can u please tell me how VFD(variable frequency) drive is used as a energy saver....?12 10710
Can u tell me the name of books of transformer testing?6 5662
what do you know about electrical15 6874
Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection6 13165
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible505
how to measure earth resistance of a substation
When the DG is running at the time we can connect to capacitor banK? why it is required or not
what material is the electrical housing wire made of? is there any difference for the telephone lines?
Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason
What if the difference beween internal and exrteranal LBB?
In how we connect watt meter for open & short circuit test of a single phase transformer.
What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?
WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB
Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?
at which voltage level arcing ground is occurs ??????????
What is the difference between rated and per unit in transformer?
what is the use of expulsition protective gap in 11Kv line.
what is the use of power transformer in GSS.