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Power quality detecting device with source power expansion

A detection device and power quality technology, applied in the direction of measurement device, measurement of electrical variables, measurement of electricity, etc., can solve the problems of inability to achieve online feedback control, complicated systems, and many external devices, so as to facilitate comprehensive evaluation and analysis, and realize communication. The effect of connecting and facilitating centralized monitoring and management

Inactive Publication Date: 2018-07-06
LIVESINE ELECTRIC SHANGHAI CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The existing power detection device can only detect the power quality of a certain equipment, and cannot achieve online feedback control. When it is necessary to control the power quality of the equipment to be tested, another set of power quality improvement control device needs to be equipped, and there are many external devices. complicated system

Method used

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  • Power quality detecting device with source power expansion

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Embodiment

[0022] Such as figure 1 As shown, a power quality detection device with active power expansion includes a detection device body and a power quality detection unit arranged in the detection device body, the detection device also includes a power quality compensation control unit, and the power quality compensation control unit includes a setting The high-speed serial data interface 5 used to connect the external active power module on the detection device body and the controller set on the detection device body for sending control instructions to the high-speed serial data interface 5, the controller is connected to the power quality The detection unit and the high-speed serial data interface 5, the controller is an embedded controller, multiple high-speed serial data interfaces 5 are configured, and are respectively set to match the communication interfaces of the external active power modules. The above-mentioned external active power modules include APF , SVG, etc., so as to...

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Abstract

The invention relates to a power quality detecting device with source power expansion. The device comprises a detecting device body and a power quality detecting unit arranged in the detecting devicebody. The detecting device further comprises a power quality compensation control unit. The power quality compensation control unit comprises a high-speed serial data interface which is arranged on the detecting device body and is connected with an external active power module, and a controller which is arranged on the detecting device body to transmit a control command to the high-speed serial data interface. The controller is connected with the power quality detecting unit and the high-speed serial data interface. Compared with the prior art, the device provided by the invention can rapidlycarry out function expansion, integrates power quality detection and compensation, and has the advantages of convenient use and reduced peripheral cost.

Description

technical field [0001] The invention relates to a power quality detection device, in particular to a power quality detection device with active power expansion. Background technique [0002] From the perspective of users, power quality refers to all abnormal disturbances in power supply voltage, current and frequency that will cause abnormal operation, failure or power outage of electrical equipment. In recent years, rectifiers, frequency conversion speed control devices, electric arc furnaces, electrified railways and various power electronic equipment in the distribution network have been increasing continuously. The nonlinearity, impact and unbalanced power consumption characteristics of these loads have caused serious pollution to power quality. . On the other hand, the electrical equipment of modern industrial, commercial and residential users is more sensitive to power quality, which puts forward higher requirements for power supply quality. The existing power detect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 舒观澜
Owner LIVESINE ELECTRIC SHANGHAI CO LTD
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