Beijing Kylin Power & Technology Incorporated Co., Ltd.
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  • Contact Person : Ms. Song Wendy
  • Company Name : Beijing Kylin Power & Technology Incorporated Co., Ltd.
  • Tel : 86-10-62924806
  • Fax : 86-10-62924807
  • Address : Beijing,Beijing,No. 16 Anningzhuang East Road, Haidian District, Beijing
  • Country/Region : China
  • Zip : 100085

24kV Pole-mounted SF6 Loadbreak Switchgear

24kV Pole-mounted SF6 Loadbreak Switchgear
Product Detailed
Related Categories:Power Distribution Equipment
1.Supply products for numbers of transnational corporations. 2.Patent number is ZL 2008 2 0000645.5

24kV Pole-mounted SF6 Loadbreak  Switchgear

Items

Unit

Value

Rated Voltage

kV

24

Rated Current

A

630

Rated Frequency

Hz

50

Rated Breaking Current

A

630

Rated Short-circuit Making Current

kA

50

Rated Short-time Withstand Current/Duration

kA /s

20/4s

Power Frequency Withstand Voltage

Between Phases and towards the ground

kV

65

Across the Isolating Distance

kV

79

Lighting Impulse Withstand Voltage

Between Phases and towards the ground

kV

125

Across the Isolating Distance

kV

145

Mechanical Operation

times

5000

1. About Product

I. Application and Function:

The XGW is a SF6 ring main unit for 12/24 kV secondary distribution network. It is a compact unit combining all MV functional units to enable connection, supply and protection of one or two transformers on an open ring or radial network. With XGW switchgear as switching point, the effect of a fault on the network has been limited.

II. Structure

All MV function units, such as Switch-disconnector, Circuit-breaker, Fuse-switch combination, Bus Sectionalize, Cable connection and MV Metering module, can be integrated flexibly as customer request. XGW switchgear comprises 1 to 6 integrated functional units within the same metal enclosure.

 III. Advantages of Design

1. Ensures personal safety

     1) Internal arc withstand in conformity with IEC 62271-200

     2) Visible earthing

     3) 3 position switchgear for natural interlocking

     4) Dependable position indicating devices.

     5) SF6 Gas Insulated

2. Insensitive to the environment

     1) 304 Stainless steel tank, degree of protection IP67

     2) Disconnectable, sealed, metallized fuse chambers

3. Approved Quality

     1) Conforms to national and international standards

     2) Design and production are certified to ISO 9001:2008

     3) Benefits from the experience accumulated from 20,000 functional units installed

world-wide

4. Economical

     1) From 1 to 6 functional units, integrated within the same metal enclosure for which insulation and breaking take place in SF6 gas

     2) Lifetime of 30 years

5. Maintenance Free

     1) Having maintenance free living parts, sealed for life

6. Rigorous, systematic checks

During the manufacture of each XGW, it undergoes systematic routine tests, the aim of which is to check quality and conform it

     1) tightness check

     2) filling pressure check

     3) opening and closing speed measurement

     4) operating torque measurement

     5) partial discharge check

     6) Dielectric check

     7) Conformity with drawings and diagrams

IV. Applied Standard: IEC60684, IEC60298, IEC60420, IEC60129, IEC60056, IEC60529, IEC56 

2. About Factory

Experience

13 years experience of SF6 Ring Main Unit and more than 20,000 units have been used locally and abroad. The products occupied 32 provincial administrative areas and provided products for numbers of transnational corporations locally. What’s more, had been exported to Vietnam, India, Pakistan etc.

Methods to ensure High Quality

I. Perfect Material

1) 304 Stainless Steel

2) Imported Copper-tungsten alloyed Tulip Contact

3) Imported Silicone Grease: ensured the insulating character of metal

4) The conductive ratio of all the copper material should more than 95.

II. Quality Control

1) The quality control is processed throughout the manufacture. It undergoes systematic routine tests, the aim of which is to check quality and conform it

2) Each set product will undergo strictly systematic routine test before leaving factory;

3) Advanced Test Equipment.

4) Advanced Technology

24kV Pole-mounted SF6 Loadbreak Switchgear



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