31.5KA High Voltage Switchgear

High Voltage Power GIS-126KV Gas Insulated Switchgear

General of High Voltage Power GIS-126KV Gas Insulated Switchgear

ZF41B-126 gas insulated metal enclosed switchgear (GIS) is a high-tech product imported to the mature technology of Lenin Institute of Electrical Engineering (VEI) of Russia for domestic transformation, and won the first prize of new products of key industries in Ningbo. GIS directly connects circuit breaker, isolation switch, grounding switch, transformer, arrester, bus, sleeve or cable terminal, etc. to form a direct connection. All elements (except for sleeve) are placed in the metal shell of grounding, and the shell is filled with SF6 gas with excellent insulation and arc extinguishing performance. The product adopts three-phase common box, three station isolation switch and all aluminum alloy shell technology, which can be used in various power plants and substations in 126kV AC power system. It has many advantages, such as small area, high reliability, short installation period and small maintenance workload, and is particularly suitable for urban substations and enterprise substations with tight land, Hydropower stations and areas with serious pollution.

Features of High Voltage Power GIS-126KV Gas Insulated Switchgear

1. Excellent breaking performance

The original arc extinguishing system can meet the requirement of close-in fault, fall out step breaking, cutting sensibility, capacitative current. Excellent breaking can meet 1.5class, and also can meet the different systems requirement of neutral-point solid ground and neutral-point insulating.

2. High reliability and security

There are steady, reliable primary structure, three-position disconnector, disc- insulator with metal outer ring, high quality cast aluminium alloy shell and mechanical-electrical double interlocking. This product is beautiful exterior, reliable earth connection, without swirl loss, big safety margin, and can meet the temperature rise of 110% rated current and thermostable test for 4 seconds.

3. Low leakage rate of SF6

The seal link is reduced, simplify monitoring system of SF6, adopt multifunction integration proclaim oneself valve seat, which can completely eradicate SF6 gas leakage.

4. The rating is higher than like product, inflation pressure is lower, weight is lighter, space usage is smaller, lifetime us longer.

5. Module design is modulat, arrangement form is flexible, extension is easy.

6. Easy installation and short installation period

Use adjustable support, so that the foundation installation of GIS is easy. The control and signal cable adopts synthesize connector clip, which can make installation and maintain easier.

7. Lower noise

As lower operated power, the synthesize noise of GIS is lower. Noise standard is State city region I nightly standard rate.

High Voltage Power GIS-126KV Gas Insulated Switchgear Typical application cases