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Transformer rectifier testing

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Tom Stefanski Tomasz Stefanski
Director, KEMA Laboratories Chalfont

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Transformer rectifier testing
Real-world testing to give you and your customers utmost confidence
  • Published:
  • Keywords: Energy, Laboratories

A single failed transformer rectifier can shut down a whole power system and bring vital infrastructure to a halt. At KEMA Laboratories – USA, we test transformer rectifiers under the most realistic conditions possible so you can have maximum confidence in their performance in the real world.

Transformer rectifiers are a key component of many applications such as transit systems. It is vital that they operate reliably. Any failure resulting in interruptions to service will frustrate customers and can lead to financial penalties. While the damage to components can be fixed, the damage to a company’s reputation is potentially irreparable. Service providers need to be confident in a transformer rectifier’s reliability before they install it into their system.

Testing under real-world conditions
Third-party, industry-standard testing is the key to that confidence. DNV GL’s real-world testing provides independent evidence that a transformer rectifier will perform as required time after time. Thanks to the state-of-art facilities at KEMA Laboratories – USA, we are able to test transformer rectifiers under the most realistic conditions possible so you can be assured how they will perform in the field.

For new and existing systems
Transformer rectifiers are a very mature component type, but each application has its customized technical specifications and even minor changes in design, assembly or choice of materials can impact a product’s reliability. So whether for a new system or to replace existing parts, transformer rectifiers should be properly tested before being installed, even if they are similar to or based on a previously qualified design.

Testing capabilities
No rests between tests
We can test transformer rectifiers against all relevant standards and also offer tests that go beyond the standards. In fact, we are the only US lab that can perform overload (RI-9) and short-circuit tests in one sequence. So as the component does not get the time to cool down, the final high-current short-circuit test takes place at a realistic operating temperature.

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