Answer Posted / ganeshyeole
1. phase over curtent27.
2. earth fault 27b.
3. unbalance46.
4. 48 locked rotter.
5. start per hour.
6. thermal overload49.
etc.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?
How do we calculate over and under frequency tolerance from generator data?
How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.
Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??
what is the meaning of osr in transformer.
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
What are the significant parts of dc generator?
when we have to purchase the transformer by own i.e how much load will preferred HT connection?
1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?
Can u tell me design of switch yard
difference between semiconductor & conductor & insulator?
What are the advantage of free wheeling diode in a full wave rectifier?
what are symmetrical and non symmetrical components in electrical installation.
What is the polarization index value ? (Pi value)and simple definition of polarization index ?
How it can worked plc based electrical system And which type of software using.