Transformer Rectifier Testing for Traction Applications: TRU Design Tests

Range:

Up to 34.5kV – 3 phase, 60Hz. Controlled and uncontrolled rectifier types. Standards such as IEEE1563.2 and ANSI 34.2

• Current balancing
• Temperature rise and load test
• Heavy-duty and Extra Heavy-duty overload cycles
• Rated voltage tests up to 2.5MW
• Harmonic analysis
• Audible sound
• Voltage regulation, efficiency, power factor and load loss calculations
• TRU Bolted Short Circuit
• Rectifier dielectric tests

Transformer Tests:

Standards including but not limited to Per IEEE C57.12.90 and C57.12.91

Powertech has capabilities to test both single phase and 3 phase transformers up to 4.5MVA

• Polarity, Phase relation, Ratio, Dissipation factor and resistance measurements
• Partial discharge
• Commutating reactance
• Dielectric Tests: Applied, Induced and Impulse tests
• No load, load loss, impedance voltage
• Short circuit tests
• Temperature rise tests
• Audible sound measurement tests

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