Published:2011/6/14 12:54:00 Author:Michel | Keyword: Numerical Control, D. C., Regulated Power Supply, Fourteen | From:SeekIC
The numerical control D. C. power-supply circuits-fixed introduced in the example uses single button control means and its magnitude of output voltage are divided into six grades,namely,1.5 V,3V,5V,6V,9V and 12V.Its output power is 20W.Its femature is that open it after cutting off utility power and the output voltage is the lowest voltage,1.5V
Work's Principle of the Circuit
The numerical control D. C. power-supply circuits-fixed is composed of input constant voltage circuit,impulsator,control output or indication circuit and it is showed as the picture5-33.The input constant voltage circuit consists of ,switch,S1,mains transformer,T,rectifier bridge,UR,filter capacitor,C1,C2,current-limiting resistor,RO and voltage regulator diode,VS.
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