DT1-72.5
Dead Tank Circuit Breaker for 72.5 kV
State-of-the-Art Technology
GE Vernova's DT series of dead tank circuit breakers are known for their advanced self-blast interrupters, leak resistant cast aluminum enclosures and durable low energy spring operated mechanisms. More than 100,000 GE Vernova circuit breakers with self-blast interrupters and FK spring-operated mechanisms have been in service since 1989.
DT1-72.5
Dead Tank Circuit Breaker for 72.5 kV
State-of-the-Art Technology
GE Vernova's DT series of dead tank circuit breakers are known for their advanced self-blast interrupters, leak resistant cast aluminum enclosures and durable low energy spring operated mechanisms. More than 100,000 GE Vernova circuit breakers with self-blast interrupters and FK spring-operated mechanisms have been in service since 1989.
Performance
Thanks to its robust design, the DT1-72.5 is a highly reliable circuit breaker even under the most severe operating conditions and is tested to meet or exceed IEEE/ANSI and IEC as C2 class for capacitance switching including back-to-back (low restrike probability) and reactor switching applications. Extensive mechanical operation design testing ensures trouble-free operation for the lifetime of the circuit breaker. Intensive production leak testing ensures superior in-service SF6 performance.
Certified Quality
GE Vernova designs, manufactures, tests and delivers its circuit breakers in accordance with IEEE/ANSI and IEC standards, maintaining a quality assurance system according to ISO-9001 and ISO-14001. The competence center for dead tank circuit breakers is located in Charleroi, PA, USA.
Specifications
| IEEE/ANSI | IEC | Value | Units |
|---|---|---|---|
| Rated maximum voltage | Rated voltage | 72.5 | kV |
| Rated power freouency | Rated frequency | 50/60 | Hz |
Rated dielectric withstand capability:
| Rated insulation level
|
160 |
kV |
| Rated lightning impulse withstand voltage |
| 350 | kV |
| Rated chopped wave impulse voltage 2us/3us | 452/402 | kV | |
| Rated continuous current | Rated normal current | 1,200/2,000/3,000 | A |
| Rated short-circuit current | Rated short-circuit breaking current | 40 | kA |
| Rated closing,latching and short time carrying current | 108 | kA | |
| Rated short-circuit making current | 100 | kA | |
| Rated capacitance switching | 630 | A | |
| Rated single capacitor bank breaking current | 1,200 | A | |
| Rated interrupting time | 3 | cycles | |
| Rated break time | 50 | ms | |
| Rated standard operating duty | Rated operating sequence | O-CO-15s-CO O-0.3s-CO-180s-CO | |
| *Standard values: further data is available on request. **Please contact Grid Solutions for special purpose, high TRV, high X/R or other ratings requirements. | |||
Drawings
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DT1-38
Dead Tank Circuit Breaker for 38 kV
State-of-the-Art Technology
GE Vernova's DT series of dead tank circuit breakers are known for their advanced self-blast interrupters, leak resistant cast aluminum enclosures and durable low energy spring operated mechanisms. More than 100,000 GE Vernova circuit breakers with self-blast interrupters and FK spring-operated mechanisms have been in service since 1989.
DT1-38
Dead Tank Circuit Breaker for 38 kV
State-of-the-Art Technology
GE Vernova's DT series of dead tank circuit breakers are known for their advanced self-blast interrupters, leak resistant cast aluminum enclosures and durable low energy spring operated mechanisms. More than 100,000 GE Vernova circuit breakers with self-blast interrupters and FK spring-operated mechanisms have been in service since 1989.
Performance
Thanks to its robust design, the DT1-38 is a highly reliable circuit breaker even under the most severe operating conditions and is tested to meet or exceed IEEE/ANSI and IEC as C2 class for capacitance switching including back-to-back (low restrike probability) and reactor switching applications. Extensive mechanical operation design testing ensures trouble-free operation for the lifetime of the circuit breaker. Intensive production leak testing ensures superior in-service SF₆ performance.
