Auxiliary hybrid battery capacity detecting system and method of wind power variable pitch system

A pitch system, auxiliary mixing technology, applied in the direction of measuring electrical variables, measuring electricity, measuring devices, etc., can solve the problem of low capacity of hybrid batteries, and achieve the effects of easy maintenance and modification, improved utilization, and high reliability

Active Publication Date: 2014-12-10
JIANGSU UNIV OF SCI & TECH
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However, in the prior art, there are few methods to directly det

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  • Auxiliary hybrid battery capacity detecting system and method of wind power variable pitch system
  • Auxiliary hybrid battery capacity detecting system and method of wind power variable pitch system
  • Auxiliary hybrid battery capacity detecting system and method of wind power variable pitch system

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Embodiment Construction

[0020] specific implementation plan

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] figure 1 The structure of this system is given. The system consists of a programmable logic controller PLC, a lithium power battery pack power detection module, a super capacitor pack power detection module, a result display module and a data storage device. The power detection module of the battery pack detects the running state of the lithium power battery pack. The programmable logic controller PLC detects the running state of the super capacitor pack through the power detection module of the super capacitor pack. The programmable logic controller PLC controls the lithium power battery pack and the super capacitor respectively. The charging state of the group, the programmable logic controller PLC calculates and processes the detection data transmitted from the lithium power battery pack power de...

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Abstract

The invention discloses an auxiliary hybrid battery capacity detecting system and method of a wind power variable pitch system. The auxiliary hybrid battery capacity detecting system comprises a PLC (Programmable Logic Controller), a lithium-power battery pack electric quantity detecting module, a super-capacitor group electric quantity detecting module, a result displaying module and a data storing device. The auxiliary hybrid battery capacity detecting method comprises the steps that: the PLC controls a charging state of a hybrid battery and the working process of each electric quantity detecting module; the lithium-power battery pack electric quantity detecting module and the super-capacitor group electric quantity detecting module after finishing the detection output the detected data to the PLC; the PLC calculates the data transmitted by each electric quantity detecting module, and outputs the processing result to the displaying module through a communication module RS2332C in the PLC; the result displaying module displays the data of the hybrid battery, including the capacity of each module of the battery, the total battery capacity, the aging degree and the like; finally, the data storing device stores the data so as to bring convenience to analysis of the hybrid battery in future.

Description

technical field [0001] The invention relates to a system and method for detecting the capacity of an auxiliary hybrid battery of a wind power pitch system. Background technique [0002] With the continuous development and maturity of wind power industry technology, the importance of the pitch system in wind power generators is becoming more and more prominent. It can change the pitch angle of the blades and control the fan speed through control technology, and is the first in the whole unit. Brake system. [0003] The daily work of the pitch control system is powered by the grid power supply, and the backup battery is only in a floating charge state. Only when the grid power supply is lost, the pitch system takes power from the backup battery, which means that if the backup battery Aging and other faults, then the pitch system cannot work in the event of grid power loss. In recent years, "speeding" accidents have occurred frequently, mainly due to the aging of the backup b...

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Application Information

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IPC IPC(8): G01R31/36
Inventor 李泰邹博曾庆军王伟然李权明张明鄢俊胜杨德亮张福特
Owner JIANGSU UNIV OF SCI & TECH
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