Power distribution network limit line loss rate calculation method, device, equipment and medium
A calculation method and limit line technology, applied in the field of distribution network, can solve problems such as complex models and difficult promotion, and achieve the effect of simplifying the calculation process and strong adaptability
Pending Publication Date: 2021-10-19
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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[0004] This application provides a method, device, equipment and medium for calculating the limit line loss rate of distribution network, which are used to improve the prior art to calculate line loss based on deep convolutional neural network. The model in this method is relatively complicated, and it is used in engineering applications It is not easy to popularize and not suitable for technical problems in practical applications
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[0049] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0050] For ease of understanding, see figure 1 , an embodiment of a method for calculating the limit line loss rate of a distribution network provided by the present application, including:
[0051] Step 101. Determine clustering index parameters based on the collected target parameters of feeder lines in the distribution network.
[0052] Collect several target ...
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The invention discloses a power distribution network limit line loss rate calculation method and device, equipment and a medium, and the method comprises the steps: carrying out the fuzzy clustering of a feeder line based on a clustering index parameter determined by a target parameter of the feeder line in a power distribution network, and determining a reference feeder line of each category according to the membership degree of the feeder line of each category in a clustering result; calculating the limit line loss rate of each type of reference feeder by adopting an equivalent resistance method; calculating the limit line loss rate of the non-reference feeder line in each category according to the deviation value between the non-reference feeder line and the reference feeder line in each category; calculating a corrected limit line loss rate of each type of feeder lines based on the limit line loss rates of the reference feeder lines and the non-reference feeder lines in each type; calculating the limit line loss rate of the power distribution network according to the sum of various types of feeder power supplies, the corrected limit line loss rate and the number of types, thereby improving the technical problems that in the prior art, the line loss is calculated based on a deep convolutional neural network, the model in the method is relatively complex, the method is not easy to popularize in engineering application, and the method is not suitable for practical application.
Description
technical field [0001] The present application relates to the field of distribution network technology, and in particular to a method, device, equipment and medium for calculating the limit line loss rate of a distribution network. Background technique [0002] Power loss is mainly the power and power consumption formed by the current passing through various equipment components in the current system within a certain limited time. In other words, power loss refers to the loss formed during the entire process from the power plant's online port to the customer's terminal meter during power operation and transmission. Power loss covers the power loss of all power equipment in the power distribution, transformation and transmission of the power grid and the unknown losses caused by power marketing. Part of the loss within the line loss can be obtained using theoretical calculation methods. This part of the loss covers the power loss in the low-voltage power grid, the transmissi...
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IPC IPC(8): G06K9/62G06N7/02G06F30/20H02J3/00
CPCG06N7/02G06F30/20H02J3/00G06F18/23
Inventor 赵云马喆非肖勇梁飞令徐迪陆煜锌
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD