Method for measuring sag of flexible conductor in transformer substation
A measurement method and technology for flexible conductors, applied in the field of substations, can solve problems such as the impact of power outage plans, large errors in measurement results, and small spans of flexible conductors, and achieve the effects of ensuring safe and reliable operation of equipment, small measurement errors, and reasonable design.
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[0028] The present invention will be described in further detail below with reference to the accompanying drawings.
[0029] The invention uses the principle of parallel light, the height of the object under the sun is proportional to the length of the ground shadow, and a method for measuring the sag of the soft conductor in the substation is established by measuring the shadow length on the ground, such as figure 1 As shown, including the following steps:
[0030] Step 1. Select a certain section of the flexible wire to be measured in the substation under sufficient light and no wind, and the vertices of the wire structures on both sides are respectively A 1 , B 1 , The vertical projection points on the ground are A 2 , B 2 , Will A 1 A 2 , B 1 B 2 The height is recorded as h 1 , H 2 , The shadows of the two wire frames on the horizontal ground are marked as A 2 A 3 , B 2 B 3 , Determine A by measurement 2 A 3 , B 2 B 3 The length is l 1 , L 2 .
[0031] Step 2. Set a standard heig...
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