What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?764
How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?2500
How to size a transformer which will supply power to 550kW,690V motor starting with VFD?1 2251
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?732
TO operate transformers in parallel, vector symbol of the both should be same.If one transformer name plate is not there, how can we conclude that whether the transformer is having the same vector symbol or not?4 3975
what is the diffrence between voltage and current?11 7494
how to find impedance , mutual indatnce in transmission lines
what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R
Dear Sir, we met a disaster with our 62.5 kva genset, after rewinding we informed by our contract engg that due to return current coming in neutral & impropper earthing this happend. But after all set up & load balance we checked & found again we have about 20 to 32 amp return current on neutral. we have 12 airconditioner + 12 mini fridge on single phase line. Pl suggest any idea to solved this problem3 2044
what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
how to calculate fuse rating for a motor
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
i need the details about bhel exam.how to apply for that.please send to my email@example.com
how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?
why secondary of transformer always grouded?
sir vizag steel ka junior trainee ka paper kitne number ka ayega
How 3 phase invertor works?
Discribe type of fault in DOL and stardelta startor.
witch pump used in wtp
What is the maximum percentage voltage drop (vd%)for a motor control center
what type of questions are asked and howmwny questions belong this catagory?
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated
The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?