An unattended hydropower station defect management method

Abstract

This invention provides a method for defect control in unmanned hydropower stations, characterized by the following steps: (1) defect information acquisition, (2) defect information analysis and generation of defect handling orders, (3) review of defect handling orders, (4) receiving and reviewing defect handling orders, (5) preparation of defect handling plans, (6) improvement of defect handling orders, (7) submission of improved defect handling orders, (8) transfer of defect handling orders to the defective power station, and (9) defect handling. This method effectively avoids missed alarms, supplements the intelligent monitoring system of basin-wide centralized control, standardizes defect management in various power stations within the basin, quickly provides a preliminary judgment of the cause of anomalies, significantly improves defect analysis efficiency, and provides reliable assurance for defect elimination. It also contributes to safe production through remote centralized control and unmanned operation.

Description

TECHNICAL FIELD

[0001] The present application relates to a method for controlling defects of a hydropower station, in particular to an unattended method for controlling defects of a hydropower station, and belongs to the technical field of automatic control of hydropower stations. BACKGROUND

[0002] The wisdom empowerment system is a new management system for intelligently judging, analyzing, investigating, and deciding the faults of power equipment, and is the safety foundation for building a new power system. At present, some substations of State Grid and Southern Power Grid have realized the intelligent management of abnormalities and accidents. With the development of technology and the advent of the 5G Internet of Things and big data era, the production and operation mode of "remote centralized control and unattended operation" of the basin hydropower station has made great progress. In the development process of intelligent power stations and intelligent centralized control, the wisdom operation, wisdom monitoring, wisdom early warning, and wisdom analysis and processing of defects of hydropower stations are constantly explored, so as to continuously improve the safety and reliability of the power system and the power plant equipment. In the development process of the intelligent centralized control of the basin hydropower station, the intelligent analysis and processing of equipment faults and automatic repair are the most important for ensuring the safety and stability of the new power system, and are also the key to ensuring the safety of basin water regulation. Improving the defect processing efficiency and quality is the basis for the safety centralized control of the basin hydropower station. The main reason affecting the defect processing efficiency at present is the analysis and judgment of defects. Artificially needs to query the technical data related to the alarm equipment, and analyzes and judges the influence range and safety measures for defect processing through artificial analysis and judgment, which reduces the defect processing efficiency and causes misjudgment due to individual skills. Therefore, it is necessary to improve the existing technology. SUMMARY

[0003] In order to solve the problems of low processing efficiency, easy artificial misjudgment, and poor safety measure processing of the existing hydropower station management system, the present application provides an unattended method for controlling defects of a hydropower station.

[0004] The present application is completed by the following technical scheme: an unattended method for controlling defects of a hydropower station, characterized by comprising the following steps:

[0005] (1) acquiring whether defects occur in each operation system of the hydropower station through a defect intelligent management system;

[0006] (2) The alarm information of the defective hydropower station corresponding to the alarm device and the related information of the big data analysis intelligent system are sent to the defect intelligent management system. The defect intelligent management system acquires the defect processing sheet, intelligently retrieves the technical specification or related technical data of the alarm device, analyzes the devices associated with the software and hardware of the alarm device, judges the related measurement sources, channels and related measurement nodes of the alarm device, intelligently judges the alarm of the alarm device, intelligently generates the causes of the alarm of the alarm device through big data analysis and related technical data, sorts the alarm causes, automatically fills in the defect processing sheet, intelligently generates the possible impact of the alarm device on normal generation and operation through the related devices associated with the software and hardware of the alarm device and the data transmission, automatically fills in the defect processing sheet, intelligently generates the processing method and suggestion for the defect, and automatically fills in the defect processing sheet. After intelligent analysis and processing and automatic filling, the defect processing sheet is automatically generated, which is reported by the defect intelligent management system through the window and is added with voice alarm to inform the control operation personnel of the defect processing sheet;

[0007] (3) Review the defect processing sheet, manually review the alarm causes, impact range, processing suggestion and safety measure execution intelligently generated, and evaluate whether the current system meets the defect processing conditions;

[0008] (4) Receive the defect processing sheet and send it to the defective hydropower station through the defect intelligent management system, which is accepted by the on-duty personnel of the hydropower station and notified to the relevant professional personnel for processing;

[0009] (5) Prepare the defect processing scheme. The defective hydropower station prepares the specific defect processing scheme according to the contents listed in the defect processing sheet and in combination with the on-site working conditions, and returns the defect intelligent management system;

[0010] (6) Perfect the defect processing sheet. The defective hydropower station perfects the defect processing sheet in combination with the on-site defect situation. The perfect contents include: alarm causes, impact range, processing suggestion, safety measure execution sequence and processing time. If the execution of safety measures requires power-off operation of related devices, an operation clause with the power of operation ticket is edited in the defect processing sheet;

[0011] (7) Report the perfected defect processing sheet. The perfected defect processing sheet is reported to the control center for audit through the defect intelligent management system;

[0012] (8) The defect processing sheet is transferred to the defective power station. The control center analyzes and audits the modification, newly added impact range, processing method, safety measure execution clause and processing time of the defective power station, determines whether it meets the safety requirements of the current power system and the dispatching of the reservoirs in the basin, and then transfers the defect processing sheet to the defective power station after the audit through the defect intelligent management system;

[0013] (9) Defect processing. The power station with defects executes the relevant operation according to the safety measure execution clause item by item. After the defect elimination condition is met, the defect processing is carried out. If the defect is normally processed, the power supply is restored according to the safety measure removal clause. If the defect cannot be normally processed for a short time, the alarm device of the power station with defects is isolated. The processing process and result are recorded in the defect processing sheet and fed back to the centralized control center. According to the processing result, the centralized control center selects to archive the defect processing sheet or return it to the defect elimination class waiting for instructions.

[0014] The defects obtained by the defect intelligent management system of the step (1) include: the monitoring alarm information automatically collected by the defect intelligent management system, or the alarm condition found by performing inspection on important equipment of the power station according to requirements, or the alarm condition found by performing remote inspection on equipment of each power station in the basin.

[0015] The monitoring alarm information automatically collected by the defect intelligent management system is analyzed and processed after a certain time delay. The certain time delay = the time required for manual confirmation + the inherent parameter setting of the equipment.

[0016] According to requirements, the important equipment of the power station is inspected, and the on-site alarm of the equipment found is recorded in the defect intelligent management system by the inspection personnel, and the alarm information is analyzed and processed by the system.

[0017] The centralized control operation personnel need to perform remote inspection on the equipment of each power station in the basin from time to time. If the equipment alarm is found in this process, the defect intelligent management system is recorded by the centralized control inspection personnel, and the alarm information is analyzed and processed by the system.

[0018] The present application has the following advantages and effects: by automatically obtaining defects such as abnormalities and faults, sending the defects to the defect intelligent management system for analysis, generating a defect processing sheet, reviewing, preparing a defect processing scheme, perfecting the defect processing sheet, and finally performing defect processing, the present application effectively avoids missing alarms, supplements the intelligent monitoring of the basin centralized control, standardizes the defect management of each power station in the basin, quickly gives a preliminary judgment of the abnormal reason, greatly improves the defect analysis efficiency, and provides reliable protection for eliminating defects. It is helpful for remote centralized control and unattended safety production. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The flowchart of the present application. DETAILED DESCRIPTION

[0020] The present application will be further described below with reference to the accompanying drawings.

