Download Transient Stability 2 PDF

TitleTransient Stability 2
TagsElectric Power System Steady State Physical Quantities Power Engineering Electric Power
File Size1.0 MB
Total Pages29
Document Text Contents
Page 1

Transient Stability

©1996-2010 Operation Technology, Inc. – Workshop Notes: Transient Stability

Page 2

Topics

• What is Transient Stability (TS)

• What Causes System Unstable

• Effects When System Is Instabley

• Transient Stability Definition

• Modeling and Data Preparation• Modeling and Data Preparation

• ETAP TS Study Outputs

• Power System TS Studies

• Solutions to Stability Problems

Slide 2©1996-2010 Operation Technology, Inc. - Workshop Notes: Transient Stability

Solutions to Stability Problems

Page 14

Modeling and Data Preparation

Slide 14©1996-2010 Operation Technology, Inc. - Workshop Notes: Transient Stability

Page 15

Modeling and Data Preparation

• Typical synchronous machine data

Slide 15©1996-2010 Operation Technology, Inc. - Workshop Notes: Transient Stability

Page 28

Solution to Stability Problems

• Improve System Design
I h i iIncrease synchronizing power

• Design and Selection of Rotating Equipment
Use of induction machines
Increase moment of inertia
Reduce transient reactance
Improve voltage regulator and exciterImprove voltage regulator and exciter
characteristics

Slide 28©1996-2010 Operation Technology, Inc. - Workshop Notes: Transient Stability

Page 29

Solution to Stability Problems

• Application of Power System Stabilizer
(PSS)(PSS)

• Add System Protections
Fast fault clearance
Load shedding
System separation
Out-Of-Step relayOut Of Step relay


Slide 29©1996-2010 Operation Technology, Inc. - Workshop Notes: Transient Stability

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