in star connected 4wired transmission system ,what happen if the neutral is grounded . or not grounded. which is significant and y
2 3689What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..
ABB,
1512Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?
1484Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?
1539Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
1564What are the disadvantages if neutral current exists in grounded star transformer distribution system?
1 4793What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
1422What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.
2 25311What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.
1591What is the difference between LT CT & HT CT?Can we use indoor type transformer as an outdoor type or vice versa?
Bhel,
2 10185Post New Electrical Engineering Questions
What is error of a measurement?
What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?
I WANT BHEL PREVIOUS QUESTION
What are the three constants associated with a steady state error?
What the main causes of transient interruptions on Over-Head Distribution Lines?
how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?
What is the difference between AC and DC injection methods for rotor earth fault protection
On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?
solar inverters was not connected to the nuteral link .this nutwral possible to any other systems
what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?
WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?
WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
How to determine stage of Automatic Power factor controlling Relay(Apfcr)?