GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND
D.C MOTOR
Answer Posted / manoj tyagi
for electrical machines max. eff.
veriable ohmic losses=constant core loss
| Is This Answer Correct ? | 16 Yes | 4 No |
Post New Answer View All Answers
Why does the rotor rotate?
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
what are the basic insulation levels & what its Unit
In CTs tan delta point should be earthed , what is the reason behind it?
What is the reason that the humming sound is coming from the induction furnace panel?
How many types of colling system it trformers?
What are the effects of electrical faults?
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
What are the basic & Majour problems in UPS ?
what is transient stability analysis means?
How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?
how to select rating of HT Panel
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
can any one provide me a connection wiring diagram for a DG set control panel along with BOM?