Quality components play a key role in the high performance of the unit. DT1-38 components include:
- Third-generation self-blast interrupter chamber
- Pressure relief system for passive protection of both substation and personnel
- Generous space for current transformers
- Field-proven, temperature-compensated density monitor with two-stage pressure switch and three-color dial
- DILO SF₆ filling connection
- Galvanized steel base frame
- Reliable spring-spring-operated mechanism
Certified Quality
GE Vernova designs, manufactures, tests and delivers its circuit breakers in accordance with IEEE/ANSI and IEC standards, maintaining a quality assurance system according to ISO-9001 and ISO-14001. The competence center for dead tank circuit breakers is located in Charleroi, PA (USA).
Specifications
| IEEE/ANSI | IEC | Value | Units |
|---|---|---|---|
| Rated maximum valtage | Rated voltage | 38 | kV |
| Rated power frequency | Rated frequency | 50/60 | Hz |
Rated dielectric withstand capability:
| Rated insulation level
|
80 |
kV |
| Rated lightning impulse withstand voltage |
| 200* | kV |
| Rated chopped wave impulse voltage 2us | 258 | kV | |
| Rated continuous current | Rated normal current | 1,200/2,000/3,000 | A |
| Rated short-circuit current | Rated short-circuit breaking current | 40 | kA |
| Rated closing,latching and short time carrying current | 104 | kA | |
| Rated short-circuit making current | 100 | kA | |
| Rated capacitance switching | 630 | A | |
| Rated single capacitor bank breaking current | 1,200 | A | |
| Rated interrupting time | 3 | cycles | |
| Rated break time | 50 | ms | |
| Rated standard operating duty | Rated operating sequence | O-CO-15s-CO O-0.3s-CO-180s-CO | |
| *Standard values: further data is available on request. **Please contact Grid Solutions for special purpose, high TRV, high X/R or other ratings requirements. | |||
Drawings
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GL 318 / GL 318X
Live tank circuit breaker up to 800 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 318 and GL 318X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
GL 318 / GL 318X
Live tank circuit breaker up to 800 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 318 and GL 318X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
High Quality Components
The GL 318 and GL 318X live tank circuit breakers provide high reliability based in part on high quality components, including:
- Single pole operating design
- Four self-blast Interrupter chambers and two spring mechanisms per pole
- Spring mechanism FK3 equipped with a position indicator visible from outside
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF₆ filling connection (type DILO)
- Sealings suitable for temperatures down to -60 °C
- Hot-dip galvanized steel parts and mechanism housings made completely of aluminum
Flexible Options
- Standard low voltage equipment provided, additional equipment is available
- Composite insulators are available
- Seismic dampers for high seismic request can be provided
- Pressure relief system for passive protection of both substation and personnel
- RPH3 controller: Pont-on-wave tripping and closing relays
- CBWatch: compact and modular circuit breaker monitoring solution
- Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing
The live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC standards.
Certified Quality
GE Vernova’s quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.
Specifications
| Breaker Type | GL 318 / GL 318D | GL 318X / GL 318XD | ||
|---|---|---|---|---|
| Number of breaks / phase | 4 | 4 | ||
| Rated normal voltage | kV | 800 | 800 | |
| Rated normal current* | A | 4,000 | 5,500 | |
| Rated frequency | Hz | 50/60 | 50 | |
| Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device) | ||||
| - At power frequency | kV | 830/1,150 | 830/1,150 | |
| - At lightning impulse (1.2 / 50 µs wave) | kV (peak) | 2,100/2,100 (+455) | 2,100/2,100 (+455) | |
| - At switching impulse | kV (peak) | 1,550/1,175 (+650) | 1,550/1,175 (+650) | |
| Rated short-circuit breaking capacity | ||||
| -Periodic component (r.m.s. value) | kA | 50 | 63 | |
| First pole-to-clear factor | 1.3 | 1.3 | ||
| Peak short-circuit withstand current | kA (peak) | 137 | 173 | |
| Rated line-charging capacitive switching | Class C2 | Class C2 | ||
| Mechanical endurance | Class M2 | Class M2 | ||
| Breaking time | cycles | 2 - 2,3 | 2 - 2,3 | |
| * For other values, please contact Grid Solutions. | ||||
Drawings
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GL 317 / GL 317X
Live tank circuit breaker up to 550 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 317 and GL 317X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
GL 317 / GL 317X
Live tank circuit breaker up to 550 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 317 and GL 317X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
High Quality Components
The GL 317 and GL 317X live tank circuit breakers provide high reliability based in part on high quality components, including:
- Single pole operating design
- Two self-blast Interrupter chambers per pole
- Spring mechanism FK3 equipped with a position indicator visible from outside
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF₆ filling connection (type DILO)
- Sealings suitable for temperatures down to -60 °C
- Hot-dip galvanized steel parts and mechanism housings made completely of aluminum
Flexible Options
- Standard low voltage equipment provided, additional equipment is available
- Composite insulators are available
- Seismic dampers for high seismic request can be provided
- Pressure relief system for passive protection of both substation and personnel
- RPH3 controller: Pont-on-wave tripping and closing relays
- CBWatch: compact and modular circuit breaker monitoring solution
- Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing
The live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC standards.
