Interested to Buy Any Domain ? << Click Here >> for more details...
Grounding.
Dear all at one of my site we checked the amps at the
earthing cable to the alternator it was found 125 to 130 A.
at the neutal cable in same machine found 146A. in the same
plant checked the earthing current on other alternator it
was 52A, and neutral 116 A. we are facing problems with our
controller and the card was damaged once. can that
neutral/GND current be a reason? as there is common
grounding for the Alternator,Brkr panel,Transformer?
- 2 Answers
- 4047 Views
- I also Faced
- E-Mail Answers
Answer Posted / r.anandakrishnan
First you will check the neutral earthpit resistence values
and high capacity alternator earth to be grounded through
switch.After that you measure the earth and neutral current.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is a diode?
explain the mode of metal iranafer in Co,welding
If I want to buy a new Xformer for my plant what are the main parameter will I need to check?
what is formula to cal cute earth pit numbers and size of earth strip used in earthing?
No load tap changing transformer working
What range of speed can you get with the field control method of speed control of d.c. Shunt motor?
What is the function of the generator exciter?
Why the efficiency of generator is more than motor in swinburne's test
How to calculate the efficiency of Turbo Generator(Alternator) in general....?
why we are using earth pit in sub stations.?
how to calculate vfd o/p voltage by frequency
How do u analyse protection fault when vcb tripping on load
How to calculate the no of Ceiling fan (1200mm sweep) per unit area?
explain transformer ct connection?
(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)
