I have suguna 3 hp pump for my agreeculture work.It deliver
the water from 45 feet well .I suffered by powercut.During
powercut i got 2phase supply only .My question is can i
run the pump in 2 phase supply using capacitor?.Can u
explain me how to connect the capacitors?
- 2 Answers
- 3680 Views
- I also Faced
- E-Mail Answers
Answer Posted / wareagle
You can also use capacitors to create a "phantom" 3rd phase
from the other 2. This may be what you have seen, but what
you probably didn't know is that this severely robs the
motor of power capacity. The motor runs severely unbalanced
and has a lot of what are called "negative sequence
currents" because of the 1 phase power and because the sine
waves are 180 degrees apart on the 2 "real" phases,
compared to being 120 degrees out on true 3 phase. Negative
sequence current produces negative torque in the motor and
causes heating without doing useful work, meaning that it
will severely overheat under load. For this reason, you
must derate the motor by at least 50%, some even say 66%.
So that means if you have a 15HP motor, you had better not
need more than 7-1/2 or even 5HP out of it if you are going
to do this.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What are the advantages of thermal power plant?
Explain what cmos is and its benefits?
How a capacitor discharge weld power supply works? what is the use of a pulse transformer?
What will be result if we connect LT votage to the terminal of HT motor?
A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____
please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com
i want to know that what is the eligibility critaria for ongc exam?
what is ATS & RING MAIN UNIT in Distribution System?And its Function.
Explain the advantages and disadvantages of hydropower plant?
diff.between servo motor and ac motor
how to determine ct ratio in ht vcb?
How Self works in DG set
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
Which type of questions well asked. ?
Do inductive loads have distorted current waveforms ?
