CN211481003U - Integrated online monitoring system for electrical equipment of photovoltaic power station - Google Patents
Integrated online monitoring system for electrical equipment of photovoltaic power station 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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Abstract
The utility model relates to a photovoltaic power plant electrical equipment integration on-line monitoring system belongs to photovoltaic power plant electrical equipment on-line monitoring technical field. The system carries out three-level open type structure design based on the principle of 'signal centralized transmission and equipment hierarchical configuration', and comprises a station control layer, a relay layer and an equipment layer; the equipment layer monitoring unit collects all photovoltaic electrical equipment and transmits the photovoltaic electrical equipment to a main IED of the relay layer, and the main IED transmits signals to the on-line monitoring comprehensive processing unit of the station control layer; the station control layer online monitoring comprehensive processing unit transmits the signal to a state monitoring master station (server) on one hand, and transmits the early warning signal of the monitoring unit to the intelligent inspection robot and the component cleaning robot on the other hand, so that secondary alarm confirmation inspection of the intelligent inspection robot and fixed-point cleaning work of the component cleaning robot are realized; besides a conventional direct-current main working power supply, a photovoltaic auxiliary working power supply is introduced into the system equipment layer, so that the purpose of improving the power supply reliability of the equipment can be achieved while energy conservation and consumption reduction are realized.
Description
Technical Field
The utility model relates to a photovoltaic power plant electrical equipment integration on-line monitoring system belongs to photovoltaic power plant electrical equipment on-line monitoring technical field.
Background
The intelligent online monitoring is carried out on the electrical equipment of the photovoltaic power station, and the real-time positioning and accurate judgment of fault points, hidden danger points and defect points are realized, so that the intelligent online monitoring system has the following advantages: (1) the targeted and planned on-site verification and defect elimination are realized, the former 'indifferent' verification workload of operation and maintenance personnel is greatly reduced, and the operation and inspection efficiency is improved; (2) the multi-stage deployment and the hierarchical management and control are realized, and the accurate quantification of the operation and maintenance examination of the power station is realized; (3) the method comprises the steps of predicting the generated energy of a photovoltaic power station and providing basic data for a scheduling decision of a power department; (4) and an optimal operation and inspection procedure is formulated according to the accumulated fault database, so that the personnel training cost is reduced. In a word, the application of the integrated on-line monitoring system of the electrical equipment of the photovoltaic power station can reduce the hidden loss of the generated energy caused by equipment faults to the maximum extent, so that the power station equipment is always in the optimal power generation state in the full life cycle of 25 years, and the maximum income is realized.
At present, a plurality of domestic patent reports are available for an online monitoring mode of each electrical device of a photovoltaic power station: in the patent of an on-line component fault grading diagnosis system and method (patent publication No. CN 107276531A), a monolithic component is taken as a detection individual, grading diagnosis is carried out on a photovoltaic component according to the specificity of single-component faults, and the complexity of a fault diagnosis model can be reduced while the requirement on the integrity of fault diagnosis is met; a monitoring system comprising a photovoltaic inverter, a master controller and a GPRS communicator is provided in the patent (patent publication No. CN 108540092A), the system obtains state information of a target array by the photovoltaic inverter and initializes the GPRS communicator, so as to determine the direction of a control instruction stream, thereby avoiding array mismatch and ensuring the synchronization of photovoltaic power generation; a method for detecting and positioning faults of a combiner box of a multi-fault detector is provided in the patent of a method and a system for detecting faults of the combiner box (patent publication No. CN 107764527A). in the method, threshold values are set for monitoring quantities such as temperature, humidity, dust and the like, and are judged by a preset fault detector, so that good effects are obtained in the application of fault detection and positioning of the combiner box; the patent "photovoltaic power generation box transformer substation measurement and control device" (patent publication number: CN 206019853U) proposes a device design scheme integrating a back panel bus, a human-computer interaction panel, a power panel plug-in, an access panel plug-in, a central processing unit board plug-in and an alternating current acquisition board plug-in, can monitor the temperature of a plurality of points to be measured in the photovoltaic power generation box transformer substation in real time, is time-saving and labor-saving, has high reliability, enables operation and maintenance personnel to quickly find heating positions and process heating problems, and ensures the personal safety of the operation and maintenance personnel; the patent CN 108845227A combines a neighborhood preserving embedding method with a principal component analysis method to obtain the structural characteristics of cable fault data for fault early warning, and the method has good anti-interference performance, can obviously distinguish different faults and is beneficial to accurate prediction of high-voltage cable faults. The system is designed based on the photovoltaic power station sub-equipment layer, and at present, a patent report aiming at the photovoltaic power station electrical equipment integrated online monitoring system is not seen domestically.
