What is the rating of your capacitor bank at your company.

Answer Posted / vinesh

Power factor is only present in the ac power supply systems. In dc there is no usage of power factor terms. Ac supply is having frequency and potential is alternating with respective to time as such the load on the ac power source is of mix like capacitance, resistance and inductance

Capacitance is offered by ug cables and heater and filament lamps offer the resistive loads and hid and fluorescent lamps offers inductance value

Inductive reactance (xl) and capacitive reactance (xc) is counter each other and resultant effect will reflect in ac system in addition to normal resistance. This cumulative resistive effect is called as impedence.

Now power factor is equel to pf = r/z.

Now if we draw a power circle the you know the differnce of kw and kva is made by kvar that is reactive power if we reduce this reactive power then the kva demand and kw i mean apparent power and actual power will became more or less equal. Now power factor that is quality power.

So we can improve the power systems by adding counter reactive power by adding capacitors in kvar ratings.

Apfc panels are best suitable for proper monitoring as static correction will not perform well in massive load centres as failure and degradation of capacitor is hard to find out and rectify.

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

please send previous exams question papers

1371


is this the formula of building wiring to get the main breaker.Watts/volts*.8%+higher motor*(25%)=ampere. yes or no or send the correct formula for building wiring.

1151


how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

1544


what is Different between Bilinear and Unilenier?

1622


How to measure current and voltage in an ELV circuit

3593






can anyone provide me a amf panel control wiring using ec-2 relay?

1700


How to set the relay,,??

1595


what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

2763


what is the difference b/w pvc cu conductor and cu breaded wire..?

2855


What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

1677


How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1495


Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1609


anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1406


On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

2092


Why field rheostat is kept in minimum position?

682