CN115080345A - System and method for monitoring safe operation state of self-shunt excitation system equipment - Google Patents
System and method for monitoring safe operation state of self-shunt excitation system equipment Download PDFInfo
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- CN115080345A CN115080345A CN202210686301.9A CN202210686301A CN115080345A CN 115080345 A CN115080345 A CN 115080345A CN 202210686301 A CN202210686301 A CN 202210686301A CN 115080345 A CN115080345 A CN 115080345A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3013—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is an embedded system, i.e. a combination of hardware and software dedicated to perform a certain function in mobile devices, printers, automotive or aircraft systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3065—Monitoring arrangements determined by the means or processing involved in reporting the monitored data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/321—Display for diagnostics, e.g. diagnostic result display, self-test user interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a system and a method for monitoring the safe running state of self-shunt excitation system equipment, wherein the system comprises an equipment state data generation unit layer, a unit excitation system equipment data acquisition unit layer and an equipment state online monitoring technology control management layer, wherein the unit excitation system equipment data acquisition unit layer acquires data generated by the equipment state data generation unit layer and sends the data to the equipment state online monitoring technology control management layer for monitoring; the invention utilizes the equipment state data unit layer to obtain the equipment real-time state data, utilizes the unit excitation system equipment data acquisition unit to acquire the equipment real-time state data, analyzes the data, analyzes and diagnoses the equipment state according to the data analysis result and the expert database, alarms the fault state, evaluates the excitation system equipment and prompts and reports the equipment defect pre-sensing, thereby realizing the real-time monitoring work of the safe operation state of the self-shunt excitation system equipment.
Description
Technical Field
The invention relates to the technical field of monitoring of self-shunt excitation systems, in particular to a system and a method for monitoring the safe running state of self-shunt excitation system equipment.
Background
The generator excitation system is an important component of the synchronous generator, is a special equipment system for establishing a magnetic field of the synchronous generator, and can be regarded as a set of direct-current power supply device with certain capacity and adjustable output from the perspective of electric quantity conversion. The excitation system provides excitation current for the rotor of the synchronous generator to establish a direct-current magnetic field of the rotor. In the grid-connected operation of the generator set, the requirements of voltage regulation, reactive power balance and the like of a power system determine that an excitation power unit of the generator has enough reliability and certain regulation capacity. In addition, the excitation system of the generator must be able to adapt to the variable load operation, the dead phase operation, the phase advance operation, the operation with different power factors, and the voltage and frequency variation operation conditions within the allowable range of the generator. For power system accidents, sufficient excitation top voltage, voltage rising speed, large forced excitation capability and rapid response capability to improve transient stability and improve system operation conditions are also requirements for the excitation system. In recent decades, excitation systems have been continuously developed and perfected due to the emergence and use of new technologies, new processes and new devices.
However, some faults or abnormal operation states may also occur in the operation of the excitation system, such as excitation transformer faults, excitation switch equipment faults, excitation regulation system faults, excitation starting failures, excessive excitation fluctuation or unstable excitation in the operation process of the generator, abnormal field suppression, incorrect phase sequence of the excitation transformer, TV disconnection faults, cooling fan faults and the like, and these faults all affect the normal operation and operation of the excitation system. In order to prevent the occurrence of the faults and abnormal operation states as much as possible, the safe operation of the excitation system equipment is monitored, the states of all the equipment of the excitation system are monitored in real time, and basis and data are provided for the operation and control of the unit. Meanwhile, the future state of the equipment can be rapidly predicted by combining the current and historical state data of the equipment, and the production can be intelligently and reasonably arranged independently. For equipment with hidden trouble, related experts can be quickly organized to carry out remote diagnosis, and planning and scheme for equipment state maintenance are made, so that decision of a power plant is optimized, benefit is maximized, and safety and intelligence of power production are realized
