Multilin 345
Intuitive transformer protection
The Multilin™ 345 is a member of the Multilin 3 Series protective relay platform and has been designed for the protection, control and management of power transformers as primary or backup protection device. The 345 provides advanced transformer protection, control and monitoring in one economical draw-out or non draw-out design. The 345 contains a full range of self-contained protection and control elements as well as advanced communications, metering, monitoring and diagnostics.
Multilin 345
Intuitive transformer protection
The Multilin™ 345 is a member of the Multilin 3 Series protective relay platform and has been designed for the protection, control and management of power transformers as primary or backup protection device. The 345 provides advanced transformer protection, control and monitoring in one economical draw-out or non draw-out design. The 345 contains a full range of self-contained protection and control elements as well as advanced communications, metering, monitoring and diagnostics.
Key Benefits
- Dual slope with unique dual breakpoint differential protection with Unrestrained differential
- Second harmonic inrush and fifth harmonic over-excitation inhibits
- Thermal Overload and restricted Ground Fault (RGF/87G)
- Comprehensive overcurrent elements
- Breaker failure and lockout functions
- Logic elements
Protection & Control
The 345 transformer protection system is designed to protect and control small to medium size power transformers. Flexible and powerful, the 345 provides advanced transformer protection, control and monitoring in one economical draw-out design. The 345 contains a full range of self-contained protection and control elements as detailed in the Functional Block Diagram and in the Features table. The 345 can be even used for dual feeder protection.
Key Features
- Comprehensive metering
- Event Recorder: 256 events (1ms time stamping)
- Programmable oscillography up to 32 samples per cycle and digital states and Fault Report
- 4X20 character LCD display
- Control panel with 12 LED indicators
- Relay health diagnostics and Breaker monitoring
- Security and password control
- SNTP or IRIG-B time synchronization
Power System Troubleshooting
Analyze power system disturbances with transient fault recorder and event records
Metering, Monitoring & Diagnostics
The 345 continuously measures and computes the following AC signals indicating the health of the protected transformer:
- Phase winding currents
- Winding ground current
- Winding neutral current
- Winding negative sequence current
- Differential and restraint currents per-phase
- Winding ground differential current
- Percent 2nd and 5th harmonics differential currents per phase
- Percent thermal capacity per-phase
- Current demand
The states of all digital inputs/outputs are provided through the actual values either from the summary pages or individually. This includes:
- States pf virtual inputs
- States of remote inputs
- States of relay outputs
- States of logic elements
Key Features
- Front USB and rear serial, Ethernet and Fiber ports
- Multiple Protocols: IEC 61850, MODBUS TCP/IP, MODBUS RTU, DNP 3.0, IEC60870-5-104, IEC60870-5-103
Advanced Communications
The 345 utilizes the most advanced communication technologies today making it the easiest and most flexible transformer protection relay to use and integrate into new and existing infrastructures. Multiple communication ports and protocols allow control and easy access to information from the 345. The 345 supports the most popular industry standard protocols enabling easy, direct integration into electrical SCADA and HMI systems. Modbus RTU is provided as standard with a RS485 networking port.
The following optional protocols are available:
- IEC 61850
- IEC 61850 GOOSE
- DNP 3.0
- Modbus RTU
- Modbus TCP/IP
- IEC 60870-5-103
- IEC 60870-5-104
These protocols make it easy to connect to a Utility or Industrial automation system, eliminating the need for external protocol converter devices.
EnerVista™ Software
The EnerVista™ suite is an industry leading set of software programs that simplifies every aspect of using the 345 relay. The EnerVista™ suite provides all the tools to monitor the status of the protected asset, maintain the relay, and integrate the information measured into DCS or SCADA monitoring systems. Convenient COMTRADE and sequence of event viewers are an integral part of the 345 setup software and are included to ensure proper protection and system operation. Learn More 
Feeder protection settings in one easy step
Access Control
Multilin devices and relays are designed with simple but powerful security to enable reliability and compliance for virtually any project or implementation. Password security is an optional feature of the 3 Series which can be setup using the SR3 EnerVista Setup software. The password system has been designed to facilitate a hierarchy for centralized management. This is accomplished through a Master level access password which can be used for resetting lower level access passwords and higher level privileged operations.
Auditing and Reporting
With the Security Audit Trail reporting feature, available in GE Vernova’s ViewPoint Monitoring software, operators are able to obtain Event logging reports of key activities such as configuration changes. These preformatted reports can be used to help ensure device and protection system integrity and perform forensic auditing of activities and changes for compliance.
Trace any setting changes with security audit trail.
Key Features
- 4 line display for easy viewing of key data
- 12/10 LED indicators for quick diagnostics
- Programmable LED indicators for specific targets
- Draw out or non draw out design options
Hardware
Inputs and Outputs
The 345 features the following inputs and outputs for monitoring and control of typical transformer applications:
- 10 contact Inputs with programmable thresholds
- 2 Form A outputs for breaker trip and close with coil monitoring and 5 Form C output relays
Drawout & Non-Drawout Construction
The 345 is offered in both a drawout or a non-drawout construction. In the drawout case design the 345 simplifies installation and improves site safety as the need to open switchgear doors or rewire the device after testing is eliminated.
The 345 protection relay chassis used with a draw out relay is available separately, for use as a partial replacement or in test environments. The draw out relay with no chassis is also available to order as a spare unit.
Drawout & Non-Drawout Construction
Removable terminals ease wiring and in-system testing or troubleshooting.
Drawout
Non-drawout
User Interface
Recommended Products & services
Multilin 345
The Multilin™ 345 is a member of the Multilin 3 Series protective relay platform...
