Answer Posted / chetan
KVAR Required is
KVAR = P [tan (phi 1) - tan (phi 2) ]
where P = total KW
phi 1 = angle corresponds to power factor to be improved . ie cos ph 1 = 0.9
phi 2 = angle corresponds to power factor given . ie cos ph 2 = 0.7
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m
please send me the previous year's question papers of jindal GET exams
whats the differece between Exd and Exe
ult of expression 'document.FrmQF.myem
When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt
Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
What are linear and non-linear systems?
how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
star delta starter contorl circuit... drawing..
Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?
If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables
What is meant by analogous system?
Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend