INJECTOR PORTÁTIL DE CORRENTE PRIMÁRIA PARA ENSAIO DE DISJUNTORES

INJECTOR PORTÁTIL DE CORRENTE PRIMÁRIA PARA ENSAIO DE DISJUNTORES

Senthuran Rasanayagam

54,06 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
ISBN:
9786207950034
54,06 €
IVA incluido
Disponible

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O injetor de corrente primária é um dispositivo utilizado para tarefas eficientes de comissionamento e manutenção em subestações. Aproxima o equipamento do dispositivo em teste, automatiza o controlo da corrente e requer apenas um operador. Este injetor realiza vários testes, incluindo testes de alta corrente utilizando uma técnica de passagem secundária. Um único condutor passa através do equipamento para transmitir a corrente ao objeto a ser testado, reduzindo o tempo de preparação e eliminando as perdas de energia. A forma de onda de frequência variável gerada digitalmente é fornecida com precisão através de um amplificador de potência, garantindo um funcionamento estável apesar das flutuações de carga e tensão.Os ensaios de injeção de corrente primária são essenciais para grandes instalações eléctricas, como subestações, onde injectam correntes elevadas diretamente em sistemas como os disjuntores. Este teste avalia o desempenho do sistema sob diferentes cargas de corrente, testando particularmente os relés de disparo de sobrecorrente ligados aos disjuntores. Simula condições reais para garantir um funcionamento fiável dos disjuntores, prevenindo potenciais danos catastróficos decorrentes de falhas durante eventos de corrente elevada.

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