Certified Quality
GE Vernova’s quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.
Specifications
| Breaker Type | GL 317 / GL 317D | GL 317X / GL 317XD | ||
|---|---|---|---|---|
| Number of breaks / phase | 2 | 2 | ||
| Rated normal voltage | kV | 550 | 550 | |
| Rated normal current | A | 4,000 | 5,500 | |
| Rated frequency | Hz | 50/60 | 50 | |
| Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device) | ||||
| - At power frequency | kV | 620/800 | 620/800 | |
| - At lightning impulse (1.2 / 50 µs wave) | kV (peak) | 1,550/1,550 (+315) | 1,550/1,550 (+315) | |
| - At switching impulse | kV (peak) | 1,175/900 (+450) | 1,175/900 (+450) | |
| Rated short-circuit breaking capacity | ||||
| -Periodic component (r.m.s. value) | kA | 50 | 63 | |
| First pole-to-clear factor | 1.3 | 1.3 | ||
| Peak short-circuit withstand current | kA (peak) | 137 | 173 | |
| Rated line-charging capacitive switching | Class C2 | Class C2 | ||
| Mechanical endurance | Class M2 | Class M2 | ||
| Breaking time | cycles | 2 - 2,3 | 2 - 2,3 | |
| * For other value, please contact Grid Solutions. Grading capacitors should be removed depending on required performances. | ||||
Drawings
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GL 316 / GL 316X
Live tank circuit breakers up to 420 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 316 and GL 316X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
GL 316 / GL 316X
Live tank circuit breakers up to 420 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 316 and GL 316X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
High Quality Components
The GL 316 and GL 316X live tank circuit breakers provide high reliability based in part on high quality components, including:
- Single pole operating design
- Two self-blast Interrupter chambers per pole
- Spring mechanism FK3 equipped with a position indicator visible from outside
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF₆ filling connection (type DILO)
- Sealings suitable for temperatures down to -60 °C
- Hot-dip galvanized steel parts and mechanism housings made completely of aluminum
Flexible Options
- Standard low voltage equipment provided, additional equipment is available
- Composite insulators are available
- Seismic dampers for high seismic request can be provided
- Pressure relief system for passive protection of both substation and personnel
- RPH3 controller: Pont-on-wave tripping and closing relays
- CBWatch: compact and modular circuit breaker monitoring solution
- Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
- Grading capacitors depending on specifications
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing
The live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC standards.
Certified Quality
GE Vernova's quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.
Specifications
| Breaker Type | GL 316 / GL 316D | GL 316X / GL 316XD | |
| Number of breaks / phase | 2 | 2 | |
| Rated normal voltage | kV | 420 | 420 |
| Rated normal current | A | 4,000 | 5,500 |
| Rated frequency | Hz | 50/60 | 50 |
| Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device) - At power frequency - At lightning impulse (1.2 / 50 µs wave) - At switching impulse | kV kV (peak) kV (peak) | 520/700 1,425/1,425 (+240) 1,050/900 (+345) | 520/700 1,425/1,425 (+240) 1,050/900 (+345) |
| Rated short-circuit breaking capacity -Periodic component (r.m.s. value) | kA | 50 | 63 |
| First pole-to-clear factor | 1.3 | 1.3 | |
| Peak short-circuit withstand current | kA (peak) | 137 | 173 |
| Rated line-charging capacitive switching | Class C2 | Class C2 | |
| Mechanical endurance | Class M2 | Class M2 | |
| Breaking time | cycles | 2 - 2,3 | 2 - 2,3 |
| * For other values, please contact Grid Solutions. | |||
Drawings
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GL 315 / GL 315X
Live tank circuit breaker for 362 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 315 and GL 315X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
GL 315 / GL 315X
Live tank circuit breaker for 362 kV
Reliable, Economical and Easy-to-Use
GE Vernova’s GL 315 and GL 315X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
Flexible Options
- Standard low voltage equipment provided, additional equipment is available
- Composite insulators are available
- Seismic dampers for high seismic request can be provided
- Pressure relief system for passive protection of both substation and personnel
- RPH3 controller: Pont-on-wave tripping and closing relays
- CBWatch: compact and modular circuit breaker monitoring solution
- Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing
The live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC standards.
