Hydroelectric generating set speed regulating system control parameter setting method based on characteristic parameters

A technology for hydroelectric generating units and speed regulation system, which is applied in electric speed/acceleration control, control/regulation system, adaptive control and other directions, and can solve problems such as unsatisfactory use effect of setting formula.
CN104808705AInactive Publication Date: 2015-07-29ELECTRIC POWER SCI RES INST OF GUIZHOU POWER GRID CO LTD +1
4 Cites 17 Cited by

Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
ELECTRIC POWER SCI RES INST OF GUIZHOU POWER GRID CO LTD
Publication Date
2015-07-29
Estimated Expiration
Not applicable ยท inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a hydroelectric generating set speed regulating system control parameter setting method based on characteristic parameters and belongs to the technical field of optimization of water turbine speed regulators. The hydroelectric generating set speed regulating system control parameter setting method comprises the following steps: (1) obtaining a hydroelectric generating set non-dimensional characteristic equation through non-dimensional processing; (2) applying Routh-Hurwitz stable criterion and a root-locus method to solve speed regulating system optimal control parameters; and (3) utilizing a linear regression method and a curve fitting technology to obtain an optimal value of speed regulating system control parameters. The hydroelectric generating set speed regulating system control parameter setting method has the advantages of simple setting process, small calculation amount, easiness for realization and the like; the speed regulating system optimal control parameters are directly set according to five characteristic parameters (including a water flow inertia time constant, a set inertia time constant, a servomotor responding time constant, a perpetual state rotary difference coefficient and a power generator comprehensive self-adjusting coefficient).
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of optimization of a speed governor of a water turbine, and more specifically relates to a method for setting control parameters of a speed regulation system of a hydroelectric unit based on characteristic parameters. Background technique

[0002] As an important part of the power system, hydroelectric units are ideal for frequency regulation, peak regulation and emergency backup power because they have the advantages of fast startup and shutdown, quick response, and the ability to quickly and flexibly adjust to grid conditions.

[0003] The regulation performance of a hydroelectric unit is mainly determined by the control parameters of its speed regulation system. However, for a long time, there is still a lack of effective methods for control parameter tuning, mainly relying on the experience summed up by hydropower station operators on the operating conditions and rules of specific units. Therefore, how ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More