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STRUCTURE OF APPLICATION OF FOLLOW CURRENT CIRCUIT BREAKER IN THREE-PHASE TWO-CIRCUIT POWER TRANSMISSION STEEL TOWER
STRUCTURE OF APPLICATION OF FOLLOW CURRENT CIRCUIT BREAKER IN THREE-PHASE TWO-CIRCUIT POWER TRANSMISSION STEEL TOWER
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机译:三相两回路输电钢塔中直流断路器的应用结构
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摘要
PROBLEM TO BE SOLVED: To provide a structure of application of a follow current circuit breaker in a three-phase two-circuit power transmission steel tower wherein the breakage of a follow current circuit breaker caused by a large-current lightning stroke is avoided as much as possible and the effect of reduction in the social influence of an instantaneous voltage drop and the effect of route blocking accident prevention is brought about.;SOLUTION: A power transmission steel tower supports three-phase two-circuit electric power lines 3 on arms 2 in three stages of upper, middle, and lower stages, provided on the right and left of the steel tower 1, respectively, through an insulator device. In the structure of application of a follow current circuit breaker in a three-phase two-circuit power transmission steel tower, the follow current circuit breaker 4 is placed only between and among the arms 2, 2, 2 in all the three stages of the power transmission steel tower 1 on one side and the electric power lines 3, 3, 3 supported on them, and between the upper arm 2 and the middle arm 2 on the other side and the electric power lines 3, 3 supported on them through an insulator device.;COPYRIGHT: (C)2006,JPO&NCIPI
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