Megger is a combination of.
Megger diagram. Your email address will not be published. Name email. Connection diagram of megger for testing.
If we draw a schematic diagram showing all insulation resistances as resistor symbols what we have looked like this. October 21 2019 at 8 38 am vijay. The voltage coil v 1 is passed over the magnet connected to the generator.
Enter your email below to receive free informative articles on electrical electronics engineering. The construction of the megger is shown in the figure below. For good insulation the resistance usually reads in the megohm range.
The megger insulation tester is essentially a high range resistance meter ohmmeter with a built in direct current generator. The generator can be hand cranked or line operated to develop a high dc voltage which causes a small current through and over surfaces of the insulation being tested fig. Used for insulation resistance measurement.
The megger has one current coil and the two voltage coils v 1 and v 2. Megger makes electrical test equipment to help you install improve efficiency and extend the life of electrical assets and cable networks at high medium and low voltage. The megger insulation tester is a small portable instrument that gives you a direct reading of insulation resistance in ohms or megohms.
Electrical4u is dedicated to the teaching and sharing of all things related to electrical and electronics engineering. Megger working principle is based on the working principle of moving coil instruments which states that when a current carrying conductor is placed in a magnetic field a mechanical force is experienced by it. June 16 2020 at 4 44 pm.
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