Question
Download Solution PDFThe supply to the megger is given by
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- Megger is an electrical instrument used to determine the range of resistances between zero to infinity.
- Initially, the pointer is at the infinite position, it gets deflected when an emf is generated from infinity to zero, which depends on Ohm’s law.
- Megger works on the principle of electromagnetic induction.
- A permanent magnet dc generator driven by hand is used as a source of supply to the megger.
- When a primary coil that is carrying current is placed under the vicinity of a magnetic field it experiences a force.
- This kind of force generates a torque that is made to deflect the pointer of the device which gives some reading.
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