Certified Quality
GE Vernova's quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.
Specifications
| Breaker Type | GL 315 / GL 3150 | GL 315X / GL 315XD | |
| Number of breaks / phase | 2 | 2 | |
| Rated normal voltage | kV | 362 | 362 |
| Rated normal current | A | 4,000 | 5,500 |
| Rated frequency | Hz | 50/60 | 50 |
| Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device) - At power frequency - At lightning impulse (1.2 / 50 µs wave) - At switching impulse | kV kV (peak) kV (peak) | 450/520 1,175/1,175(+205) 950/800(+295) | 450/520 1,175/1,175(+205) 950/800(+295) |
| Rated short-circuit breaking capacity -Periodic component (r.m.s. value) | kA | 50 | 63 |
| First pole-to-clear factor | 1.5 | 1.5 | |
| Peak short-circuit withstand current | kA (peak) | 137 | 173 |
| Rated line-charging capacitive switching | Class C2 | Class C2 | |
| Mechanical endurance | Class M2 | Class M2 | |
| Breaking time | cycles | 2 - 2,3 | 2 - 2.3 |
| * For other values, please contact us. | |||
Drawings
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GL 314 BPS
Live tank by-pass switch for series capacitor bank applications
Fast Closing By-Pass Switch
GE Vernova’s GL 314 By-Pass Switch (BPS) is designed to close very fast and protect series capacitor banks in case of a fault in the overhead lines. It is equipped with excelled live tank circuit breaker technology such as the third-generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
GL 314 BPS
Live tank by-pass switch for series capacitor bank applications
Fast Closing By-Pass Switch
GE Vernova’s GL 314 By-Pass Switch (BPS) is designed to close very fast and protect series capacitor banks in case of a fault in the overhead lines. It is equipped with excelled live tank circuit breaker technology such as the third-generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
High Quality Components
The GL 314 BPS live tank circuit breaker provides high reliability based in part on high quality components, including:
- Three pole operating design
- One self-blast interrupting unit with guard rings at upper and lower positions
- Supporting column is composed of two to four insulators (depending on the voltage to ground/earth)
- Spring mechanism FK3 equipped with a position indicator visible from the outside
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF6 filling connection (type DILO)
- Sealings suitable for temperatures down to -50 °C
- Hot-dip galvanized steel parts and mechanism housing made completely of aluminum
Optional Components
- Standard low voltage equipment provided, additional equipment is available
- Composite insulators are available
- Seismic dampers for high seismic request can be provided
- Pressure relief system for passive protection of both substation and personnel
- CBWatch: compact and modular circuit breaker monitoring solution
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing
The by-pass switch meets the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest versions of IEC standards.
Certified Quality
GE Vernova's quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage switches.
Specifications
| TECHNICAL DATA* | ||
|---|---|---|
| Network frequency | Hz | 50 / 60 |
Insulation level
|
kVp |
750 |
Operating times
|
ms |
28 +/- 2 |
| Rated making current | kAp | 120 |
| Insertion current | A | 5,000 |
| Insertion voltage | kVp | 300 |
Cycles
|
C - 0.2 s - OC - 15s | |
| * Standard value, for other, please contact us | ||
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GL 314 / GL 314X
Live tank circuit breaker for 245 / 300 kV
Highly Reliable Performance
GE Vernova’s GL 314 and GL 314X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
GL 314 / GL 314X
Live tank circuit breaker for 245 / 300 kV
Highly Reliable Performance
GE Vernova’s GL 314 and GL 314X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.
