in star connected 4wired transmission system ,what happen if the neutral is grounded . or not grounded. which is significant and y
2 4823What 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,
1 2075Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?
1 2068Is 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?
1 2119Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
1 2170What are the disadvantages if neutral current exists in grounded star transformer distribution system?
1 5751What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
1 1981What 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 26801What 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.
1 2181What is the difference between LT CT & HT CT?Can we use indoor type transformer as an outdoor type or vice versa?
Bhel,
2 11586Post New Electrical Engineering Questions
What products have you designed which have entered high volume production?
IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com
pls someone send me sample question papers along with the key.thanks in advance
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS
DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2
compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor
PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.
Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason
What was your role in the silicon evaluation/product ramp? What tools did you use?
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
