The voltage transformer is a dry transformer made of unsaturated resin casting. It is suitable for voltage, electric energy measurement or relay protection in indoor AC circuits with rated frequency of 50Hz and below 1.14kV.
General:
This type of voltage transformer is a dry transformer made of unsaturated resin casting. It is suitable for voltage and electric energy measurement or relay protection in indoor AC circuits with rated frequency of 50Hz and below 1.14kV. Standard :GB/T 20840.3.
Technical Data
The performance of products is conformed to IEC61869-1:2007, IEC61869-2:2012 commission requirements
Rated insulation level: 12/42/75kV,7.2/30/60
Power factor of load: COSΦ=0.8
Rated frequency: 50Hz, 60Hz
Rated secondary current: 5A or 1A
Rated voltage ratio(A) | Rated output(VA) | Accuracy classes(R) | Max.output(VA) |
380/100 | 5 | 1.3 | 30 |
380-660/100 | |||
660/100 | |||
660-1140/100 | |||
1140/100 |
Drawing
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