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 Categories >> Engineering >> Electrical Engineering
 
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Question Asked @ Answers Views     Select
how much earthings are provided for 22KV HT Metering Kiosk    0  2
which type of questions asking for solar companies?    0  2
Tell me about Tesla.    0  4
I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.    0  3
what is shunt trip coil? what was the function in rmu?    1  7
stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate    0  6
How to select the ratio of neutral ct? Is there any relation in between percentage impedance and neutral ct ratio ?    1  7
Which type of alternator used in power station?    1  6
Actually why the transformers ate rated in KVA.?    1  9
What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?    0  6
If our power factor is lagging then who is in profit? I mean consumer or Supplier!    0  7
can we use NPT glands in LT panel    0  8
What is the meaning of loop in transformer    0  8
why Lightening Arrester Probe sharp at Top of telecom tower.    0  10
V.c.b and a.c.b difference    2  13
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Un-Answered Questions
 
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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs! 550
wath is this mining of bts 574
What it the purpose of parallel phasing transfomers?? 374
difference between crane drive and line drive. 315
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm 620
What type of surgery impedence with 200ohs  169
What is domestic transformer? Draw the connection of domestic transformer. 672
How to calculate Voltage regulation of 22 KV Over head Line. 93
open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude? 384
what are the pecularity of shaver sockets ? 337
how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets 546
how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there. 488
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com 559
What test must you do before powering up a circuit that you have been working on? 317
need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm. 254
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