At present, the state online monitoring technology of the water turbine generator set is mature, but no clear requirements are made on the state monitoring of the safe operation of a speed regulating system and excitation system equipment of the water turbine generator set, most of the existing monitoring systems have single function, collected data are not comprehensive enough, real-time monitoring can not be realized, and the abnormal operation of the equipment can not be found in time.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a system and a method for monitoring a safe operating state of a self-shunt excitation system device, which solve the problems that the existing system for monitoring a safe operating state of a self-shunt excitation system device has a single function, collected data are not comprehensive enough, real-time monitoring cannot be realized, and abnormal operation of the device cannot be found in time.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: a self-shunt excitation system equipment safe operation state monitoring system comprises an equipment state data generation unit layer, a unit excitation system equipment data acquisition unit layer and an equipment state online monitoring technology control management layer, wherein the unit excitation system equipment data acquisition unit layer acquires data generated by the equipment state data generation unit layer and sends the data to the equipment state online monitoring technology control management layer for monitoring, the equipment state data generation unit layer comprises an excitation system power supply equipment state data generation module for detecting power supply equipment data parameters, an excitation device state data generation module for detecting excitation system data parameters and an excitation system signal source equipment state data generation module for detecting signal source equipment data parameters, and the unit excitation system equipment data acquisition unit layer comprises a data acquisition module for acquiring equipment state data generation unit layer generated data, a data acquisition module for acquiring equipment state data, a data acquisition module for acquiring excitation system signal source equipment state data, a data acquisition module for acquiring signal acquisition unit layer generated data acquisition module for acquiring signal source equipment state data, a signal acquisition module for acquiring signal acquisition unit data acquisition unit layer generated by the excitation system signal acquisition module, and a signal source signal generation module for detecting signal source signal generation module for generating signal source signal generation module for detecting signal source signal parameter generation module and signal source signal parameter generation module for detecting signal source signal parameter, The device comprises a data processing module, a data storage module and a data analysis module, wherein the data processing module is used for processing collected data, the data storage module is used for inputting parameters of excitation system equipment, the data analysis module is used for analyzing the processed data, the equipment state online monitoring technology control management layer comprises a data server, a WEB server and an engineer workstation, the WEB server provides wireless network data transmission service for the data server and the engineer workstation, and the data server comprises a historical data unit and an expert database, the historical data unit is used for storing and extracting historical monitoring data, and the expert database is used for storing expert data.
The further improvement lies in that: the engineer workstation comprises an excitation system equipment state analysis and diagnosis module and an excitation system fault remote analysis and diagnosis module, wherein the excitation system equipment state analysis and diagnosis module carries out state analysis and diagnosis on excitation system equipment according to data collected by an expert database and a unit excitation system equipment data collection unit layer, and the excitation system fault remote analysis and diagnosis module realizes excitation system fault remote analysis and diagnosis according to an equipment state analysis and diagnosis result.
The further improvement is that: each equipment state analysis and diagnosis module of the excitation system comprises an equipment on-line state monitoring and displaying unit for permanently displaying the equipment state, an equipment on-line state fault report and alarm unit for outputting an equipment state fault report, an equipment state pre-sensing and equipment evaluation unit for evaluating the equipment state, an equipment state remote monitoring unit for remotely monitoring the equipment state and an equipment parameter and real-time data displaying unit for displaying the equipment parameters in real time.
The further improvement is that: the data acquisition module comprises an excitation system data acquisition unit for acquiring excitation system data, a unit data acquisition unit for acquiring unit data and a speed regulator data acquisition unit for acquiring speed regulator data, wherein the excitation system data acquisition unit, the unit data acquisition unit and the speed regulator data acquisition unit are arranged in a centralized manner.
The further improvement lies in that: the excitation device state data generation module comprises excitation device power unit state data generation units used for generating excitation device power unit state data and excitation device adjusting unit state data used for generating excitation device adjusting unit state data.
The further improvement lies in that: the excitation system power supply equipment state data generation module, the excitation device state data generation module and the excitation system signal source equipment state data generation module are used for detecting data of all equipment of an excitation system through sensors and state switches and generating corresponding detection data for acquisition of a unit layer of the excitation system equipment data acquisition unit of the unit.
A method for monitoring the safe running state of self-shunt excitation system equipment comprises the following steps:
the method comprises the following steps: installing an equipment state data unit layer on each equipment of the unit excitation system for state data monitoring, and acquiring real-time equipment state data from all monitored equipment of the unit excitation system by using the equipment state data unit layer;
step two: acquiring equipment real-time state data acquired by an equipment state data unit layer by using an equipment data acquisition unit of a unit excitation system, processing the data, and storing the equipment real-time state data into a data server of an equipment state online monitoring technology control management layer after the data is processed;
step three: the method comprises the steps of utilizing an equipment state online monitoring technology control management layer to display equipment real-time state data, analyzing the equipment real-time state data, analyzing, diagnosing and monitoring the equipment state online according to a data analysis result and an expert database in the equipment state online monitoring technology control management layer, displaying an equipment state online detection result, alarming a fault state, evaluating a unit excitation system and giving a prompt report for equipment defect pre-sensing of the unit excitation system.
The further improvement lies in that: when data acquisition is carried out, an excitation power supply device state data acquisition point is determined according to an excitation power supply device, a power unit device state data acquisition point is determined according to an excitation device power unit device, a unit excitation device adjusting unit device state data acquisition point is determined according to a unit excitation device adjusting unit device, and a unit state data acquisition point is determined according to a generator set excitation measuring signal source device and a switching value signal source device.
The beneficial effects of the invention are as follows: the invention utilizes the equipment state data unit layer to obtain the real-time state data of the equipment from all the monitored equipment of the excitation system of the unit, utilizes the equipment real-time state data acquisition unit of the excitation system of the unit to acquire the real-time state data of the equipment acquired by the equipment state data unit layer, processes the data, stores the data into the data server, displays the real-time data, analyzes the data, analyzes and diagnoses the equipment state according to the data analysis result and the expert database, displays the online detection result of the equipment state, alarms the fault state, evaluates the excitation system equipment and reports the pre-sensing prompt of the equipment defect, thereby realizing the real-time monitoring work of the safe running state of the self-shunt excitation system equipment, being richer and more comprehensive than the data acquired by the existing monitoring method, having higher timeliness and being capable of timely finding the running abnormity alarm of the system equipment, so as to ensure the normal work of the self-shunt excitation system equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a monitoring system according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a state data acquisition point of an excitation power supply device of a generator set of a hydraulic power plant in a second embodiment of the invention;
fig. 3 is a schematic diagram of device status data acquisition points of components of a power unit of an excitation device according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of device status data acquisition points of components of an excitation device adjusting unit according to a second embodiment of the present invention;
fig. 5 is a schematic diagram of state data acquisition points of the excitation measurement signal source device and the switching value signal source device in the second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, this embodiment provides a system for monitoring a safe operating state of a self-shunt excitation system device, including a device state data generation unit layer, a unit excitation system device data acquisition unit layer, and a device state online monitoring technology control management layer, where the unit excitation system device data acquisition unit layer acquires data generated by the device state data generation unit layer and sends the acquired data to the device state online monitoring technology control management layer for monitoring, the device state data generation unit layer includes an excitation system power device state data generation module for detecting power device data parameters, an excitation device state data generation module for detecting excitation system data parameters, and an excitation system signal source device state data generation module for detecting signal source device data parameters, and the unit excitation system device data acquisition unit layer includes a data acquisition module for acquiring device state data generation unit layer generated data, a data acquisition module for acquiring device state data, a data acquisition unit layer, and a data acquisition unit layer for acquiring data acquisition, The device comprises a data processing module for processing collected data, a data storage module for inputting excitation system device parameters and a data analysis module for analyzing the processed data, wherein the device state online monitoring technology control management layer comprises a data server, a WEB server and an engineer workstation, the WEB server provides wireless network data transmission service for the data server and the engineer workstation, and the data server comprises a historical data unit for storing and extracting historical monitoring data and an expert database for storing expert data.
The engineer workstation comprises an excitation system equipment state analysis and diagnosis module and an excitation system fault remote analysis and diagnosis module, wherein the excitation system equipment state analysis and diagnosis module carries out state analysis and diagnosis on excitation system equipment according to data acquired by an expert database and a unit excitation system equipment data acquisition unit layer, and the excitation system fault remote analysis and diagnosis module realizes excitation system fault remote analysis and diagnosis according to an equipment state analysis and diagnosis result.
