Grounding method for zero line of box-type substation
A technology of box-type substation and grounding method, which is applied in the field of zero-line grounding of box-type substations, can solve the problems of high wire cost and unsightly appearance, and achieve the effect of improving work efficiency and reducing costs
Inactive Publication Date: 2014-06-18
TIANJIN TIANKAI HIGH VOLTAGE ELECTRICITY COMPLETE TECH CO LTD
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Problems solved by technology
The disadvantage is that it requires a very long wire and the cost is high, and there are many bundled wires, even if it is wrapped with a snakeskin sleeve, it is still unsightly
Method used
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Experimental program
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Embodiment Construction
[0007] A method for grounding the zero line of a box-type substation, using the excessive zero line bar to lead from the first capacitor to the common ground bar, so that the copper wires from each supplementary capacitor can be directly connected to the overused zero line nearby. Long-distance lead wires are no longer needed, thereby reducing costs, improving work efficiency of workers, and being more beautiful and tidy at the same time.
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The invention discloses a grounding method for a zero line of a box-type substation. A transitional zero line row is started to be led from a first capacitor to a common ground row, so that a copper wire led out of each common compensation capacitor can be directly and nearby connected to the transitional zero line row. According to the method, long-distance wire leading is no longer needed, so that the cost is reduced, and the working efficiency of workers is improved.
Description
Technical field: [0001] The invention belongs to a method for connecting lines in electrical equipment, in particular to a method for grounding a neutral line of a box-type substation. Background technique: [0002] Box-type substation, also known as outdoor complete substation or combined substation, is a kind of high-voltage switchgear, low-voltage distributor and distribution transformer device, which implements fully enclosed operation and electromechanical integration. It has the advantages of compact structure, small footprint, flexible combination, high power supply quality, low loss, strong versatility, convenient site selection, easy coordination with the environment, high degree of automation, safe and reliable operation, and short power supply cycle. series of significant advantages. [0003] The box-type substation grounding and zero line share a grounding network. The grounding grid is generally grounded with ground piles at the four corners of the foundation,...
Claims
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IPC IPC(8): H02B5/01
Inventor 刘宝华
Owner TIANJIN TIANKAI HIGH VOLTAGE ELECTRICITY COMPLETE TECH CO LTD