IEC 60077-4:2003 PDF

Name: IEC 60077-4:2003 — Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers
SKU: IEC 60077-4:2003
Price: 35 EUR
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Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers

Название (английский):

IEC 60077-4:2003

Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 49
Дата публикации:: 7 февраля 2003 г.
Издание:: IEC IS 60077 edition 1 version 1
ICS:: 45.060.01

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Описание (английский):

Gives rules for AC circuit-breakers, the main contacts of which are to be connected to AC overhead contact lines; the nominal voltage of these circuits is in accordance with IEC 60850. Complements the general requirements given in IEC 60077-2.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 60077-4:2003 is an international standard developed by the International Electrotechnical Commission (IEC) specifically for railway applications. It details the rules and requirements for AC circuit-breakers used in electric equipment for rolling stock. These circuit-breakers are designed to connect with AC overhead contact lines, operating at nominal voltages consistent with IEC 60850. The standard complements the general requirements covered in IEC 60077-2, focusing on electrotechnical components vital for safe and efficient railway operation.

Key Topics

Scope and Application The standard defines rules for AC circuit-breakers whose main contacts operate in AC overhead contact line circuits, supporting electric rolling stock systems.

Component Definitions Detailed descriptions of components and their parts are provided, ensuring clarity in manufacturing, testing, and maintenance processes.

Operational Features and Performance Requirements Includes essential operational characteristics such as making and breaking capacities, frequency of operation, and rated values to guarantee reliability during railway service.

Classification and Testing Defines classification criteria for circuit-breakers and prescribes constructional, performance, and testing requirements to validate functionality and safety. This includes type and routine tests.

Control and Auxiliary Circuits Addresses electric and pneumatic control and auxiliary circuits integral to the control and release functions of the circuit-breaker.

Safety and Reliability Parameters Coverage of over-current release mechanisms, recovery voltages, and marking requirements to enhance operational safety and traceability.

Applications

IEC 60077-4 is essential for manufacturers, designers, and maintenance engineers involved in railway rolling stock electric equipment. Its practical applications include:

Designing AC circuit-breakers that meet international safety and performance standards for use on railway overhead lines.

Assuring compliance with safety regulations during the manufacturing and commissioning stages of rolling stock electrical components.

Facilitating interoperability and standardized quality across different railway operators and manufacturers worldwide.

Supporting maintenance and refurbishment activities by providing clear guidelines on the nominal operating conditions and testing protocols.

Enhancing protection systems that safeguard rolling stock electrical circuits from faults such as overloads and short circuits.

Related Standards

IEC 60077-1 and IEC 60077-2 These parts address general requirements related to electric equipment for rolling stock, on which IEC 60077-4 builds upon specifically for AC circuit-breakers.

IEC 60850 Defines the nominal voltages for AC overhead contact lines, referenced by IEC 60077-4 to ensure compatibility in railway systems.

IEC 60034 Series Though focused on electrical rotating machines, this series is relevant in coordinating overall electrical equipment standards for rolling stock applications.

Adhering to IEC 60077-4:2003 ensures that AC circuit-breakers used in railway rolling stock meet rigorous international benchmarks, promoting safety, reliability, and efficient electrical protection management in railway applications worldwide. This standard is a critical resource for electrical engineers and professionals dedicated to rolling stock equipment design, manufacturing, and maintenance.

IEC 60077-4:2003 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

IEC 60850:2014

Railway applications - Supply voltages of traction systems

IEC 60077-2:2017

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