A- The fuel cost ($/h) for the two generating units in a certain plant are given by: 2 F, = 0.06P, + 8.0P, + 135 and %3D 1 2 1 F, = 0.09P, +7.0P,+165 %3D 2 If both units operate at all times. The minimum load on each of them is P MW where P is the last two digits (from right) of your registration number (i.e for the student that has a registration number 202112396, P =96). The maximum loads on each unit 750 MW. 1- For a total plant load of 2*P, calculate the power supplied by each unit for economically dispatch. 2- For a total plant load of 800 MW, calculate the power supplied by each unit for economically dispatch. 3- For the case of a total plant load of 800 MW, find the saving for the economic dispatch compared with the equal distribution of total load between the two units.

A- The fuel cost ($/h) for the two generating units in a certain plant are given by: 2 F, = 0.06P, + 8.0P, + 135 and %3D 1 2 1 F, = 0.09P, +7.0P,+165 %3D 2 If both units operate at all times. The minimum load on each of them is P MW where P is the last two digits (from right) of your registration number (i.e for the student that has a registration number 202112396, P =96). The maximum loads on each unit 750 MW. 1- For a total plant load of 2*P, calculate the power supplied by each unit for economically dispatch. 2- For a total plant load of 800 MW, calculate the power supplied by each unit for economically dispatch. 3- For the case of a total plant load of 800 MW, find the saving for the economic dispatch compared with the equal distribution of total load between the two units.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

A- The fuel cost ($/h) for the two generating units in
a certain plant are given by:
2
F,
= 0.06P, + 8.0P, + 135 and
1
2
F2 = 0.09P, +7.0P,+165
If both units operate at all times. The minimum load on
each of them is P MW where P is the last two digits
(from right) of your registration number (i.e for the
student that has a registration number 202112396, P
=96). The maximum loads on each unit 750 MW.
1- For a total plant load of 2*P, calculate the power
supplied by each unit for economically dispatch.
2- For a total plant load of 800 MW, calculate the power
supplied by each unit for economically dispatch.
3- For the case of a total plant load of 800 MW, find the
saving for the economic dispatch compared with the
equal distribution of total load between the two units.
B- After load flow solution of a certain 5-bus power
system, it is found that voltages at buses 4 and 5
are: V4 = 0.9311 +j 0.2529 pu and V5 = 0.9411 +j
0.2265 pu.
%3D
If the last row of the (5*5) impedance matrix for this
system is
[jo.1133 jo.1367 jo.1974 jo.3926 jo.2311]
Find voltage at bus 5 after adding a capacitor bank with
a reactance of -j4 pu at bus 4.

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