Varelen Electric Co., Ltd.
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- Varelen - Winding Transformer
Varelen - Winding Transformer
Windings have high mechanical strength and no partial discharge and are non-flammable. The windings are manufactured with aluminium or copper conductors.
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- Transformer Type: cast resin
- Rated capacity: up to 20mva
- Rated voltage: up to 36kv
- Frequency: 50/60Hz
- Phase: 3 Phase
- Winding material: Copper /Aluminum
- Insulation class: F, H, C
- Vector group: Yyn0
- Temperature Class: E2 C2 F1
- Temperature operation: +40~ -60?
- Short circuit resistance: 4-8%( on request)
For each transformer are prepared and issued a test report, in accordance with IEC 60076. except for routine tests, we also offer type tests and specialised tests to meet all customer requirements. We make what matters work for our customers in a safe and reliable way.
Routine test
- Measurement of winding resistance
- Measurement of voltage ratio and check of phase displacement
- Measurement of short-circuit impedance and load loss
- Measurement of no-load loss and current
- Separate-source AC withstand voltage test
- Induced AC withstand voltage test
- Partial discharge measurement
Type test
- Lightning impulse test
- Temperature-rise test
Special test
- Partial discharge measurement
- Measurement of sound level
- Short-circuit test