what are the needs of electrical earthing.... other than
protection?
Answer Posted / eduardo
None.
In the power transformer is useful only for having a
reference of the power voltage relating to the earth.
We can calculate for instance the degree of isualtion we
need. For example, an electrical cabinet, that is connect to
the earth, (they do not lies in the air) and have lives
conductor.
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp
i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh
To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?
if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required
What is gross error?
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.
in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}
Why we use auxillary relay ? what is function of differential relay, directional o/c relay?
How CFL &T5 tube light glows?
How colour picturetube works & how many year it will works.
How we can defined theecopper cable size if we know the aluminium cable size?
What are n circles?
how can we say that stator magnetic field rotates with synchronous speed?can we derive?