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What size isolator for an 11kW 3 phase motor?
For an 11kW 3 phase motor, you would typically need a isolator with a current rating of at least 18-20 amps per phase. It's important to also consider the starting current of the motor and select an isolator that can handle the motor's inrush current. Make sure to consult with a qualified electrician to determine the appropriate isolator size for your specific application.
How much current per phase will a 18KW motor draw on 415 v?
To calculate the current per phase, use the formula: Current (I) = Power (P) / (Square Root(3) x Voltage (V)). For an 18kW motor at 415V, the current per phase will be: 18,000W / (1.732 x 415V) ≈ 24.5A per phase.
Can a 240 volt single phase motor be supplied with one phase until the other phase is closed without harming the motor?
It is not recommended to supply a 240 volt single phase motor with only one phase until the other phase is closed. This can cause imbalanced current flow, leading to motor overheating and potential damage. It is best to provide both phases simultaneously to ensure proper operation of the motor.
How do you change the connection of single line to 3 phase line of DC motor?
To change the connection of a single-phase line to a three-phase line for a DC motor, typically you would need to use a phase converter or a variable frequency drive (VFD) to convert the power supply. This will allow you to provide the necessary three-phase power to the DC motor for it to operate efficiently and safely. It's important to consult with an electrician or engineer to ensure the proper conversion is done based on the motor specifications.
How do you calculate the phase current when working with a 10kw 3 phase electrical motor?
To calculate the phase current of a 10kW 3-phase motor, you can divide the total power (10kW) by the square root of 3 (approx. 1.732) and then divide that result by the line-to-line voltage. The formula is: Phase Current (Amps) = Power (W) / (√3 x Line-to-Line Voltage (V)).
How does the 3-phase induction motor acts like 2-phase induction motor if a phase is disconnected from supply?
yes the motor will run but will draw more current and the torque will be not constant means not smooth due to unbalanced current
How many percent will be the starting current for motor?
Motor starting current is typically 5-7 times the rated current of the motor. (For three phase induction motors)
What should be the current of siemens 75 kw motor at no load?
starting current of 3 phase 75 KW induction motor
What would be the horse power required in a 3-phase motor to replace a .5 horsepower single phase motor.?
You still need the same horsepower. The advantage of the three-phase motor is that it will draw lower current.
What s the role of capacitor in a single phase induction motor?
to start the motor and give more current to motor to run
What is the phase current of a three phase 2.2kw 415v motor connected in star?
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.
Why is a capacitor NOT used in a single phase motor?
Very often a capacitor IS used in a single-phase motor. It provides a phase-shifted current to the starting winding to ensure that the motor runs in the right direction, e.g. clockwise if that is the requirement.
Why one phase shows 0 Amps while a delta connected 3 phase induction motor runs?
Cause 2 phase is applied to the motor and another phase is disconnected ... in this condition ur motor cannot run longer ,it will trip on over current or burn ur motor winding .
Will 3 phase AC motor stay running if you remove 1 phase?
Yes but it will not start. Usually if you lose one phase the current will go higher on the other phases and the motor overload protection will disconnect the motor from the supply voltage.
What is the cable size for 600V 3 phase ac motor?
you need the current of motor or the KW/HP rating
How do you make correct setting for overload of a 3 phase motor?
125 percent of full current rating of the motor
What size isolator for an 11kW 3 phase motor?
For an 11kW 3 phase motor, you would typically need a isolator with a current rating of at least 18-20 amps per phase. It's important to also consider the starting current of the motor and select an isolator that can handle the motor's inrush current. Make sure to consult with a qualified electrician to determine the appropriate isolator size for your specific application.
