Modern trends in transformer testing
The use of Integrated Transformer Test Facilities is slowly and steadily gaining ground in power and distribution transformer industry
The use of Integrated Transformer Test Facilities is slowly and steadily gaining ground in power and distribution transformer industry for conducting routine, type and special tests as per IEC60076.
The integrated transformer test facility (ITTS) is suitable for conducting the following tests:
- No-load loss, excitation current and harmonic current
- Load loss and short circuit impedance
- Temperature rise test
- Zero sequence impedance
- Induced overvoltage and partial discharge (PD) test
- No-load and on-load OLTC operation
- Long duration (LTAC) and short duration AC test (ACSD)
ITTS comprises the following major equipment:
1. Static frequency converter (SFC) duly fitted with sine filter, EMI filter and common mode noise rejection filter, is fully controlled from the PC with controlling and monitoring software instead of MG sets, voltage regulators and associated switchgear.
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