Customer Benefits
The GL 314 and GL 314X live tank circuit breaker provides high reliability based in part on high quality components, including:
- Single pole or three pole operating design
- Self-blast interrupter chambers
- Spring mechanism FK3 equipped with a position indicator visible from the outside
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF₆ filling connection (type DILO)
- Sealings suitable for temperatures down to -60 °C
- Hot-dip galvanized steel parts and mechanism housing made completely of aluminum
Optional Components
- Standard low voltage equipment provided, additional equipment is available
- Composite insulators are available
- Seismic dampers for high seismic request can be provided
- Pressure relief system for passive protection of both substation and personnel
- RPH3 controller: Pont-on-wave tripping and closing relays
- CBWatch: compact and modular circuit breaker monitoring solution
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Pole units pre-filled with SF₆ at factory before shipping
- Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing
Our live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC and ANSI standards.
Certified Quality
The entire development and production procedures for our live tank circuit breakers are fully compliant with the latest ISO 9001, ISO 14001 and OHSAS 18001 quality standards. This ensures the high quality of our products and services, which is confirmed by regular audits.
Specifications
| Breaker type* | GL 314 | GL 314X | ||||
|---|---|---|---|---|---|---|
| Number of breaks / phase |
| 1 | 1 | |||
| Rated normal voltage | kV | 245 / 252 | 245 | 300 | ||
| Rated normal current | A | 4,400 | 4,000 | |||
| Rated frequency | Hz | 50 | 60 | 50 | 50 | |
| Rated dielectric withstand (up to 1,000 m)* (to earth / occross open device) |
|
|
|
| ||
| - At power frequency | kV | 460/530 | 460/530 | 460/530 | ||
| - At lightning impulse (1.2 / 50 µs wave) | kV (peak) | 1,050/ 1,200 | 1,050/ 1,200 | 1,050/ 1,050(+170) | ||
| - At switching impulse | kV (peak) | N/A | N/A | 850/700 (+245) | ||
| Roted short-circuit breaking capacity - Periodic component (r.m.s. value) | kA | 50 | 40 | 63 | 50 | |
| First pole-to-clear factor |
| 1.3 | 1.5 | 1.3 | 1.3 | |
| Peak short-circuit withstand current | kA (peak) | 137 | 110 | 173 | 137 | |
| Roted line-charging capac itive switching |
| Class C2 | Class C2 | |||
| Mechanical endurance |
| Class M 2 | Class M2 | |||
| Breaking time | cycles | 2 - 2.3 | 2 - 2.3 | |||
| * For other values, please contact us. | ||||||
Drawings
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GL 313
Live tank circuit breakers from 145 kV up to 170 kV
Reliable Performance in Low Temperatures
GE Vernova’s GL 313 live tank circuit breaker for outdoor installation is designed for temperatures down to -55°C with gas mixture and -40°C with pure SF6, and feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest double motion technology effectively reduces the opening energy by approximately 65%. The GL 313 live tank circuit breaker provides a high level of reliability, even under extreme conditions and climates, or in highly active seismic areas.
GL 313
Live tank circuit breakers from 145 kV up to 170 kV
Reliable Performance in Low Temperatures
GE Vernova’s GL 313 live tank circuit breaker for outdoor installation is designed for temperatures down to -55°C with gas mixture and -40°C with pure SF6, and feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest double motion technology effectively reduces the opening energy by approximately 65%. The GL 313 live tank circuit breaker provides a high level of reliability, even under extreme conditions and climates, or in highly active seismic areas.
High Quality Components
The GL 313 live tank circuit breaker provides high reliability based in part on high quality components, including:
- Interrupter chamber with integral double motion technology and self-blast system
- Pressure relief system for passive protection of both substation and personnel
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF6 filling connection (type DILO)
- SF6 non-return (check) valve on each pole column
- Protected opening springs inside each pole column
- Hot-dip galvanized steel parts
- Mechanism housing made completely of aluminum
- Reliable spring-operated mechanism with position indicator clearly visible from outside
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Pole units pre-filled with SF6 at factory before shipping
- Independent disassembly of the interrupter chamber without having to remove the entire pole column
Testing
Our live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC and ANSI standards.
