How many methods to take IR value of Current Transformer?1 3201
why autotransformers are not safe for supplying low voltage from a high voltage source?5 4891
Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.929
what current is taken from a double wound 500kva transformer4 2717
what is the differn bitween RCCB &MCB3 4040
what is b checks and m checks in diesel generator maintenance?1 598
how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?1 1694
what should be the megger test report for 11KV cable when meggered with 5KV megger , what is the resistance value we should get7 8923
how we can calculate power factor without knowing current in 230v 100w load ?10 8330
WHAT IS RETARDATION TEST IN DC MACHINES?4 14115
What is the List of Equipments, Instruments, Components required in Transmission of electricity from 1 substation to other substation(The equipments required in substation too)? What are the differnt IS standrds used for above equipments in Industry?2 6371
What is the pratically meaning of neagative going ac current.1 1588
Why a transformer is rated in kVA and not in kW??9 6038
my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install2 2137
LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?
what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.
What is meant by time harmonics and space harmonics?
How is the percentage impedence of a transformer fixed at design stage???
hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks
How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?
when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.
can anyone send me some sample question regarding power grid corp
i want all question & answers of the written exam
What is the automatic voltage regulator with servomotor?
Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM