英文翻译

Preface(前言)
China's power industry as the most important source of energy industry, has been in a position of priority development, electric power enterprises is also remarkable. The rapid development of power system protective relaying constantly to new demands, but also makes possible the rapid development of relay protection.
This book introduces the design principle of relay protection 35KV. The book is divided into 5 chapters. Chapter 1 Introduction, Chapter 2, following the relay unit generator transformer, Chapter 3 3 35KV transmission line protection configuration setting, Chapter 4 of the imbalance 35KV transmission line short-circuit configuration setting. Chapter 5 Protection of the system configuration diagram
Setting the book in general is a universal principle, but, due to the form and the principle of relay protection is continually updated, that is, by induction, to the progressive development of electromagnetic integration, computer-style, by a single volume of a single component to the development of multi-component composite Therefore, setting the development and changes also should be pointed out that the relay setting is a phase systems engineering, system architecture based on the different operation mode of the different relay in the meet the "four" in the premise of good programs.
At the time of writing this book the process by guiding Mr.Cai（男的女的我不知道啊）, would like to express sincere gratitude to.
Due to the level of preparation of staff and limited practical experience, the preparation time, the shortcomings and errors in your teacher changes.
Editor（编者）

Key words: current protection, zero-sequence protection, setting

Abstract

preface

China's power industry as the country's most important energy industry, is developing status and development of electric power enterprise is remarkable. The rapid development of electric power system of relay protection continuously, also make the new requirements to the rapid development of relay protection.
This book is mainly introduces design principle of 35KV relay protection. This book is divided. Chapter 1, 2 introduction ZhangJiFa motor transformers relay protection unit, chapter 3 3 35KV transmission line protection setting, chapter 4 35KV power transmission lines of unbalanced allocation of short-circuit setting. Chapter 5 of the protection configuration diagram for the system
In this book the setting principle is generally general, but, owing to the protection of the form and principle, namely in constantly updated by induction, and gradually developed into assolenoid style, microcomputer type, single quantity by a single element to compound quantity, consequently, multi-element development has the change, ought to point out, relay protection setting is a systems engineering, according to the structure of the system, operation mode in the different protection "four" is the premise.
In the process of writing this book by CAI, teacher's guidance, make in the.
Due to the writing personnel and practical experience level which limit, write the haste, shortcomings and mistakes please the teacher changes
editor

Keywords: current protection, zero sequence pilot protection, setting

ntroductive
China's power industry as the country's most important energy industry, is developing status and development of electric power enterprise is remarkable. The rapid development of electric power system of relay protection continuously, also make the new requirements to the rapid development of relay protection.
This book is mainly introduces design principle of 35KV relay protection. This book is divided. Chapter 1, 2 introduction ZhangJiFa motor transformers relay protection unit, chapter 3 3 35KV transmission line protection setting, chapter 4 35KV power transmission lines of unbalanced allocation of short-circuit setting. Chapter 5 of the protection configuration diagram for the system
In this book the setting principle is generally general, but, owing to the protection of the form and principle, namely in constantly updated by induction, and gradually developed into assolenoid style, microcomputer type, single quantity by a single element to compound quantity, consequently, multi-element development has the change, ought to point out, relay protection setting is a systems engineering, according to the structure of the system, operation mode in the different protection "four" is the premise.
In the process of writing this book by CAI, teacher's guidance, make in the.
Due to the writing personnel and practical experience level which limit, write the haste, shortcomings and mistakes please the teacher changes
editor

Keywords: current protection, zero sequence pilot protection, setting

Preface
China's power industry as the most important source of energy industry, has been in a position of priority development, electric power enterprises is also remarkable. The rapid development of power system protective relaying constantly to new demands, but also makes possible the rapid development of relay protection.
This book introduces the design principle of relay protection 35KV. The book is divided into 5 chapters. Chapter 1 Introduction, Chapter 2, following the relay unit generator transformer, Chapter 3 3 35KV transmission line protection configuration setting, Chapter 4 of the imbalance 35KV transmission line short-circuit configuration setting. Chapter 5 Protection of the system configuration diagram
Setting the book in general is a universal principle, but, due to the form and the principle of relay protection is continually updated, that is, by induction, to the progressive development of electromagnetic integration, computer-style, by a single volume of a single component to the development of multi-component composite Therefore, setting the development and changes also should be pointed out that the relay setting is a phase systems engineering, system architecture based on the different operation mode of the different relay in the meet the "four" in the premise of good programs.
At the time of writing this book the process by guiding Mr.Cai（男的女的我不知道啊）, would like to express sincere gratitude to.
Due to the level of preparation of staff and limited practical experience, the preparation time, the shortcomings and errors in your teacher changes.
Editor（编者）

Key words: current protection, zero-sequence protection, setting