Quality
The entire development and production procedures for our live tank circuit breakers are fully compliant with the latest ISO 9001 ISO 14001 and OHSAS 18001 quality standards. This ensures the high quality of our products and services, which is confirmed by regular audits.
Specifications
| Breaker type | GL 313 F1/4031 P / GL 313 F3/4031 P |
|---|---|
| Rated voltage | 170 kV |
| Rated frequency | 50/60 Hz |
| Rated normal current | up to 3,150 A |
| Rated short circuit breaking current | up to 40 kA |
| Rated short circuit making current | 104 kA |
| Rated duration of short circuit | 3 s |
| Opening time | 28 ms |
| Break time | 50 ms |
| Closing time | ≤70 ms |
| Average ambient temperature * | -30 °C up to +40 °C |
| Design altitude * | *1,000 m.a.s.l. |
| * Standard values according to IEC; temperatures down to -55 °C up to +70 °C and/or higher design altitudes available on request. | |
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GL 310, GL 311 and GL 312
Live tank circuit breakers from 100 kV up to 145 kV
Reliable Performance in Low Temperatures
GE Vernova’s GL 310, GL 311 and GL 312 live tank circuit breakers for outdoor installation are designed for temperatures down to -60°C with gas mixture and -40°C with pure SF6 and feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest double motion technology effectively reduces the opening energy by approximately 65%.
GL 310, GL 311 and GL 312
Live tank circuit breakers from 100 kV up to 145 kV
Reliable Performance in Low Temperatures
GE Vernova’s GL 310, GL 311 and GL 312 live tank circuit breakers for outdoor installation are designed for temperatures down to -60°C with gas mixture and -40°C with pure SF6 and feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest double motion technology effectively reduces the opening energy by approximately 65%.
High Quality Components
The GL 310, GL 311 and GL 312 live tank circuit breakers provide high reliability based in part on high quality components, including:
- Interrupter chamber with integral double motion technology and self-blast system
- Pressure relief system for passive protection of both substation and personnel
- Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
- Easy access to the SF6 filling connection (type DILO)
- SF6 non-return (check) valve on each pole column
- Protected opening springs inside each pole column
- Hot-dip galvanized steel parts
- Mechanism housing made completely of aluminum
- Reliable spring-operated mechanism with position indicator clearly visible from outside
Installation and Maintenance
- Preset at factory before shipping; no adjustments necessary during installation and commissioning
- Pole units pre-filled with SF6 at factory before shipping
- Independent disassembly of the interrupter chamber without having to remove the entire pole column
- Single-pole operated circuit breakers partially pre-assembled before delivery (base frame with the mounted and wired mechanisms)
Advanced Testing
Our live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC and ANSI standards.
Certified Quality
The entire development and production procedures for our live tank circuit breakers are fully compliant with the latest ISO 9001, ISO 14001 and OHSAS 18001 quality standards. This ensures the high quality of our products and services, which is confirmed by regular audits
Specifications
| Breaker type | GL 310 F1/4031 P/ GL 310 F3/4031 P | GL 311 F1/4031 P/ GL 311 F3/4031 P | GL 312 F1/4031 P/ GL 312 F3/4031 P |
|---|---|---|---|
| Rated voltage | 100 kV | 123 kV | 145 kV |
| Rated frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Rated normal current | up to 3,150 A | up to 3,150 A | up to 3,150 A |
| Rated short-circuit breaking current | up to 40 kA | up to 40 kA | up to 40 kA |
| Rated short-circuit making current | 104 kA | 104 kA | 104 kA |
| Rated duration of short-circuit | 3 s | 3 s | 3 s |
| Opening time | 28 ms | 28 ms | 28 ms |
| Break time | 50 ms | 50 ms | 50ms |
| Closing time | ≤70 ms | ≤70 ms | ≤70 ms |
| Average ambient temperature* | -30 °C up to +40 °C | -30 °C up to +40 °C | -30 °C up to +40 °C |
| Design altitude* | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. |
| * Standard values according to IEC; temperatures down to -55 °C up to +70 °C and/or higher design altitudes available on request | |||
Drawings
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