how to check IR values in alternator winding?
Answer Posted / nithin
Insulation resistance of alternator is checked using a megger and before measuring it the connections to the protective devices like CT,PT and also the connection to the AVR to be disconnected. Then the star connection of the winding to be disconnected ,then we can check IR value
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
how does the thyistor work in dc drive?
How we select the vector group of 3phase power transformer?
distribution transformer de-rating formula on over limit iron losses
1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?
what type of questions are asked and howmwny questions belong this catagory?
Motor,transformers,capacitor tubelight etc....
Draw a block diagramof Three UPS systems connected in Parallel mode?
How to test the Secure Elite 440 Multi function meter working condition.
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor
what is the formula of starting current of 3phase and 1 phase motor???
How can I calculate ISF of current transformer?
Where servomechanism is used?
what is meant by neutral compensation factor and where it is used