Compact Secondary Substations

Compact Secondary Substations

Compact Substion is a prefabricated, type tested as per latest IEC standard 62271-202 and CSS is arc tested assembly comprising an enclosure containing medium voltage (MV) switchgear, distribution transformers, low voltage (LV) switchboards, connections and auxiliary equipment to supply low voltage energy from medium voltage systems.
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of compact secondary substations in China. If you're going to buy customized compact secondary substations made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

 

A compact secondary substation is a type of prefabricated substation that is designed to be installed in a limited space or where a traditional substation is not feasible. It is a self-contained unit that integrates various components such as switchgear, transformers, protection and control equipment, and auxiliary systems into a single enclosure. The substation is installed on a plinth, and the transformer is generally mounted on top of the enclosure.

items

Unit

High Voltage Part

 

 

 

 

 

 

 

 

High Voltage Part

Rated frequency

HZ

50

Rated vollag

Kv

6 10 35

Rated current of main busbar

A

630

imin power frequency withstand voltage (to earth andbetween phases disconnecting fracture)

Kv

42/48

Lightning impulse withstand voltage (to earth and between phases/disconnecting fracture)

Kv

75/85

Rated short time withstand current

kA/s

75/86

Rated peak withstand current

KA

63

Rated short time making current

KA

50

Rated transfer current

A

1500

Breaking current of fuse

KA

31.5 40

 

 

 

 

Low Voltage Part

Rated voltage

V

400

Rated current of main circuit

A

100-40000

Rated limiting short circuit breaking ability

kA

80

Rated operating short circuit breaking ability

KA

50

Rated short tine wilbstand current

kA/1s

50

 

 

 

 

Tranaformer

Pated capacity

Kva

50-2000

short-circuitimpendance

%

4 6

Scope Of Branch Connection

 

±2x2.5% ±5%

Vector Group

 

Yyn0 Dyn11

Compact substation transformer

Compact Secondary Substation Salient features
  • Modular construction of enclosure provides high degree of flexibility to meet specific site requirements
  • Fully compartmentalized construction for MV switchgear, transformer and LV switchgear
  • Specially designed ventilation system to suit local climatic conditions
  • Appealing aesthetics
  • Safety ensured for operator, public and environment
  • Low life-cycle cost

Compact substation transformers offer several advantages over conventional substation transformers. Some of the key advantages include:

Space-saving design: Compact substation transformers take up less space than conventional substation transformers, making them ideal for use in areas where space is limited. They can be installed in areas where conventional transformers cannot be installed, such as in urban environments or areas with limited space.

Easy to install: Compact substation transformers are pre-assembled and tested for easy installation. They can be installed quickly with minimal disruption to the surrounding area.

High safety: Compact substation transformers are designed to meet high safety standards. They are equipped with safety features such as short-circuit, overload, and overvoltage protection to prevent transformer damage and ensure safe operation.

Reliability: Compact substation transformers are designed to be highly reliable and have a long service life. They are made of high-quality materials and are rigorously tested before leaving the factory.

Flexibility: Compact substation transformers can be customized to specific requirements. They can be designed to operate at a variety of voltages and frequencies and can be customized to specific environmental conditions.

expore case

 Compact substation

 

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