Multi-working condition power system adaptive control method and device
A technology of adaptive control and power system, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problem that the current working conditions of the design scene are difficult to match
Active Publication Date: 2018-01-23
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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[0005] In view of this, the purpose of the present invention is to overcome the problem that the design scenario is difficult to match with the current working conditions due to the limitations of fixed fault sets in the prior art, and propose a multi-working-condition power system considering the discrete Markov model Adaptive control method and device
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[0075] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0076] Detailed exemplary embodiments are disclosed below. However, specific structural and functional details disclosed herein are merely for purposes of describing example embodiments.
[0077] It should be understood, however, that the invention is not limited to the particular exemplary embodiments disclosed, but covers all modifications, equivalents, and alternatives falling within the scope of the disclosure. Throughout the description of the figures, the same reference numerals denote the same elements.
[0078] Also, it should be understood that as used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Also it will be understood that when a component or unit is referred to as being “connected” or “coupled” to another component or unit, it can be directly connected or coupled to the other component or ...
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A multi-working-condition power system adaptive control method and device, the device includes a data acquisition module, a multi-working-condition power system model building module, an adaptive control strategy generation module, a controller combination module and a result output module, wherein the data acquisition The module is used to collect network structure parameters, power grid state vectors, and control output vectors; the multi-working-condition power system model building module is used to build multi-working-condition power system models and determine stability criteria; the adaptive control strategy generation module is used to control the system Each sub-condition matches the controller to solve; the controller combination module is used to select the controller combination mode by using the weighting method; the result output module is used to output the controller combination mode. The multi-working-condition power system adaptive control method and device of the present invention can combine the time-varying power system model with the stochastic gradient online identification method, and use weighting coefficients to realize adaptive control.
Description
technical field [0001] The invention relates to the technical field of power system stability analysis, in particular to the technical field of multi-working-condition power system control. Background technique [0002] With the rapid growth of power demand and the increasingly complex grid structure, the problem of multi-working conditions has become one of the most critical issues affecting the safe and stable operation of power systems. Therefore, it is necessary to study adaptive control strategies for power system multi-working conditions. has extremely important practical significance. [0003] At present, the design of controllers for multi-working-condition power systems is mainly based on the robust control method, which incorporates multi-working-condition factors as system uncertainties into H∞ control and μ control, among which H∞ control and μ control are modern control theories. Methods in Designing Multivariable Input-Output (MIMO) Robust Control Systems in ....
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IPC IPC(8): G05B13/04
Inventor 马静陈亦骏孙吕祎王桐
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)