Two power system areas operating at a nominal frequency of 60 Hz are connected with a tie line, and have the following characteristics: Area 1: R1 = 0.015 pu and D1 = 0.8 pu on a base of 1500 MVA Area 2: R2 = 0.03 pu and D2 = 0.9 pu on a base of 500 MVA The power flow direction on the tie line is from Area 1 to Area 2. Using a common base of 1500 MVA, what is the per-unit steady-state frequency change (Aw) for a load increase of 150 MW in Area 1? Select one: O a. 1.4822 x 10-³ pu O b.-0.8763 x 10-² pu O c. None of these O d. - 1.2677 x 10-³ pu
Two power system areas operating at a nominal frequency of 60 Hz are connected with a tie line, and have the following characteristics: Area 1: R1 = 0.015 pu and D1 = 0.8 pu on a base of 1500 MVA Area 2: R2 = 0.03 pu and D2 = 0.9 pu on a base of 500 MVA The power flow direction on the tie line is from Area 1 to Area 2. Using a common base of 1500 MVA, what is the per-unit steady-state frequency change (Aw) for a load increase of 150 MW in Area 1? Select one: O a. 1.4822 x 10-³ pu O b.-0.8763 x 10-² pu O c. None of these O d. - 1.2677 x 10-³ pu
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 6.61P
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![Two power system areas operating at a nominal frequency of 60 Hz are connected with a
tie line, and have the following characteristics:
Area 1: R1 = 0.015 pu and D1 = 0.8 pu on a base of 1500 MVA
Area 2: R2 = 0.03 pu and D2 = 0.9 pu on a base of 500 MVA
The power flow direction on the tie line is from Area 1 to Area 2.
Using a common base of 1500 MVA, what is the per-unit steady-state frequency change
(Aw) for a load increase of 150 MW in Area 1?
Select one:
O a. 1.4822 x 10-³ pu
O b. - 0.8763 x 10-² pu
O c. None of these
O d. - 1.2677 x 10-³ pu](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F212a3c8e-7c4b-4b58-a2b4-0e0e594f09bf%2F28c84a4f-4c20-405e-a21e-9f18281fd448%2Fljpa4jb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Two power system areas operating at a nominal frequency of 60 Hz are connected with a
tie line, and have the following characteristics:
Area 1: R1 = 0.015 pu and D1 = 0.8 pu on a base of 1500 MVA
Area 2: R2 = 0.03 pu and D2 = 0.9 pu on a base of 500 MVA
The power flow direction on the tie line is from Area 1 to Area 2.
Using a common base of 1500 MVA, what is the per-unit steady-state frequency change
(Aw) for a load increase of 150 MW in Area 1?
Select one:
O a. 1.4822 x 10-³ pu
O b. - 0.8763 x 10-² pu
O c. None of these
O d. - 1.2677 x 10-³ pu
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