Each equipment state analysis and diagnosis module of the excitation system comprises an equipment on-line state monitoring and displaying unit for permanently displaying the equipment state, an equipment on-line state fault report and alarm unit for outputting an equipment state fault report, an equipment state pre-sensing and equipment evaluation unit for evaluating the equipment state, an equipment state remote monitoring unit for remotely monitoring the equipment state and an equipment parameter and real-time data displaying unit for displaying the equipment parameters in real time.
The data acquisition module comprises an excitation system data acquisition unit for acquiring excitation system data, a unit data acquisition unit for acquiring unit data and a speed regulator data acquisition unit for acquiring speed regulator data, and the excitation system data acquisition unit, the unit data acquisition unit and the speed regulator data acquisition unit are arranged in a centralized manner, so that various data can be converted into digital signals in a centralized manner, and the storage, analysis and information transmission are facilitated.
The excitation device state data generation module comprises excitation device power unit state data generation units used for generating excitation device power unit state data and excitation device adjusting unit state data used for generating excitation device adjusting unit state data.
The excitation system power supply equipment state data generation module, the excitation device state data generation module and the excitation system signal source equipment state data generation module are used for detecting data of all equipment of an excitation system through a sensor and a state switch and generating corresponding detection data for acquisition of a unit excitation system equipment data acquisition unit layer.
Example two
Referring to fig. 2, fig. 3, fig. 4, and fig. 5, the embodiment provides a method for monitoring a safe operating state of a self-shunt excitation system device, including the following steps:
the method comprises the following steps: installing an equipment state data unit layer on each equipment of the unit excitation system for state data monitoring, and acquiring real-time equipment state data from all monitored equipment of the unit excitation system by using the equipment state data unit layer;
step two: acquiring equipment real-time state data acquired by an equipment state data unit layer by using an equipment data acquisition unit of a unit excitation system, processing the data, and storing the equipment real-time state data into a data server of an equipment state online monitoring technology control management layer after the data is processed;
when data acquisition is carried out, the state data acquisition point of the excitation power supply equipment is determined according to the excitation power supply equipment, determining state data acquisition points of all components of the power unit according to all components of the power unit of the excitation device, determining state data acquisition points of all parts of an excitation device adjusting unit according to all parts of a unit excitation device adjusting unit, determining the equipment state data acquisition point according to the measuring signal source equipment for generator set excitation and the switching value signal source equipment, the state data acquisition points of the excitation power supply equipment of the generating set of the hydraulic power plant are shown in figure 2, the state data acquisition points of all the parts of the power unit of the excitation device are shown in figure 3, the state data acquisition points of all the parts of the power unit of the excitation device are shown in figure 4, and the state data acquisition points of the measurement signal source equipment for excitation and the switching value signal source equipment are shown in figure 5;
step three: the method comprises the steps of utilizing an equipment state online monitoring technology control management layer to display equipment real-time state data, analyzing the equipment real-time state data, analyzing, diagnosing and monitoring the equipment state online according to a data analysis result and an expert database in the equipment state online monitoring technology control management layer, displaying an equipment state online detection result, alarming a fault state, evaluating a unit excitation system and giving a prompt report for equipment defect pre-sensing of the unit excitation system.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. A self shunt excitation system equipment safe operation state monitoring system which characterized in that: the device state data generation unit layer comprises an excitation system power supply device state data generation module for detecting power supply device data parameters, an excitation device state data generation module for detecting excitation system data parameters and an excitation system signal source device state data generation module for detecting signal source device data parameters, wherein the excitation system device data acquisition unit layer comprises a data acquisition module for acquiring device state data generation unit layer generation data, a data acquisition module for acquiring device state data, a data acquisition unit layer for acquiring device state data, and a device state online monitoring technology control management layer, The device comprises a data processing module, a data storage module and a data analysis module, wherein the data processing module is used for processing collected data, the data storage module is used for inputting parameters of excitation system equipment, the data analysis module is used for analyzing the processed data, the equipment state online monitoring technology control management layer comprises a data server, a WEB server and an engineer workstation, the WEB server provides wireless network data transmission service for the data server and the engineer workstation, and the data server comprises a historical data unit and an expert database, the historical data unit is used for storing and extracting historical monitoring data, and the expert database is used for storing expert data.
2. The system and the method for monitoring the safe operation state of the self-shunt excitation system equipment as claimed in claim 1, wherein: the engineer workstation comprises an excitation system equipment state analysis and diagnosis module and an excitation system fault remote analysis and diagnosis module, wherein the excitation system equipment state analysis and diagnosis module carries out state analysis and diagnosis on excitation system equipment according to data collected by an expert database and a unit excitation system equipment data collection unit layer, and the excitation system fault remote analysis and diagnosis module realizes excitation system fault remote analysis and diagnosis according to an equipment state analysis and diagnosis result.
3. The system and the method for monitoring the safe operation state of the self-shunt excitation system equipment as claimed in claim 2, wherein: each equipment state analysis and diagnosis module of the excitation system comprises an equipment online state monitoring and displaying unit for permanently displaying the equipment state, an equipment online state fault report and alarm unit for outputting an equipment state fault report, an equipment state pre-sensing and equipment evaluation unit for evaluating the equipment state, an equipment state remote monitoring unit for remotely monitoring the equipment state and an equipment parameter and real-time data displaying unit for displaying the equipment parameter in real time.
4. The system and the method for monitoring the safe operation state of the self-shunt excitation system equipment as claimed in claim 1, wherein: the data acquisition module comprises an excitation system data acquisition unit for acquiring excitation system data, a unit data acquisition unit for acquiring unit data and a speed regulator data acquisition unit for acquiring speed regulator data, and the excitation system data acquisition unit, the unit data acquisition unit and the speed regulator data acquisition unit are arranged in a centralized manner.
5. The system and the method for monitoring the safe operation state of the self-shunt excitation system equipment as claimed in claim 1, wherein: the excitation device state data generation module comprises excitation device power unit state data generation units used for generating excitation device power unit state data and excitation device adjusting unit state data used for generating excitation device adjusting unit state data.
6. The system and the method for monitoring the safe operation state of the self-shunt excitation system equipment as claimed in claim 1, wherein: the excitation system power supply equipment state data generation module, the excitation device state data generation module and the excitation system signal source equipment state data generation module detect data of each equipment of the excitation system through the sensors and the state switches, and generate corresponding detection data for the unit layer to collect the excitation system equipment data collection unit of the unit.
7. A method for monitoring the safe operation state of self-shunt excitation system equipment is characterized by comprising the following steps:
the method comprises the following steps: installing an equipment state data unit layer on each equipment of the unit excitation system for state data monitoring, and acquiring real-time equipment state data from all monitored equipment of the unit excitation system by using the equipment state data unit layer;
step two: acquiring equipment real-time state data acquired by an equipment state data unit layer by using a unit excitation system equipment data acquisition unit, processing the data, and storing the equipment real-time state data into a data server of an equipment state online monitoring technology control management layer after the data processing is finished;
step three: the method comprises the steps of utilizing an equipment state online monitoring technology control management layer to display equipment real-time state data, analyzing the equipment real-time state data, analyzing, diagnosing and monitoring the equipment state online according to a data analysis result and an expert database in the equipment state online monitoring technology control management layer, displaying an equipment state online detection result, alarming a fault state, evaluating a unit excitation system and giving a prompt report for equipment defect pre-sensing of the unit excitation system.
8. The method for monitoring the safe operation state of the self-shunt excitation system equipment as claimed in claim 7, wherein the method comprises the following steps: when data acquisition is carried out, an excitation power supply device state data acquisition point is determined according to an excitation power supply device, a power unit device state data acquisition point is determined according to an excitation device power unit device, a unit excitation device adjusting unit device state data acquisition point is determined according to a unit excitation device adjusting unit device, and a unit state data acquisition point is determined according to a generator set excitation measuring signal source device and a switching value signal source device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210686301.9A CN115080345A (en) | 2022-06-17 | 2022-06-17 | System and method for monitoring safe operation state of self-shunt excitation system equipment |
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| CN202210686301.9A CN115080345A (en) | 2022-06-17 | 2022-06-17 | System and method for monitoring safe operation state of self-shunt excitation system equipment |
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| CN202210686301.9A Pending CN115080345A (en) | 2022-06-17 | 2022-06-17 | System and method for monitoring safe operation state of self-shunt excitation system equipment |
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