A two bus system is shown in Fig. 8.8 If 100 MW is transmitted from plant 1 to the load, a loss of 10 MW is incurred. System incremental cost is Rs 30/MWh. Find PG1, PG2 and power received by load if dF dPG = 0.02P+16.0 Rs/MWh dF, dPG2 = = 0.04PG2 +20.0 Rs/MWh G1 PG₁ PG₂ G2 Load Act

A two bus system is shown in Fig. 8.8 If 100 MW is transmitted from plant 1 to the load, a loss of 10 MW is incurred. System incremental cost is Rs 30/MWh. Find PG1, PG2 and power received by load if dF dPG = 0.02P+16.0 Rs/MWh dF, dPG2 = = 0.04PG2 +20.0 Rs/MWh G1 PG₁ PG₂ G2 Load Act

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.52P

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Concept explainers

Z parameter

The Z-parameters that are the impedance parameters of a two-port network are defined by expressing the two-port voltages V1 and V2 in terms of two-port currents I1 and I2. The Z-parameters are calculated by open circuiting one of the two ports at a time henceforth they are called open-circuit impedance parameters.

Question

100%

A two bus system is shown in Fig. 8.8 If 100 MW is transmitted from plant 1 to the load,
a loss of 10 MW is incurred. System incremental cost is Rs 30/MWh. Find PG1, PG2 and
power received by load if
dF
dPGI
dF,
2
dPG2
0.02PG +16.0 Rs/MWh
0.04P2 +20.0 Rs/MWh
G2
of
G1
G1
PG₂
G2
Load
Acti
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Step 1: Introduction

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Step 2: Loss equation

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Step 3: Penalty factor

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Step 4: Economic operation

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Step 5: Determination of required values of plant-1 & 2, and power received by the load

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