Hydropower station regulation stability discrimination system
By building a hydropower station regulation stability discrimination system, the problem of lack of scientific discrimination methods in the regulation operation of hydropower stations is solved, stability evaluation and adjustment are achieved, and operation efficiency and safety are improved.
Patent Information
- Application Number
- CN202421903629.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-08-07
AI Technical Summary
There is a lack of scientific and systematic judgment methods in the regulation and operation of hydropower stations, and it is difficult to accurately evaluate and adjust stability in real time, resulting in unstable operation and affecting power generation efficiency and unit safety.
Build a hydropower station regulation stability discrimination system, including a data acquisition module, a data processing module and a stability discrimination module. By collecting and processing the data of the flow channel system and the hydropower generator set, calculate relevant parameters, and perform stability discrimination and adjustment parameters to ensure stable operation.
It improves the operating efficiency of hydropower stations, reduces unit wear and maintenance costs, reduces dependence on experience and manual operations, and improves production efficiency.
Smart Images
Figure CN223215354U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hydropower station regulation stability judgment system. Background Art
[0002] As an important clean energy generation method, hydropower stations play a crucial role in the power system. However, due to various uncertainties in their operation, such as water flow variations and load fluctuations, hydropower stations are prone to stability issues during operation. These issues not only affect power generation efficiency but also pose a threat to the safe operation of the units.
[0003] Currently, hydropower station regulation and operation rely heavily on experience and manual manipulation, lacking a scientific and systematic approach to assessment, making it difficult to accurately assess and regulate hydropower station stability in real time. Establishing a regulation stability assessment system for hydropower stations to ensure stability under various operating conditions can improve overall operational efficiency and reduce unit wear and maintenance costs. Utility Model Content
[0004] The utility model aims to address the deficiencies in the existing technology and provide a hydropower station regulation stability judgment system to solve the problem that the regulation operation of the hydropower station mostly relies on experience and manual operation, lacks a scientific and systematic judgment method, and is difficult to accurately evaluate and adjust the stability of the hydropower station in real time.
[0005] The utility model provides a hydropower station regulation stability judgment system, which includes a data acquisition module, a data processing module and a stability judgment module;
[0006] The data acquisition module includes a flow channel system data acquisition module and a hydro-generator set data acquisition module; wherein the flow channel system data acquisition module is used to collect flow channel system data, including but not limited to pipe length and diameter; the hydro-generator set data acquisition module is used to collect hydro-generator set data, including but not limited to turbine full characteristic curve, head, flow, guide vane opening and unit load; the data acquisition module is connected to the data processing module and the stability judgment module, and transmits the collected data to the data processing module and the stability judgment module;
[0007] The data processing module processes the flow system data and hydro-generator unit data input by the data acquisition module to calculate and solve relevant parameters of the hydropower station. These parameters include, but are not limited to, the water flow elastic time constant, the water flow inertia time constant, the turbine transfer coefficient, and the unit inertia time constant. The calculation results are transmitted to the stability determination module.
[0008] The stability determination module is used to perform stability analysis on the input hydropower station data and parameters, determine the stability results, display the stability domain of the hydropower station, and provide adjustment parameters to ensure the stable operation of the hydropower station.
[0009] Preferably, the flow channel system data acquisition module and the hydropower generation system data acquisition module are connected to various data acquisition devices of the corresponding hydropower station.
[0010] Preferably, the data processing module is used to receive the flow channel system data and the hydropower generation system data, calculate and solve the relevant parameters of the hydropower station, and obtain the relevant parameters of the hydropower station.
[0011] Preferably, the stability judgment module is used to receive data from the data acquisition module and the data processing module, perform matrix construction, eigenvalue calculation and stability judgment in sequence, display the stability domain of the system, and provide hydropower station adjustment parameters to ensure the stable operation of the hydropower station.
[0012] Preferably, the data processing module and the stability determination module are implemented using a computer system.
[0013] The technical effect of this utility model is as follows: the data acquisition module collects flow system data and hydropower system data, the data processing module calculates and solves relevant parameters of the hydropower station, and inputs the results into the stability determination module for stability determination. The system displays the stability domain of the hydropower station and provides adjustment parameters to ensure the stability of the hydropower station under various operating conditions, thereby improving overall operating efficiency, reducing unit wear and maintenance costs, and eliminating the need for personnel to rely on experience and manual operation to adjust parameters, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention will be further described below with reference to the accompanying drawings:
[0015] Figure 1 It is a structural diagram of the present utility model.
