CN112202241A - A state monitoring and fault judgment system for distribution network equipment - Google Patents
A state monitoring and fault judgment system for distribution network equipment Download PDFInfo
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
本发明提供了一种配网设备状态监测及故障判断系统，包括：开关站状态监测子系统以及环网柜状态监测子系统，通过对室内设备及环境主要设备的物理模型特征进行监测、控制，可方便对设备运行情况进行监测，线路故障时可及时检查设备的分合状态，提前进行故障预判；监测蓄电池状态，防止其过放电或自然等现象；监测开关柜顶部是否有水，判断室内是否漏雨，可及时采取相应措施；同时可添加图像识别功能。通过以上数据的采集，通过无线WIFI或4G网发至云端，运维人员可通过登录APP进行查看。开关站状态监测子系统用于监测开关柜、直流屏、DTU、空调、暖气以及室内的状态，环网柜状态监测子系统用于监测环网柜以及直流屏。
The invention provides a state monitoring and fault judging system for distribution network equipment, including: a switching station state monitoring subsystem and a ring network cabinet state monitoring subsystem. By monitoring and controlling the physical model characteristics of indoor equipment and main environmental equipment, It is convenient to monitor the operation of the equipment. When the line is faulty, the opening and closing status of the equipment can be checked in time to predict the fault in advance; monitor the status of the battery to prevent over-discharge or natural phenomena; monitor whether there is water on the top of the switch cabinet to determine the indoor Corresponding measures can be taken in time if there is rain leakage; at the same time, the image recognition function can be added. Through the above data collection, it is sent to the cloud through wireless WIFI or 4G network, and the operation and maintenance personnel can view it by logging in to the APP. The switch station status monitoring subsystem is used to monitor the status of switch cabinets, DC panels, DTUs, air conditioners, heating and indoors, and the ring network cabinet status monitoring subsystem is used to monitor the ring network cabinets and DC panels.
Description
Technical Field
The invention relates to the technical field of power station equipment management, in particular to a distribution network equipment state monitoring and fault judging system.
Background
The existing systems of the power distribution station room comprise a security system (entrance guard and video monitoring), a fire alarm and automatic fire extinguishing system, an environment monitoring and automatic ventilation system, a storage battery management system, a water immersion monitoring system and the like. The prior art does not have a set of complete monitoring means aiming at the running state of main equipment of a power distribution station room, the monitoring among all the equipment is mutually independent, and the comprehensive analysis and fault early warning functions of monitoring data cannot be formed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a distribution network equipment state monitoring and fault judging system.
The invention aims to provide a distribution network equipment state monitoring and fault judging system, which comprises:
1) the switching station state monitoring subsystem can monitor the running condition of the equipment conveniently by monitoring and controlling the physical model characteristics of the indoor equipment and the environment main equipment, can check the on-off state of the equipment in time when a line fails and can carry out failure prejudgment in advance; monitoring the state of the storage battery to prevent the storage battery from over-discharging or natural phenomena; whether water exists at the top of the switch cabinet is monitored, whether rain leaks indoors is judged, and corresponding measures can be taken in time; while image recognition functionality may be added. Through the data acquisition, the data are sent to the cloud through a wireless WIFI or 4G network, and operation and maintenance personnel can check the data through logging in an APP; and
2) the ring main unit state monitoring subsystem monitors the on-off state of a switch in the ring main unit and the state of a storage battery charge-discharge module; when a line has a fault, the on-off state of the equipment can be checked in time, and fault pre-judgment is carried out in advance; monitoring the state of the storage battery, and monitoring whether the storage battery is electrified or not; whether there is water at the top in the monitoring switch cabinet, judge whether open dehumidification or condensation device, through the collection of above data, send to the high in the clouds through wireless WIFI or 4G net, fortune dimension personnel accessible login APP looks over.
