HVDC power transmission systems / K. R. Padiyar.

Format:

Book

Author/Creator:

Padiyar, K. R., author.

Language:

English

Subjects (All):

Electric power transmission--Direct current.

Electric power transmission.

Electric power transmission--Alternating current.

Physical Description:

1 online resource (424 p.)

Edition:

Second edition.

Place of Publication:

Kent, [England] : New Academic Science Limited, 2013.

Language Note:

English

Summary:

Emerging technology of VSC-HVDC links is described in detail Presents new developments such as application of hybrid active filters, capacitor commuted converters, double and triple tuned filters etc. Several examples and case studies are included to illustrate concepts.

Contents:

Cover

Preface to the Second Edition

Preface to the First Edition

Acknowledgements

Contents

Chapter 1 DC Power Transmission Technology

1.1 Introduction

1.2 Comparison of AC and DC Transmission

1.2.1 Economics of Power Transmission

1.2.2 Technical Performance

1.2.3 Reliability

1.3 Application of DC Transmission

1.4 Description of DC Transmission System

1.4.1 Types of DC Links

1.4.2 Converter Station

1.5 Planning For HVDC Transmission

1.6 Modern Trends in HVDC Technology

1.7 Some Operating Problems

1.8 HVDC Transmission Based on Voltage Source Converters

References and Bibliography

Chapter 2 Line Commutated and Voltage Source Converters

2.1 Introduction

2.2 LINE COMMUTATED CONVERTER

2.2.1 Analysis of Graetz Bridge Neglecting Overlap

2.2.2 Choice of Converter Configuration for any Pulse Number

2.2.3 Analysis of a 12 Pulse Converters

2.2.4 Effect of Finite Smoothing Reactor

2.3 Voltage Source Converter

2.3.1 Basic Two Level (Graetz Bridge) Converter

2.3.2 A Three Level Voltage Source Converter

2.3.3 Pulse Width Modulation

References and Bibliograpy

Chapter 3 Analysis of HVDC Converters

3.1 Introduction

3.2 Analysis of Line Commutated Converter

3.3 LCC Bridge Characteristics

3.4 Characteristics of a Twelve Pulse Converter

3.5 Detailed Analysis of Converters

3.6 Capacitor Commutated Converter

3.7 Analysis of a Voltage Source Converter

Chapter 4 Converter and HVDC System Control

4.1 General

4.2 Principles of DC Link Control

4.3 Converter Control Characteristics

4.3.1 Basic Characteristics

4.3.2 Modification of the Control Characteristics

4.4 System Control Hierarchy

4.5 Firing Angle Control

4.5.1 Individual Phase Control

4.5.2 Equidistant Pulse Control (EPC).

4.5.3 Control Hardware

4.6 Current and Extinction Angle Control

4.7 Starting and Stopping of DC Link

4.7.1 Energization and Deenergization of a Bridge

4.7.2 Start-up of DC Link

4.8 Power Control

4.9 Higher Level Controllers

4.9.1 Frequency and Power/Frequency Control

4.9.2 Stabilization of AC Ties

4.9.3 Emergency Control

4.9.4 Reactive Power Control

4.9.5 Subsynchronous Damping Control

4.10 Telecommunication Requirements

4.11 Control of Voltage Source Convertor

Chapter 5 Converter Faults and Protection

5.1 Introduction

5.2 Converter Faults

5.2.1 General

5.2.2 Commutation Failure

5.2.3 Arc Through

5.2.4 Misfire

5.2.5 Current Extinction

5.2.6 Short Circuit in a Bridge

5.3 Protection against Overcurrents

5.4 Overvoltages in a Converter Station

5.4.1 General

5.4.2 Disturbances on the AC Side

5.4.3 Disturbances on the DC Side

5.4.4 Overvoltage Caused by Internal Converter Disturbances

5.5 Surge Arresters

5.6 Protection Against Overvoltages

5.6.1 General

5.6.2 Overvoltage Protection in a Converter Station

5.7 Protection Against Faults in a Voltage Source Converter

Chapter 6 Smoothing Reactor and DC Line

6.1 Introduction

6.2 Smoothing Reactors

6.3 DC Line

6.3.1 Corona Effects

6.3.2 DC Line Insulators

6.4 Transient Overvoltages in DC Line

6.5 Protection of DC Line

6.5.1 Detection of Line Faults

6.5.2 Protection Against DC Line Faults with VSC

6.6 DC Breakers

6.6.1 Basic Concepts of DC Circuit Interruption

6.6.2 Characteristics and Types of DC Breakers

6.6.3 Applications of DC Breakers

6.7 Monopolar Operation

6.7.1 Ground Electrodes

6.8 Effects of Proximity of AC and DC Transmission Lines

References and Bibliography.

