IEC/TR 60943-1998
关于电气设备部件(特别是端子)允许温升的指南

Guidance concerning the permissible temperature rise for parts of electrical equipment, in particular for terminals

IEC/TR 60943-1998 发布历史

This report is intended for guidance in estimating the permissible values for temperature and temperature rise of component parts of electrical equipment carrying current under steady state conditions. This report applies to electrical power connections and materials adjacent to them. This report is concerned with the thermal effects of currents passing through connections, therefore there are no voltage limits to its application. This report is only applicable when referred to in the appropriate product standard. The extent and manner to which the contents of this report are used in standards is the responsibility of individual Technical Committees. Whenever "permissible" values are stated in this report, they mean values permitted by the relevant product standard. The present report is intended to supply: - general data on the structure of electric contacts and the calculation of their ohmic resistance; - the basic ageing mechanisms of contacts; - the calculation of the temperature rise of contacts and connection terminals; - the maximum "permissible" temperature and temperature rise for various components, in particular the contacts, the connection terminals and the conductors connected to them; - the general procedure to be followed by product committees for specifying the permissible temperature and temperature rise.

IEC/TR 60943-1998由国际电工委员会 IX-IEC 发布于 1998-01。

IEC/TR 60943-1998 在中国标准分类中归属于: K04 基础标准和通用方法，在国际标准分类中归属于: 29.020 电气工程综合。

IEC/TR 60943-1998的历代版本如下：

• 1989年02月 IEC/TR 60943-1989 电气设备零件、特别是终端适用容许温度和温升规范指南
• 1998年01月 IEC/TR 60943-1998 关于电气设备部件(特别是端子)允许温升的指南

IEC/TR 60943-1998 关于电气设备部件(特别是端子)允许温升的指南 由 IEC/TR 60943-1989 变更而来。

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标准号

IEC/TR 60943-1998

发布日期

1998年01月

实施日期

废止日期

无

中国标准分类号

K04

国际标准分类号

29.020

发布单位

IX-IEC

被代替标准

IEC 32/142/CDV-1996 IEC/TR 60943-1989

适用范围

This report is intended for guidance in estimating the permissible values for temperature and temperature rise of component parts of electrical equipment carrying current under steady state conditions. This report applies to electrical power connections and materials adjacent to them. This report is concerned with the thermal effects of currents passing through connections, therefore there are no voltage limits to its application. This report is only applicable when referred to in the appropriate product standard. The extent and manner to which the contents of this report are used in standards is the responsibility of individual Technical Committees. Whenever "permissible" values are stated in this report, they mean values permitted by the relevant product standard. The present report is intended to supply: - general data on the structure of electric contacts and the calculation of their ohmic resistance; - the basic ageing mechanisms of contacts; - the calculation of the temperature rise of contacts and connection terminals; - the maximum "permissible" temperature and temperature rise for various components, in particular the contacts, the connection terminals and the conductors connected to them; - the general procedure to be followed by product committees for specifying the permissible temperature and temperature rise.

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