Preferably, the switch station state monitoring subsystem is used for monitoring states of a switch cabinet, a direct current screen, a DTU, an air conditioner, a heater and a room, wherein the switch cabinet monitoring comprises: indicating the opening and closing state of the switch cabinet panel and indicating whether water leaks from the top of the switch cabinet; the monitoring of the direct current screen comprises the following steps: monitoring the temperature of a storage battery of the direct current screen, the voltage of the direct current screen and the current, and judging whether the direct current screen is over-discharged or not; the DTU monitoring comprises whether DTU data can be sent or not and whether remote restarting can be carried out or not when DTU data cannot be sent; the monitoring of the air conditioner and the heating comprises respective pneumatic and/or stop states; the indoor monitoring comprises access control system monitoring, indoor temperature monitoring, indoor humidity monitoring, smoke monitoring and geographical position monitoring.
Preferably, the ring main unit state monitoring subsystem is used for monitoring ring main unit and direct current screen, the monitoring of ring main unit includes: switch-on and switch-off state indication of a switch cabinet panel, whether water exists at the top in the switch cabinet or not and the geographical position; the monitoring of the direct current screen comprises the temperature of a storage battery of the direct current screen and the state of a charging and discharging module of the direct current screen.
Preferably, the working states of the transformer, the circuit breaker, the busbar, the cable joint, the capacitor bank and the direct-current screen cabinet are monitored online in real time through the vibration sensor, the sound sensor and the temperature sensor; and the operation data of auxiliary equipment such as an air conditioner, a drainage pump and a ventilation fan are accessed.
Preferentially, the distribution station room equipment can make the equipment structure produce faint change by the influence of factors such as environmental change, dust accumulation, manual maintenance, equipment self physical action in service, can cause serious influence to the operating stability of equipment in the past for a long time, whether have hidden danger through the judgement equipment of analytical equipment during operation vibration condition, noise size, temperature variation, can be timely provide the early warning, remind the staff to maintain, prevent the emergence of trouble.
Preferably, the overall working efficiency and the running health condition of the air conditioner are analyzed by analyzing the data of the noise, the vibration condition, the working current and the air output of the air conditioner, when the air output, the outlet temperature and the corresponding working current parameters of the air conditioner are abnormal, the system sends alarm information in time to remind workers to maintain the air conditioning system to check whether foreign matter blocks exist at an air inlet and an air outlet of the air conditioner, whether dust deposits on a dust guard plate are excessive, whether pipelines are damaged or not and whether the pressure of a refrigerant is too low or not, whether the sensitivity of the air conditioning temperature sensing system fails or not is judged by analyzing the working time length of the air conditioner and the change of the ambient temperature, the condition that the air conditioner does not work or works in an over time length due to the failure of the temperature sensing system is prevented, and whether the failure exists in the power system of.
Preferably, the data of the water logging system is accessed into the monitoring platform, the platform analyzes the state of the water logging system through the acquisition of the data of the liquid level meter and the current and voltage data of the drainage pump, and when the data are abnormal, an alarm is given in time to prompt a worker to check the fault so as to prevent the short circuit of the line caused by the overhigh water level of the cable trench. The system sets the experimental period of the water immersion system to remind workers to carry out a water immersion experiment every quarter or every month, and the reliability of the water immersion system is confirmed.
Preferably, the system monitors the running condition of the ventilation system in real time by accessing data such as the running conditions of the hazardous gas detector, the temperature sensor, the smoke alarm and the fan, and when the acquired data is abnormal, the background system automatically alarms and prompts a worker to process the alarm information in time to remove the fault existing on the site.
Preferably, the monitoring point installation that the switching station state monitoring subsystem and the looped netowrk cabinet state monitoring subsystem correspond can be implemented with electricity, can not influence the reliable operation of operation equipment.
The invention has the beneficial effects that:
based on a new generation of distribution automation system, a distribution station room equipment running state monitoring internet of things platform taking a ubiquitous power internet of things as a construction target is constructed, access of distribution station room equipment running state information is achieved, comprehensive collection of running information is hasty, on-site comprehensive management of distribution station rooms is further achieved, passive management of the distribution station rooms is promoted to change to an active management mode, power supply reliability is further improved, and high-quality service level is improved. The main points are as follows:
1. detection module low-power consumption, high reliability: and constructing a technical framework of high-precision sensor and wireless local area network communication with low power consumption, maintenance-free and self-adaptive installation. A local wireless communication network is built based on an Internet of things communication technology architecture, and a high-precision sensor with low power consumption, maintenance-free performance and self-adaptive installation environment is used, so that the problems of multiple points and wide range of equipment in a power distribution station room and complex field installation environment are perfectly solved; the number of devices is large, and the data volume is large; distributed installation, communication difficulties; the new demand has grown explosively; the access equipment has multiple types and lacks of unified standard. The monitoring module has the advantages of self-adaptive installation environment boundary installation, maintenance-free and live-line installation.
