answersLogoWhite

0


Best Answer

A megger test is used to look at the insulation properties of motor windings, electric wiring, high power antenna mounts, and other similar items. The voltages are a lot higher than they are with a normal Volt-ohm meter. You will turn the device off and connect it to a source of power. The circuit breaker being testing should be closed and then disconnect the line-side circuit. Connect the output terminals and turn on the test set. Get the desired current and make any necessary adjustments. Then, you will hit the 'start' button and get your readings.

User Avatar

Wiki User

10y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

11y ago

An insulation test is not performed on a megger, but using a megger.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How insulation test is prform on megger?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the output voltage of an insulation tester which is required to test a 230v circuit?

On a hand crank megger which is used to test insulation breakdown, use the 300V setting. If the megger does not have that setting use 500V as opposed to 1000V for the test. The output of the megger is a DC voltage.


What is the importance of Megger test?

Megger tests are important because the test makes sure that your electrical insulation is safe and operating as intended. Megger tests are performed using a Meg-ohmmeter.


What value of tester is to be used for measuring insulation resistance of three phase 600V cables?

The typical test equipment for this is a megger. The megger is connected to two conductors at a time to test the insulation between the two.


What size of wire need to test using megger?

A megger is used to test insulation values. It doesn't have to be wire only. Any device that has electricity flowing through it can have its electrical insulation properties checked to see if there is any current leakage to ground. So to answer your question any size wire's insulation can be megger tested.


How megger produce voltage?

The megger is used to find insulation resistance in any equipement. It will generate around 10kVA power to test.


How do you do a megger test on a current transformer?

The megger test on a generator is usually done to check the insulation factor of a generator. The high voltage is usually used to test the insulation system of a the generator in question. It is recommended to do this test after every six months.


Why break down occurs and getting zero insulation resistance when a megger test is performed under vacuum?

The reason why the break down occurs and getting zero insulation resistance when the Megger test is performed under vacuum is because there needs to be a full test voltage performed. Insulation resistance represents the ratio that is between the applied voltage and the leakage.


What do megger measure?

Megger is usually short for Mega Ohm Meter. It measures high values of resistance with good accuracy. Most often used to test insulation.


How do you test motor for burn?

To test a motor, use a megger (megohm meter) to test the insulation of the internal motor windings. Select a voltage to apply to the motor using an output from the megger that is higher that the operating voltage that the motor operates on.


How do you megger test continuity on a basic lighting circuit city and guilds level 2?

You don't megger test continuity. You test for that with a continuity meter or ohmmeter. "Meggers", as they're often called, produce high voltages to test the integrity of a conductor's insulation.


How do you use a meggar?

A megger is used to test the resistance of high voltage cables, insulation and motor windings. The test employs a megohm meter.


Why do a megger test?

A megger test is done to check the insulation factor of wires or devices. This is to make sure that when the working voltage is applied, a short circuit to ground will not occur due to a problem with the insulation of the device or wire.