Grounding transformers

Vacuum pressure Impregnation technology, Insulation class H

Vacuum pressure Impregnation technology

Insulation class H

Reduced equipment damage

Improved reliability

Related product parameters

Main Specification
Power	15kva
Phase	3
Frequency	50HZ
Insulation class	H
Vector group symbol	ZN
Winding material	Copper
Rated voltage	415V
Standard	IEC60076/ANSI

Factory Test

Routine Test

a) Measurement of winding resistance

b) Measurement of voltage ratio and check of phase displacement

c) Measurement of short-circuit impedance and load loss

d) Measurement of no-load loss and current

e) Separate-source AC withstand voltage test

f) Induced AC withstand voltage test

g) Partial discharge measurement

Type Test

a) Lightning impulse test

b) Temperature-rise test

Special Test

a) Partial discharge measurement

b) Measurement of sound level

c) Short-circuit test

Applications

Grounding transformer is suitable for power transmission and distribution systems, hotels, restaurants, hospitals, shopping malls, bank buildings, stadiums, airports, stations especially heavy load centers and places with special fire protection requirements.