Compact Secondary Substations
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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 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
Advantages of Compact Substation Transformers
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

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