Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / saravanan.n
the power factor of acircuit may be defined as:
(1)the ratio resistance and impedance = r/z
(2)the ratio = watts/voltampers=trepower/apparent
power=V x I x cosQ /V X I
(3)the cosine of the angle of lead or lag current from the
applied voltage
| Is This Answer Correct ? | 6 Yes | 5 No |
Post New Answer View All Answers
explain which quantities change in the starting and the and the running condition in induction motor
how we select ac fuse rating of an power inverter???
what is the difference between dry and wet type of 132kV terminations. which one is durable
i need to give section engineer (electrical engineer) for RRB. Please suggest some book
we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.
What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?
why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.
How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
what is proper capacitor placement? How to evaluate capacitor size?
How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...
Advantage of LT panel vs HT panel