View More
Multilin 845
Comprehensive Protection & Management for Transformers
The Multilin™ 845 Transformer Protection System is a member of the Multilin 8 Series protective relay platform and has been designed for the protection, control and management of 2- and 3-winding power and distribution transformers in both utility and industrial applications.
Multilin 845
Comprehensive Protection & Management for Transformers
The Multilin™ 845 Transformer Protection System is a member of the Multilin 8 Series protective relay platform and has been designed for the protection, control and management of 2- and 3-winding power and distribution transformers in both utility and industrial applications.
Full Color Graphical HMI Front Display
A large, full color Graphic Control Panel (GCP) ensures clear representation of critical status and measurements. The 8 Series offers two options for front panels:
- 10 Programmable Push buttons with 12 programmable LEDs
- 3 Programmable Push buttons and 12 programmable LEDs
Switchgear Control and Configurable SLD
The Multilin 8 Series provides a configurable dynamic SLD up to six (6) pages for comprehensive switchgear control of up to 3 breakers and 9 disconnect switches; including interlocks. Up to 15 digital and metering status elements can be configured per SLD page.
Platform Overview
The Multilin 8 Series platform delivers the highest level of quality, reliability and performance with…
Innovative Technology & Design
- Patented environmental monitoring and diagnostics helps visibility on change in environmental parameters
- Advanced, flexible and embedded communications: IEC® 61850 Ed2, IEC 62439/PRP, Modbus® RTU & TCP/IP, DNP3.0, IEC 60870-5-104, IEC 60870-5-103
- Single setup and configuration across the platform
- Field swappable power supply
- Draw-out design simplifies testing, commissioning and maintenance, thereby increasing process uptime
- Optional Wi-Fi connectivity minimizes system configuration and provides safe relay programming and diagnostic retrieval
- Elimination of electrolytic capacitors
Exceptional Quality & Reliability
- IPC A-610-E Class 3 Manufacturing standards – highest industry standards for electronic manufacturing
- Highest reliability standards for electronics testing
- Environmental Stress Screening and full functional testing
- Rated for IP54 applications
- Standard Harsh Conformal Coating
Uncompromising Service & Support
- Covered under GE Vernova’s 10 year warranty plan
- Fully designed, tested and assembled at GE Vernova facilities
Multilin 845 Overview
The 845 has been designed for the protection, control and management of 2- and 3-winding power and distribution transformers in both utility and industrial applications. The 845 delivers comprehensive transformer health monitoring, diagnostics, and reporting with integrated connectivity to single and multi-gas transformer DGA solutions such as, GE Vernova’s Kelman Transformer Monitoring devices, delivering actionable analytics for asset optimization and life extension.
Applications:
- Primary and back-up protection and management of small, medium and larger power and distribution transformers, autotransformers and reactors
- Designed for Utility (Transmission & Distribution) or Industrial applications
- Integrated transformer protection, monitoring diagnostics and transformer health visualization
Multilin 845 feeder protection relay functional block diagram
ANSI Device Numbers & Functions
| Device Number | Function |
|---|---|
| 24 | Volts per Hertz |
| 25 | Synchrocheck |
| 27X | Auxiliary Undervoltage |
| 27P | Phase Undervoltage |
| 32 | Directional Power |
| 49 | Hottest Spot Temperature Aging Factor Loss of Life |
| 50/87 | Instantaneous Differential Overcurrent |
| 50BF | Breaker Failure |
| 50G | Ground Instantaneous Overcurrent |
| 50N | Neutral Instantaneous Overcurrent |
| Device Number | Function |
|---|---|
| 50P | Phase Instantaneous Overcurrent |
| 50_2 | Negative Sequence Instantaneous Overcurrent |
| 51G | Ground Time Overcurrent |
| 51N | Neutral Time Overcurrent |
| 51_2 | Negative Sequence Time Overcurrent |
| 55 | Power Factor |
| 59N | Neutral Overvoltage |
| 59P | Phase Overvoltage |
| 59X | Auxiliary Overvoltage |
| 59_2 | Negative Sequence Overvoltage |
| Device Number | Function |
|---|---|
| 67G | Ground Directional Element |
| 67N | Neutral Directional Element |
| 67P | Phase Directional Element |
| 81O | Overfrequency |
| 81U | Underfrequency |
| 81R | Frequency Rate of Change |
| 87G | Restricted Ground Fault (RGF) |
| 87T | Transformer differential |
| AFP | Arc Flash Protection |
| VTFF | Voltage Transformer Fuse Failure |
The settings for the dual-slope, dual-breakpoint characteristic provides higher flexibility for shaping up the characteristic and achieving better sensitivity and security.
Percent Differential Protection
The 845 provides enhanced security by including both restrained and unrestrained (instantaneous) differential protection. The percent differential element is based on a configurable dual-breakpoint/dual-slope differential restraint characteristic with inrush and overexcitation inhibits based on 2nd & 5th harmonics. The restraint current is calculated as a maximum of the internally compensated currents for better through-fault stability under CT saturation conditions.
The percent characteristic allows the element to account for both DC and AC saturation of the current transformers.
The “cubic spline” curve characteristics enables the relay to perform accurately for restraint current in range between the two slope breakpoints
Integrated Arc Flash Protection
The Multilin 8 Series supports an integrated arc flash module providing constant monitoring of an arc flash condition within the switchgear, motor control control centers, or panelboards. With a 2ms protection pass, the 8 Series is able to detect light and overcurrent using 4 arc sensors connected to the 8 Series relay. In situations where an arc flash/fault does occur, the relay is able to quickly identify the fault and issue a trip command to the associated breaker thereby reducing the total incident energy and minimizing resulting equipment damage.
