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YB12-0.4 Series Prefabricated Sustation(European Style Box)

  • Introduction
  • Specification
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Brief instruction of transmission substation:

This series substation,rated primary voltage is 40.5kV,rated secondary voltage is 0.4~12kV, three phase AC 50Hz. It is outdoor complete plant. This electrical substation usually using in city, township, factory, oil flied, wharf and so on. Its advantage is complete, small volume, convenient installation, and high integrated automation, safe and reliable and so on.This substation includes high voltage switchgear room, low voltage switchgear room, relay protection room and transformer room.

The transformer room can be close type.

Floor chart:

Floor chart

Wiring schemes:

Wiring schemes of substation distribution

click here for more substation distribution information

No.

Items

Unit

Value



1



Ratedvoltage

Primary


kV

40.5

Secondary

12; 0.69

Subsidiary circuit

V

110; 220; 380


2


Rated current

Highvoltage circuit


A

400~1250

Lowvoltage circuit

630~3150

3

Rated frequency

Hz

50

4

Rated power

kVA

1250; 1600; 2000~20000




5




Rated insulation level


Highvoltage side

Power frequency




kV

95

impact

185


Lowvoltage side

Power frequency

42

impact

75


6


Rated short time withstand current

Highvoltage side




kA

20; 25; 31.5

Lowvoltage side

25; 31.5; 40


7


Rated peak withstand current

Highvoltage side

50; 63; 80

Lowvoltage side

63; 80; 100


8


Insulation level of transformer

Power frequency



kV

65

Impact

185

9

Insulation level of subsidiary circuit

2


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