(1) Fragment analysis:
The line loss analysis should be carried out according to the voltage class, sub-line, and sub-zone. To grasp the composition of the line loss. Identify weaknesses and make clear directions.
(2) Excluding lossless power analysis:
After deducting the corresponding sales volume of electricity, such as non-destructive customer-dedicated lines, dedicated distribution transformers, and user-supplied power supply, a statistical analysis was performed to obtain a true line loss rate.
(3) Comparative analysis with the historical period:
Some electricity loads have a relationship with the season, and they change with the season (such as electricity in agriculture). Moreover, the meteorological conditions in the same period are basically the same, so compared with the values ​​of parameters in the same period of history, there is a great comparability, and problems can be discovered through comparison.
(4) Compared with the average line loss rate:
An average line loss rate for a long period of time can eliminate line loss fluctuations caused by factors such as load changes, time changes, and meter reading time differences. This average line loss rate can reflect the actual condition of the line loss. Compared with the average line loss, it can be found whether the line loss at that time is abnormal.
〔5) Comparison with theoretical line loss:
The actual line loss and the theoretical line loss of the size of the deviation. Can see the management gap, can analyze the possible problems. Wells combined with other analytical methods to identify problems in management. Then take appropriate measures to resolve.
(6) Energy balance analysis:
Comparison of metering and sub-meter electricity. It is used to supervise the operation of energy metering equipment and the energy consumption of substations themselves. This is a very effective analysis method. This activity is often carried out to identify problems in a timely manner and take timely measures to keep metering devices in normal operation. .
(7) Compared with advanced level:
Comparing the completion of line casting with the surrounding units. Can find the unit in the power grid structure and management gap.
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