Method for reducing tripping times of 10kV distribution line
A technology for power distribution lines and tripping, which is applied in the direction of circuit devices, AC network circuits, overhead lines/cable equipment, etc., can solve problems such as adverse social impact, increase the labor intensity of line patrol personnel, and increase labor costs of power supply enterprises. The effect of improving power supply reliability, avoiding other expenses, and reducing labor costs
Inactive Publication Date: 2020-11-17
XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER +1
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Problems solved by technology
Frequent tripping of 10kV distribution lines not only affects the normal production and life of users, causing adverse social impacts, but also increases the labor intensity of line patrol personnel, increases the labor cost of power supply companies, and reduces the reliability of power supply for power supply companies , thus affecting the completion of various production and operation indicators of the company
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment
[0047] Embodiment: S1, current situation investigation: select several suitable lines, mark the line names, then count the number of trips and the corresponding trip reasons, draw the line trip reasons and protection action statistical tables, the form is as follows;
[0048] Statistical table of road tripping times
[0049]
[0050] Statistical Table of Line Trip Causes and Protection Actions
[0051]
[0052] S2, factor analysis: according to the number of trips counted in step S1 and the corresponding reasons for tripping, draw a causal relationship diagram that causes the number of times of tripping of the target line, analyze according to the relationship diagram, as figure 1 said;
[0053] S3, formulating countermeasures: according to the analysis result of step S2, determine the cause of tripping, and then formulate a countermeasure table for the reasons for tripping;
[0054] table of causes and countermeasures
[0055]
[0056]
[0057] S4, implementati...
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The invention discloses a method for reducing the tripping frequency of a 10kV distribution line, and the method comprises the following steps: S1, current situation investigation: selecting several proper lines, marking the names of the lines, and carrying out the statistics of the tripping frequency and the corresponding tripping reasons; S2, cause analysis: drawing a cause-effect relationship graph causing more tripping times of the target line according to the tripping times counted in the step S1 and the corresponding tripping reasons, and performing analysis according to the relationshipgraph; S3, making a countermeasure: determining a tripping reason according to an analysis result in the step S2, and then making a countermeasure table for the tripping reason. The invention has thebeneficial effects that the tripping frequency of the line is greatly reduced through corresponding measures, the power supply reliability is obviously improved, the labor intensity of line patrol personnel is greatly reduced, the labor cost of a power supply enterprise is reduced on year-on-year basis, and other expenses caused by oil well generation interruption due to frequent tripping are avoided.
Description
technical field [0001] The invention relates to the technical field of tripping of 10kV power distribution lines, in particular to a method for reducing the number of times of tripping of 10kV power distribution lines. Background technique [0002] The 10kV distribution network is an important part of the production and sales links of power supply enterprises, and its safe and economical operation is directly related to the vital interests of users and power supply enterprises. The abnormal tripping of the 10kV distribution line reflects the unhealthy operation of the equipment. Frequent tripping of 10kV distribution lines not only affects the normal production and life of users, causing adverse social impacts, but also increases the labor intensity of line patrol personnel, increases the labor cost of power supply companies, and reduces the reliability of power supply for power supply companies , thus affecting the completion of the company's various production and busines...
Claims
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IPC IPC(8): H02G1/02H02J3/00
CPCH02G1/02H02J3/00H02J2203/10
Inventor 李俊彭冲晏飞张舒敏李英仕
Owner XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER