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Motor electricity-saving intelligent management control system

An intelligent management and control system technology, applied in the field of management systems, can solve the problems that cannot meet the general application and multi-field intelligent control, accelerate the aging of motor windings, and achieve no effect, so as to extend the effective transmission distance, improve the quality of power grid, Suppresses the effect of momentary high pressure

Inactive Publication Date: 2015-08-12
ZHUHAI GR SAVING ENERGY SAVING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the motor flows into high-order harmonics, it will cause the motor to heat up and accelerate the aging of the motor windings, which is not good for the motor
Many people don’t know how to match the parameters of the input and output reactors when applying frequency converters. If they are too large, the cost will be too high, and if they are too small, they will not be effective. Therefore, the current technology and applications have defects and cannot meet the requirements of universal application and multi-field intelligent control.

Method used

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  • Motor electricity-saving intelligent management control system
  • Motor electricity-saving intelligent management control system

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Embodiment Construction

[0019] Such as Figures 1 to 6 As shown, the present invention includes an input reactor part, a rectification filter energy storage part, a secondary DC filter energy storage part, an inverter part, an output reactor part and a motor connected in sequence, and the system also includes a main chip control part, the The input reactor part, the rectification filter energy storage part, the secondary DC filter energy storage part, the inverter part and the output reactor part are all connected to the main chip control part; the input reactor Part of it is used to suppress the surge voltage and surge current, protect the motor inverter, filter out harmonic voltage and harmonic current, and improve the quality of the power grid; the part of the output reactor is used to extend the effective transmission distance of the inverter and effectively suppress the frequency conversion The instantaneous high voltage generated when the IGBT module of the inverter is switched, reduces the noi...

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Abstract

The invention discloses a motor electricity-saving intelligent management control system which can perform whole-process control for electricity utilization of a motor and which has good electricity-saving performance. The system comprises an input electric reactor part, a rectification filtering energy storage part, a secondary DC filtering energy storage part, an inversion part, an output electric reactor part and a motor which are successively connected; the system further comprises a main chip control part; and the input electric reactor part, the rectification filtering energy storage part, the secondary DC filtering energy storage part, the inversion part and the output electric reactor part are connected with the main chip control part. The system can be applied to the motor control field.

Description

technical field [0001] The invention relates to a management system, in particular to a motor power-saving intelligent management and control system. Background technique [0002] In the industrial field, the drive and control of AC motors are inseparable from speed regulation, such as constant pressure and constant flow in water pumps, constant pressure and pressure maintenance of air compressors, speed control of elevator production lines, etc. are all inseparable from speed regulation control. At present, most of the market applications are simple controls for frequency converters. Frequency converter technology is a very mature product on the market at present, and its principle is the AC-DC-AC process, which brings a new revolution to the control field. If the application of frequency conversion is not understood or unreasonable, it will cause pollution to the power grid and shorten the service life of the motor. The higher harmonics will flow into the power grid to f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P27/06
Inventor 刘德逞
Owner ZHUHAI GR SAVING ENERGY SAVING TECH
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