Three phase asynchronous ac motor is widely used in industrial and agricultural production due to its simple structure low cost easy maintenance and easy operation. I was doing my trade test motor test task.
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From what you have written then they test as.
3 phase 220v motor connection. Single phase voltages are usually 240 v and three phase voltage better known as line voltage is 415 v and not 480 v as explained below. Now i had to balance the windings i had 213 on u and 10 on v but infinity ol on w windimg. At 17 september 2014 10757 user bulelani wrote.
While three phase devices are usually the more cost effective option the single phase option provides more versatility and can be attractive from a reliability and maintenance standpointif several identical transformers are needed at one location the single phase option can include the purchase of a spare unit to reduce outage time in the event of a failure. I was doing my trade test motor test task. 6 motor capacitors are operation capacitors for single phase induction motors with auxiliary winding and three phase motor in steinmetz circuits.
Here a simple spst switch is used to supply power or not to the fan motor and a regulator is used to controlling the fan speed. 3 phase ac motor uses 3 phase power supply 3 ph 220v 380v 400v 415v 480v etc but in some actual applications we have single phase power supplies only 1 ph 110v 220v 230v 240v etc especially in household appliances. Only going by what i have read the motor looks like it should be wire 2 delta for low voltagei might be wrong but it the motor was a partial wiring then i dont think it can be wired 2y if the motor has 6 coil packs then you should be able to identify them with a ohm meter or light bulb.
This is a simple illustrated circuit diagram of ceiling fanto be noted that the wiring diagram is for ac 220v single phase line with single phase ceiling fan motor. This is basically a question of motor designthere is no straightforward regular relationship between capacitance and the motor size in. When install a motor using capacitor for starting or running methodswe must sizing the rated of capacitor suitable with motor to get correct starting torque and avoid winding from overheating and can cause a damage.
If the motor is designed to run in star a 380v 3 phase power supply then it cannot be connected in delta on the same supply. Now i had to balance the windings i had 213 on u and 10 on v but infinity ol on w windimg. I found out my windis are not da same while doing continuity test with my meter.
At 17 september 2014 10757 user bulelani wrote. That would be the equivalent of applying 380 volt to 220v windings so clearly the motor would fail. I found out my windis are not da same while doing continuity test with my meter.
Since a voltmeter has only 2 and not 3 terminals one shouldnt expect to measure 3220v.
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