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Notícias - Teste de funcionamento

Notícias

  • Teste de relé de proteção trifásica Teste de proteção de relé de injeção de corrente secundária

    Why Do Electrical Engineers Rely on Secondary Current Injection Testers?

    In the field of electrical engineering, ensuring the reliability and accuracy of protection relays is critical for power system safety. Relays act as the first line of defense in detecting faults and preventing damage to equipment. To maintain their effectiveness, testing is essential—and this is where the Secondary Current Injection Tester becomes indispensable. From power […]

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  • Analisador de resposta de frequência de varredura Sfra para teste de deformação de enrolamento de transformador

    O que é um analisador de resposta de frequência de varredura e por que ele é usado em testes de transformadores?

    Transformer reliability is a critical part of power grid stability, and diagnosing internal faults before failure occurs is essential. One advanced diagnostic tool that has gained widespread use in recent years is the Sweep Frequency Response Analyzer. This device is part of a broader class of transformer test equipment that allows engineers to detect winding […]

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  • Porque é que se deve efetuar um teste de resistência de enrolamento DC em transformadores e motores?

    Porque é que se deve efetuar um teste de resistência de enrolamento DC em transformadores e motores?

    Ensuring the health and efficiency of electrical equipment begins with precision diagnostics. Among the most critical tests for transformers and motors is the DC winding resistance test—a fundamental tool used to detect hidden faults, validate design consistency, and extend equipment lifespan. While it’s a relatively straightforward procedure, its value in identifying issues early cannot be […]

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  • Qual é a função do analisador de TC?

    Qual é a função do analisador de TC?

    The need for power system stability and grid accuracy is expanding globally; consequently, the need for reliable instrument transformers and precision testing devices is also increasing. A necessary instrument for the testing setup is the CT Analyzer. What could be the use of this device, and who are the people that can’t dispense with it? […]

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