# Poor power factor?

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Poor power factor?

Poor power factor reduces load handling capability of electrical system, results in more power losses in the electrical system, overloads alternators, transformers and distribution lines, results in more voltage drop in the line.

## Related questions

The main disadvantages of having poor power factors are:  (A) High cost of station and distribution equipment (B) Poor voltage regulation (C) High energy loss in conductor (D) All of the above

The power factor of dielectric :  (A) is a function of temperature of the dielectric only (B) depends only on voltage stress to which the dielectric is stressed (C) always constant (D) both (A) and (B)

What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these

The power factor of a D.C. circuit is always?

The ratio of active power to apparent power is known as____ factor.

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

Power factor of electric bulb is?

The power factor at resonance in R-L- C parallel circuit is?

Power factor of the system is kept high?

Power factor of an inductive circuit is usually improved by connecting capacitor to it in?

Capacitors for power factor correction are rated in?

Power factor of an electrical circuit is equal to?

What is the power factor of purely resistive circuit.

Discuss how power factor tariff results into energy conservation.

Draw and explain bulk correction method for power factor & control.

State the incentives and penalties related with power factor tariff.

With a neat sketch explain working of 1 phase dynamometer type power factor meter.

State the significance of power factor.

A transformer has negative voltage regulation when its load power factor is   (1) Zero (2) Unity (3) Leading (4) Lagging

Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is  (1) 122.8 GWh (2) 198.55 GWh (3) 128.2 GWh (4) 188.82 GWh

In a synchronous generator delivering lagging power factor load  (1) the excitation emf leads terminal voltage by the power angle (2) the excitation emf lags terminal voltage by the power angle (3) excitation emf leads the terminal voltage by the power factor angle (4) excitation emf lags the terminal voltage by the power factor angle

The benefit of power factor correction in a power system is (A) lower power consumption (B) increased demand charge (C) reduced load carrying capabilities in existing lines (D) reduced voltage profile

The power factor angle and torque angle of a salient pole synchronous generator drawing a current of 1.0 pu from a lagging load are 45o and 15o, respectively. The direct axis and quadrature axis currents, respectively, are (A) 0.5 pu, 0.866 pu (B) 0.866 pu, 0.5 pu (C) 0.707 pu, 0.707 pu (D) 0.5 pu, 0.5 pu

A synchronous motor has better power factor as compared to that of an equivalent induction motor. This is mainly because?

Minimum voltage regulation occurs when the power factor of the load is?

Can a synchronous condenser improve power factor?