Why should we use Star-Delta connection in step down power
transformers?
Answer Posted / rafeek
question is wrong,
normally we use delta-star connection for step down
transformer to prevent earth faults.
| Is This Answer Correct ? | 0 Yes | 4 No |
Post New Answer View All Answers
why in a swquence network representation, the negetive sequence generated voltage is taken as zero?
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN
If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link
what is the voltages using in movie theaters??? why ??why not other??
what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me
pls tell me function of closing coil of A.C.B.
Why is voltage is required to be within permissible range for an electrical equipment?
How much of the total hydro power potential has been exploited so far in india?
Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.
Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.
in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?
WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.
How can we calculate cable size in Low voltage & high voltage
wat system call?