Self-monitoring and diagnostics of the sensors ensures the health of the sensors as well as the full length fiber cables. LEDs on the front panel display of the 845 can be configured to indicate the health of the sensors and its connections to the relay.
Fast, reliable arc flash protection with light-based arc flash sensors integrated within the Multilin 8 Series of protection & control devices. With arc flash detection in as fast as 2msec, the costs associated with equipment damage and unplanned downtime
Monitoring & Diagnostics
The Multilin 845 includes high accuracy metering and recording for all AC signals. Voltage, current, and power metering are built into the relay as a standard feature. Current and voltage parameters are available as total RMS magnitude, and as fundamental frequency magnitude and angle.
Data Logging & Learned Data
The 845 captures key electrical and DGA data values during transformer energization to trend and analyze transformer performance. Data is summarized and presented to operators through a pre-formatted Health Report to clear indication of changes to measured parameters. Up to 365 records are supported within the 845 relay. Up to 365 latest records are supported in the 845 relay. The data, when input cumulatively to the transformer model screens helps in visualizing trends and correlating key transformer electrical and DGA parameters.
Trip and Close Circuit Monitoring
The 845 relay provides Trip and Close Circuit Monitoring elements
Breaker Arcing Current
This element calculates an estimate of the per-phase wear on the breaker contacts by measuring and integrating the current squared passing through the breaker contacts as an arc. When the threshold is exceeded in any phase, the relay can set an output operand and set an alarm.
Breaker Health
The 845 relay provides breaker health information by monitoring and analyzing the operation count, arcing energy of breaking current, arcing time, tripping time, closing time and spring charging time if applicable.
Integrated Electrical and DGA for Comprehensive Transformer Monitoring & Diagnostics
The Multilin 845 offers advanced transformer health monitoring and diagnostics through advanced notification of potential issues before they become critical. The Multilin 845 features detailed learned data, summarized pre/post-fault records, and integration with GE Vernova’s DGA devices to collect, trend, and analyze a transformer’s fault gases. This enables operators to minimize costly unplanned outages and equipment failures.
Environmental Monitoring
The 845 implements a patented environmental monitoring system that measures and provides operating condition information. Reliable and secure operation of the 845 relay and other electronic devices in the vicinity may be affected by environmental factors. The 845 relay has been designed to meet or exceed all required industry standards. Some operating conditions may be beyond those standards and reduce total lifespan of the device.
Communications
The 845 provides advanced communications technologies for remote data and engineering access, making it easy and flexible to use and integrate into new and existing infrastructures. Direct support for copper/fiber optic Ethernet provides high-bandwidth communications, allowing for low-latency controls and high-speed file transfers of relay fault and event record information. The 845 also supports two independent IP addresses, providing high flexibility for the most challenging of communication networks. Two independent network ports enables the 845 to connect with the primary protection network and the secondary monitoring network to deliver integrated asset monitoring and diagnostics by combining protection and DGA data.
Providing several Ethernet and serial port options and supporting a wide range of industry standard protocols, the 845 enables easy, direct integration into DCS and SCADA systems. The 845 supports the following protocols:
- IEC 61850 Ed2, IEC 62439 / PRP
- DNP 3.0, IEC 60870-5-103, IEC 60870-5-104
- Modbus RTU, Modbus TCP/IP
The 845 has two interfaces as USB front port and Wi-Fi for ease of access to the relay. Wi-Fi Connectivity:
- Simplify set-up and configuration
- Simplify diagnostic retrieval
- Eliminate personnel in front of switchgear
- WPA-2 security
Cybersecurity
The 869 cyber security enables the device to deliver full cyber security features that help operators to comply with NERC CIP guidelines and regulations.
AAA Server Support (Radius/LDAP)
Enables integration with centrally managed authentication and accounting of all user activities and uses modern industry best practices and standards that meet and exceed NERC CIP requirements for authentication and password management.
Role Based Access Control (RBAC)
Efficiently administrate users and roles within UR devices. The new and advanced access functions allow users to configure up to five roles for up to eight configurable users with independent passwords. The standard “Remote Authentication Dial In User Service” (Radius) is used for authentication.
Event Recorder (Syslog for SEM)
Capture all cyber security related events within a SOE element (login, logout, invalid password attempts, remote/local access, user in session, settings change, FW update, etc), and then serve and classify data by security level using standard Syslog data format. This will enable integration with established SEM (Security Event Management) systems.
Software & Configuration
The EnerVista™ suite is an industry-leading set of software programs that simplifies every aspect of using the Multilin 845.
EnerVista provides all the tools to monitor the status of the protected asset, maintain the device and integrate the information measured by the Multilin 8 Series, into SCADA or DCS process control systems. The ability to easily view sequence of events is an integral part of the setup software, as postmortem event analysis is critical to proper system management.
EnerVista Launchpad
The setup tools within Launchpad allow for the configuration of devices in real-time, by communicating via serial, Ethernet or modem connections, or offline by creating device setting files to be sent to devices at a later time.
8 Series Setup Software
8 Series Setup Software is single setup and configuration tool across the platform and can reduce device setup and configuration time.
Simplified Setup & On-Going Maintenance
8 Series Retrofit
Retrofit Existing SR 745 Devices to the Multilin 845 in Minutes
Explore the 8 Series Retrofit
Traditionally, retrofitting an existing relay has been a challenging, time consuming task often requiring re-engineering, new drawings, panel modifications, re-wiring and re-testing.
