40.5kv Gas Insulated Metal-Enclosed Switchgear
China 40.5kv Gas Insulated Metal-Enclosed Switchgear, Find details about China Switchgear, Gis from 40.5kv Gas Insulated Metal-Enclosed Switchgear
Basic Info.
Model NO.
KEM-40.5
Application
Three-Phase AC 50Hz 40.5kv Single Double Busbar.
Trademark
XJ
Transport Package
Export Package
Specification
Flexible Configuration
Origin
China
Model NO.
KEM-40.5
Application
Three-Phase AC 50Hz 40.5kv Single Double Busbar.
Trademark
XJ
Transport Package
Export Package
Specification
Flexible Configuration
Origin
China
Product Desciption
Product Description
1.Introduction
KEM-40.5 New Generation Gas Insulated Metal-Enclosed Switchgear is used for three-phase AC single busbar and single busbar section, double-busbar and double-busbar section with a frequency of 50 Hz and a rated voltage of 40.5 kV. It is used to receive and distribute electric energy and control and protect circuits. The rated current received and distributed by the switchgear is at most 2500 A and the interrupt short-circuit current is at most 31.5 kA. It can be widely used in such places as city subways, urban and rural power grids, large industrial and mining enterprises and plateau substations.
2.Features
1)Heat-shrinkable insulation or epoxy coat is used as insulation to optimize shape of the electrode.
2)The switchgear uses imported hot-dip Al-Zn plates processed and formed by CNC machining tool, connected together by high strength bolt nut and rivet nuts.
3)It can be equipped with home-made or imported vacuum circuit breakers meeting needs of different users;
4)All functional cubicles are separated by metal plates fitted with independent pressure release channel.
5)Roll ball lead screw propulsion mechanism is used to make easy movement of the truck.
6)Switchgear structure has strong adaptability.
7)Mechanical interlocking mechanism for avoidance of misoperation
8)Easy operation and maintenance.
3.Main Technical Data
4.Productive Capability
This production plant is one of our production plants special for intelligent switching elements, switchgear, intelligent switching packaged equipment,
automatic passing of the phase separation system, box-type substations,DC field key equipment and other electrical products.This is the largest one-block medium switch factory in China (and even in the world) with the highest degree of automation and the most advanced manufacturing technologies fitted with world-class APG casting equipment manufactured by Germany Heydrich, busbar process equipment manufactured by Germany EHRT, laser welder manufactured by ABB, automatic storage & retrieval system and automatic production lines of products (including medium voltage circuit breaker, high and low voltage switchgear, and ring main unit switchgear).
Plant aerial view
KYN61-40.5 switchgear assembly line
Circuit breaker assembly line
Automatic robot for SF6 inflation and weld
Germany Trumpf L3030 laser cutting machine
Japan AMADA laser cutting machine
Germany WAGNER automatic spraying production line
Finland FINN-POWER sheet metal flexible manufacturing production line
5.Some Outstanding Achievements in National Key Projects
1)Beijing-Tianjin intercity high-speed rail;
2)Alternative route of the Yellow River-crossing project in South-to-North water diversion;
3)Three Gorges project;
4)Beijing Olympic project;
5)CCTV new site substation project.
1.Introduction
KEM-40.5 New Generation Gas Insulated Metal-Enclosed Switchgear is used for three-phase AC single busbar and single busbar section, double-busbar and double-busbar section with a frequency of 50 Hz and a rated voltage of 40.5 kV. It is used to receive and distribute electric energy and control and protect circuits. The rated current received and distributed by the switchgear is at most 2500 A and the interrupt short-circuit current is at most 31.5 kA. It can be widely used in such places as city subways, urban and rural power grids, large industrial and mining enterprises and plateau substations.
2.Features
1)Heat-shrinkable insulation or epoxy coat is used as insulation to optimize shape of the electrode.
2)The switchgear uses imported hot-dip Al-Zn plates processed and formed by CNC machining tool, connected together by high strength bolt nut and rivet nuts.
3)It can be equipped with home-made or imported vacuum circuit breakers meeting needs of different users;
4)All functional cubicles are separated by metal plates fitted with independent pressure release channel.
5)Roll ball lead screw propulsion mechanism is used to make easy movement of the truck.
6)Switchgear structure has strong adaptability.
7)Mechanical interlocking mechanism for avoidance of misoperation
8)Easy operation and maintenance.
3.Main Technical Data
| S/N | Item | Unit | Data | |||||
| 1 | Rated voltage | kV | 40.5 | |||||
| 2 | Rated insulation level | Short-time power frequency withstand voltage | Phase-to-phase, phase-to-ground | 95 | ||||
| Vacuum gap, isolating gap | 118 | |||||||
| Lightning impulse withstand voltage (crest) | Phase-to-phase, phase-to-ground | 185 | ||||||
| Vacuum gap, isolating gap | 215 | |||||||
| Short-duration power-frequency withstand voltage of auxiliary and control circuit | 2 | |||||||
| 3 | Rated frequency | Hz | 50 | |||||
| 4 | Rated current of master busbar | A | …2500 | |||||
| 5 | Rated current of branch busbar | …2500 | ||||||
| 6 | Rated short-circuit breaking current | kA | …31.5 | |||||
| 7 | Rated short-circuit making current (crest) | …80 | ||||||
| 8 | Rated short-time withstand current | Main circuit | …31.5 | |||||
| Earthing circuit | …27.4 | |||||||
| 9 | Rated peak withstand current | Main circuit | …80 | |||||
| Earthing circuit | …68.5 | |||||||
| 10 | Rated short-circuit duration | Main circuit | s | 4 | ||||
| Earthing circuit | 2 | |||||||
| 11 | Insulating gas | N21) | SF62) | |||||
| 12 | Water content of gas chamber | ppm | ≤250 | |||||
| 13 | Annual leakage rate | ≤0.1% | ||||||
4.Productive Capability
This production plant is one of our production plants special for intelligent switching elements, switchgear, intelligent switching packaged equipment,
automatic passing of the phase separation system, box-type substations,DC field key equipment and other electrical products.This is the largest one-block medium switch factory in China (and even in the world) with the highest degree of automation and the most advanced manufacturing technologies fitted with world-class APG casting equipment manufactured by Germany Heydrich, busbar process equipment manufactured by Germany EHRT, laser welder manufactured by ABB, automatic storage & retrieval system and automatic production lines of products (including medium voltage circuit breaker, high and low voltage switchgear, and ring main unit switchgear).
Plant aerial view
KYN61-40.5 switchgear assembly line
Circuit breaker assembly line
Automatic robot for SF6 inflation and weld
Germany Trumpf L3030 laser cutting machine
Japan AMADA laser cutting machine
Germany WAGNER automatic spraying production line
Finland FINN-POWER sheet metal flexible manufacturing production line
5.Some Outstanding Achievements in National Key Projects
1)Beijing-Tianjin intercity high-speed rail;
2)Alternative route of the Yellow River-crossing project in South-to-North water diversion;
3)Three Gorges project;
4)Beijing Olympic project;
5)CCTV new site substation project.
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