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IEC 60252-1 Document Information:
Title
AC Motor Capacitors - Part 1: General - Performance, Testing and Rating - Safety Requirements - Guide for Installation and Operation
Condensateurs Des Moteurs A Courant Alternatif - Partie 1: Generalites - Caracteristiques Fonctionnelles, Essais Et Valeurs Assignees - Regles De Securite Guide D´Installation Et D´Utilisation
International Electrotechnical Commission
Publication Date:
Feb 1, 2001
Scope:
Scope and object
This International Standard applies to motor capacitors intended for connection to windings of asynchronous motors supplied from a single-phase system having a frequency up to and including 100 Hz, and to capacitors to be connected to three-phase asynchronous motors so that these motors may be supplied from a single-phase system.
This standard covers impregnated or unimpregnated capacitors having a dielectric of paper, plastic film, or a combination of both, either metallized or with metal-foil electrodes, with rated voltages up to and including 660 V.
Motor start capacitors will be covered by IEC 60252-2*.
NOTE The following are excluded from this standard:
- shunt capacitors of the self-healing type for a.c. power systems of up to and including 1 000 V nominal voltage (see IEC 60831-1);
- shunt capacitors of non-self-healing type for a.c. power systems of up to and including 1 000 V nominal voltage (see IEC 60931-1);
- shunt capacitors for a.c. power systems having a nominal voltage above 1 000 V (see IEC 60871-1);
- capacitors for induction heat-generating plants, operating at frequencies between 40 Hz and 24 000 Hz (see IEC 60110-1);
- series capacitors (see IEC 60143);
- coupling capacitors and capacitor dividers (see IEC 60358);
- capacitors to be used in power electronic circuits (see IEC 61071-1);
- small a.c. capacitors to be used for fluorescent and discharge lamps (see IEC 61048);
- capacitors for suppression of radio interference (IEC publication under consideration);
- capacitors intended to be used in various types of electrical equipment and thus considered as components;
- capacitors intended for use with d.c. voltage superimposed on a.c. voltage.
The object of this standard is
a) to formulate uniform rules regarding performance, testing and rating;
b) to formulate specific safety rules;
c) to provide a guide for installation and operation.
* AC motor capacitors - Part 2: Motor start capacitors. In preparation. This will become the standard for both self-healing and electrolytic motor start capacitors.
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