CCV
CVT and CC Coupling Capacitors up to 800 kV
In high and extra high voltage transmission systems, capacitor voltage transformers (CVTs) are used to provide potential outputs to metering instruments and protective relays. In addition, when equipped with carrier accessories, CVTs can be used for power line carrier (PLC) coupling.
CCV
CVT and CC Coupling Capacitors up to 800 kV
In high and extra high voltage transmission systems, capacitor voltage transformers (CVTs) are used to provide potential outputs to metering instruments and protective relays. In addition, when equipped with carrier accessories, CVTs can be used for power line carrier (PLC) coupling.
OTCF
Coupling Capacitor Voltage Transformers up to 800 kV
In high and extra high voltage transmission systems, capacitor voltage transformers (CVTs) are used to provide potential outputs to metering instruments and protective relays. In addition, when equipped with carrier accessories, CVTs can be used for power line carrier (PLC) coupling.
OTCF
Coupling Capacitor Voltage Transformers up to 800 kV
In high and extra high voltage transmission systems, capacitor voltage transformers (CVTs) are used to provide potential outputs to metering instruments and protective relays. In addition, when equipped with carrier accessories, CVTs can be used for power line carrier (PLC) coupling.
KOTEF
Oil-Insulated Combined CT/VT up to 420 kV
KOTEF utilizes the same components as the individual CTs and VTs. Both transformers are combined in a single metering unit and are available in porcelain or composite. The KOTEF combines the advantages and design features of the OSKF and OTEF lines.
KOTEF
Oil-Insulated Combined CT/VT up to 420 kV
KOTEF utilizes the same components as the individual CTs and VTs. Both transformers are combined in a single metering unit and are available in porcelain or composite. The KOTEF combines the advantages and design features of the OSKF and OTEF lines.
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OTEF
Oil-Insulated Voltage Transformers (VT) up to 420 kV
GE Vernova manufactures a complete range of high voltage oil-filled voltage transformers (VTs). The OTEF is a tank-type potential transformer with post insulator. Thousands voltage transformers are in service worldwide, in all types of climates and under the most severe conditions.
OTEF
Oil-Insulated Voltage Transformers (VT) up to 420 kV
GE Vernova manufactures a complete range of high voltage oil-filled voltage transformers (VTs). The OTEF is a tank-type potential transformer with post insulator. Thousands voltage transformers are in service worldwide, in all types of climates and under the most severe conditions.
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OSKF
Oil-Insulated Current Transformers (CT) up to 800 kV
GE Vernova’s OSKF have been designed for a 30 year lifetime and, thanks to the profound technical concepts, many well out-live this service life. The oil is hermetically sealed from the air by a stainless-steel diaphragm assembly and all external parts are of corrosion-resistant material.
OSKF
Oil-Insulated Current Transformers (CT) up to 800 kV
GE Vernova’s OSKF have been designed for a 30 year lifetime and, thanks to the profound technical concepts, many well out-live this service life. The oil is hermetically sealed from the air by a stainless-steel diaphragm assembly and all external parts are of corrosion-resistant material.
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Mobile Substations
A complete range of flexible solutions
Substations play a crucial role in the transmission and distribution of electrical power throughout the grid. So what happens if a substation goes off-line? GE Vernova's mobile substations can bridge the gap during off-line events, helping to keep the grid operational and safe.
Mobile Substations
A complete range of flexible solutions
Substations play a crucial role in the transmission and distribution of electrical power throughout the grid. So what happens if a substation goes off-line? GE Vernova's mobile substations can bridge the gap during off-line events, helping to keep the grid operational and safe.
Key Benefits
GE Vernova's mobile substations are a turnkey solution, adapted to the specific requirements of each customer. Each project is unique and our project management team works closely with our customers to make sure that the huge range of possibilities are focused to the ideal customized solution.
Key benefits of GE Vernova's mobile substations
- No civil works cost
- Reduced maintenance costs
- Maximum utilization and return on investment
- Maximum mobility and flexibility
- Can be rapidly on site and available for service
- Maximum reliability through customized design
- Optimization of space equipment
- Reduced or minimal dismantling cost
Configurations
There are several possible configurations for mobile substations, depending on client requirements and local traffic regulations.
