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Electrical Troubleshooting Quiz
2013-02-25 22:01:00| Electrical Construction & Maintenance
Last month, a 200 hp motor started blowing fuses every few days. It's on its own branch circuit with no other loads. This motor runs only occasionally. It turns the compressor of a supplemental plant air system, charging a supply tank to 400 psi. It starts when pressure drops to 50 PSI. If plant air pressure drops below the main compressor's ability to keep up, the tank supplies 40 psi to the plant air system. The fuses are the correct size and the same size used prior to this problem. There's no evidence of a fault, so why do those fuses keep blowing? read more
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electrical troubleshooting
Category:Construction and Maintenance