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180v Dc Motor Control

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2 Threads found on edaboard.com: 180v Dc Motor Control
Hello, I am trying to build a full wave controlled rectifier for 1 HP 180v 5.5A DC motor. Please guide me about how to proceed with design and how to choose which power device to use and what its rating should be? Hi Charukeshi Joglekar Your question seems so general . By full wave you mean SCR controlled velocity (...)
Have a DC(pm type ) motor 180v, Full Load Current ~ 3A (1 HP) I was using a circuit with 555 generating square waves and PWM (modulated) to control speed. Was using IRF250N. When driving a small motor was OK but when using as above the MOSFET was destroyed. Can anybody suggest a snubber ckt for the above combination. (...)


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