[0021] The unattended hydropower station defect management method provided by the present application comprises the following steps:

[0022] (1) Defect information acquisition, whether defects occur in the operation system of each hydropower station is acquired through the defect intelligent management system;

[0023] The defects acquired by the defect intelligent management system include: automatic acquisition of monitoring alarm information by the defect intelligent management system, or discovery of alarm conditions by performing inspection on important equipment of the power station according to requirements, or discovery of alarm conditions by performing remote inspection on equipment of each power station in the basin, wherein:

[0024] The monitoring alarm information that has not been confirmed by the human and has not been automatically returned is analyzed and processed after a certain time delay after the defect intelligent management system automatically acquires the monitoring alarm information, and the certain time delay = the time required for manual confirmation + the inherent parameter setting of the equipment;

[0025] According to the requirements, the important equipment of the power station is inspected, and the defects found by the inspection personnel are recorded in the defect intelligent management system if the equipment on site has already alarmed but has not been sent to the monitoring system, and the system analyzes and processes the alarm information;

[0026] The control operation personnel need to perform remote inspection on the equipment of each power station in the basin from time to time, and if an alarm of the equipment is found in this process, the defect intelligent management system is recorded by the control inspection personnel, and the system analyzes and processes the alarm information;

[0027] (2) Defect information analysis, generation of defect processing sheet, the alarm information of the alarm equipment of the hydropower station with defects and the related information of the big data analysis intelligent system are sent to the defect intelligent management system, and the defect intelligent management system intelligently retrieves the technical specification or related technical data of the alarm equipment according to the acquired defect processing sheet, analyzes the devices associated with the software and hardware of the alarm equipment, judges the related measurement source, channel and related measurement node of the alarm equipment, intelligently judges the alarm of the alarm equipment, intelligently generates the causes of the alarm of the alarm equipment through big data analysis and related technical data, sorts the alarm causes, and automatically fills in the defect processing sheet, intelligently generates the possible impact of the alarm equipment on normal generation and operation through the related devices associated with the software and hardware of the alarm equipment, and automatically fills in the defect processing sheet, intelligently generates the processing method and suggestion for the defect, and automatically fills in the defect processing sheet, intelligently analyzes and processes and automatically fills in, and automatically generates the defect processing sheet, which is popped up by the defect intelligent management system through the window and is reported by voice alarm, and the defect processing sheet is notified to the control operation personnel;

[0028] (3) Review of defect processing sheet, after receiving the defect processing sheet, the control operation personnel manually reviews the alarm causes, impact range, processing suggestion and safety measure execution intelligently generated, and evaluates whether the current system meets the defect processing conditions;

[0029] (4) receiving the defect processing sheet and sending it to the power station with defects through the defect intelligent management system, and the on-duty personnel of the power station receiving it and notifying relevant professionals to process;

[0030] (5) preparing a defect processing plan, and the power station with defects preparing a specific defect processing plan according to the contents listed in the defect processing sheet and in combination with the on-site working conditions, and returning the defect processing plan to the defect intelligent management system;

[0031] (6) perfecting the defect processing sheet, and the power station with defects perfecting the defect processing sheet in combination with the on-site defect conditions, and the perfecting contents including alarm reasons, influence ranges, processing suggestions, safety measure execution sequences, and processing times; if the execution of safety measures needs to stop the operation of related equipment, then editing operation clauses with the operation order efficiency in the defect processing sheet;

[0032] (7) reporting the perfected defect processing sheet, and reporting the perfected defect processing sheet to the control center for auditing through the defect intelligent management system;

[0033] (8) defect processing sheet flowing to the power station with defects, the control center analyzing and auditing the modification, newly added influence ranges, processing methods, safety measure execution clauses, and processing times of the power station with defects, determining whether the safety requirements of the current power system and the dispatching of the reservoir in the basin are met, and after auditing through the defect intelligent management system, the defect processing sheet flows to the power station with defects;

[0034] (9) defect processing, the power station with defects executing related operations according to the safety measure execution clauses, carrying out defect processing after the defect elimination conditions are met, if the defect is normally processed, then carrying out power restoration according to the removal of safety measures clauses, if the defect cannot be normally processed for a short time, then isolating the alarm equipment of the power station with defects; recording the processing process and results in the defect processing sheet and feeding back to the control center, and the control center selecting to archive the defect processing sheet or return it to the defect elimination class waiting for instructions.