Chapter 7 Reactive Power Control

7.1 Introduction

7.2 Reactive Power Requirements in Steady State

7.2.1 Conventional Control Strategies

7.2.2 Alternate Control Strategies

7.2.3 Forced Commutation

7.3 Sources of Reactive Power

7.4 SVC and STATCOM

7.4.1 Thyristor Controlled Reactor (TCR)

7.4.2 STATCOM

7.4.3 Comparison between SVC and STATCOM

7.5 Reactive Power Control During Transients

Chapter 8 Harmonics and Filters

8.1 Introduction

8.2 Generation of Harmonics

8.2.1 Characteristic Harmonics

8.2.2 Non-characteristic Harmonics

8.3 Design of AC Filters

8.3.1 Criteria of Design

8.3.2 Types of Filters

8.4 Passive AC Filters

8.5 DC Filters

8.5.1 Criteria of Design

8.5.2 Passive DC Filters

8.6 Active Filters

8.7 Carrier Frequency and RI Noise

Chapter 9 Multiterminal and Multi-Infeed DC Systems

9.1 Introduction

9.2 Potential Applications of MTDC Systems

9.3 Types of MTDC Systems

9.3.1 Series MTDC System

9.3.2 Parallel MTDC System

9.3.3 Comparison of Series and Parallel MTDC Systems

9.4 Control and Protection of MTDC Systems

9.4.1 Current Margin Method

9.4.2 Voltage Limiting Control

9.4.3 Decentralized Current Reference Balancing

9.4.4 Two ACR Method

9.4.5 Protection of MTDC Systems

9.5 Study of MTDC Systems

9.6 Multi-Infeed DC Systems

9.7 MTDC Systems Using Voltage Source Converters

9.8 Summary

Chapter 10 Power Flow Analysis in AC/DC Systems

10.1 General

10.2 Power Flow Analysis-An Overview

10.3 DC System Model

10.3.1 Basic Model of the Converter

10.3.2 Converter Equations

10.3.3 A Flexible Per Unit System

10.3.4 DC Network Equations

10.3.5 DC Control Equations

10.4 Solution Procedure.

10.5 Inclusion of Constraints

10.6 A Case Study

10.7 On-Line Power Flow Analysis for Security Control

10.8 Power Flow Analysis Under Dynamic Conditions

10.9 Power Flow Analysis with VSC Based HVDC System

Chapter 11 Modeling and Analysis of AC-DC System Interactions

11.1 Introduction

11.2 System Models

11.2.1 General

11.2.2 Converter Models

11.2.3 Model of Converter Controller

11.2.4 Modeling of DC Network

11.2.5 Modeling of AC Network

11.3 Application of Switching Functions

11.4 System Simulation

11.4.1 General

11.4.2 System Simulation: Philosophy, Tools and Applications

11.4.3 System Studies

11.4.4 Physical Model (HVDC Simulator)

11.4.5 Parity Simulator [35]

11.4.6 Digital Dynamic Simulation

11.4.7 Modeling of DC Systems for Digital Dynamic Simulation

11.4.8 Transient Simulation of DC and AC Networks

11.5 Torsional Interactions with HVDC System

11.5.1 General

11.5.2 Factors Affecting the Phenomenon

11.5.3 Analysis of HVDC-Turbine Generator Torsional Interactions

11.5.4 A Case Study

11.5.5 Control of Torsional Interaction

11.5.6 Torsional Interactions with MTDC Systems

11.5.7 Torsional Interactions with VSC-HVDC

11.6 Harmonic Interactions

11.6.1 General

11.6.2 Harmonic Instability with IPC Scheme of Firing Pulse Generation

11.6.3 Core Saturation Instability [2]

11.6.4 A Generalized Analysis of Harmonic Instability

11.6.5 Harmonic Interactions in VSC-HVDC Systems

11.7 Control Interactions

Chapter 12 Stability Analysis and Power Modulation

12.1 Introduction

12.2 Power System Stability-Basic Concepts

12.3 Power Modulation: Basic Principles

12.3.1 Synchronous Link

12.3.2 Asynchronous Link.

12.4 Practical Considerations in the Application of Power Modulation Controllers

12.4.1 General

12.4.2 Selection of Control Signals

12.4.3 Controller Design

12.4.4 Communication Requirements

12.4.5 Examples of Power Modulation

12.4.6 Gamma or Reactive Power Modulation

12.4.7 Power Modulation in MTDC Systems

12.5 Voltage Stability in AC/DC Systems

12.5.1 General

12.5.2 Explanation of Voltage Stability Problem

12.5.3 Analysis of Voltage Stability in Asynchronous AC-DC System

12.6 Simulation of Electromechanical Transients

12.6.1 Converter Model

12.6.2 Converter Controller Models

12.6.3 DC Network Models

12.6.4 AC/DC System Interface: Simplified Converter Model

12.6.5 Interface Using Detailed Converter Model

12.7 Direct Methods for Stability Evaluation

12.8 Transient Stability Improvement Using DC Link Control

APPENDICES

A: Thyristor and IGBT Valves

B: Derivation of Converter Equations for Transient Simulation

C: Analysis of a Bipolar DC Line

D: Modelling of Synchronous Generator

E: Subsynchronous Resonance

F: Cigre Benchmark Models

G: Design of DC and AC Voltage Controllers for VSC-HVDC Links

H: Abbreviations

Index.

Notes:

Description based upon print version of record.

Includes bibliographical references at the end of each chapters and index.

Description based on online resource; title from PDF title page (ebrary, viewed September 8, 2015).

ISBN:

1-78183-048-7

OCLC:

919481100