if 20 hp motor starts directly stars and contenious run .
what will be the effect.
Answer Posted / mallikarjuna
Dear all readers so that if we 20hp motor start directly in
star nothing will happen and starting current will
less,suppose if connect to the motor in DOL starter the
starting current is 5-6 times full load the starting
current is around 150 amps ,when we connect to the star the
starting current is 60amps
| Is This Answer Correct ? | 3 Yes | 5 No |
Post New Answer View All Answers
How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........
what is the meaning of vcc
Why neutral cable carry current.
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com
how to find the multiplication factor for digital energy meter and analog energy meter
In dc ckt. 24v or 110v, which one is more efficient and why?
How we can defined theecopper cable size if we know the aluminium cable size?
sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....
What is mathematical model of a control system?
any idea abt REVERSE METERING concept.........?
What is the need for a controller?
why US countries maintains 110v and 60HZ
As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?
what is negative and zero impedance in 3 phase induction motor ??