2. Mass data calculation analysis and fault early warning: the method comprises the steps of carrying out data calculation analysis, data storage and data processing on mass data acquired by a power distribution station house, forming a standard data model and data service, giving an alarm in time on equipment hidden dangers, positioning fault points, analyzing fault types and the like. The system is used for checking hidden dangers of equipment through reasonable analysis and comparison of real-time data, when abnormal conditions occur to the data, the background system provides warning information in time and guides workers to work for equipment maintenance and the like, the system has a self-checking function, when disconnection reconnection failure or communication abnormality occurs to the system, the system automatically gives an alarm and sends the warning information to corresponding workers, and the workers are prompted to check in time.
3. The expanded Internet of things sensing means: the low-voltage distribution internet of things sensing means is expanded, on-line data acquisition is carried out on original equipment and environment which are not acquired and monitored, and the sensing capability of power distribution station room equipment and line facilities is improved.
4. Richen low-voltage distribution power consumption field intelligence is used, optimizes the management mode, improves the distribution station room reliability: through various abundant business applications, the capacity improvement in the fields of lean low-voltage power distribution operation and maintenance, diversified load monitoring, power utilization information acquisition, user service, care and the like is realized. Through data real-time acquisition analysis and judgment, all-weather running state data of the power distribution station room is presented for a user, the investment of labor cost is reduced, the management mode of the power distribution station room is optimized, the traditional management mode of passive timing maintenance and fault maintenance is changed, equipment faults are actively discovered, hidden danger elimination is actively carried out, the occurrence of equipment faults is reduced, the service life of equipment is prolonged, the overall running reliability of the power distribution station room is improved, and a solid step is taken for unattended operation of the power distribution station room.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a topology structure diagram of a distribution network device state monitoring and fault determining system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the monitoring principle of the temperature, noise and vibration data of the device according to the embodiment of the present invention;
fig. 3 is a diagram illustrating an access principle of air conditioner operation data according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of operation data access operation of a water logging system according to an embodiment of the present invention;
figure 5 is an operational schematic diagram of access to operational data of a ventilation system according to an embodiment of the present invention.
Detailed Description
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Distribution network equipment state monitoring and fault judgment system includes:
1) the switching station state monitoring subsystem can monitor the running condition of the equipment conveniently by monitoring and controlling the physical model characteristics of the indoor equipment and the environment main equipment, can check the on-off state of the equipment in time when a line fails and can carry out failure prejudgment in advance; monitoring the state of the storage battery to prevent the storage battery from over-discharging or natural phenomena; whether water exists at the top of the switch cabinet is monitored, whether rain leaks indoors is judged, and corresponding measures can be taken in time; while image recognition functionality may be added. Through the data acquisition, the data are sent to the cloud through a wireless WIFI or 4G network, and operation and maintenance personnel can check the data through logging in an APP; and
2) the ring main unit state monitoring subsystem monitors the on-off state of a switch in the ring main unit and the state of a storage battery charge-discharge module; when a line has a fault, the on-off state of the equipment can be checked in time, and fault pre-judgment is carried out in advance; monitoring the state of the storage battery, and monitoring whether the storage battery is electrified or not; whether there is water at the top in the monitoring switch cabinet, whether open dehumidification or condensation device is judged, through the collection of above data, sends to high in the clouds through wireless WIFI or 4G net, and operation and maintenance personnel accessible logs in APP and looks over
Preferably, the switch station state monitoring subsystem is used for monitoring states of a switch cabinet, a direct current screen, a DTU, an air conditioner, a heater and a room, wherein the switch cabinet monitoring comprises: indicating the opening and closing state of the switch cabinet panel and indicating whether water leaks from the top of the switch cabinet; the monitoring of the direct current screen comprises the following steps: monitoring the temperature of a storage battery of the direct current screen, the voltage of the direct current screen and the current, and judging whether the direct current screen is over-discharged or not; the DTU monitoring comprises whether DTU data can be sent or not and whether remote restarting can be carried out or not when DTU data cannot be sent; the monitoring of the air conditioner and the heating comprises respective pneumatic and/or stop states; the indoor monitoring comprises access control system monitoring, indoor temperature monitoring, indoor humidity monitoring, smoke monitoring and geographical position monitoring.