| Type of substation | Max. voltage level | Other characteristics |
|---|---|---|
| GIS | 220 kV | Complete bay |
| Hybrid - AIS | 145 kV | Complete bay, incl. power transformer up to 10 MVA |
| MV cubicles | 52 kV | Several bays, up to 15 cubicles |
| Power transformers | 145 kV | Up to 10 MVA |
| Other ratings available under request and study. | ||
| Type of substation | Max. voltage level | Other characteristics | |
|---|---|---|---|
| GIS | 420 kV | Complete bay | |
| Hybrid - AIS | 170 kV | Complete bay, incl. power transformer up to 60 MVA | |
| MV cubicles | 36 kV | Several bays, up to 19 cubicles | |
| Power transformers | 400 kV | Up to 105 MVA single phase transformer | |
Service & Support
To ensure we provide a solution that is always ready to go, GE Vernova provides a full range of services, from the wheel of the trailer to the top of the bushings. During standby periods or while in use on site, our teams can assess the condition of the equipment, such as the mechanical health of the solicited joints and mechanisms, dielectric health via PD monitoring, quality of the fluids and their sealing for oil or SF6, low-voltage panels integrity, then advise and apply preventive and corrective actions.
To maximize your asset performance and to reduce possible intervention delays due to administrative constraints, GE Vernova offers long-term operations and maintenance agreements, including 24/7 emergency service center assistance.
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B105 & T155
Hybrid Gas-Insulated Switchgear
The B105 & T155 H-GIS Hybrid Gas-Insulated Switchgear meet the challenges of networks up to 550 kV in power generation, transmission and heavy industry applications.
The B105 & T155 are compact and accessible, with a bay footprint 40% below the market average. Complete bays are assembled, wired, tested and shipped enabling shorter site works.
B105 & T155
Hybrid Gas-Insulated Switchgear
The B105 & T155 H-GIS Hybrid Gas-Insulated Switchgear meet the challenges of networks up to 550 kV in power generation, transmission and heavy industry applications.
The B105 & T155 are compact and accessible, with a bay footprint 40% below the market average. Complete bays are assembled, wired, tested and shipped enabling shorter site works.
Customer Benefits
Main Characteristics
Environment friendliness
- Lowest gas weight on market
- First-in-class SF₆ sealing system
High availability
- Best experiences and high data reliability
- Current transformers outside SF₆
- Pure-spring circuit breaker drives
- Outstanding accessibility: drives and accessories at easy reach
Short site works
- Complete bays assembled, wired, tested and shipped
Specifications
| General ratings | |||
| Reference electrotechnical standards | IEEE/IEC/GB | IEEE/IEC/GB | IEEE/IEC/GB |
| Voltages | 253 kV | 362/420 kV | 550 kV |
| Withstand voltages | |||
| - Short-duration power-frequency, phase-to-earth / across open switching device | 460/530 kV | 680/815 kV | 710/925 kV |
| - Switching impulse, phase-to-earth / across isolating distance | 1050/900(+345) kVp | 1175/900 (+450) kVp | |
| - Lightning impulse, phase-to-earth / across open switching device | 1050/1200 kVp | 1425/1425(+240) kVp | 1550/1550(+315) kVp |
| Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Continuous current | up to 4000 A | up to 5000 A | up to 5000 A |
| Short-time withstand current/Duration of short-circuit | 50-63 kA / 3 s | 63 kA / 3 s | 63 kA / 3 s |
| Ambient temperature range | down to -30 °C / up to +55 °C | down to -30 °C / up to +55 °C | down to -30 °C / up to +55 °C |
| Circuit-breaker ratings | |||
| First-pole-to-clear factor | 1.3 - 1.5 | 1.3 - 1.5 | 1.3 |
| Short-circuit breaking current | 50-63 kA | 63 kA | 63 kA |
| Short-circuit making current | 135-170 kAp | 170 kAp | 170 kAp |
| Operating sequence | O–0.3s–CO–3 min–CO/CO–15s–CO | O-0.3s-CO-3 min-CO/CO-15s-CO | O-0.3s-CO-3 min-CO/CO-15s-CO |
| Drive type | Pure-spring | Pure-spring | pure-spring or hydraulic |
| Breaking time | 3 cycles | 2 cycles | 2 cycles |
| Mechanical endurance | M2 class | M2 class | M2 class |
| Capacitive switching | C2 class | C2 class | C2 class |
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GridNode DER Management Solution
Energy trends of renewable penetration and decentralization of generation assets create new industry challenges. These challenges include integration, coordination, and maximizing return-on-investment (ROI) on distributed energy resources (DERs), while providing network reliability and flexibility.
GE Vernova's GridNode Distributed Energy Resources (DER) Management solution enables utilities and developers to easily integrate renewable energy resources
GridNode DER Management Solution
Energy trends of renewable penetration and decentralization of generation assets create new industry challenges. These challenges include integration, coordination, and maximizing return-on-investment (ROI) on distributed energy resources (DERs), while providing network reliability and flexibility.
