JIS-C-4606-1993-ENG.pdf
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1、JIS Ca4606 73 4933608 0536049 829 D JIS UDC 621.31 6.545.027.5:621.316.312 JAPANESE INDUSTRIAL STANDARD 6.6 kV Disconnectors for indoor use JIS C 4 6 0 6 - 1 9 9 3 Translated and Published by Japanese Standards Association Printed in Japan 8s Copyright Japanese Standards Association Provided by IHS
2、under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:09:06 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S C*4bOb 93 m 4933608 0516050 540 In the event of any doubt arising, the original Standard in Japanese is to be
3、 final authority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:09:06 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S C+YbOb 93 m q933b08 05Lb051 Y87 W
4、UDC 621.316.545.027.5: 621.316.312 JAPANESE INDUSTRIAL STANDARD J I S 6.6 kV Disconnectors for indoor use C 4606-1993 1. Scope This Japanese Industrial Standard specifies the manually operated 6.6 kV disconnectors for indoor use to be used in the circuits of nominal voltage 6.6 kV and of frequency 5
5、0 H z or 60 Hz at high voltage receiving stations which are used for the consumers to receive electric power from the electric utilities (hereafter referred to as “disconnectors“). Remarks 1. The following standards are cited in this Standard: JIS B 741 1 Etched-stem liquid-in-glass thermometers, to
6、tal immersion type JIS B 7528 Mercury filled thermometers JIS C 1601 Indicating thermoelectric thermometers JIS C 1603 Indicating resistance thermometers JIS 2 8721 Colour specification - Specification according to their three attributes 2. The International Standard corresponding to this Standard i
7、s given below: IEC 129 (1984) Alternating current disconnectors (isolators) and earthing switches 2. Definitions definitions apply: For the purpose of this Standard, the following principal (3) (4) (5) (7) disconnector closing and isolating an electrified circuit, but in principle, not for making an
8、d breaking the load current. rated voltage disconnector under the specified conditions. rated withstand voltage to the disconnector for the specified time without any abnormality. rated frequency comply with the specified requirements. rated current through the disconnector under the rated voltage a
9、nd the rated frequency without exceeding the specified limit of temperature rise and the highest permissible temperature. rated short-time withstand current The limit of current which can be passed through the disconnector for the specified time under the specified circuit conditions without any abn
10、ormality. pole - The pole means the portion in each line of a circuit where opening and closing are performed. It is called single-pole, two-pole, three-pole or multi-pole according to number of lines which can be opened and closed simultaneously. A switching equipment to be used solely for opening,
11、 The limit of service voltage capable of being applied to the The limit of the voltage capable of being applied The frequency at which the disconnector is designed to The limit of current which can be passed continuously Copyright Japanese Standards Association Provided by IHS under license with JSA
12、Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:09:06 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS C+4bOb 93 4933b08 051ib052 313 W 2 C 4606-1993 hooked bar A tool which opens and closes the blades of disconnector without operating
13、mechanism manually by hooking the operating metal fitting of the blade. It is composed of an insulating bar and hook attached to the end of bar. copper contact Such a contact that both contacting surfaces of conductor are composed of copper or the equivalent. silver contact are composed of silver li
14、ning or silver plating whose functions in service are Such a contact that both contacting surfaces of conductor guaranteed. conductive part can flow, it includes all the metallic structural members. main conductive part circuit current is carried. contacting part contact pieces and springs, constitu
15、ting electrical contact. blade (disconnecting blade) The movable conductive part for main circuit or grounding in a disconnector. A movable contact piece is attached to it. contact piece The conductor part of a switching equipment which forms a current carrying part by coming in contact with the mat
16、ing part at the closed position and performs opening and closing of the circuit by means of the relative motion to the mating part. dependent manual operation without use of other power source. remote operation remote position, through a link mechanism. hook bar operation apparatus by means of a hoo
17、k bar. The part of a disconnector through which the current The conductive part through which the main The part which is assembled from such components as Operation made only by human force The dependent manual operation carried out from a The dependent manual operation of a switching 3. Service con
18、ditions 3.1 Normal service condition conditions which satisfies the following, and disconnectors unless particularly specified, shall be used under these conditions. The normal service condition means the service (1) When the disconnector is used in a place where the ambient temperature does not fal
19、l outside the range of 40C at the highest and -5C at the lowest. does not exceed 35C. When the disconnector is used in a place of 1000 m or under in altitude. When the disconnector is used in a place where none of the items of 3.2 applicable. Also it is used in a place where the average value during
20、 a day of 24 h (2) (3) 3.2 Abnormal service condition The abnormal service condition means the service conditions which come under any one of the conditions given below, and in the case of these service conditions, it shall be specified particularly. Copyright Japanese Standards Association Provided
21、 by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:09:06 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS C*YbOb 93 m 4933608 051b053 25T Rated withstand voltage terminals one to others, and between main circu
22、it terminals and ground same phase main circuit Rated voltage 3 C 4606-1993 Insulation level (1) (2) (3) (4) (5) When the disconnector is used in other place than defined in 3.1 in ambient temperature and altitude. When the disconnector is used in a place where it is considerably subjected to sea br
23、eeze. When the disconnector is used in a place where it is in humid condition at all times. When the disconnector is used in a place where excessive vapour or excessive oily vapour exists. When the disconnector is used in a place where explosive, inflammable and other harmful gases exist, and in a p
24、lace where it is liable to be affected by the gases given above. When the disconnector is used in a place where excessive dusts present. a (6) Lightning impulse 60 45 7.2 (7) (8) When the disconnector is used in a place where it is subjected to abnormal vibration or impact. When the disconnector is
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