Preferably, the ring main unit state monitoring subsystem is used for monitoring ring main unit and direct current screen, the monitoring of ring main unit includes: switch-on and switch-off state indication of a switch cabinet panel, whether water exists at the top in the switch cabinet or not and the geographical position; the monitoring of the direct current screen comprises the temperature of a storage battery of the direct current screen and the state of a charging and discharging module of the direct current screen.
Fig. 1 is a topology structure diagram of a distribution network device state monitoring and fault determining system. The working states of a transformer, a circuit breaker, a busbar, a cable joint, a capacitor bank and a direct-current screen cabinet are monitored on line in real time through a vibration sensor, a sound sensor and a temperature sensor; and the operation data of auxiliary equipment such as an air conditioner, a drainage pump and a ventilation fan are accessed.
Referring to fig. 2, a schematic diagram of monitoring of temperature, noise and vibration data of the device is shown. Distribution station room equipment can make equipment structure produce faint change by the influence of factors such as environmental change, dust accumulation, manual maintenance, equipment self physical action in operation, and this can cause serious influence to the operating stability of equipment in the past. Whether hidden dangers exist in the equipment is judged by analyzing the vibration condition, the noise size and the temperature change of the equipment during working, early warning can be timely provided, workers are reminded to maintain, and faults are prevented.
Referring to fig. 3, an air conditioner operation data access principle structure diagram. The whole work efficiency and the air conditioner running health condition of the air conditioner are analyzed by analyzing the data of the noise, the vibration condition, the working current and the air output of the air conditioner, when the air output and the outlet temperature of the air conditioner and the corresponding working current parameters are abnormal, the system sends alarm information in time to remind a worker to maintain and investigate whether a foreign matter is blocked in an air inlet and an air outlet of the air conditioner, whether dust is accumulated on a dust guard plate is too much, whether each pipeline is damaged, whether the pressure of a refrigerant is too low and the like. Whether the sensitivity of the air conditioner temperature sensing system breaks down or not is judged by analyzing the working time of the air conditioner and the change of the ambient temperature, the phenomenon that the air conditioner does not work or works in an over-time mode due to the fact that the temperature sensing system breaks down is prevented, and whether the air conditioner power system breaks down or not is judged by analyzing the noise and vibration conditions of the air conditioner and combining the working current of the air conditioner.
Referring to fig. 4, the water logging system operates a data access operation schematic diagram. The data of the water immersion system is accessed into a monitoring platform, and the platform analyzes the state of the water immersion system through the collection of liquid level instrument data and drainage pump current and voltage data. And when the data is abnormal, the alarm is given in time to prompt a worker to troubleshoot the fault, so that the short circuit of the line caused by the overhigh water level of the cable trench is prevented. The system sets the experimental period of the water immersion system to remind workers to carry out a water immersion experiment every quarter or every month, and the reliability of the water immersion system is confirmed.
Referring to fig. 5, a working schematic diagram of the ventilation system operating data access. The system monitors the running condition of the ventilation system in real time by accessing data such as the running condition of the hazardous gas detector, the temperature sensor, the smoke alarm, the fan and the like, and when the acquired data is abnormal, the background system automatically alarms and prompts workers to process the alarm information in time so as to eliminate the faults existing on the site.
Preferably, the monitoring point installation that the switching station state monitoring subsystem and the looped netowrk cabinet state monitoring subsystem correspond can be implemented with electricity, can not influence the reliable operation of operation equipment.
