Question

A 15kw single phase load connected to an alternator at 230v and a power factor of...

A 15kw single phase load connected to an alternator at 230v and a power factor of 0.6lag. Determine

?minimum alternator rating, current carrying capacity of the cables, minimum kVA rating of capacitor bank to increase power factor to 0.8

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1. A single phase circuit has a load of 500kVa at a power factor of 0.707...
1. A single phase circuit has a load of 500kVa at a power factor of 0.707 lagging. Calculate the kVA of the capacitors needed to improve the power factor to unity 3. When connected to a 120-v(rms), 60Hz power line, a load absorbes 4 kw at a lagging power factor of 0.8. Find the capacitance necessary to raise the pf to 0.9 4. A three phase motor draws 20kva at 0.707 power factor lagging from a 208V source. Determine the...
A 1200 kVA, 2.3 kV, 3-phase, star - connected alternator has a resistance of 0.401 /phase...
A 1200 kVA, 2.3 kV, 3-phase, star - connected alternator has a resistance of 0.401 /phase and a synchronous reactance of 3.21 /phase. If the generator is supplying a load at a power factor of 0.8 lagging and at rated KVA, calculate the change in line voltage at the output terminals of the generator if the load is suddenly disconnected. Assume the speed and the excitation current is to remain unchanged.
A single-phase load consumes 10kW at 0.9 power factor, power factor lagging at 220V.What is the...
A single-phase load consumes 10kW at 0.9 power factor, power factor lagging at 220V.What is the magnitude and phase angle of current drawn from the source? If another single-phase load rated at 10kW and 0.8 leading power factor is connected in parallel to the sources, what is the magnitude of the current drawn? What is the current drawn from Source? Give your answer in polar form.
A Wye-Delta transformer is connected to a 66 kV input three-phase transmission line. Each transformer is...
A Wye-Delta transformer is connected to a 66 kV input three-phase transmission line. Each transformer is rated at 1000 kVA and has a step-down ratio of 8:1. The bank supplies a balance load having a power factor of 0.8 lag with a load current of 70 A. Assume ideal transformer, determine. The primary line and phase voltages The secondary line and phase voltages The secondary line and phase currents The apparent and active power at the load Total kVA capacity...
A single-phase motor takes 8.3 A at a power factor of 0.866 lagging when connected to...
A single-phase motor takes 8.3 A at a power factor of 0.866 lagging when connected to a 230 V, 50 Hz supply. Two similar capacitors are connected in parallel with each other to form a capacitance bank. This capacitance bank is now connected in parallel with the motor to raise the power factor to unity. Determine the capacitance of each capacitor
A three-phase industrial load consists of 136 kW at 0.8 power factor lagging. What size capacitor...
A three-phase industrial load consists of 136 kW at 0.8 power factor lagging. What size capacitor bank is required to correct the power factor to 0.95 lagging
THESE ARE QUESTION FROM THE TOPIC POWER FACTOR IMPROVEMENT FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS PLEASE...
THESE ARE QUESTION FROM THE TOPIC POWER FACTOR IMPROVEMENT FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS PLEASE DO THE QUESTIONS STEP BY STEP AND IN NEAT HAND WRITTING THE ANSWERS ARE GIVEN WITH THE QUESTIONS 1) 1. What should be the kVA rating of a capacitor which would raise the power factor of load of 100 kW from 0·5 lagging to 0·9 lagging    ANS (125 KVA) 2)    A 3-phase, 50 Hz, 3300 V star connected induction motor develops 250 H.P....
The 400 V, 50 kVA, 0.8 power factor leading delta connected synchronous motor has synchronous reactance...
The 400 V, 50 kVA, 0.8 power factor leading delta connected synchronous motor has synchronous reactance of 3-ohm, resistance neglected. It is supplying a 12-kW load with initial power factor of 0.86 lagging. The windage and friction losses are 2.0 kW and the core losses are 1.5 kW. Determine (a) the motor efficiency; the line current; armature current; and excitation voltage. (b) If the flux of the motor is increased by 20 percent determine the excitation voltage; armature current; and...
A 3 phase, 3.3 kV industrial plant has an overall power factor of 0.88 lagging. A...
A 3 phase, 3.3 kV industrial plant has an overall power factor of 0.88 lagging. A 200 kVA synchronous motor is added to the system and is run at zero power factor and slightly reduced rating to provide power factor correction only. The total load is then 350 kVA at unity power factor. It was then decided to run the synchronous machine at its rated kVA and use it as a source of mechanical power, what gross mechanical power would...
A single phase 60 Hz two-winding power transformer is rated at 2400V/240V and 100 kVA. If...
A single phase 60 Hz two-winding power transformer is rated at 2400V/240V and 100 kVA. If an autotransformer is built from this conventional transformer to supply a load at 2400V with supply voltage 2640V. Draw the autotransformer and calculate the voltage, current and apparent power rating of the auto transformer. Also calculate the apparent power rating advantage of autotransformer over conventional transformer.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT