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HAI,I HAVE 6,60KW MOTOR FEEDERS IN MY MCC PANEL.HOW CAN I DO MY SETTINGS FOR OVERLOAD,SHORTCIRCUIT,GROUNGFAULT,INSTANTANEOUS TRIP FUNCTION IN MY 4000A CIRCUIT BREAKER?
1 3981I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500A load.Can I connect this load directly to the Busbar since I have PROTECTION IN MY MDP Panel ?
4 8064During the troubleshooting of an inoperative shunt generator, you found the voltage to be 2+ volts; what is known from this. Is it (1). odds are the armature is good (2). odds are there is no field current flowing in field windings (3). odds are the armature is bad (4). both 1 & 2 are correct (5). both 2 & 3 are correct
2 6038We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.
1 3924how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.
ONGC,
2387why various test are performed on electrical panels & power cables before commissioning on site & what are these test???
2000I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
3811sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
IOCL,
2214Post New Electrical Engineering Questions
what is cascade speed control device?and how this device control the speed of motors?
Can any body tell gulf interview question for experienced electrical engineer ?
why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc
WHat is the general checks required for Dry type transformers
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
bus bar design conditions and sizing pls tell me quickly
What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
tell me about roaster switch .& what is the function in transmission & distribution?
why occ characteristics of generator is also called as magnatization characteristics ?
can someone explain that how the speed of the protection system affects the fault level calculation?
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?
What is an ideal transformer?
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?
