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Intelligent plug-in strip with load shedding function and its working method

A load shedding and load shedding technology, applied in the field of intelligent power strips with load shedding function, can solve the problems of inability to meet refined load shedding and flexible load shedding, inability to judge the operating state of the load, and inability to distinguish the importance of the load, etc. Fineness, reduced operating power, and the effect of small power shortages

Active Publication Date: 2019-07-09
SHANDONG UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing smart plug-in strips are mainly to meet the needs of users, and there are few related products for power system control needs.
In addition, the existing smart plug-in strips cannot distinguish the importance of the load, cannot judge the operating status of the load, can only switch the load simply, cannot realize the flexible control of the load, and cannot meet the needs of fine load shedding and flexible load shedding
[0007] To sum up, the existing devices and equipment cannot well meet the requirements of fine load shedding and flexible load shedding

Method used

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  • Intelligent plug-in strip with load shedding function and its working method
  • Intelligent plug-in strip with load shedding function and its working method
  • Intelligent plug-in strip with load shedding function and its working method

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Embodiment Construction

[0065] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0066] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0067] figure 1 It is a structural block diagram of the first intelligent plug-in strip with load shedding func...

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Abstract

The invention discloses an intelligent power strip with a load shedding function and a working method thereof. The intelligent power strip with the load shedding function comprises a power strip body, wherein load sockets are arranged on the power strip body; the load sockets are successively connected with a commercial power supply through independent relay modules and power monitoring modules and form a power supply circuit after the relay modules are switched off. The load sockets are equipped with independent multi-segment selection switches; each gear of the multi-segment selection switches corresponds to an I / O port of a microprocessor; selected gears are low levels, the rest is high level; the importance levels of loads connected with the load sockets are obtained according to the values of the levels of the corresponding I / O ports of the microprocessor; the multi-segment selection switches, the relay modules and the power monitoring modules are connected with the microprocessor; and the microprocessor is connected with a load shedding control center. The power strip is simple in installation, is plug and play and is applicable to wide popularization, and a building and a special communication network do not need to be modified.

Description

technical field [0001] The invention relates to a load shedding terminal device of an electric power system, in particular to an intelligent plug-in strip with a load shedding function and a working method thereof. Background technique [0002] The safety and stability control of my country's power system includes three lines of defense. The first line of defense requires the power system to maintain stable operation and normal power supply, mainly through relay protection to remove faults; the second line of defense requires the power system to maintain stable operation, but the loss of part of the load is allowed. , which is mainly event-driven emergency shutdown and load shedding; the third line of defense requires that when the system is unstable, it must prevent the system from collapsing and minimize load loss, which is mainly driven by low-frequency low-voltage load shedding (load shedding) and Automatic decoupling. As an important measure in the second and third lines...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/66H01R13/70H01R43/00H02J3/14
CPCH01R13/665H01R13/6683H01R13/6691H01R13/70H01R43/00H02J3/14Y02B70/3225Y04S20/222
Inventor 张恒旭曹永吉马世英陈得治王青
Owner SHANDONG UNIV
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