Three-Segment PiecewiseLinear Incremental Heat Rat...3.2 Dispatch with Three-Segment Piecewise Linear Incremental Heat RateFunctionGiven: two generating units with incremental heat rate (IHR) curves specifiedas three connected line segments (four points as shown in Figure 3.30).Unit 1:PointMWIHR (Btu/kWh)1007,0008,20020033008,900440011,000Fuel cost for unit 1=1.60$/MBtuUnit 2:PointMWIHR (Btu/kWh)75007700150275390450Fuel cost for unit 2=2.10$/MBtu381008500Both units are running. Calculate the optimum schedule (i.c., the unit megawattoutput for each unit) for various total megawatt values to be supplied by theunits. Find the schedule for these total megawatt values:300 MW. 500 MW. 700 MW, 840 MWNotes: Piecewise linear increment cost curves are quite common in digital com-puter executions of economic dispatch. The problem is best solved by using a"search" technique. In such a technique, the incremental cost is given a value andthe units are scheduled to meet this incremental cost. The megawatt outputs for theunits are added together and compared to the desired total. Depending on thedifference, and whether the resulting total is above or below the desired total, a newvalue of incremental cost is "tried." This is repeated until the incremental cost isfound that gives the correct desired value. Thc trick is to search in an efficientmanner so that the number of iterations is minimized.CS CamScanner - ó ä> guaall

Two generating units with increamental heart rate

3.2 Dispatch with Three-Segment Piecewise Linear Incremental Heat Rate Function Given: two generating units with incremental heat rate (IHR) curves specified as three connected line segments (four points as shown in Figure 3.30). Unit 1: Point MW IHR (Btu/kWh) 100 7,000 200 8,200 3 300 8,900 4 400 11,000 Fuel cost for unitI=1.60S/MBtu Unit 2: Point MW IHR (Btu/kWh) 150 275 390 450 Fuel cost for unit 2=2.10$/MBIU 7500 7700 3 8100 8500 4 Both units are running. Calculate the optimum schedule (i.c., the unit megawatt output for each unit) for various total megawatt values to be supplied by the units. Find the schedule for these total megawatt values: 300 MW. 500 MW. 700 MW, 840 MW

3.2 Dispatch with Three-Segment Piecewise Linear Incremental Heat Rate Function Given: two generating units with incremental heat rate (IHR) curves specified as three connected line segments (four points as shown in Figure 3.30). Unit 1: Point MW IHR (Btu/kWh) 100 7,000 200 8,200 3 300 8,900 4 400 11,000 Fuel cost for unitI=1.60S/MBtu Unit 2: Point MW IHR (Btu/kWh) 150 275 390 450 Fuel cost for unit 2=2.10$/MBIU 7500 7700 3 8100 8500 4 Both units are running. Calculate the optimum schedule (i.c., the unit megawatt output for each unit) for various total megawatt values to be supplied by the units. Find the schedule for these total megawatt values: 300 MW. 500 MW. 700 MW, 840 MW

Introductory Circuit Analysis (13th Edition)

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ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Short Transmission Line

A short transmission line is a transmission line that has a length less than 80 kilometers, an operating voltage level of less than 20 kV, and zero capacitance effect.

Power Flow Analysis

Power flow analysis is a topic in power engineering. It is the flow of electric power in a system. The power flow analysis is preliminary used for the various components of Alternating Current (AC) power, such as the voltage, current, real power, reactive power, and voltage angles under given load conditions and is often known as a load flow study or load flow analysis.

Complex Form

A power system is defined as the connection or network of the various components that convert the non-electrical energy into the electric form and supply the electric form of energy from the source to the load. The power system is an important parameter in power engineering and the electrical engineering profession. The powers in the power system are primarily categorized into two types- active power and reactive power.

Question

Three-Segment Piecewise
Linear Incremental Heat Rat...
3.2 Dispatch with Three-Segment Piecewise Linear Incremental Heat Rate
Function
Given: two generating units with incremental heat rate (IHR) curves specified
as three connected line segments (four points as shown in Figure 3.30).
Unit 1:
Point
MW
IHR (Btu/kWh)
100
7,000
8,200
200
3
300
8,900
4
400
11,000
Fuel cost for unit 1=1.60$/MBtu
Unit 2:
Point
MW
IHR (Btu/kWh)
7500
7700
150
275
390
450
Fuel cost for unit 2=2.10$/MBtu
3
8100
8500
Both units are running. Calculate the optimum schedule (i.c., the unit megawatt
output for each unit) for various total megawatt values to be supplied by the
units. Find the schedule for these total megawatt values:
300 MW. 500 MW. 700 MW, 840 MW
Notes: Piecewise linear increment cost curves are quite common in digital com-
puter executions of economic dispatch. The problem is best solved by using a
"search" technique. In such a technique, the incremental cost is given a value and
the units are scheduled to meet this incremental cost. The megawatt outputs for the
units are added together and compared to the desired total. Depending on the
difference, and whether the resulting total is above or below the desired total, a new
value of incremental cost is "tried." This is repeated until the incremental cost is
found that gives the correct desired value. Thc trick is to search in an efficient
manner so that the number of iterations is minimized.
CS CamScanner - ó ä> guaall

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