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Combined transformer substation
Combined transformer substation

Combined transformer substation 1. HV load switch, fuse 2. other protection elements 3 Low partial discharge

combined HV eletrical equipment, transformer and LV equipement to form a set of distribution substation.

Combined Transformer Substation

A. Summary:

1. Combined transformer substation is the power distribution equipment combining HV electrical   equipment, transformer and LV equipment that is used for city tall building, urban &rural building, residence communities, medium & small factories, mines, oil fields and temporary electrical power construction site. The station’s function is to receive and distribute power energy in power distribution system.

2. Combined transformer substation features compact structure, package unit, safe and reliable operation, convenient maintenance, attractive appearance, high mobility and small size. It can be used as loop net work power distribution system, and also as double-power or radiating terminal power distribution system. It is a new set of equipment for urban & rural transformer substation construction and renovation.

B. Technical data

rated voltage: 10KV-35KV

rated power: 50-2000KVA

rated frequency: 50Hz or 60Hz

ItemUnitH.V.UnitPower Transformer(S11;SG(B);SC(B))L.V.unit
Load SwitchFuse
Rated VoltagekV121210/0.40.4
Rated PowerkVA≤1600
Power Frequency Test VoltagekV/1min42 352.0  2.5
Impulse Test VoltagekV75/85 758
Rated Current(Main Circuit)A630   
Rated Switch CurrentkA31.5
Short Circuit Switch CurrentkA50   
Dynamic CurrentkA20   
Noise LeveldB  <28  <75 
Protect ClassArround the cabinet face is IP43,cover and bottom aboveIP23

Combined transformer substation

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