Answer Posted / bhavesh jaiswal
A)In three Phase, Make star connection,With resistance in each phase. Show in fig.
RED
| RED;Y;B are Phase
R R Resistance
__R____|......N N Neutral
Y |
R
|
B
For Single Phase, Neutral is taken from transformer.
For Two Phase
RED
| RED;Y are Phase
R R Resistance
Y__R____|......N N Neutral
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
R=*ΒΆ l/a
what is mean by descripiency relay? & wht is its ansi code?
What is Fire Panel ? How it works ?
A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
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?
What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com
What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?
What are the different methodes for calculating the short circuit Current?
Safety of on line ups
IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.
hi can anyone pls tell me the eee interview core questions asked in l&t
What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?
Can we use shunt trip coil instead of trip coil with protection relay for protection?
Explain how you intend to work under pressure to meet up with deadline target?