Answer Posted / rakesh jha
A 3-phase transfomer required it's neutral to be grounded.
In delta-delta connection, neutral is not grounded. we use
small star-delta transformer to connect with delta-delta
transfomer and neutral will be grounded.
| Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current
What is different between resistance grounding system and resistance earthing system?
Explain different types of d.c motors? Give their applications
what is ground fault in ACB?
what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY
WHICH SIZE A.B.CABLE IS USED FOR 11KV.
What is the direction of current flow in ct secondary...means if the current is flowing from P1 to P2 then what will be the direction of current flow in ct secondaryw
Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.
What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.
explain PV modules in solar energy generation.
What is the disadventage of gland earthing(power cable) if any. ?
While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens
any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?
how to calculate the torque of a motor?
how to check three phase motor torque value?
