Pre-Assembled 1250kVA Compact Power Distribution Substation

Pre-Assembled 1250kVA Compact Power Distribution Substation

Pre-installed Transformer Substation description AC metal closed type shift switch cabinet is a three-phase AC 50HZ indoor device metal-enclosed switchgear, used in power plants and substation systems with a rated voltage of 35kV, a rated maximum current of 2000A, and a single bus or section...

Description

The company values the concept of making accurate and high-quality fixed metal enclosed switchgear, Switchgear RMU, control switchgear. We are willing to join hands with friends at home and abroad in the pursuit of excellence and create brilliance together! We have advanced production lines and testing equipment, adhering to the principle of quality first, customer first, and strive to achieve mutual benefit and win-win situation. We insist on building a brand with integrity, expanding the market with service, and promoting development with innovation. We are steadily advancing the global strategy to survive and develop, with customers all over the world.

Pre-installed Transformer Substation description

AC metal closed type shift switch cabinet is a three-phase AC 50HZ indoor device metal-enclosed switchgear, used in power plants and substation systems with a rated voltage of 35kV, a rated maximum current of 2000A, and a single bus or section with a maximum voltage of not more than 40.5kV Busbar sets of power distribution equipment.

The switchgear meets the requirements of DL/t404-91, IEC298, GB3906 and other standards, and has the functions of preventing misoperation of the circuit breaker, pushing the trolley with load, grounding wire, power transmission with grounding wire and accidental charging. Interval (called "five preventive measures").

Box-type substations are suitable for residential areas, urban public transformers, prosperous urban areas, and building electricity. Users can choose box type changes according to the conditions of use and load level. Since the advent of the box-type substation, it has developed rapidly. In developed countries, 70% of distribution transformers have been developed, while the United States has accounted for 90%. The rapid development of China's urban modernization and the transformation of urban distribution networks will be widely used.

Box-type substations are used in high-rise residential buildings, luxury villas, square parks, residential areas, small and medium-sized factories, mines, oil fields and temporary buildings to receive and distribute electricity in the power distribution system.


Pre-installed Transformer Substation

Intelligent Box Type Substation

Box Type Power Distribution Substation


Main technical parameters

HV unit

Rated frequency

Hz

50

Rated voltage

kV

7.2 12 24 40.5

Rated current of main bus

A

630 1250 1600

Rated short-time withstand current / duration

kA/s

20/4 25/3 31.5/4

Rated peak withstand current

kA

50 63 80

1min power frequency withstand voltage (to-ground/between open contacts)

kV

32/36 42/48 65/79 95/115

Lightning impulse withstand voltage (to-ground/between open contacts)

kV

60/70 75/85 125/145 185/215

Rated short-circuit breaking current

kA

20 25 31.5

Ground loop short-time withstand current / duration

kA/s

20/2 20/4

Rated short-circuit making current of main loop

kA

50 63 80

Rated active load breaking current

A

630

Rated closed loop breaking current

A

630

Rated transfer current

A

1700

Mechanical life peroid

times

3000 5000 10000

LV unit

Rated frequency

Hz

50

Rated voltage

kV

0.4/0.23

Rated insulation voltage

V

690

Rated current of main loop

A

100~3200

Rated short-time withstand current

kA/s

30/1 50/1 100/1

Rated peak withstand current

kA

63 105 176

5s power frequency withstand voltage

kV

2.5 3.75

Transformer unit

Rated frequency

Hz

50

Rated voltage

kV

7.2 12 24 40.5/0.4

Rated capacity

kVA

30~1600

1min power frequency withstand voltage

kV

25/20 35/28 55/50 85/75

Lightning impulse withstand voltage

kV

60 75 125 170

Impedance voltage

4~6

Tapping range

...

±×2.5% ±×5%

Connection group

...

Y,yn0 D,yn11

Type

...

Oil-immersed type, dry type

Cabinet body

IP code of HV and LV chambers

...

IP33D

IP code of transformer chamber

...

IP23D

Sound level (oil-immersed type/dry type)

dB

≤50/55

Box Type Prefabricated Substation

Please just contact us if you need

Customer recognition is the prerequisite for our development so that we are committed to providing customers with quality Pre-Assembled 1250kVA Compact Power Distribution Substation and satisfactory services. With the joint efforts of all staff and the support of customers, our company has developed into an enterprise with a certain scale and advanced management in China. Our products are widely used in many industrial fields.

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