A power station is to supply four (4) regions of loads whose peak values are 10 MW, 7.5 MW, 8 MW, and 12 MW respectively. The diversity factor of the loads in the station is 1.5 and average annual load factor is 65%. Calculate the maximum demand on the station and the annual energy supplied from the station.

A power station is to supply four (4) regions of loads whose peak values are 10 MW, 7.5 MW, 8 MW, and 12 MW respectively. The diversity factor of the loads in the station is 1.5 and average annual load factor is 65%. Calculate the maximum demand on the station and the annual energy supplied from the station.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.18P

See similar textbooks

Similar questions

Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in Figure 2.27. (a) Obtain expressions for P12 and Q12. (b) Determine the maximum power transfer and the condition for it to
Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of the load impedance Z=ZZ, find expressions for P and Q, from complex power considerations. (b) Express p(t) in terms of P and Q, by choosing i(t)=2Icost. (c) For the case of Z=R+jL+1/jC, interpret the result of part (b) in terms of P,QL, and Qc. In particular, if 2LC=1, when the inductive and capacitive reactances cancel, comment on what happens.
The voltage v(t)=359.3cos(t)volts is applied to a load consisting of a 10 resistor in parallel with a capacitive reactance XC=25. Calculate (a) the instantaneous power absorbed by the resistor, (b) the instantaneous power absorbed by the capacitor. (c) the real power absorbed by the resistor, (d) the reactive power delivered by the capacitor, and (e) the load power factor.
Under balanced operating conditions, consider the three-phase complex power delivered by the three-phase source to the three-phase load. Match the following expressions, those on the left to those on the right. (i) Realpower, P3 (a) (3VLLIL)VA (ii) Reactive power, Q3 (b) (3VLLILsin)var (iii) Total apparent power, S3 (c) (3VLLILcos)W (iv) Complex power, S3 (d) P3+jQ3 Note that VLL is the rms line-to-line voltage, IL is the rms line current, and is the power-factor angle.
a. What is the unit load per ft2 for the general lighting load of a residence? ____ b. What are the demand factors for the general lighting load in dwellings? ____
A small manufacturing plant is located 2 km down a transmission line, which has a series reactance of 0.5/km. The line resistance is negligible. The line voltage at the plant is 4800V(rms). and the plant consumes 120kW at 0.85 power factor lagging. Determine the voltage and power factor at the sending end of the transmission line by using (a) a complex power approach and (b) a circuit analysis approach.
The annual load duration curve of a power supply system may be considered as straight line from 40 MW to 8 MW. The load factor of the system is ?
Discuss the impact of grid-tied energy storage systems (ESS) on load management and peak shaving in power distribution.
a question by considering the annual load time curve for an electric station as a straight line from 20mw to 3mw, and to cover these loads, then operate three generating units, the first and second, each with a capacity of 10mw, while the third has a capacity of 5mw, and illustrate the load time curve by drawing, then find: 1- the total capacity of the station 2- the maximum demand 3- capacitance coefficient 4- pregnancy coefficient 5 utilizatio
a question by considering the annual load time curve for an electric station as a straight line from 20mw to 3mw, and to cover these loads, then operate three generating units, the first and second, each with a capacity of 10mw, while the third has a capacity of 5mw, and illustrate the load time curve by drawing, then find: 1- the total capacity of the station 2- the maximum demand 3- capacitance coefficient 4- pregnancy coefficient 5 utilization factor
The yearly load duration curve of a certain power station can be approximated as a straight line; the maximum and minimum loads being 40 MW and 10 MW respectively. To meet this load, three turbine generator units, two rated at 20 MW each and one at 10 MW are installed. Draw the load duration curve and determine: (i) Installed capacity (ii) Plant capacity factor (iii) kWh output per year (iv) Load factor.
The yearly duration curve of a certain plant can be considered as a straight line from 300 MW to 80 MW. Power is supplied with one generating unit of 200 MW capacity and two units of 100 MW capacities each. Determine: Installed Capacity, Load Factor, Plant Factor, Maximum Demand and Utilization Factor.