IRZ-500 Two-pump VFD with frequency regulation

IRZ ESP VSDs. Topics migrated from the nasosforum.ru archive.
novomet19871
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IRZ-500 Two-pump VFD with frequency regulation

Post by novomet19871 »

Good day everyone!!!! Tell me who has encountered IRZ-500 Two pump VFD with frequency regulation? We started two pumps on it, after a couple of days of operation, a reason appeared for one pump not to start * Short circuit of the HRC PHASE *, what is the reason and how to get rid of it, tell me?
Изображение WhatsApp 2024-06-30 в 01.39.33_171043bb.jpg
Original topic
Всем доброго времени суток !!!!Подскажите кто сталкивался с ИРЗ-500  Двух насосная станция управления с частотным регулированием ? Запустили два насоса на ней, через пару суток работы появилась причина не запуска одного насоса * КЗ ФАЗЫ СПЧ*, в чём причина и как от неё уйти подскажите ?
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