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In power plants the reading changes abruptly to give value (MW -25) (MVAR -15) What are the reasons for this? What is the solution?
GE,
2 4789What is the maximum allowed kwa through 2.5mm cable. Electric company installed 2 electric meter at my premises . Two jumper wires of 2.5 mm are used to connect . 2 single phase meters with allowable load 6 and 3 kwa. These jumper wires are taken from a 3 phase electric meter. Meters are in open Sun. What max load these wires can take.
KESC,
2168I am new guy as an electrical engr. in a 100MW HFO based power project. I am in operations division. I have noticed from last few days, my supervisor sends the last 24 hours energy generation calculation to my plant manager. I have noticed, he calculated last 24 hour's generated energy differences in KWH then he multiplied it with a multiplying factor 960. for example: total difference =2.685 KWH*960= 2577.6 MWH. but he does not not know what is multiplying factor 960?? can anybody explain it??
1 3698what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??
1 4542what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?
2111A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
3061Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads,
L&T,
4 6640Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ?? the meter is god on other loads. thanks
2 4561what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?
2275Post New Electrical Engineering Questions
Explain how you intend to work under pressure to meet up with deadline target?
What does the letter CTNM in negative phase sequence relay means?
Why collecting electrode of ESP to be earthed
Why synchronous motor is used in power factor improvement,dc series in lift
and gate circuit diagram,amplifier circuit diagram
What happen to generator if i have unbalanced load?
How does a digital electronic meter work??????
Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?
FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?
What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer
why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.
Explain what is electric traction? Explain few advantages of electric traction system?
The shot circuit in any winding of transformer result? Explain
Define thermal resistance in the context of power amplifier.
What is the mechanism of WTI