GE Vernova's GridNode Distributed Energy Resources (DER) Management solution enables utilities and developers to easily integrate renewable energy resources
What is a Distributed Energy Resource (DER)
"A Distributed Energy Resource (DER) is any resource on the distribution system that produces electricity and is not otherwise included in the formal NERC definition of the Bulk Electric System (BES)". ~ NERC . Distributed Energy Resources are sometimes referred to as Distributed Generation, Distributed Energy, or Decentralized Energy and typically consist of renewable energy sources such as solar, wind, and storage.
Challenges with Integrating Renewables
- Reliability issues associated with connecting DERs onto the grid
- Coordination, Flexibility and Control of DER resources from different vendors for optimal and/or equal market participation
- Maximizing Return on Investment (ROI) through energy market participation
- Cost of Ownership and CAPEX
- Stress on existing network infrastructure
Benefits of GE Vernova’s GridNode: DER Management Solution
- Increase Reliability and Flexibility – Increase functionality and grid support capabilities, monitoring, and control
- Reduction in CAPEX – Life Extension of Assets, Ease of Operation
- Increase Revenue – Ability to provide grid support (Reactive Power)
- Increases Asset Life – Reduced OLTC Operations
GridNode DER Management Solution is a flexible and scale-able platform that incorporates various dispatch modes and control capabilities to easily integrate renewable energy onto the grid. The GridNode platform is vendor agnostic having the capability to integrate GE Vernova and 3rd party devices and assets.
GridNode: DER Management Solution
Dispatch Modes
GridNode: DER Management Solution, has the capability to dispatch commands to the connected DERs in one of the modes below in order to achieve the provided setpoint at the point-of-interconnection (POI).
Voltage
Reactive Power
Active Power
Power Factor
The GridNode: DER Management Solution considers the network limits and parameters and the individual DERs capacities and constraints when dispatching commands to each DER. In addition, the GridNode solution is capable to controlling a tap changer if required to obtain the desired value at the point of interconnection (POI).
Control Capabilities
Equitable Dispatch
- Ability to equitable dispatch the setpoint provided by the operator or DMS in an equitable manor, considering the system limits, across all DER assets.
Ramp-Rate Control
- Ability to control the ramp rate of the intermittent renewables connected to the system.
Feeder Controls
- Ability to integration feeder controls and monitoring into the solution
Volt-Var Control
- Ability to issue raise and lower commands to OLTCs, when the DER capabilities are exhausted
Services
GE Vernova's engineering and consulting services team provides a wide range of capabilities to assist you with integrating renewables.
Our dedicated team of experienced engineers can provide end-to-end solutions or specific activities based on the specific project requirements. From new installations to understanding the best way to upgrade an existing system, GE Vernova’s engineering team has been trusted to analyze, design and implement modern power systems.
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GridNode Microgrid Solutions
Global energy trends of electrification, decarbonization, digitization, and decentralization are changing the current energy landscape. These trends combined with customer’s demand for solutions that provide increasing reliability, resiliency, sustainability, energy independence and energy cost reduction has led to the growing demand for microgrids.
GridNode Microgrid Solutions
Global energy trends of electrification, decarbonization, digitization, and decentralization are changing the current energy landscape. These trends combined with customer’s demand for solutions that provide increasing reliability, resiliency, sustainability, energy independence and energy cost reduction has led to the growing demand for microgrids.
What is a Microgrid
"A microgrid is a group of interconnected loads and distributed energy resources (DERs) with clearly defined electrical boundaries that acts as a single, controllable entity with respect to the grid. A microgrid can connect and disconnect from the grid to enable its operations in both grid-connected or islanded mode" – US DOE Microgrid Exchange Group, 2010
Why a Microgrid
Today’s energy trends of Decarbonization, Digitization, Decentralization, and Electrification are changing the energy landscape. In addition, customer demand for clean, reliable, and economical energy is growing. Microgrids provide a way for customers to achieve various outcomes across different segments.
GridNode Microgrid solution is a flexible and scale-able platform that incorporates various real time control and optimization functions based on the customer’s requirements and desired outcome. The GridNode platform is vendor agnostic, having the capability to integrate GE Vernova and 3rd party devices.