The 8 Series Retrofit provides a quick, 3-step solution to upgrade previously installed SR 745 relays. With the new 8 Series Retrofit users are able to install the 845 Transformer System without modifying existing cutouts and wiring, and without any drawing changes or re-engineering time.
Easy 3-Step Process to Upgrade in as Fast as 21 Minutes
EnerVista 8 Series Setup Software provides automated setting file conversion. Once completed, a graphical report is provided to verify and call out any specific settings that may need attention.
Simply remove the upper, lower and low voltage terminal blocks and then remove the SR chassis from the panel. No need to disconnect any of the field wiring.
Insert the new 8 Series Retrofit chassis into the switchgear and simply plug-in the old terminal blocks - there is no need to make any cut-out modifications or push and pull cables.
Recommended Products & services
Multilin 845
The Multilin™ 845 Transformer Protection System is a member of the Multilin 8...
View More
P64 MiCOM 5th Generation
Transformer Protection Relays - P642, P643, P645
The P64, part of the MiCOM P40 Agile 5th Generation family is a transformer protection relay that helps preserve transformer service life and provides fast protection for transformer faults with a graphical HMI as standard. The platform consists of three model variants (P642, P643 and P645) that cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs, and offers high and low impedance restricted earth fault, and has integral asset management capability.
P64 MiCOM 5th Generation
Transformer Protection Relays - P642, P643, P645
The P64, part of the MiCOM P40 Agile 5th Generation family is a transformer protection relay that helps preserve transformer service life and provides fast protection for transformer faults with a graphical HMI as standard. The platform consists of three model variants (P642, P643 and P645) that cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs, and offers high and low impedance restricted earth fault, and has integral asset management capability.
What's New
Overview
Transformers are high capital assets in electrical power systems. Elimination of all electrical and mechanical stresses, although desirable to preserve transformer life, is impractical. Adaptive techniques to measure, alarm (or trip) and advise on cumulative service can help to schedule preventive maintenance before a costly failure occurs. Internal faults are a risk for all transformers, with short-circuits dissipating the highest localized energy. Unless cleared quickly, the possibility to rewind windings reduces and core damage may become irreparable.
GE Vernova's P642, P643 and P645 address all these issues, preserving service life and offering fast protection for transformer faults. A transient bias technique has been included, enhancing relay stability and CT requirements. Hosted on an advanced IED platform, the P64x incorporates differential, REF, thermal, and overfluxing protection, plus backup protection for uncleared external faults. Model variants cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs.
Key benefits:
- Backup and logging of through faults
- Simple settings – wizard requires only nameplate data
- Integrated backup overcurrent per winding or CT input - optional directionalizing when relay fitted with a 3-phase VT
- Ordering the 3-phase VT permits full monitoring and measurement of power and energy quantities
Main characteristics:
- Current loop analogue inputs [CLIO] and analogue outputs [RTD] for remote monitoring
- Optional single or dual redundant Ethernet available for IEC 61850
- Transient biasing reduces CT knee point dimensioning by typically 25% compared to historical applications
ANSI ® Device Numbers and Functions
| Device Number | Function |
|---|---|
| 24 | Overfluxing |
| 27 | Undervoltage |
| 46 | Negative Sequence Overcurrent |
| 47 | Negative Sequence Overvoltage |
| 49 | Thermal Overload |
| 50 | Phase Definite Time Overcurrent |
| 51 | Phase Inverse-Time Overcurrent |
| 52 | Circuit Breaker Control |
| 59 | Overvoltage |
| 67 | Directional Phase Overcurrent |
| Device Number | Function |
|---|---|
| 68 | Inrush Detection |
| 89 | Latching/Lockout Contacts |
| 50BF | CB Failure |
| 50N | Earth Fault Definite Time Overcurrent |
| 51N | Neutral/Ground IDMT Overcurrent |
| 51R | Voltage Restrained Overcurrent |
| 51V | Voltage Controlled Overurrent |
| 59N | Neutral Voltage Displacement |
| 64N | Restricted Earth Fault |
| 67N | Directional Neutral/Ground Overcurrent |
| Device Number | Function |
|---|---|
| 81O | Overfrequency |
| 81U | Underfrequency |
| 87T | Transformer Differential |
| CLIO | Current Loop Transducer I/O |
| CTS | CT Supervision |
| LoL | Loss of Life |
| PSL | Programmable Logic |
| RTD | Temperature Measurement |
| TCS | Trip Circuit Supervision |
| Thru | Through Fault Monitoring |
| VTS | VT Supervision |
Agile P64x Models
| P64 5th Generation transformer management IED | Buy Now |
MiCOM S1 Agile
Key benefits:
- Powerful, free of charge, PC toolsuite
- Optimum management of the installed base, structured as per the substation topology
- Intuitive and versatile interface with file management facilities
- Logical structure based on substation, voltage level and bay
- Version control and cross-checking facilities for IED settings
- Real-time measurement visualization – MiCOM S1 Agile extends to all MiCOM Agile IEDs - including P847 PMU and busbar schemes
Engineering Tool Suite
S1 Agile is the truly universal PC tool for MiCOM Agile relay, assemble all tools in a palette for simple entry, with intuitive navigation via fewer mouse-clicks. No-longer are separate tools required for redundant Ethernet configuration, phasor measurement unit commissioning, busbar scheme operational dashboards, programmable curve profiles or automatic disturbance record extraction – applications are embedded. MiCOM S1 Agile supports all existing MiCOM, K-Series and Modulex, including a utility for automatic conversion of setting files from previous generations of numerical relays like K-series and MiCOM P20 to the latest P40 Agile models.
