How to take Vector group test of Transformer?
Answer Posted / balaji
1) Can i know why we are making short of any phase during vector group test ?
for Example R-r,Y-y Like that
2) while doing the vector group why the neutral earth should be removed ?
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing
what is the maintaining Cf in UPS.
how to select fuse rating for a 3-phase motor ???
. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?
Any Electrical Engineering jobs?Please refer for interviews. Thank you
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?
WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?
What is the universal motor?
What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.
A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U
what clearance required for 4.5 mva dry type transformer?
What is a slack bus?
What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.