Three Phase conversion from KW to Amps, but you have not supplied enough info. Use whatever formula below works with the rest of the data you have.
E =VOLTS P =WATTS R = OHMS I =AMPS HP = HORSEPOWER
PF =POWER FACTOR KW = KILOWATTS KVA = KILOVOLT-AMPS
EFF = EFFICIENCY (decimal)
When P, E and PF are known: P / E x PF x 1.73
When HP, E, EFF and PF are known: HP x 746 / E x EFF x PF x 1.73
When KW, E and PF are known: KW x 1000 / E x PF x 1.73
When KVA and E are known: KVA x 1000 / E x 1.73
A single phase 10 HP motor will draw aproximately 50 amps. A three phase 10 HP motor will draw aproximately 28 amps.
Yes, most large motors are three phase. Usually single phase motors only go up to 10 HP. Larger than this and the wire size and contactors used to control the motors becomes extreme. For example a single phase 10 HP motor on 115 volts draws 100 amps. The same single phase motor on 230 volts draws 50 amps. The same 10 HP motor on three phase system draws the following amperage; 230 volts is a 28 amp draw, 460 volts is a 14 amp draw and 575 volts is a 11 amp draw. As you can see the higher the voltage becomes, the smaller the wire feeder size is needed and much smaller size contactor can be used to control the motor.
Because all electrical supply systems are designed to A specific amperage delivery. If you are set up for 1000 amps 3 phase, That means that you are getting 350 amps each on three legs. If you put all your single phase (110volt) stuff on the same leg and have A total of 300 amps of draw then when you try to use several 110 volt items and A three phase piece you will draw too much power on one leg causing an overload. Even though you may only be using A total of 400 amps. Something will give, Most likely the fuse or breaker.
read the name plate on the motor
The wiring should allow for 115 amps.
This depends on what voltage the range is rated for and if it is single phase or three phase. At 220 volts single phase it is about 60 amps, 240 v single phase , 53 amps and at 480 v three phase about 15 amps.
A single phase 10 HP motor will draw aproximately 50 amps. A three phase 10 HP motor will draw aproximately 28 amps.
21.739 a 21.739 a
24 amps. This could be three 11.54 resistors connected in star, or three 34.6 ohm resistors connected in delta.
8,33 Amps
A 1-HP motor is reckoned to draw 7 amps at 240 v single-phase. The same power of motor would draw 3.5 amps at 480 v single-phase, but a 480 v supply could most likely be a three-phase suppy, and the current in that case would be reckoned as 2 amps.
10 Amps. Amps=Watts/Volts
The line current would be the same if the motor were connected in delta. The current can be based on the rule of thumb which says 7 amps must be allowed for a 1-HP single-phase motor on 240 v. A 2.2 kW motor is three times as powerful, and on a three-phase supply of the same voltage (240/415) it would draw 7 amps.
For a single phase circuit, the equation you are looking for is I = W/E. Amps = Watts/Volts.
The electrical code states that a 30 HP induction motor at 460 volts three phase will draw 40 amps. <<>> I = 33.34 AMPS IF EFF.= 95% AND P.F.= 85%
Each electrical equipment draws a different amperage. Most residential dishwashers draw about six amps. There has to be a specification sticker on the inside of the door of the dishwasher ,which must such information stated on it. Commercial dishwashers could draw sixty amps and be using three phase power!!
Yes, most large motors are three phase. Usually single phase motors only go up to 10 HP. Larger than this and the wire size and contactors used to control the motors becomes extreme. For example a single phase 10 HP motor on 115 volts draws 100 amps. The same single phase motor on 230 volts draws 50 amps. The same 10 HP motor on three phase system draws the following amperage; 230 volts is a 28 amp draw, 460 volts is a 14 amp draw and 575 volts is a 11 amp draw. As you can see the higher the voltage becomes, the smaller the wire feeder size is needed and much smaller size contactor can be used to control the motor.