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Capacitor set internal connection mode identification and parameter setting method

A technology of internal connection and connection method, applied in the field of capacitor banks, which can solve the problems of high operator requirements, complicated operation steps, unfavorable on-site operation and software permission management.

Active Publication Date: 2015-08-12
SHANGHAI MITSUBISHI ELEVATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The object of the present invention is to provide a method for identifying the internal connection mode and parameter setting of the capacitor group that can automatically identify the number and connection mode of the capacitor cells or modules inside the capacitor bank and then automatically set its related parameters. This method can overcome field modification The method has the disadvantages of cumbersome operation steps, long time-consuming, high requirements for operators, and it is not conducive to on-site operation and software authority management. At the same time, it can also identify whether there is an abnormality in the capacitor cells or modules inside the capacitor bank and whether the quantity has changed.

Method used

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  • Capacitor set internal connection mode identification and parameter setting method
  • Capacitor set internal connection mode identification and parameter setting method

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Embodiment 1

[0027] The core of the method for identifying the internal connection mode and parameter setting of the capacitor group of the present invention is to identify the connection mode of the capacitor cells or modules inside the capacitor group by using the number N and the total capacitance C of the capacitor cells or modules that make up the capacitor group , and automatically set relevant parameters based on the identification results, determine the reason for the change in the number N of capacitor cells or modules of the capacitor group and the total capacitance C, and record the relevant information before and after the change. The implementation process includes the following:

[0028] √ Obtain the number N of capacitor cells or modules of the capacitor bank.

[0029] According to whether the capacitor monomer or module of the capacitor group has a monitoring signal, the acquisition of the number N of its capacitor monomer or module can take any one of the following methods:...

Embodiment 2

[0085] The method of identification and parameter setting of the internal connection mode of the capacitor bank in Embodiment 2 is similar to that of Embodiment 1. The difference between the two lies in the calculation method of the series number S and the parallel number P of the capacitor bank and the number N and the number of capacitor cells or modules of the capacitor bank. The method of judging whether the total capacitance C matches or not.

[0086] In the following, only the differences between the second embodiment and the first embodiment will be described.

[0087] In this embodiment, when the number N and the total capacitance C of the capacitor units or modules of the capacitor group are known, the calculation method of the number S in series and the number P in parallel is as follows:

[0088] S1. The exhaustive product is equal to the combination of all possible series numbers S and parallel numbers P of the number N of capacitor cells or modules;

[0089] S2. ...

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Abstract

The invention discloses a capacitor set internal connection mode identification method. The number N of capacitor monomers or modules obtained in an automatically-detecting mode or manually-setting mode and capacitor set overall capacitance C obtained by carrying out charging and discharging on a capacitor set are used for identifying the connection mode of the capacitor set internal capacitor monomers or modules, and accordingly automatic setting of working voltages and working currents of the capacitor set is achieved. According to the capacitor set internal connection mode automatic identification method, automatic identification of the capacitor set internal connecting mode and automatic setting of related control parameters after changing of the number of the internal capacitor monomers or modules and / or the connection mode can be achieved, on-site operation is of no need, and related information during changing of the number of the capacitor set internal capacitor monomers or modules and / or the connection mode and changing of capacitor set overall capacitance is timely recorded.

Description

[0001] This application is a divisional application with an application date of April 27, 2012, application number 201210128983.8, and the title of the invention is "Method for Identification of Internal Connection Mode and Parameter Setting of Capacitor Bank". technical field [0002] The invention relates to a capacitor group composed of a plurality of capacitor cells or modules connected in series and in parallel, in particular to an identification method suitable for the internal connection mode of a capacitor group composed of a plurality of capacitor cells or modules connected in series and in parallel. Background technique [0003] In recent years, large-capacity capacitors represented by supercapacitors are used as energy storage devices. The motor transmission system that can operate in four quadrants can store the regenerative energy generated during the regenerative operation of the motor and provide the stored regenerative energy when the motor is running electrica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R27/26
Inventor 何晓光陈玉东
Owner SHANGHAI MITSUBISHI ELEVATOR CO LTD