Disclosure of Invention
In order to overcome above-mentioned prior art's weak point, the utility model provides a photovoltaic power plant electrical equipment integration on-line monitoring system realizes that the synchronous on-line monitoring of each level equipment of total powerstation and intelligence patrol and examine the fortune dimension integration based on three levels's open system architecture, is guaranteeing to be convenient for under later stage photovoltaic power plant dilatation and the on-line monitoring system upgrading prerequisite, has promoted photovoltaic power plant's intelligent level comprehensively, establishes the basis for its full life cycle safety, economy and steady operation.
The utility model discloses a realize through following technical scheme: the utility model provides a photovoltaic power plant electrical equipment integration on-line monitoring system which characterized in that: the integrated online monitoring system of the electrical equipment of the photovoltaic power station is of a three-level open system structure and comprises a station control layer, a relay layer and an equipment layer, wherein an equipment layer monitoring unit collects various state quantities of the electrical equipment and converts the collected signals into digital signals to be transmitted to a main IED of the relay layer, the relay layer is the main IED of each electrical equipment, the main IED receives the data of the equipment layer and converts the data into the digital signals meeting the requirements of communication protocols, and the signals are transmitted to an online monitoring comprehensive processing unit of the station control layer through Ethernet; the on-line monitoring integrated processing unit is the pivot of all kinds of signals, on the one hand forwards the signals to the state monitoring main station for information display and state intelligent analysis and processing, on the other hand transmits the early warning signal of the monitoring unit to the intelligent inspection robot and the component cleaning robot, and the secondary alarm confirmation of the intelligent inspection robot and the fixed point cleaning work of the component cleaning robot are achieved.
Furthermore, the relay layer is an intelligent electronic device of each equipment, and comprises an assembly main IED, an inverter main IED, a junction box main IED, a box transformer main IED and a current collection line main IED; the online monitoring comprehensive processing unit is provided with 6 Ethernet ports and 2 WIFI communication modules, the Ethernet ports are respectively connected with the state monitoring main station, the component main IED, the inverter main IED, the junction box main IED, the box transformer main IED and the power collection line main IED, and the WIFI communication modules are respectively connected with the intelligent inspection robot and the component cleaning robot to form a data acquisition and control channel of the photovoltaic power station electrical equipment online monitoring system.
Furthermore, the equipment layer comprises a state monitoring unit and a working power supply of each piece of sub-equipment, wherein the state monitoring unit comprises a VI characteristic monitoring unit, a dust deposition monitoring unit, a PID monitoring unit, a direct-current insulation monitoring unit, a power generation information monitoring unit, a combiner box state monitoring unit, a partial discharge monitoring unit, a temperature and humidity monitoring unit, a cable joint temperature monitoring unit, a cable joint circulating current monitoring unit and a cable joint partial discharge monitoring unit; VI characteristic monitoring unit and deposition monitoring unit coupling assembling main IED, PID monitoring unit, direct current insulation monitoring unit and electricity generation information monitoring unit connect the main IED of dc-to-ac converter, the collection flow box state monitoring unit connect and converge flow box main IED, partial discharge monitoring unit and humiture monitoring unit connecting box become main IED, cable joint temperature monitoring unit, cable joint circulation monitoring unit and cable joint partial discharge monitoring unit connect current collection circuit main IED, working power supply be direct current main working power supply and photovoltaic auxiliary working power supply two parts, two powers connect in same direct current bus, direct current main working power supply is as the main power supply of each state monitoring unit and main IED, photovoltaic auxiliary working power supply is as auxiliary power supply, realizes the dual power supply of direct current bus.