To move to the future, with no loss of functionality, no loss of device support, and full compatibility with your installed base and system architecture – request a copy of S1 Agile with the contact form link below.
Key features in the MiCOM S1 family:
- GE Vernova's integrated engineering tool that provides users with access to automation IED configuration and record data
- Integrated configuration and monitoring features
- Send and extract setting files
- Event and disturbance record extraction and analysis
MiCOM S1 Agile software request
To receive the MiCOM S1 Agile, please use our Contact form. This will also ensure that you are kept up-to-date with the latest enhancements, including updates and bug fixes.
Refurbishment Solutions
GE Vernova’s latest P64 MiCOM 5th Generation models offer a perfect functional match for our MBCH and KBCH family of transformer differential relays, from the heritage installed-base brands GEC Measurements, GEC Alsthom, GE VERNOVA and Areva:
Advantages:
- Same 4U rack mounting format
- KBCH, P642/P643/P645 share the same S1 Agile PC toolsuite
- Contact us for advice and support
Recommended Products & services
MiCOM P642/3/5 Agile
Part of the MiCOM P40 platform, the Agile P64x transformer protection relays helps...
View More
Multilin T60
The T60 is designed for various power applications, including autotransformers,...
View More
P64 MiCOM 5th Generation
Transformer Protection Relays - P642, P643, P645 The P64, part of the MiCOM P40 Agile...
View More
SPO
Knee Type Disconnector up to 1,200 kV
GE Vernova’s SPO is a vertical break disconnector with a two-piece arm. In the open position the blade sections fold upon themselves in a vertical plane of only 60% of the longitudinal dimension.
SPO
Knee Type Disconnector up to 1,200 kV
GE Vernova’s SPO is a vertical break disconnector with a two-piece arm. In the open position the blade sections fold upon themselves in a vertical plane of only 60% of the longitudinal dimension.
- Substation crossing structures and wires can be lower and less expensive than conventional vertical break disconnectors
- Low center of gravity for live part provides high performance during earthquakes and faster, smoother and rebound-free operation
- Virtually maintenance free with factory-sealed bearings, life-time greased or self-lubricating parts and corrosion-free materials
Specifications
Technical Data (ANSI)
| Rated Voltage | Rated Current A/ Short time current kA | BIL kV | A inches | B inches | C inches | D inches | E inches | F inches | G inches | H inches |
|---|---|---|---|---|---|---|---|---|---|---|
| 245 kV | 4000/63 | 1050 | 8' 4 1/4" | 9' 10" | 5' 7" | 1' 4 3/4" | 1' 7 3/4" | 1' 1 1/2" | 1' 1 1/2" | 6 3/4" |
| 362 kV | 4,000/63 | 1300 | 9' 9 1/2" | 12' 1 3/4" | 7' 8 1/2" | 1' 11 1/2" | 2' 7 1/2" | 1' 3 3/4" | 2' 7 1/2" | 7 3/4" |
| 550 kV | 4,000/63 | 1800 | 13' 74 1/2" | 17' 6 3/4" | 9' 4 1/2" | 1' 11 1/2" | 3' 3 3/4" | 1' 3 3/4" | 2' 7 1/2" | 7 3/4" |
| 800 kV | 4,000/63 | 2050 | 17' 1 1/4" | 19' 8 1/4" | 12' 7 1/2" | 1' 11 1/2" | 3' 3 3/4" | 1' 3 3/4" | 2' 7 1/2" | 7 3/4" |
Drawings
SX
Pantograph Disconnector up to 550 kV
The SX is a space saving double scissor aluminium disconnector connecting the lower busbar to the upper one via the pantograph arms. Horizontal rather than vertical separation means a space reduction of as much as 30%.
Customer Benefits
- Clear conducting routing for safety
- Rigid or flex busbars for flexibility
- Double scissor design for high rigidity
- Built-in ground switches available
- Virtually maintenance free
- Easy start-up and commissioning
SX
Pantograph Disconnector up to 550 kV
The SX is a space saving double scissor aluminium disconnector connecting the lower busbar to the upper one via the pantograph arms. Horizontal rather than vertical separation means a space reduction of as much as 30%.
Customer Benefits
- Clear conducting routing for safety
- Rigid or flex busbars for flexibility
- Double scissor design for high rigidity
- Built-in ground switches available
- Virtually maintenance free
- Easy start-up and commissioning
- Rugged performance in adverse conditions including high winds, heavy ice or seismic conditions, stable in closed position during short circuits
- Blades are tubular aluminium with replaceable silver-plated copper contacts
- Galvanized structural steel channel base supports the insulators and live parts, providing high strength and rigid design
- All bearings and counter-balancing springs are isolated from the main path
- Reduction of encumbrance for rated voltage above 300 kV due to special design of bearing frame which allowed the removal of anti-corona rings
- Clear busbar arrangement and routing results in increased safety during operation and maintenance
- Flexible installation and arrangement configurations
- Available Life Cycle Assessment on request
- Available the supply of recycled material to reduce environmental impact on request
Specifications
Technical Data (IEC)
| Rated Voltage | Rated Current A/ Short time current kA Up to | BIL kV | A mm | B mm | C mm | D mm | Ø mm |
|---|---|---|---|---|---|---|---|
| 72.5 kV | 4000/63 | 325 | 980 | 2000 | 1400 | 340 | 22 |
| 100 kV | 4000/63 | 450 | 1230 | 2200 | 1500 | 340 | 22 |
| 123 kV | 3150/50 | 550 | 1480 | 2500 | 1600 | 340 | 22 |
| 145 kV | 4000/63 | 650 | 1710 | 3000 | 2000 | 340 | 22 |
| 170 kV | 4000/63 | 750 | 1910 | 3000 | 2000 | 340 | 22 |
| 245 kV | 4000/80 | 1050 | 2510 | 3650 | 2650 | 340 | 26 |
| 300 kV | 4000/80 | 1050 | 2810 | 3650 | 2650 | 340 | 26 |
| 362 kV | 4000/80 | 1175 | 3100 | 4400 | 3100 | 400 | 26 |
| 420 kV | 4000/80 | 1425 | 3550 | 5450 | 4100 | 400 | 26 |
| 550 kV | 4000/80 | 1550 | 4200 | 5800 | 4300 | 400 | 26 |
Drawings
SPV
Semi-Pantograph Disconnector up to 1,000 kV
The SPV is a space saving vertical reach disconnector connecting the lower busbar to the upper one via the semi-pantograph arm. Horizontal rather than vertical separation means a space reduction of as much as 30%.
Customer Benefits
- Reduced substation space requirements (up to 30%)
- Clear conducting routing for safety
- Rigid or flex busbars for flexibility
- Built-in or retro-fitted earthing switches
- Virtually maintenance free
- Easy start-up and commissioning
SPV
Semi-Pantograph Disconnector up to 1,000 kV
The SPV is a space saving vertical reach disconnector connecting the lower busbar to the upper one via the semi-pantograph arm. Horizontal rather than vertical separation means a space reduction of as much as 30%.
Customer Benefits
- Reduced substation space requirements (up to 30%)
- Clear conducting routing for safety
- Rigid or flex busbars for flexibility
- Built-in or retro-fitted earthing switches
- Virtually maintenance free
- Easy start-up and commissioning
- Blades are extra heavy, one piece, tubular aluminium with replaceable silver plated copper contacts at each end
- Galvanized structural steel channel base supports the insulators and live parts, providing high strength and rigid design
- All bearings and counter-balancing springs are isolated from the main path
- Clear busbar arrangement and routing results in increased safety during operation and maintenance
- In open position, blade sections fold upon themselves, offering maximum dimension slightly greater than half the open gap dimension.
- More compact than a standard pantograph switch and streamlined contours reduce RIV and corona effects
- Flexible installation and arrangement configurations
- Virtually maintenance free with factory-sealed bearings, life-time greased or self-lubricating parts and corrosion-free materials
Specifications
Technical Data (IEC)
| Rated Voltage | Rated Current A/ Short time current kA Up to | BIL kV | A mm | B mm | C mm | D mm | E mm | F mm | G mm | i mm | Ø mm |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 72.5 kV | 4000/63 | 325 | 980 | 1700 | 600 | 425 | 500 | 340 | 765 | 170 | 22 |
| 340 kV | 4000/63 | 450 | 1230 | 1900 | 700 | 425 | 500 | 340 | 765 | 170 | 22 |
| 123 kV | 4000/63 | 550 | 1480 | 2200 | 980 | 425 | 500 | 340 | 765 | 170 | 22 |
| 142 kV | 4000/63 | 650 | 1710 | 3000 | 1300 | 425 | 500 | 340 | 765 | 170 | 22 |
| 170 kV | 4000/63 | 750 | 1910 | 3000 | 1300 | 425 | 500 | 340 | 765 | 170 | 22 |
| 245R kV | 4000/63 | 950 | 2310 | 3800 | 1700 | 425 | 500 | 340 | 765 | 170 | 22 |
| 245 kV | 4000/63 | 1050 | 2510 | 3800 | 1700 | 425 | 500 | 340 | 765 | 170 | 22 |
| 300 kV | 4000/63 | 1050 | 2860 | 4200 | 1900 | 425 | 500 | 340 | 765 | 170 | 26 |
| 362 kV | 4000/63 | 1175 | 3190 | 4800 | 2200 | 600 | 800 | 400 | 1000 | 200 | 26 |
| 420 kV | 4000/63 | 1425 | 3640 | 5300 | 2600 | 600 | 800 | 400 | 1000 | 200 | 26 |
| 550 kV | 4000/63 | 1550 | 4290 | 6700 | 3500 | 600 | 1000 | 400 | 1000 | 200 | 26 |
| 800 kV | 4000/63 | 2100 | 5490 | 8000 | 4000 | 600 | 1100 | 500 | 1000 | 200 | 34 |
Drawings
S3C
Double Side Break Disconnector up to 300 kV
The S3C is a low profile, reduced phase-to-phase distance double side disconnector that provides additional space savings. The optimum mechanical and electrical characteristics of the current carrying parts are ensured through the use of high strength aluminium alloys combined with silver-plated copper contacts. The S3C can be customized for vertical, underhung and phase-over-phase installations.
S3C
Double Side Break Disconnector up to 300 kV
The S3C is a low profile, reduced phase-to-phase distance double side disconnector that provides additional space savings. The optimum mechanical and electrical characteristics of the current carrying parts are ensured through the use of high strength aluminium alloys combined with silver-plated copper contacts. The S3C can be customized for vertical, underhung and phase-over-phase installations.
