24KV GIS Industrial Switchgear
24KV GIS industrial switchgear is one of the types of medium voltage gas insulated switchgear designed for commercial & industrial applications.
24KV GIS industrial switchgear was developed by using full sealed structure concept and modular design. All live components are placed in a sealed stainless steel shell and shall not be affected by external environment to ensure high reliability and safety requirements. In addition, it can be configured as customized automation solution to realize intelligent control.
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This GIS industrial switchgear is designed in high degree of standardization level, easy extension, and convenient combination. The left and right sides of the airbox unit can be arbitrarily extended through a dedicated bus connector, which realizes diversification of unit combination and extremely meets user demands for diversification of high voltage power distribution.
With its combination of fixed unit compound mode and flexible expansion, the product is suitable for requirements of ring network power distribution or user terminals and meets the requests of various kinds of compact switchgear flexible usage for secondary substations.
The GIS industrial switchgear can be connected with the automatic system through the communication network to implement the remote control, telemetry and remote signal functions of the switchgear, this intelligent online monitoring, and protection solutions ensure the switchgear working in high technology level.
| Ring6 24KV | C-module | F-module | v-module | ||||
| Switch disconnector | Earthing switch | Switch-fuse disconnector | Downstream earthing switch | Vacuum circuit-breaker | Earthing switch/ disconnector | ||
| Rated voltage | kV | 12/17, 5/24 | 12/17,5/24 | 12/17,5/24 | 12/17,5/24 | 12/17,5/24 | 12/17,5/24 |
| Rated frequency 5) | Hz | 50/50/50 | 50/50/50 | 50/50/50 | 50/5 0/50 | 50/50/50 | 50/50/50 |
| Power frequency withstand voltage | kV | 284)/38/50 | 284)/38 /50 | 284,/38 /50 | 284,/38 /50 | 284)/38/50 | 284)/38/50 |
| Lightning impulse withstand voitage | kV | 95/95/125 | 95/95/125 | 95/95/125 | 95/95/125 | 95/95/125 | 95/95/125 |
| Rated normai current | A | 6 30/630/630 | 2001) | 200/200/200 | |||
| Breaking capacities: | |||||||
| -active load | A | 630/630/630 | |||||
| -closed loop | A | 650/650/650 | |||||
| -offload cable charging | A | 140/140/140 | |||||
| -offload transformer | A | 20/20/20 | |||||
| -earth-fault | A | 205/160/160 | |||||
| -earth-fault cable charging | A | 117/91/91 | |||||
| -short-circuit breaking current | kA | see2) | 16/16/16 | ||||
| Marking capacity | kA | 52,5/40/40 | 52,5/40/40 | see2) 5 | 12,5/12,5/12, | 40/40/40 | 40/40/40 |
| Short tirne current 3 sec,3) | kA | 21/16/16 | 21/16/16 | 16/16/16 | 16/16/16 | ||
1) Depending on the current rating of the fuse-link
2) Limited by high voltage fuse-links
3) Maximum rating for bushings Interface C (400 series bolted)
4) GOST version is available with 42kV power frequency to withstand voltage
5) For rated frequency 60Hz de-rating for current parameter needs to be applied
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