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Can a 230 v 1 np 60hz electric motor run safely with 380 v 3 phase?
Wiki User
∙ 16y ago
SURE IF YOU WILL CONNECT IT CORRECTLY. 1. PROVIDE A SINGLE POLE CIRCUIT BREAKER- MINIMUM 16 AMP 2. CONNECT TO ANY PHASE (R,Y,B) - FROM CB TO THE FIRST TERMINAL OF THE MOTOR OR DOL STARTER IF AVAILABLE. 3. CONNECT THE SECOND TERMINAL IN THE NEUTRAL COPPER BUSBAR - USUALLY ARRANGED WITH TERMINAL BLOCK-UNINSULATED. 4. THIS CONNECTION IS NORMAL FOR COMMERCIAL AND INDUSTRIAL APPLICATION USING LINE TO NEUTRAL FOR SINGLE PHASE LOADS. 5. 220 V OR 230 V IS ATTAINED FROM: 380 V DIVIDED BY SQRT OF 3 6. EQUIPMENT VOLTAGE=230V -- CURRENT=4 AMP ( IF 95% EFF. AND 85% P.F.) 7. SYSTEM VOLTAGE=220V -- CURRENT=4.18 AMP (ACTUAL CURRENT) 8. REFERENCE FORMULA: EQUIP.VOLTAGE DIVIDED BY SYSTEM VOLTAGE X EQUIP. CURRENT.
Wiki User
∙ 16y ago
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How can you run a 440V 3 phase 60Hz motor on a 440V 50hz 3 phase supply?
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What is the result of running a 480 volt 3 phase 60hz motor with 415 volt 3 phase motor?
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What is impact ampere in 50Hz motor connected to 60Hz?
What effect will be there on the motor (Induction) output power when a 100kW 50hz motor is connected to a 60hz power supply.
How do you connect a 230volt 60Hz air conditioning unit with one phase wire to a 240 volt 60Hz two phase south American supply?
Treat the USA 2 Phases as 1, its called split phase, instead of Line and Neutral, you ahve two phases but they deliver 240v, this will not hurt a 230v machine as the chances are that you are NOT getting 240v supply at the delivery point anyway. As long as the machine si 60Hz and supply 60Hz, you will not have a problem
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It will run hotter. It will run slower, about 83% of nameplate speed. It will draw more than the nameplate current. You will only be able to get about 3/4 of rated horsepower. If the motor is loaded to more than this, it will not live very long.
Can you run a 460v 60hz motor to a 480v supply?
The the supply stays within +/- 5% of what the motor is rated for, you can do this.