GridNode Microgrid Solution Functions
Control Functions
Customer Benefits Include:
Autonomous Control and Flexibility
Planned And Unplanned Islanding
- Ability to transition between the Grid-connected mode and Islanded mode
Resynchronization
- Ability to seamlessly transition from the Islanded mode to the Grid-connected mode
Power Exchange at POI
- Ability to dispatch microgrid resources in order to manage power flow at the POI
Frequency Control
- Coordinate dispatch of various DERs to control the frequency of the island and control power flow during Grid Connected Mode
Power Factor Management
- Ability to dispatch microgrid resources to manage power factor at a reference point (e.g., POI)
PV Firming
- Ability to provide a firm the PV output on a real time basis
Voltage and Frequency Support
- Ability to dispatch microgrid resources in order to support the Voltage or Frequency of the Grid
Load Sharing
- Ability to control microgrid resources to regulate feeder voltage or the voltage at a reference point on the grid
Reserve Capacity Management
- Managing the reserved capacity of the microgrid to enhance remaining life of the island
Voltage Control
- Coordinate dispatch of various DERs to control the voltage of the island and control power flow during Grid Connected Mode
PV Curtailment
- Ability to curtail PV output to manage the power generation of the microgrid
Load Forcasting
- Ability to generate a day-ahead load forecast for optimal dispatch planning
Optimization Functions
Customer Benefits Include:
Energy savings, renewables enablement, emissions reduction
Optimal Dispatch
- Simplified/easy to use mode based DER optimal dispatch function
- Optimization Modes: Economics, Priority, Max Time of Life and Peak Shaving
- Incorporates load and renewable generation forecast
- Incorporates Grid Pricing
- Manages Reserve Capacity and BESS State of Charge
Ability to consider Power Export and Grid Services
Microgrid Energy Management System (MEMs)
Customer Benefits Include:
Ability to actively manage, schedule, plan, and monitor your optimal dispatch plan
Energy Optimization Platform
- Optimization Modes: Economic Dispatch, Peak Shaving, Minimize Emissions, Minimize Grid, Maximize Time of Life, and Maximize Renewables
- Provides a day-ahead (24hr) schedule, with 15min granularity
- Incorporates load and renewable generation forecasts
- Incorporates Grid Pricing
- Optimizes across DERs and Loads
- Manages Reserve Capacity and Battery SOC (Hard and Soft Limits)
- Provides Event Based Optimization changes
- Ability to compare various optimization scenarios prior to activating
- Ability to consider Power Export and inclusion of grid services
Advanced Functions
Customer Benefits Include:
System Reliability
Seamless Unplanned Islanding (FLS)
- Ability to perform adaptive fast load shedding to facilitate seamless unplanned islanding for reliability-centric microgrids
Market Participation
Customer Benefits Include:
Revenue Generation and Renewables Enablement
Market Participation
- Ability to integrate your system into the energy markets
Business Model
As with most projects a microgrid project requires effective planning, analysis, and execution. Projects can range from large scale new installations consisting of engineering procurement, and construction of buildings, new DERs, electrical and mechanical equipment, protection and controls, as well as services to retrofits of existing systems with new microgrid controls. When required, GE Vernova partners with industry leaders to develop and design a system around our customers desired outcome. This approach enables GE Vernova to deliver a full turn-key solution.
GE Vernova works with partners to provide a turn-key solution to our customers
Services
GE Vernova's engineering and consulting services team provides a wide range of capabilities to assist you with implementing your microgrid project.
Our dedicated team of experienced engineers can provide end-to-end solutions or specific activities based on the specific project requirements. From new installations to understanding the best way to upgrade an existing system, GE Vernova’s engineering team has been trusted to analyze, design and implement modern power systems. Our broad range of services include activities such as:
Discover GE Vernova's solutions with the interactive Microgrid Explorer
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Utility & Industrial Substation Projects
Substation and electrical infrastructure projects for utility and industrial customers face a number of challenges in today's environment. Increasing demand and workload peaks, NERC and FERC regulations, and an aging workforce and infrastructure serve as drivers for outsourcing these complex projects.
GE Vernova serves these needs with a comprehensive range of products and services for substation and electrical grid projects that can be delivered as Engineered Equipment Packages (EEP), Engineer, Procure and Construct EPC) and support services.
Utility & Industrial Substation Projects
Substation and electrical infrastructure projects for utility and industrial customers face a number of challenges in today's environment. Increasing demand and workload peaks, NERC and FERC regulations, and an aging workforce and infrastructure serve as drivers for outsourcing these complex projects.
GE Vernova serves these needs with a comprehensive range of products and services for substation and electrical grid projects that can be delivered as Engineered Equipment Packages (EEP), Engineer, Procure and Construct EPC) and support services.
GE Vernova's Advantage
With more than a century of experience in the transmission and distribution industry, GE Vernova's projects team leverages their expertise to provide customers with a number of key benefits.
Extensive Experience
Deep domain knowledge and proven excellence in complex electrical projects results in increased customer confidence and reduced risk.
- Designed and implemented over 1,700 substation projects
- Lead engineering and project management professionals average more than 20 years industry experience
- Experience with large, complex projects valued over $100M
- Unique capability to execute technically complex upgrade projects
On-Time and On-Budget Delivery
Process rigor with seamless project execution and delivery produce streamlined, on-time and on-budget results.
- 99% on-time completion to in-service date
- Greater than 97% on-budget performance
- 50% fewer change orders than industry average resulting in improved price forecasting and total cost of ownership
Industry Leading Safety and On-Site Management Record
Rigorous, best-in-class quality and process standards provide and promote a safe and secure work environment. This ensures systematic project execution, on-time completion of deliverables and the highest level of on-site safety.
- Nearly 1.5 years of project site work without an OSHA
recordable injury - Comprehensive safety program focused on awareness, training and prevention
Comprehensive Integration Capability
A full line of OEM equipment integrated via state-of-the-art 3D knowledge-based design tools provide optimized system designs.
- Pioneered the use of 3D interactive tools that incorporate GE Vernova design experience into repeatable knowledge-based system to drive efficiency, quality and speed
- Simplified and streamlined commercial offerings eliminate project and logistical complexities of multiple vendor projects
Markets Served
GE Vernova's Projects teams serve a number of different market verticals including:
Utility Transmission Substations
GE Vernova leads the North American industry in successful completion of sophisticated and critical electric transmission projects varying from 69kV to 500kv. Typical project types include:
- Greenfield substations
- Capacity upgrades
- Bay additions
- Transformer and circuit breaker change-outs
- Bus reconfiguration and expansion (BAAH, Ring Bus)
- SCADA and protection and control upgrades
Utility Distribution Substations
GE Vernova offers a wide variety of distribution substation solutions, varying from 12kV to 69kV, that incorporate the latest GE Vernova technologies and a modular design that allows for standardization and scalability to cover small, medium and large distribution substations upgrades. Typical project types include:
- Greenfield substations
- Transformer and circuit breaker change-outs
- SCADA and protection and control upgrades
Industrial Substations
GE Vernova's solution is specifically engineered to provide the highest reliability possible, including redundant service if required. GE Vernova has extensive design and construction experience in building new or upgrading existing industrial substations including:
- Oil & Gas
- LNG/Petrochemical
- Metals & Mining
- Steel/paper/cement
Renewable Substations
(Wind & Solar)
GE Vernova provides Electrical Balance of Plant (EBoP) for wind and solar grid interconnect with a full line of solutions, products and services to support the development, design, installation and operations of renewable generation facilities. GE Vernova has designed and constructed nearly 10% of the wind generation connected to the North American grid.
Multi-year Upgrade Programs
GE Vernova provides multiyear programs to utilities and customers for a range of project types. A program approach is generally used for a group of projects that have a set criteria, common goals or anticipated results. For example, a customer may need to replace specific equipment or upgrade systems at multiple substations over an extended period of time. Typical project types can include:
- Protection and control hardware upgrades
- New or existing communications and SCADA upgrades
- Replacement of specific switchyard equipment, including transformer and circuit breaker change-outs
Specialized Technology Applications
Gas Insulated Switchgear Substations
GE Vernova provides Gas Insulated Switchgear (GIS) Substations ranging from 69kV to 500kV for utilities and industrial customers with a full complement of primary and secondary equipment, services and solutions to build and retrofit electrical infrastructure. GE Vernova's compact and modular design minimizes the installation footprint.
IEC 61850 Process Bus Solution
With the unique Multilin™ HardFiber Brick solution, GE Vernova offers customers an alternative to traditional copper wired substation designs that significantly reduces installation costs. This enabling technology creates a reliable high-speed network with the ability to connect and transmit data from the substation to an Advanced Distribution Management System (ADMS) or Energy Management System (EMS). The Multilin HardFiber Brick solution complies to the IEC 61850 global industry standard
Modular Control Buildings
GE Vernova provides electric utility and industrial customers with Modular Control Buildings intended for use in transmission and distribution substations. The Modular Control Building is manufactured in a controlled environment. The panels are wired and cabled to an intertie box that accepts the field cables from the switchyard equipment. The entire building and panels are pretested at the factory and shipped to site to be set on piers or a slab foundation.
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