Thông số kỹ thuật máy cắt GE
|
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 |
Technical Data
|
Breaker type |
GL 310 F1/4031 P |
GL 311 F1/4031 P |
GL 312 F1/4031 P |
|
GL 310 F3/4031 P |
GL 311 F3/4031 P |
GL 312 F3/4031 P |
|
GL 310 F1/4040 P |
GL 311 F1/4040 P |
GL 312 F1/4040 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. |
The GL 310, GL 311 and GL 312 live tank circuit breakers
-
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