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If a 3 phase transformer is a 500 kva using the formulae 500kva= 500000/433 x 1.732 = 666.71amps does this mean that each phase on the secondary side is 666.71
3 9800when an induction motor runs on load.at that time if we reduce the supply voltage the current increases.But when it runs without load,if we reduce the supply voltage the current also reduced.why?.i checked it practically also.
1 3357I have two AC generators, the first rated 2680KVA for 380V/4345A/pf:0.7 and the second rated 3461KVA for 5500V/363A/pf:0.8. I want to parallel the two generator to a bus. The second generator passes through a transformer to down the voltage to 380V and a part of its power goes to another bus so that it's only a part of the total power of the second generator taht goes to the considered bus. I have two Basler DECS100 AVR regulator. How can I make the synchronization ? What others equipments must have ?
CST,
1 2074What is the basis of choice for cement sand plaster in ratio 1:4 and 1:6 on interior walls of a residential apartment.
3 18794i am Ali from Hyderabad,having twice rejected on conference visa(USA),possessing 9 years of teaching experience,my current ielts score is 6 bands and my current age is 34,do suggest me some suitable universities for MBA course in USA,and what are the prospect of getting a visa.
1505plz plz help me "how can i face dell varcent round"....? plzzzzzzzz help me friends.....?
DELL,
1558What is EARTH COUPLING. Have come across,a pnuematic index table Machine is vertical drilling machine made by Chiron GMBH
1713
State assumptions made for analyzing ideal op-amp.
how much percent are used 20mm,10mm?
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
specify the inbuilt protections in DG
Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?
what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct
What are the major disadvantages of product grouping?
Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?
Where is servomechanism used?
give comparison of three wire & two wire sensors.
when the generator running trip by earth current even though engine all so shut down the problem showing gcs waring and emergency trip there after starting always gcs locked out what is the problem [this is cummins qsk 23 electronic controle module governer
Define thermal resistance in the context of power amplifier.
what kinds of Transformer oil grade is better for power transformer ?
What is the cut-off rate?
sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.
