Stand-by battery pack on-line monitoring device of large-size wind generator set variable-pitch controller

A technology for wind turbines and monitoring devices, applied in battery circuit devices, measuring devices, circuit devices, etc., can solve problems such as reducing the service life of battery packs, battery damage, battery capacity, and battery overcharge, etc., and achieve high-efficiency battery voltage. The effect of sampling, maintaining balance, and reducing workload

Inactive Publication Date: 2012-09-12
HUNAN SHIYOU ELECTRIC PUBLIC
View PDF1 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the battery pack cannot be properly managed and used, overcharging, overdischarging, and battery aging will cause battery damage or a sharp drop in battery capacity, which will affect the normal power supply of the emergency paddle.
[0004] However, among the existing charge and discharge management devices for battery packs (especially with multiple cells), there is no mature product for single-cell cycle high-vol

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Stand-by battery pack on-line monitoring device of large-size wind generator set variable-pitch controller
  • Stand-by battery pack on-line monitoring device of large-size wind generator set variable-pitch controller
  • Stand-by battery pack on-line monitoring device of large-size wind generator set variable-pitch controller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] like figure 1 As shown, the backup battery pack on-line monitoring device for the pitch controller of the large-scale wind turbine of the present invention includes a battery manager 7, a battery pack 8, a PLC5, a main control system 2, a wind farm control center 3, and a user monitoring interface LCD1; The battery packs 8 are several groups connected in series, and each group is correspondingly connected to a battery manager 7. The battery manager 7 is connected to the PLC5 through the CAN bus 6, and the PLC5 is connected to the main control system 2 through the optical fiber 4. The field control center 3 is connected to the main control system 2 with the user monitoring interface LCD1.

[0023] like figure 2 As shown, the external interface circuit 21 of the battery manager 7 is connected with the CPU control chip 24, and the CPU control chip 24 is connected to the CAN communication circuit 23, the LED display circuit 25 and the PWM pulse power switch circuit 26. Th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a wind power generating set, particularly a stand-by battery on-line monitoring device of a large-size wind generator set variable-pitch controller. Each battery pack is correspondingly connected with a battery manager; each battery manager is connected with a PLC (programmable logic controller) through a CAN (Controller Area Network) bus; the PLC is connected with a main control system through a fiber; and a wind farm control center and a user monitoring interface LCD (liquid crystal display) are connected to the main control system. The invention can perform on-line intelligent charging/discharging management and parameter/state communication on the battery packs, and ensure the battery packs to be in a good state within the service life; and meanwhile, the main control system can master the capacity and good or bad state of each battery pack and each battery in time, thereby performing prewarning or replacing the batteries in time, and further ensuring the safety, reliability and efficient operation of the blower.

Description

[0001] technical field [0002] The invention relates to wind power generation equipment, in particular to an on-line monitoring device for a backup battery pack of a pitch controller of a large wind power generating set. Background technique [0003] In the modern wind power generation system, the pitch control system is the key to ensure the safe operation of the wind turbine, and is the core unit of the wind power control system. When the pitch control system fails, the battery pack is an important emergency power supply unit for the pitch control system, which can ensure the emergency retraction of the pitch control system. However, if the battery pack cannot be properly managed and used, overcharge, overdischarge and battery aging will occur, which will lead to battery damage or a sharp drop in battery capacity, thus affecting the normal power supply of emergency propellers. [0004] However, among the existing charge and discharge management devices for battery packs ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H02J7/14G01R31/36H02H7/18
Inventor 周腊吾刘滨升彭建国谭海波
Owner HUNAN SHIYOU ELECTRIC PUBLIC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap