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Yangzhou Ke Yu Electric Power Co., Ltd.

Address: No. 97, Zhongxin Road, Automobile Industrial Park, Yizheng City, Yangzhou City
Phone: 0514-87520111

E-mali:keyudl09@126.com
Website: www.keyudl.com

SVR-12 solid insulation vacuum ring net cabinet (compact switchgear)

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General introduction
SVR-12-type insulated vacuum ring network cabinet is my company based on the development of smart grid needs newly developed new medium voltage switchgear. The series of products will switch units and a diversion circuit through the integration of epoxy molding, each ring unit has a three-phase unit, through the full insulation busbar connection, all the first conductive parts are body seal, especially the need to charge SF6 gas.
Ring counter can be configured with three-phase linkage type permanent magnet mechanism or spring mechanism integrated intelligent control and protection unit, which can quickly cut off the fault current and isolate the fault. It has the automation interface of distribution network to meet the requirements of smart grid.
Substation 10kV outlet interval for power system, power distribution switchgear, user demarcation ring counter, user substation, ring switch station, district, road, government, hospital, petrochemical, metallurgy, mining, etc.

 

● IEC60298 More than 1kV 52kV AC metal-enclosed switchgear and control equipment
● GB3906    3.6kV-40.5kV and below AC metal-enclosed switchgear and control equipment
● CB/T 11022   High-voltage switchgear and control equipment standard common technical requirements
● CL/T593 High-voltage switchgear and control equipment standard common technical requirements
● CB1984 High-voltage AC circuit breakers
● GB1985   High-voltage AC isolation switch and grounding switch
● GB/T4208  Enclosure rating (IP code)
● DL/T721 Distribution network automation system remote terminal
● GB/T 17626  Electromagnetic compatibility test and measurement techniques
● GB/T 14598 Measuring relays and protection devices electrical disturbance test

 

Model Description

 

Technical Parameters
Circuit breaker body technical parameters

project

parameter

Rated voltage

12kV

Rated current

630/1250V

Rated (1min) power frequency withstand voltage (phase and ground / fracture)

42/48kV

Rated lightning impulse withstand voltage (phase and ground / fracture)

75/85

Rated short-circuit breaking current

20/25kA

Rated short-circuit current (peak)

50/63kA

Thermal stability current (4s)

20/25kA

Dynamic stability current (peak)

50/63kA

Rated short-circuit current breaking times

30 Times

Rated frequency

50Hz

Degree of protection

IP4X

stroke

12±1mm

Contact distance

9±1mm

Overtravel

3±1mm

Closing time

30-50ms

Opening time

5-25ms

Closing different points

≤2ms

Closing bounce

≤2ms

Average opening speed

1.1±0.2m/s

Average closing speed

0.6±0.2m/s

Mechanical life

10000 Times

Main Circuit Resistance (Unit - Unit)

≤260μΩ

Isolation / grounding switch technical parameters

project

parameter

Rated voltage

12kV

Rated frequency

50Hz

Rated current

630/1250A

Rated 1min power frequency withstand voltage

Isolation switch (phase, relative / fracture):42/48kV

Rated lightning impulse withstand voltage

Isolation switch (phase, relative / fracture):75/85kV

Rated short-time withstand current

20/25kA

Rated short circuit duration

4s

Rated peak withstand current

50/63kA

Mechanical life

2000 Times

 

Use environment
Ambient air temperature:-40℃~+70℃
Work environment humidity:0-95%
Place of work elevation:≤2000 Meter
No obvious corrosive and flammable gas or smoke in the surrounding air.
Users can not meet the above environmental conditions, please contact me.

 

Technical characteristics
(1) Environmental protection, small size (width and height of 400 x 910 x 1620, only 1/4 of the traditional KYN28 cabinet size, weight 200kg, only traditional KYN28 cabinet 1/2) for easy installation;

(2) modular design, installation, commissioning and maintenance convenience;

(3) cell structure for easy expansion, unlimited expansion;

(4) Bus overhead installation easy and easy to expand;

(5) Reliability (institutions, main circuit protection grade P67);

(6) Security (three-phase split, isolated fracture visual, grounding close);

(7) long life, maintenance-free (hot and cold cycles, PD small, airflow channel);

(8) The product can form the demarcation cabinet scheme, has the cable type watchdog function, realizes the user demarcation protection function, and the smart grid connection and the protection

 

 

Typical program

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