Power System Transient Analysis

Theory and Practice using Simulation Programs (ATP-EMTP)

Eiichi Haginomori, Tadashi Koshiduka, Junichi Arai, Hisatochi Ikeda

• Publisher: Wiley
• Year: 2016
• Print ISBN: 9781118737538
• eBook ISBN: 9781118737453
• Edition: 1
• Topic: Physical Sciences
• Subtopic: Energy

Understanding transient phenomena in electric power systems and the harmful impact of resulting disturbances is an important aspect of power system operation and resilience. Bridging the gap from theory to practice, this guide introduces the fundamentals of transient phenomena affecting electric power systems using the numerical analysis tools, Alternative Transients Program- Electromagnetic Transients Program (ATP-EMTP) and ATP-DRAW. This technology is widely-applied to recognize and solve transient problems in power networks and components giving readers a highly practical and relevant perspective and the skills to analyse new transient phenomena encountered in the field.

Key features:

• Introduces novice engineers to transient phenomena using commonplace tools and models as well as background theory to link theory to practice.
• Develops analysis skills using the ATP-EMTP program, which is widely used in the electric power industry.
• Comprehensive coverage of recent developments such as HVDC power electronics with several case studies and their practical results.
• Provides extensive practical examples with over 150 data files for analysing transient phenomena and real life practical examples via a companion website.

Written by experts with deep experience in research, teaching and industry, this text defines transient phenomena in an electric power system and introduces a professional transient analysis tool with real examples to novice engineers in the electric power system industry. It also offers instruction for graduates studying all aspects of power systems.

Part I
Standard Course-Fundamentals and Typical Phenomena

1
Fundamentals of EMTP

The Electromagnetic Transients Program (EMTP) is a powerful analysis tool for circuit phenomena in power systems. Both steady state voltage and current distribution in the fundamental frequency and surge phenomena in a high-frequency region can be solved using EMTP. Selection of suitable models and appropriate parameters is required for getting correct results. Many comparisons of calculation results and actual recorded data are carried out, and accuracy of EMTP is discussed. Through such applications, EMTP is used widely in the world. EMTP can treat not only main equipment but also control functions. ATP-EMTP is a program that came from EMTP. After ATPDraw (which provides an easy, simple, and powerful graphical user interface) was developed, ATP-EMTP was able to expand its user ability.

1.1 Function and Composition of EMTP

Built-in models in EMTP are listed in Tables 1.1 and 1.2. Table 1.1 shows a main circuit model and Table 1.2 shows a control model. There are two ways to simulate control; one is TACS (Transient Analysis of Control Systems) and the other is MODELS. MODELS is a flexible modeling language and permits more complex calculations than TACS. All statements in MODELS must be written by the user. MODELS is not covered in this book, but TACS is explained for representing control.

Table 1.1 Main circuit model.

Main Circuit Equipment	Built-in Model
Lumped parameter RLC	Series RLC branch
Transmission line, cable	Mutually coupled RLC element, Multiphase PI equivalent (Type 1, 2, 3)
	Distributed parameter line with lumped R (Type-1, -2, -3)
	Frequency dependent distributed parameter line, JMARTI (Type-1, -2, -3)
	Frequency dependent distributed parameter line, SEMLYEN (Type-1)
Transformer	Single-phase saturable transformer
	Three-phase saturable transformer
	Three-phase three-leg core-type transformer
	Mutually coupled RL element (Type 51, 52)
Nonlinear element	Multiphase time varying resistance (Type 91)
	True nonlinear inductance (Type 93)
	Pseudo nonlinear hysteretic inductor (Type 96)
	Staircase time varying resistance (Type 97)
	Pseudo nonlinear inductor (Type 98)
	Pseudo nonlinear resistance (Type 99)
	TACS...

Table of contents

• Cover
• Title Page
• Table of Contents
• Preface
• Part I: Standard Course-Fundamentals and Typical Phenomena
• Part II: Advanced Course-Special Phenomena and Various Applications
• Index
• End User License Agreement