800resistors in parallel per phase as well as mounted with parallel capacitor. Each phase also equipped with a hydraulic operating mechanism which can satisfy very strictly requirement ◆The DS and ES can be directly connected to the busbar or other units separately ◆The mechanism can be operated by motor operating mechanism, or by the manual hand ◆Lightweight enclosures of aluminum with good conductivity, no eddy-current losses and a high resistance to corrosion ◆ Short erection times and high reliability, by providing large transport units assembled and tested in the
Rated voltage
800kV
Rated current
8000A
Rated frequency
50 Hz
Rated short-time withstand current(3s)
50kA
Rated peak withstand current
135kA
Rated short-circuit breaking current
50kA
Rated making current
135kA
Rated power frequency withstand voltage(1 min.)
960kV
Rated switching impulse withstand voltage
1550kV
Rated lightning impulse withstand voltage
2100kV
Leakage rate/ year and gas compartment
≤0.5%
Operating sequence
O-0.3s-CO-180s-CO
Ambient temperature
-25…+40 ℃
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
Gas Insulated Switchgear ( GIS) 800Kv
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