Two areas of a power system with characteristics shown in Table Q3.1 are connected via a tie line as shown in Figure Q3.1. R (p.u.) D (p.u.) SB (MVA) i) ii) AREA 1 Tie-line Figure Q3.1 Table Q3.1 Area 1 0.02 0.8 500 AREA 2 The interconnected system is operating in steady state at a frequency of 50 Hz with 100 MW flowing from Area 1 to Area 2 when a step increase of 100 MW in load occurs in Area 1. Following the increase in load in Area 1 and using a 1000 MVA base calculate: The new system frequency in Hz. The new tie line power flow in MW. Area 2 0.04 1.0 1000

Two areas of a power system with characteristics shown in Table Q3.1 are connected via a tie line as shown in Figure Q3.1. R (p.u.) D (p.u.) SB (MVA) i) ii) AREA 1 Tie-line Figure Q3.1 Table Q3.1 Area 1 0.02 0.8 500 AREA 2 The interconnected system is operating in steady state at a frequency of 50 Hz with 100 MW flowing from Area 1 to Area 2 when a step increase of 100 MW in load occurs in Area 1. Following the increase in load in Area 1 and using a 1000 MVA base calculate: The new system frequency in Hz. The new tie line power flow in MW. Area 2 0.04 1.0 1000

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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d)
Two areas of a power system with characteristics shown in Table Q3.1 are connected
via a tie line as shown in Figure Q3.1.
R (p.u.)
D (p.u.)
SB (MVA)
i)
ii)
AREA 1
Tie-line
Figure Q3.1
Table Q3.1
Area 1
0.02
0.8
500
AREA 2
The interconnected system is operating in steady state at a frequency of 50 Hz with
100 MW flowing from Area 1 to Area 2 when a step increase of 100 MW in load
occurs in Area 1. Following the increase in load in Area 1 and using a 1000 MVA
base calculate:
The new system frequency in Hz.
The new tie line power flow in MW.
Area 2
0.04
1.0
1000

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