Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem.
how can we notice this is the respective phase?

Answer Posted / jitender

we can check the continuity of same phase or by meggar

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to decide cable tray size?

713


DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

1583


what is mean by transition resistance of transformer?

3954


How vfd saving power.

1532


What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1011






how flow current in 220 kv line to line

1540


what is excitation/

1722


When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

1644


HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

1779


Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

1611


What is the main cause of magnetism?

1581


how we can calculate chiller required ampear?

1590


Comment on the working principle of operation of a single-phase transformer.

700


could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

1586


how can you size an automatic voltage regulator?

1865