what is pf. how to calculate capacitor bank value to
maintain unity pf.
Answer Posted / rajendra singh
for calculating Capacitor bank value the formula is :
kVAr = KW {tan(cos^-1 Phi e) - tan(Cos^-1 Phi d)}
Where - Phi e = existing Power Factor.
Phi d = Desired Power Factor.
| Is This Answer Correct ? | 42 Yes | 8 No |
Post New Answer View All Answers
1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?
How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)
According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?
why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?
What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)
why we are not giving the zone 1 trip command to the master trip relay
how balanced in star delta connection ?
what is difference between window type and wound type transformers?where we will use window type and wound type transformers?
what is physical distance of isolator to VCB in 33/11kv sub stations
What kind of preventive maintenance are there for transformer?
How many kw will suply from one db
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
What will happen if the voltage in my house drops from 220V to any lower voltage?
A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
what is the circutor?why we use it ?