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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 4787What 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,
2167I 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
Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?
what is the difference b/w ATS and HTS?
Describe the test procedure to determine the vector group
explain the Trip supervision circuit
why we use copper earthing for neutral while for body GI.
What are dcs and plc?
how many synchronous motor are there in any power plant
how can see the ac indoor or out door ac which Tr
how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.
bitumar
WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE
Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer
which types of relay used in acb and vcb?
i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls
can we use NPT glands in LT panel
