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Generator Protection Switchgear

Generator Protection Switchgear

According to modular design concept, the type generator protection switchgear is consists of the following components: SF6 generator circuit-breaker, disconnector, earthing switch, VT, CT, capacitor, control cabinet, driving device, interlocking device, bottom shelf and cover assembly. This type switchgear has been widely used in hydroelectric, nuclear power, thermal power station or other substations

◆The puffer arc-extinguishing can extinguish rated interrupting current, especially in the side of small interrupting current, it feature excellent and stable performance of interrupting.

◆According to modular design concept, The combination of the different components may be selected according to the needs of the customer. The compact design and operating procedure with the space-saving and low cost

◆With the especial hydraulic operating mechanism and 3-phase mechanical linkage, it feature excellent in the side of mechanic capability and work reliability

Rated voltage	18 kV	24kV
Rated frequency	50 Hz
Rated current	6300 A 8000A 10000A 11000A
Rated short-time withstand current(3s/2s)	63kA 80kA / 100 kA
Rated peak withstand current	172.6kA 219.2kA 274 kA
Rated breaking current	63kA 80kA
Rated making current	172.6kA 219.2kA 274 kA
Rated power frequency withstand voltage(1 min.)	53kV	65kV
Rated power frequency withstand voltage when the gauge pressure located at 0 MPa (5 min.)	13.5kV	18kV
Rated lightning impulse withstand voltage	100kV	125kV
Operating sequence	CO-15min-CO
Leakage rate/ year and gas compartment	≤0.5%
Ambient temperature	-15…+40 ℃

Generator Protection Switchgear

This type GCB can work at 18kV/24kV, indoor, three-phase,50Hz, great current. within the interrupting chamber SF6-gas is used for both arc extinguishing and internal insulation

◆The puffer arc-extinguishing can extinguish rated interrupting current, especially in the side of small interrupting current, it feature excellent and stable performance of interrupting.

◆According to modular design concept, The combination of the different components may be selected according to the needs of the customer. The compact design and operating procedure with the space-saving and low cost

◆With the especial hydraulic operating mechanism and 3-phase mechanical linkage, it feature excellent in the side of mechanic capability and work reliability

Jesco Projects (India) Pvt. Ltd.

7, Maskati Mahal, 2nd Floor, 119 K. M. Sharma Marg,
Mumbai 400-002, India.
Tel: +91-22-22083558 / 22013804 / 22006388
Fax: +91-22-22062247
Email: contact(at)jescoindia.com

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