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Household load classification power grid friendly response control method

A control method and household load technology, applied in the direction of power network operating system integration, AC network voltage adjustment, information technology support system, etc., to achieve the effect of increasing penetration rate, maintaining stability, and promoting construction

Inactive Publication Date: 2015-10-21
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Later, the Pacific Northwest National Laboratory of the United States developed a grid-friendly device for a single electrical device that can meet the needs of large users, but it did not involve the coordination of multiple electrical devices for a large number of household users to respond friendly

Method used

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  • Household load classification power grid friendly response control method
  • Household load classification power grid friendly response control method
  • Household load classification power grid friendly response control method

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] figure 1 It is a composition diagram of hardware system modules centered on intelligent loads. The figure shows that the entire smart home appliance management system is centered on household electrical equipment (load), supplemented by communication modules, measurement modules, control modules, storage modules, alarm modules, and display modules. Among them, the communication module adopts the Bluetooth module BRF6150, which can realize short-distance fast communication within the family; the measurement module uses the existing power grid frequency monitoring device to detect the frequency of the power grid in real time; the storage module uses the MC9S12UF32 storage device to collect The frequency of the power grid is stored, and at the same time, the user's operation on the running state of the electrical appliance is recorded; the alarm module, ...

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Abstract

The invention discloses a household load classification power grid friendly response control method. The method is characterized by enabling frequency response state of a power grid to be stepped through monitoring frequency and frequency fluctuation change rate of the power grid in real time; classifying household load into adjustable load, interruptible load and remindable load according to the performances of household appliances; and according to the relation between power grid real-time frequency and stepped frequency value and relationship between the power grid frequency fluctuation change rate and response indexes, realizing a control strategy that various loads friendly responds to the corresponding state frequency actively. According to the method, the function that the household load friendly responds to the grid frequency initiatively is achieved, thereby not only meeting power utilization experience of users, reducing operation cost of grid companies, but also improving construction of smart power grids and realizing the purpose of energy saving and emission reduction.

Description

technical field [0001] The invention belongs to the field of smart grids, in particular to a family load classification friendly response control method based on step frequency response. Background technique [0002] With the increasing development of the national economy, the demand for electricity has increased significantly and the problem of global resource shortage has become increasingly prominent. The development and application of new energy has become a consensus, but it also brings challenges to the stable operation of the power system. The traditional way of mobilizing the power of the standby unit, supplemented by conventional low-frequency load shedding, power cuts and other measures, will help maintain the stability of the power grid, but it will increase the operating cost of the power system or affect the user's power consumption experience. [0003] As early as 2002, Professor Thiringer of Sweden first proposed the concept of "grid-friendliness". The load-si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/14
CPCY02B70/3225Y04S20/222
Inventor 李利娟廖正海刘红良王丽娟赵阳
Owner XIANGTAN UNIV
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