[0016] In the figure: data acquisition module 1, data processing module 2, stability judgment module 3. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0018] like Figure 1As shown, the hydropower station regulation stability judgment system provided by the present invention includes a data acquisition module 1, a data processing module 2 and a stability judgment module 3.
[0019] The data acquisition module 1 includes a flow channel system data acquisition module 1 and a hydro-generator set data acquisition module 1. These modules are connected to various data acquisition devices at the corresponding hydropower station, through which they collect information such as pipeline length and diameter, turbine full characteristic curve, head, flow rate, guide vane opening, and unit load. The data acquisition devices include pressure sensors, speed sensors, angle or position sensors, flow meters, measuring wheels, calipers, and other instruments, with each type of instrument determined based on the existing equipment at the hydropower station.
[0020] The data processing module 2 obtains flow channel system data and hydro-generator unit data from the data acquisition module 1, calculates and solves relevant parameters of the hydropower station, obtains parameters such as the water flow elastic time constant, water flow inertia time constant, turbine transfer coefficient, and unit inertia time constant, and provides data preparation for the stability judgment module 3. The data processing module 2 can be implemented using a computer system to ensure the accuracy and rationality of the parameter calculation and solution process, while also improving computational efficiency.
[0021] The stability judgment module 3 is connected to the data acquisition module 1 and the data processing module 2, and is used to receive all the data of the hydropower station, perform matrix construction, eigenvalue calculation and stability judgment in sequence, display the stability domain of the system, and provide the hydropower station adjustment parameters to ensure the stable operation of the hydropower station.
[0022] In the application, data is first collected into the data acquisition module 1 through the acquisition device in the hydropower station; then, the data processing module 2 obtains the flow system data and the hydro-generator set data from the data acquisition module 1, processes them to obtain the relevant parameters of the hydropower station, and provides data preparation for the stability judgment module 3; finally, the stability judgment module 3 analyzes and judges the stability of the hydropower station, and outputs the stability domain and the selection range of the hydropower station adjustment parameters.
[0023] In summary, the system of the utility model constructs an efficient and practical hydropower regulation stability judgment system, which can improve the overall operating efficiency of the hydropower station, reduce the wear and maintenance costs of the units, and at the same time enable staff to no longer rely on experience and manual operation to adjust parameters, thereby improving production efficiency.
[0024] The contents described in the embodiments of this specification are merely an enumeration of the implementation forms of the utility model concept. The protection scope of the utility model should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the utility model also extends to equivalent technical means that can be thought of by those skilled in the art based on the concept of the utility model.
Claims
1. A hydropower station regulation stability judgment system, characterized in that: It includes data acquisition module, data processing module and stability judgment module; The data acquisition module includes a flow channel system data acquisition module and a hydro-generator set data acquisition module, the flow channel system data acquisition module is used to collect flow channel system data, the hydro-generator set data acquisition module is used to collect hydro-generator set data, and the data acquisition module is connected to the data processing module and the stability judgment module; The flow channel system data acquisition module and the hydro-generator set data acquisition module are connected to various data acquisition devices of the corresponding hydropower station; The data processing module is connected to the stability judgment module, and is used to process the flow channel system data and the hydro-generator set data input by the data acquisition module to complete the calculation and solution of relevant parameters of the hydropower station; The stability judgment module is used to perform stability analysis on the hydropower station data and parameters input by the data processing module.
2. A hydropower station regulation stability determination system according to claim 1, characterized in that: The parameters obtained by the data processing system include the water flow elastic time constant, the water flow inertia time constant, the turbine transfer coefficient and the unit inertia time constant.
3. A hydropower station regulation stability determination system according to claim 1, characterized in that: The stability judgment module is used to output the stability region of the hydropower station and the selection range of the adjustment parameters.
4. A hydropower station regulation stability determination system according to claim 1, characterized in that: The data acquisition device includes a pressure sensor, a rotation speed sensor, an angle or position sensor, a flow meter, a measuring wheel and a caliper.