315kVA Yb Prefabricated Substation, Combined Box Substation 400kVA American Box Substation

315kVA Yb Prefabricated Substation, Combined Box Substation 400kVA American Box 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

Our vision and mission is to be a top supplier and provide customers with cost-effective solutions of Solid Insulated Ring Main Unit, 11kv Dry Type Transformer, insulated ring main units. We are willing to face every customer with a sincere and friendly attitude, hoping to get the support and love of our customers, and continue to promote each other's development and progress, let us go hand in hand to create a brilliant future! Our eternal and ultimate target is 'create higher value and offer better solutions for our customers all the time'. We gained great popularity because of our responsibility, effectiveness and quality. Dedicated to the development of high-quality, high-end new products is our constant endeavor.

YB pre-installed American substation:

This product puts the high-voltage load switch and high-voltage fuse in the transformer oil, and has two structural forms: the same box or the sub-tank with the transformer body; the oil tank adopts a fully sealed structure, and is equipped with an oil temperature gauge, an oil level gauge, a pressure gauge, Pressure relief valve, oil drain valve and other components to monitor the operating status of the transformer; as an important power supply unit in the cabled distribution network, this product is a complete set of pre-installed products integrating high-voltage control, protection, transformation and power distribution equipment. Used in urban and rural distribution networks.


1. Altitude: ≤1000m; ambient temperature; -25℃~+40℃;

2. Temperature: the highest monthly average temperature +30℃, the highest annual average temperature +20℃;

3. Relative humidity: daily average value is not more than 95%, monthly average value is not more than 90%;

4. Anti-vibration level: horizontal acceleration 0 4m/s, vertical acceleration O 15m/s;

5. The installation site is not violent; there is no serious impact, no serious pollution and chemical corrosion, no conductive dust or explosion hazard.


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

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Through continuous improvement, innovation and development, high-quality products, reasonable prices, and considerate services have made our products the first brand for 315kVA Yb Prefabricated Substation, Combined Box Substation 400kVA American Box Substation users! We are able to provide you with a wide range of high quality hair products at competitive prices. All employees of our company take it as their duty to provide convenience for customers and strive to create greater value for the market.

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