The power distribution station room equipment running state monitoring internet of things platform is constructed based on a new generation power distribution automation system, access of power distribution station room equipment running state information is achieved, running information is collected comprehensively and urgently, on-site comprehensive management of the power distribution station rooms is further achieved, passive management of the power distribution station rooms is changed to active management, power supply reliability is further improved, and high-quality service level is improved. The main points are as follows:
1. detection module low-power consumption, high reliability: and constructing a technical framework of high-precision sensor and wireless local area network communication with low power consumption, maintenance-free and self-adaptive installation. A local wireless communication network is built based on an Internet of things communication technology architecture, and a high-precision sensor with low power consumption, maintenance-free performance and self-adaptive installation environment is used, so that the problems of multiple points and wide range of equipment in a power distribution station room and complex field installation environment are perfectly solved; the number of devices is large, and the data volume is large; distributed installation, communication difficulties; the new demand has grown explosively; the access equipment has multiple types and lacks of unified standard. The monitoring module has the advantages of self-adaptive installation environment boundary installation, maintenance-free and live-line installation.
2. Mass data calculation analysis and fault early warning: the method comprises the steps of carrying out data calculation analysis, data storage and data processing on mass data acquired by a power distribution station house, forming a standard data model and data service, giving an alarm in time on equipment hidden dangers, positioning fault points, analyzing fault types and the like. The system is used for checking hidden dangers of equipment through reasonable analysis and comparison of real-time data, when abnormal conditions occur to the data, the background system provides warning information in time and guides workers to work for equipment maintenance and the like, the system has a self-checking function, when disconnection reconnection failure or communication abnormality occurs to the system, the system automatically gives an alarm and sends the warning information to corresponding workers, and the workers are prompted to check in time.
3. The expanded Internet of things sensing means: the low-voltage distribution internet of things sensing means is expanded, on-line data acquisition is carried out on original equipment and environment which are not acquired and monitored, and the sensing capability of power distribution station room equipment and line facilities is improved.
4. Richen low-voltage distribution power consumption field intelligence is used, optimizes the management mode, improves the distribution station room reliability: through various abundant business applications, the capacity improvement in the fields of lean low-voltage power distribution operation and maintenance, diversified load monitoring, power utilization information acquisition, user service, care and the like is realized. Through data real-time acquisition analysis and judgment, all-weather running state data of the power distribution station room is presented for a user, the investment of labor cost is reduced, the management mode of the power distribution station room is optimized, the traditional management mode of passive timing maintenance and fault maintenance is changed, equipment faults are actively discovered, hidden danger elimination is actively carried out, the occurrence of equipment faults is reduced, the service life of equipment is prolonged, the overall running reliability of the power distribution station room is improved, and a solid step is taken for unattended operation of the power distribution station room.
While the present invention has been described with reference to the particular illustrative embodiments, it is not to be restricted by the embodiments but only by the appended claims. It will be understood by those skilled in the art that variations and modifications of the embodiments of the present invention can be made without departing from the scope and spirit of the invention.
Claims (9)
1. The utility model provides a distribution network equipment state monitoring and fault diagnosis system which characterized in that includes:
1) the switching station state monitoring subsystem can monitor the running condition of the equipment conveniently by monitoring and controlling the physical model characteristics of the indoor equipment and the environment main equipment, can check the on-off state of the equipment in time when a line fails and can carry out failure prejudgment in advance; monitoring the state of the storage battery to prevent the storage battery from over-discharging or natural phenomena; whether water exists at the top of the switch cabinet is monitored, whether rain leaks indoors is judged, and corresponding measures can be taken in time; while image recognition functionality may be added. Through the data acquisition, the data are sent to the cloud through a wireless WIFI or 4G network, and operation and maintenance personnel can check the data through logging in an APP; and
2) the ring main unit state monitoring subsystem monitors the on-off state of a switch in the ring main unit and the state of a storage battery charge-discharge module; when a line has a fault, the on-off state of the equipment can be checked in time, and fault pre-judgment is carried out in advance; monitoring the state of the storage battery, and monitoring whether the storage battery is electrified or not; whether there is water at the top in the monitoring switch cabinet, judge whether open dehumidification or condensation device, through the collection of above data, send to the high in the clouds through wireless WIFI or 4G net, fortune dimension personnel accessible login APP looks over.
2. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the cubical switchboard state monitoring subsystem is used for monitoring cubical switchboard, direct current screen, DTU, air conditioner, heating installation and indoor state, wherein the cubical switchboard monitoring includes: indicating the opening and closing state of the switch cabinet panel and indicating whether water leaks from the top of the switch cabinet; the monitoring of the direct current screen comprises the following steps: monitoring the temperature of a storage battery of the direct current screen, the voltage of the direct current screen and the current, and judging whether the direct current screen is over-discharged or not; the DTU monitoring comprises whether DTU data can be sent or not and whether remote restarting can be carried out or not when DTU data cannot be sent; the monitoring of the air conditioner and the heating comprises respective pneumatic and/or stop states; the indoor monitoring comprises access control system monitoring, indoor temperature monitoring, indoor humidity monitoring, smoke monitoring and geographical position monitoring.
3. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the looped netowrk cabinet state monitoring subsystem is used for monitoring looped netowrk cabinet and direct current screen, the monitoring of looped netowrk cabinet includes: switch-on and switch-off state indication of a switch cabinet panel, whether water exists at the top in the switch cabinet or not and the geographical position; the monitoring of the direct current screen comprises the temperature of a storage battery of the direct current screen and the state of a charging and discharging module of the direct current screen.
4. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the working states of a transformer, a circuit breaker, a busbar, a cable joint, a capacitor bank and a direct-current screen cabinet are monitored on line in real time through a vibration sensor, a sound sensor and a temperature sensor; and the operation data of auxiliary equipment such as an air conditioner, a drainage pump and a ventilation fan are accessed.
5. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: distribution station room equipment can make equipment structure produce faint change by the influence of environmental change, dust accumulation, artifical maintenance, equipment self physical action factor in operation, can lead to the fact serious influence to the operating stability of equipment in the past in the long term, whether have hidden danger through the analytical equipment during operation vibration condition, noise size, temperature variation come the judgement equipment, and the warning that provides that can be timely reminds the staff to maintain, prevents the emergence of trouble.
6. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the system can analyze the overall working efficiency and the running health condition of the air conditioner by analyzing the data of the noise, the vibration condition, the working current and the air output of the air conditioner, when the air output, the outlet temperature and the corresponding working current parameters of the air conditioner are abnormal, the system can send alarm information in time to remind workers to maintain the air conditioning system to check whether foreign matters are blocked at an air inlet and an air outlet of the air conditioner, whether dust is excessively deposited on a dust guard plate, whether pipelines are damaged or not and whether the pressure of a refrigerant is too low or not, whether the sensitivity of the air conditioning temperature sensing system fails or not is judged by analyzing the working time of the air conditioner and the change of the ambient temperature, the condition that the air conditioner does not work or works in an over time due to the failure of the temperature sensing system is prevented, and whether the failure exists in the power.
7. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the data access of water logging system to the monitoring platform, the platform is through the state to the water level gauge data and drain pump electric current, voltage data's collection analysis water logging system, in time reports an emergency and asks for help or increased vigilance when data appear unusually, and the suggestion staff is investigated the trouble, prevents that the water level of cable pit is too high to cause the circuit short circuit. The system sets the experimental period of the water immersion system to remind workers to carry out a water immersion experiment every quarter or every month, and the reliability of the water immersion system is confirmed.
8. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the system monitors the running condition of the ventilation system in real time by accessing data such as the running condition of the hazardous gas detector, the temperature sensor, the smoke alarm, the fan and the like, and when the acquired data is abnormal, the background system automatically alarms and prompts workers to process the alarm information in time so as to eliminate the faults existing on the site.
9. The system for monitoring the state and judging the fault of the distribution network equipment according to claim 1, characterized in that: the switching station state monitoring subsystem and the monitoring point installation corresponding to the ring main unit state monitoring subsystem can be implemented in a charged mode, and the reliable operation of operation equipment cannot be influenced.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113452142A (en) * | 2021-07-01 | 2021-09-28 | 国网河南省电力公司电力科学研究院 | Remote monitoring and restarting device and method for automation equipment at station end |
| CN114740307A (en) * | 2022-04-20 | 2022-07-12 | 四川艾德瑞电气有限公司 | Flexible contact net state monitoring system |
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