oil sample dielectric test gives the insulation rupture voltage at 26 kv. is this transformer safe to be operated . The working voltage is 11 kv
2 4780We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?
1 5508HARMONICS ARE ALWAYS IN INTEGER LIKE 2ND OR 3RD HARMONICS,NOT IN FRACTION LIKE 0.5 HARMONICS.....????????
2 4727what is resonance in electrical circuit and its effect? where we get high resonance and low resonance?
1 3402what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?
HAL,
1 2576E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.
JLL,
1 4419Post New Electrical Engineering Questions
i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com
compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor
ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH
DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER
what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer
Define the overload capacity of the motor?
As i want some model question paper in basic computer science and history please send me immediately sir
If not into production, how far did you follow the design and why did not you see it into production?
Electrical Engineering
Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
What are the different methodes for calculating the short circuit Current?
What the main causes of transient interruptions on Over-Head Distribution Lines?
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
all the technical question with answers pleas send your email id ramar_eee@yahoo.com