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How do you test an electrical motor to see if is electrically faulty?
Wiki User
∙ 12y ago
There is only two test you can do measure on the Ohm scale the resistance at the power connection if there is a reading then it means it's not open but that's not an indication that the motor is Ok, then measure on the MOhm scale between the body of the motor and any of the power connections if there is a reading then the motor have a internal short, the best is to open the motor and inspect it for black spots on the coils your nose is the best test smell it
Wiki User
∙ 16y ago
Wiki User
∙ 12y agoThere is test equipment called a meg ohm meter. The name is shortened to megger. The meter reads ohms in the millions of ohms scale. The megger produces a DC voltage that is selected just above the working voltage of the motor to be tested. This voltage is impressed on to the motor windings. If there is a leakage in the motor winding insulation the reading of the ohm scale will only go so high before it grounds out. The higher the reading , the less the insulation leakage, the better the motor winding condition is. The top end of the scale is infinity or no leakage to ground at all. A runnable motor should be in the 2 to 5 meg ohm range. If a motor has been out of operation for some time the readings will be lower. The heating of the motor when running will tend to drive any moisture out of the windings and if a reading is then taken the meg ohm reading will be significantly higher.
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What is electrical motor type test?
test in lamp
What does a megohmeter or megger test?
It checks resistance from a circuit or an electrical component to earth, to make sure it is electrically isolated. This must be a very high value of resistance, hence 'megohms'.
What is the purpose of the continuity test?
A device to test if wires are electrically connected. Typically a small lightbulb and a battery are used.
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This depends on whether the voltage is AC or DC but an oscilloscope is the tool of choice for seeing voltages and how they change with time.
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What is electrical motor type test?
test in lamp
What does a megohmeter or megger test?
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ould be a faulty sensor or idle control motor. Try a diagnostic test.
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This depends on whether the voltage is AC or DC but an oscilloscope is the tool of choice for seeing voltages and how they change with time.
How do you test motor for burn?
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