Synchrounous motor is three phase motor,but its not self starting .why?22 35483
Clearly Define Active,Reactive,Apparant power.Which applications used which power above metioned power?9 17071
what are the basic concept to design a out door Substation?1 5357
Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?4 13169
how to use single phase supply for a three phase equipement.12 11568
specific gravity of a battery?6 8874
In Ferranti effect,Receiving end voltage is greater than sending voltage,why? can anybody tell me the answer15 35045
how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?5 21624
11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?24 21135
How to know vacuum in vacuum cylinder of breaker in working condition
how does directional relay work incase of ac ?
how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?
How Self works in DG set
What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.
Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially
How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....
TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.
What is the lockout relay
what does mean of RCT and STR in diffrential CT?
what is RFCT and Insulgard Relay & It's function?
How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?