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Answer Posted / george
soft stater is a kind of motor starter to reduce starting current of a motor. it softly start the motor until the motor operate at his normal RPM.
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In a power conditoining unit (inverter) of a solar plant when we measure the d.c. current fed by different strings of solar plates to inverter, the current in the negative wire is less almost by 1 ampere to the current in its positive wire say current in positive wire 5 A , then current in negative wire of the same string is 4 A. Since the current entering should be equal to current leaving then why the current is noticably less in negative wire.
What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?
Pls explan the OLR setting in VCB at HT yard
In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases
What is the type of feedback used in an op- amp schmitt trigger?
What do you mean by distribution transformers?
What is the difference between isolators and electrical circuit breakers? What is bus-bar?
What is the meaning of Insulation H for transformers????
What are the advantages of the three-phase motor over single phase motor?
Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
Explain RLC circuit?
i want to model paper for section engg.
hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar
why swityard is necessrry requirement in any bis power distributin systems?
