Power factor can be mathematically expressed as:

Related MCQs

• The principal information obtained from load flow studies in a power system are 1. magnitude and phase angle of the voltage at each bus. 2. reactive and real power flows in each of lines. 3. total power loss in the network. 4. Transient stability limit of the system Select the correct answer from the codes given below :
• The power factor angle of a purely inductive circuit is:
• The power factor of capacitive circuits is:
• A circuit having poor power factor will draw:
• The power factor of purely inductive circuits is:
• A 500 kVA circuit drawing 200 kW and an inductive load requires how much capacitance to obtain unity power factor:
• Since most of the industrial loads are inductive type, which of the following will help to correct the power factor?
• Which of the following is an advantages of power factor correction (PFC)?
• Consider the following statements : The transient stability of the power system under unbalanced fault conditions can be effectively improved by 1. Excitation control 2. phase-shifting transformer 3. single-pole switching of circuit breakers 4. increasing the turbine input. Of these statements
• By using which component can the transient stability limit of a power system be improved?