IEC 60433 Ed. 3.0 b:1998 PDF
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Insulators for overhead lines with a nominal voltage above 1 000 V – Ceramic insulators for a.c. systems – Characteristics of insulator units of the long rod type
standard by International Electrotechnical Commission, 08/25/1998
Prescribes specified values for the electrical and mechanical characteristics and for the principal dimensions of string insulator units of the long rod type with insulating parts of ceramic material intended for a.c. overhead lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz. It is also applicable to insulators of similar design, used in substations. Applies also to string insulator units: -of the long rod type either with a clevis at both ends for coupling with a tongue, or with a socket at both ends for coupling with a pin ball -with external metal fittings -for use on overhead lines situated in slightly polluted areas, and the creepage distances given in Tables I and II have been established accordingly -and insulators of similar design, used in substations. This standard may be regarded as a provisional standard for insulators for d.c. overhead lines. Note -For general definitions and methods of tests see IEC 60383. -For dimensions of clevis and tongue couplings of string insulator units, see IEC 60471. -For dimensions of ball and socket couplings of string insulator units, see IEC 60120.
Product Details
- Edition:
- 3.0
- Published:
- 08/25/1998
- Number of Pages:
- 13
- File Size:
- 1 file , 110 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