Claims

1. A method for defect control in an unmanned hydropower station, characterized in that... Includes the following steps: (1) Defect information acquisition: The defect intelligent management system is used to obtain whether defects have occurred in the operation system of each hydropower station; (2) Defect information analysis and generation of defect handling form: The alarm information issued by the corresponding alarm equipment of the defective hydropower station and the relevant information of the big data analysis intelligent system are sent to the defect intelligent management system. The defect intelligent management system intelligently retrieves the technical manual or related technical data of the alarm equipment based on the obtained defect handling form, analyzes the equipment with software and hardware association with the alarm equipment, judges the relevant measurement source, channel and related measurement node of the alarm equipment, makes intelligent judgment on the alarm of the alarm equipment, intelligently generates the cause of the alarm of the alarm equipment through big data analysis and related technical data, sorts the alarm causes and automatically fills them in the defect handling form. Through the related equipment with software and hardware association and data transmission with the alarm equipment, intelligently generates the possible impact of the alarm equipment on normal operation and automatically fills them in the defect handling form. Intelligently generates the handling method and suggestions for the defect and automatically fills them in the defect handling form. After intelligent analysis, processing and automatic filling, the defect handling form is automatically generated and the defect intelligent management system pops up the window and adds voice alarm to notify the centralized control operation personnel of the defect handling form. (3) Review the defect handling form. After receiving the defect handling form, the centralized control operator manually reviews the alarm cause, scope of impact, handling suggestions, and implementation of safety measures generated by the system to assess whether the current system meets the defect handling conditions. (4) Receive the defect handling order and send it to the defective hydropower station through the defect intelligent management system. The station's on-duty personnel will receive the order and notify the relevant professionals to handle it. (5) Prepare a defect handling plan. Based on the contents listed in the defect handling form and in combination with the on-site working conditions, prepare a specific defect handling plan for the hydropower station with defects and send it back to the defect intelligent management system. (6) Improve the defect handling form. For power plants with defects, improve the defect handling form based on the on-site defect situation. The improved content includes: alarm cause, scope of impact, handling suggestions, order of execution of safety measures, and handling time. If the execution of safety measures requires the operation of related equipment to shut down, then edit the operation clause with the effect of the operation ticket in the defect handling form. (7) Submit the improved defect handling form. The improved defect handling form shall be submitted to the central control center for review through the defect intelligent management system. (8) The defect handling order is transferred to the defective power station. The central control center analyzes and reviews the modification and addition of the defective power station, the scope of impact, handling method, safety measures implementation clauses and handling time. After determining whether it meets the safety requirements of the current power system and river basin reservoir scheduling, the defect handling order is transferred to the defective power station after being reviewed by the defect intelligent management system. (9) Defect handling: For a power station with defects, the relevant operations shall be carried out one by one in accordance with the safety measures execution clause. After the conditions for defect elimination are met, defect handling shall be carried out. If the defect is handled normally, power shall be restored in accordance with the removal safety measures clause. If the defect cannot be handled normally in a short time, the alarm equipment of the power station with defects shall be isolated. The handling process and results shall be recorded in the defect handling form and fed back to the central control center. The central control center shall choose to archive the defect handling form or classify it as a defect to be eliminated and wait for instructions based on the handling results.

2. The method for defect control of unmanned hydropower stations according to claim 1, characterized in that... The defects acquired by the defect intelligent management system in step (1) include: automatically collected monitoring alarm information by the defect intelligent management system, or alarm situations discovered by conducting inspections of important equipment in the power station as required, or alarm situations discovered by remotely inspecting equipment in various power stations in the basin, wherein: The defect intelligent management system automatically collects monitoring alarm information. After a certain delay, it analyzes and processes alarm information that has not been manually confirmed or automatically reset. The certain delay = the time required for manual confirmation + the inherent parameter settings of the equipment. If the inspection personnel find that the equipment has triggered an alarm on-site but has not been transmitted to the monitoring system, they shall enter the defect into the defect intelligent management system, which will then analyze and process the alarm information. Centralized control operators need to conduct remote inspections of the equipment at various power stations in the basin at regular intervals. If an alarm is detected during this process, the centralized control inspectors will enter the information into the intelligent defect management system, which will then analyze and process the alarm information.

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