what is the equation of insulating resistance of motor???
why voltage is low at reciving end in summer??
WHY FEEDERS TRIP IN COLD AND FOGY WEATHER?
Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.
i need to give section engineer (electrical engineer) for RRB. Please suggest some book
is it necessarry to charge the battery of ups always??
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
why we use condenser in the thermal power plant, althrough the same vapour will be again heated
What is Diff btw MCP & MCB????
10 Answers Athena, Emerson, Suzlon,
why DC source is used to idetify the polarity of CT/PT?
Why Delta Star Transformers are used for Lighting Loads.
What is Harmonic affects in power system. what is unit of harmonics and how to measure it. how much value should be in power system.
what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
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)