Reliability Judgment Method for Large-capacity Energy Storage Equipment

A technology of energy storage equipment and reliability, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of no alarm prompts, unfavorable long-term stable operation of equipment, and no method for judging the reliability of large-capacity energy storage. The effect of solving failure problems and reducing workload

Active Publication Date: 2018-04-27
SOUTHERN POWER GRID PEAK LOAD & FREQUENCY REGULATION GENERATING CO LTD +1
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Problems solved by technology

[0004] The technical problem to be solved by the present invention: in the existing large-capacity energy storage power station, there is no method for judging the reliability of large-capacity energy storage, and there is no alarm prompt when the reliability index is abnormal, which is very unfavorable to the long-term stable operation of the equipment

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  • Reliability Judgment Method for Large-capacity Energy Storage Equipment
  • Reliability Judgment Method for Large-capacity Energy Storage Equipment

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[0018] The technical solution of the invention will be described in further detail below according to the drawings in the description and in combination with specific examples.

[0019] like figure 2 Shown is a schematic diagram of the system structure used to realize the judgment method of the present invention. The figure describes the implementation process of the entire method. The monitoring system collects data such as current, voltage and power, and the on-site operation and maintenance personnel of the energy storage station input the data of the energy storage station operation site. For each parameter, the calculation module automatically calculates the result according to the known calculation formula of the reliability evaluation index, and stores the result in the real-time database. Threads such as graphics, historical storage, and reports perform corresponding operations based on the data in the database, and at the same time send the calculation results to the...

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Abstract

A method for judging the reliability of large-capacity energy storage equipment. The automatic monitoring system of an energy storage power station collects the voltage, current, and power of each battery stack, battery family, and battery cell, and automatically completes the reliability evaluation of large-capacity energy storage equipment through a calculation module. The calculation of the indicators, and then compare the evaluation indicators with the predetermined limit value through the limit value alarm module to judge whether the indicators are abnormal, if abnormal, give an alarm prompt, store the calculation results and evaluation results historically, and provide historical query and reports Production, alarm prompt function. This method realizes the judgment of the reliability index of the large-capacity energy storage station, and will give an alarm when the index is abnormal. Minimize errors and improve the accuracy of calculation results.

Description

technical field [0001] The invention belongs to the technical field of power system substation automation, and in particular relates to a method for judging the reliability of large-capacity energy storage equipment. Background technique [0002] The reliability evaluation of large-capacity battery energy storage equipment is an important part of power reliability management. The statistics, analysis and evaluation of the reliability of large-capacity battery energy storage equipment provide technical support for the operation and management of battery energy storage stations. [0003] The traditional reliability evaluation mainly relies on artificial statistics of various calculation parameters, and manual calculation according to the calculation formula of each index. The process of statistics and calculation is very cumbersome. Moreover, the energy storage station needs to calculate the evaluation index every once in a while, which increases a lot of workload. Because it...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/36
Inventor 彭鹏李勇琦陈满刘邦金伍科钟朝现岳扩明潘合玉姜闿笈余斌房萍
Owner SOUTHERN POWER GRID PEAK LOAD & FREQUENCY REGULATION GENERATING CO LTD
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