- The optimum mechanical and electrical characteristics of the current carrying parts are ensured through the use of high strength aluminium alloys combined with silver-plated copper contacts
- Rectangular aluminum blade is attached to the top of the center rotating insulator and moves smoothly in the jaw
- Galvanized structural steel channel base supports the insulators and live parts, providing high strength and rigid design
- Center insulator stack rotates on weather sealed, greaseless rotor bearings
- Customizable for vertical, underhung and phase-over-phase installations
- Virtually maintenance free with factory-sealed bearings, life-time greased or self-lubricating parts and corrosion-free materials
Specifications
Technical Data (IEC)
| Rated Voltage | Rated Current A/ Short time current kA** | BIL kV | A mm | B mm | C mm | D mm | E mm |
|---|---|---|---|---|---|---|---|
| 72.5 kV | 3150/50 | 325 | 1100 | 1004 | 1200 | 130 | |
| 100 kV | 3150/50 | 450 | 1500 | 1276 | 1200 | 100 | |
| 123 kV | 3150/50 | 550 | 1500 | 1476 | 1200 | 150 | |
| 145 kV | 4000/63 | 650 | 1800 | 1757 | 200 | 150 | |
| 170 kV | 4000/63 | 750 | 2000 | 1979 | 2200 | 170 | |
| 245R kV | 4000/63 | 950 | 2400 | 2413 | 2600 | 220 | 270 |
| 245 kV | 4000/63 | 1050 | 2800 | 2613 | 3000 | 220 | 270 |
| 300 kV | 3150/50 | 1050 | 3200 | 2963 | 3400 | 220 | 270 |
Drawings
S3CD
Double Side Break Disconnector up to 550 kV
The S3CD is a double side break disconnector on which the center insulator rotates to open and close the switch. It is particularly suited for applications in which low vertical clearance prohibits the use of other disconnectors. The S3CD is a rugged performer in adverse operating conditions and is always stable in the close position during short circuits.
S3CD
Double Side Break Disconnector up to 550 kV
The S3CD is a double side break disconnector on which the center insulator rotates to open and close the switch. It is particularly suited for applications in which low vertical clearance prohibits the use of other disconnectors. The S3CD is a rugged performer in adverse operating conditions and is always stable in the close position during short circuits.
- Rugged performer in adverse conditions such as high winds and heavy ice, and is stable in the close position during short circuits
- Particularly suited for applications in which low vertical clearance prohibits the use of other disconnectors
- Blades are extra heavy, one piece, tubular aluminium with replaceable silver plated copper contacts at each end
- Galvanized structural steel channel base supports the insulators and live parts, providing high strength and rigid design
- Center insulator stack rotates on weather sealed, greaseless rotor bearings
Specifications
Technical Data (IEC)
| Rated Voltage | Rated Current A/ Short time current kA** | BIL kV | A mm | B mm | C mm | D mm | E mm |
|---|---|---|---|---|---|---|---|
| 145 kV | 3150/63 A | 650 | 1800 | 1816 | 2000 | 150 | |
| 170 kV | 3150/63 A | 750 | 2000 | 2038 | 2200 | 170 | |
| 245R kV | 3150/63 A | 950 | 2400 | 2472 | 2600 | 220 | 270 |
| 245 kV | 3150/63 A | 1050 | 2800 | 2672 | 3000 | 220 | 270 |
| 300 kV | 3150/63 A | 1050 | 3200 | 3022 | 3400 | 220 | 270 |
| 362 kV | 3150/63 A | 1175 | 3800 | 3338 | 4050 | 270 | 340 |
| 420 kV | 3150/63 A | 1425 | 4200 | 3788 | 4450 | 270 | 340 |
| 550 kV | 3150/63 A | 1550 | 5000 | 4463 | 5250 | 270 | 340 |
Drawings
S2DA
S2DA Center break disconnector up to 550 kV
The S2DA is reliable in high winds and heavy ice and always stable in the closed position during short circuits. A galvanised structural steel channel base supports the insulators and live parts, assuring a high strength, rigid design. The two insulator stacks rotate on weather-sealed, greaseless, maintenance-free rotor bearings and the blades are made of extra-heavy extruded aluminium with replaceable silver-plated copper contacts in the opening point.
S2DA
S2DA Center break disconnector up to 550 kV
The S2DA is reliable in high winds and heavy ice and always stable in the closed position during short circuits. A galvanised structural steel channel base supports the insulators and live parts, assuring a high strength, rigid design. The two insulator stacks rotate on weather-sealed, greaseless, maintenance-free rotor bearings and the blades are made of extra-heavy extruded aluminium with replaceable silver-plated copper contacts in the opening point.
- Rated voltage from 72,5 to 550kV
- Reliable in adverse operating conditions such as high winds and heavy ice
- Always stable in the close position during short circuits
- Flex technology for inspection free, long term operation (no need for sliding or rotary contacts)
- Supplied or easily retro-fitted with 1 or 2 earthing switches
- Customised solutions available: parallel, in-line, diagonal, vertical, underhung, phase-to-phase
Specifications
Technical Data (IEC)
| Rated Voltage | Rated Current A/ Short time current kA | BIL kV | A mm | B mm | C mm | ExF mm |
|---|---|---|---|---|---|---|
| 72.5 kV | 3,150/63 | 325 | 1,000 | 960 | 770 | 150 |
| 100 kV | 4,000/63 | 420 | 1,400 | 1,240 | 1,020 | 210 |
| 123 kV | 4,000/63 | 550 | 1,400 | 1,440 | 1,220 | 210 |
| 145 kV | 4,000/63 | 650 | 1,600 | 1,720 | 1,500 | 210 |
| 170 kV | 4,000/63 | 750 | 1,900 | 1,920 | 1,700 | 210 |
| 245R kV | 4,000/63 | 950 | 2,500 | 2,375 | 2,100 | 300x150 |
| 245 kV | 4,000/63 | 1,050 | 2,500 | 2,575 | 2,300 | 300x150 |
| 300 kV | 4,000/63 | 1,050, | 3,000 | 2,925 | 2,650 | 300x150 |
| 362 kV | 4,000/63 | 1,175 | 3,500 | 3,300 | ,2,900 | 270x270 |
| 420 kV | 4,000/63 | 1,425 | 4,200 | 3,750 | 3,350 | 270x270 |
| 550 kV | 4,000/63 | 1,550 | 4,700 | 4,400 | 4,000 | 270x270 |
Drawings
CGVB-08
Vertical Break Disconnector up to 345 kV
The CGVB-08 vertical break disconnector is available in a wide range of ratings and is a robust and reliable performer. The double jaw contact system provides low maintenance, long life and excellent electrical and mechanical performance in the most adverse operating conditions. The CGVB-08 can be customized for different layouts to meet specific project needs.
CGVB-08
Vertical Break Disconnector up to 345 kV
The CGVB-08 vertical break disconnector is available in a wide range of ratings and is a robust and reliable performer. The double jaw contact system provides low maintenance, long life and excellent electrical and mechanical performance in the most adverse operating conditions. The CGVB-08 can be customized for different layouts to meet specific project needs.
- Up to 4000 A
- Up to 80 kA/3 s
- Temperatures from -50°C to +50°C
- Ice up to 20 MM (3/4”)
- Virtually maintenance free with factory-sealed bearings, life-time greased or self-lubricating parts and corrosion-free materials
Optionnal Devices
The CGVB-08 can be fitted with integrated grounding switches, mounted either parallel or perpendicular to the disconnect switch blade travel. In addition, it can be fitted to a wide range of accessories including high speed whips, silver inlaid contact, interlocking mechanisms and auxiliary contacts.
Specifications
25 to 245 kV 1200-2000 AMP
| Rated Voltage | Max. rated current | Short circuit current | BIL | A inch(mm) | B inch(mm) | C inch(mm) | D inch(mm) | E inch(mm) |
|---|---|---|---|---|---|---|---|---|
| 25.8 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 150 | 59 (1499) | 26 (656) | 63 (1603) | 14 (356) | 10 (254) |
| 38 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 200 | 69 (1753) | 30 (757) | 77 (1958) | 18 (457) | 10 (254) |
| 72.5 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 350 | 85 (2165) | 42 (1062) | 103 (2619) | 30 (762) | 10 (254) |
| 121 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 550 | 102 (2597) | 57 (1441) | 135 (3430) | 45 (1143) | 10 (254) |
| 145 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 660 | 113 (2876) | 66 (1670) | 155 (3938) | 54 (1372) | 10 (254) |
| 169 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 750 | 122 (3105) | 74 (1873) | 172 (4370) | 62 (1575) | 10 (254) |
| 242 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 900 | 147 (3734) | 93 (2364) | 218 (5527) | 80 (2032) | 11 (286) |
| 242 kV | 1200-2000 A | 38 kA 3 sec - 63 kA 3 sec | 1000 | 163 (4140) | 105 (2668) | 246 (6238) | 92 (2337) | 11 (286) |
25 to 245 kV 3000-4000 AMP
| Rated Voltage | Max. rated current | Short circuit current | BIL | F inch(mm) | G inch(mm) | H inch(mm) | J inch(mm) | K inch(mm) |
|---|---|---|---|---|---|---|---|---|
| 25.8 kV | 4000 A | 80 kA 3 sec | 150 | 75 (1911) | 24 (621) | 87 (2211) | 15 (381) | 10 (254) |
| 38 kV | 4000 A | 80 kA 3 sec | 200 | 84 (2125) | 29 (730) | 101 (2556) | 18 (457) | 10 (254) |
| 72.5 kV | 4000 A | 80 kA 3 sec | 350 | 95 (2410) | 39 (1002) | 122 (3099) | 30 (762) | 10 (254) |
| 121 kV | 4000 A | 80 kA 3 sec | 550 | 113 (2877) | 54 (1383) | 160 (3937) | 45 (1143) | 10 (254) |
| 145 kV | 4000 A | 80 kA 3 sec | 650 | 124 (3156) | 63 (1611) | 175 (4445) | 54 (1372) | 10 (254) |
| 169 kV | 4000 A | 80 kA 3 sec | 750 | 131 (3334) | 71 (1814) | 190 (4826) | 62 (1575) | 10 (254) |
| 242 kV | 4000 A | 80 kA 3 sec | 900 | 135 (4172) | 89 (2272) | 243 (6153) | 80 (2032) | 10 (254) |
| 242 kV | 4000 A | 80 kA 3 sec | 1050 | 184 (4680) | 101 (2576) | 274 (6966) | 92 (2337) | 10 (254) |
| 362 kV | 1200-4000 A | 80 kA 3 sec | 1300 | 199 (5042) | 115 (2910) | 303 (7706) | 106 (2692) | 9 (230) |
Drawings
Recommended Products & services
S3CVS Vertical Break Disconnectors up to 72 kV
The S3CVS is a heavy duty vertical break disconnector suitable for high current...
View More
S3CVL Vertical Break Disconnectors up to 550 kV
The S3CVL, rated from 245 to 550 kV, is a modern, 3 insulator vertical break...
View More
S3CV Vertical Break Disconnectors up to 245 kV
GE Vernova’s S3CV vertical break disconnector is rated from 52 to 245 kV. Rigid...
View More