why dc moter are not earthed ????
Answers were Sorted based on User's Feedback
Answer / sakthivel
your question is not correct, all electrical apparatus
should be earthed, example is in our mixer motor are also a
universal motor it must run dc and ac , another way please
give example( vanthni@yahoo.com)
| Is This Answer Correct ? | 10 Yes | 3 No |
Answer / harpreet
EARTHING IS MUST FOR EVERY ELECTRICAL EQUIPMENT,FOR
PORTECTION LIKE SWITCH GEAR & HUMAN BEINNG
| Is This Answer Correct ? | 1 Yes | 2 No |
while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends
what is the difference between 11kv and 13.8 kv? why we can't used one of these 2 sources?
what is conductor constant taken for calculation of voltage regulation of 11 kv and 33kv line on dog aor rabbit conductor
1 Answers CSPDCL-Chhattisgarh State Power Distribution Company Limited,
When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?
what does the regenerative braking mean?and how it used for Dc motor? thanks.
What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......
why would amp draw on neutral wire be as much as amp draw on the hot leg.
why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??
ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†
briefly explain principle of resistance welding
what is the difference between KW and KVA?
How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)