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Electrical Engineering Interview Questions
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what is called star connection and delta connection also purpose of this connections?


3 8867

what is exiter winding,stator winding,avr?how it will work?


1 3624

how to make neutral to ground voltage less than 5v? my house is under the high voltage transmission line so,proper grounding using rod salt n coal doesnt help wat i do as i cant operate my computer ..this high voltage cause great problem to the motherboard i already two times replaced my house voltage is coming near to 25 v between ground and neutral.plz kindly post ur answer to my email id ..

3 10462

What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)


why we used servo motor insted of inducation motor?

1 3126

what is IP 55 & IP 54 ?

1 4876

why we used servo motor insted of inducation motor?

1 3249

what is mind in cable



what is different between IP55,IP54 and IP66?

ABB, Global Industries,

2 54661

which technique servo motor tested o.k or faulty ?


1 3591

Please explain me abt PQ diagaram in the power sector.


Pls explain about vfd control?Where it is used, Give some example?


3 5211

what is the design voltage for 6.6KV 2000 KVAR HT capacitor?

1 3250

What is required of exietation to the alternater.

4 5433

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY



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Un-Answered Questions { Electrical Engineering }

Why generation voltage in thermal power plant is between 11kv to 33kv?


What is the difference between isolators and electrical circuit breakers? What is bus-bar?


In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?


Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.


What do you mean by an instrument transformer?


(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)


ROC converges if poles and zeros lie inside a. Origion b. Z=1


What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?


solar energy light efficiency & disadvantages?


Explain thin film resistors and wire-wound resistors


What are the advantages of speed control using thyristor?


What is the distance between each insulator in 33kv transformer and how can it calculate


what is meant by IGBT how they differ from tyristor ?


What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva


What are the roles and responsibilities of electrical engineer in cement plant