Furthermore, the state monitoring master station selects a Hua IPC-610H type industrial control machine; the on-line monitoring comprehensive processing unit selects an HSJ-III comprehensive processing unit of Wuhan Lijie; the intelligent inspection robot is an aerospace Huatu rubbing crawler type intelligent inspection robot with the functions of autonomous intelligent inspection, intelligent data real-time monitoring and accurate hidden danger early warning; the component cleaning robot is a Derui intelligent QDX-D series large-scale ground single-machine photovoltaic power station cleaning robot.
Furthermore, the state monitoring master station integrates an online monitoring big data cloud, divides minimum and optimal data through a clustering algorithm, evaluates and decides an artificial neural network expert database of the health state ANN of the photovoltaic power station, and sends a secondary alarm confirmation inspection instruction aiming at the intelligent inspection robot.
Furthermore, the state monitoring main station is internally provided with a big data processing module, the power generation efficiency of the edge analysis group string is realized, and the information of the cleaning early warning, the accurate positioning and the cleaning period of the component is sent to the component cleaning robot, so that the high-efficiency cleaning of the photovoltaic power station is realized.
Further, the model of the component main IED is SPM-2/PIC type; the model of the inverter main IED is an SPM-2/NIC model; the type of the main IED of the junction box is SPM-2/HIC; the type of the box transformer main IED is SPM-2/TIC; the type of the main IED of the collecting line is SPM-2/LIC.
Further, the model of the VI characteristic monitoring unit is modular 87715D; the model of the dust deposition monitoring unit is DustIQ; the PID monitoring unit is PV-6300 HP; the model of the direct current insulation monitoring unit is TZPV-1000-UD; the model of the power generation information monitoring unit is NSF3100 model; the model of the confluence box state monitoring unit is BR 805; the local discharge monitoring unit is FG-BPD type; the model of the temperature and humidity monitoring unit is HC 5212F; the model of the cable joint temperature monitoring unit is CESM-6010 type; the model of the cable joint circulating current monitoring unit is KDZD300C model; the cable joint partial discharge monitoring unit is JC-OM400D type.
The utility model has the advantages that: the utility model discloses the system carries out three-level open type structural design based on the principle of "signal centralized transmission, equipment layering configuration", under the prerequisite that makes the total station on-line monitoring main communication network agreement unified, also can guarantee the convenience of later stage photovoltaic power plant dilatation and on-line monitoring system upgrading; the utility model discloses the system station control layer on-line monitoring integrated processing unit mandatory agreement agrees with open port has satisfied the seamless access of state monitoring main website (server), each equipment owner IED of total station equipment layer and third party intelligent robot, and the total station integration monitoring data (including other equipment monitoring data such as subassembly, dc-to-ac converter, collection flow box, case become and current collection circuit) is through the aassessment and the decision-making in big data and ANN expert storehouse after, can issue control command to intelligent patrolling and examining robot and subassembly cleaning robot, realizes that the warning of trouble confirms patrolling and the fixed point cleaning work of subassembly; the utility model introduces the photovoltaic auxiliary working power supply besides the conventional DC main working power supply, thereby achieving the purpose of improving the power supply reliability of the equipment while realizing energy saving and consumption reduction; the utility model discloses the system has positive impetus to improving photovoltaic power plant generated energy, patrolling and examining efficiency and intelligent fortune dimension level.
Drawings
The invention will be further explained below with reference to the drawings and examples.
Fig. 1 is a schematic block diagram of the structure of the present invention.
Detailed Description
As shown in figure 1, the integrated on-line monitoring system for the electrical equipment of the photovoltaic power station is characterized in that: the integrated online monitoring system of the electrical equipment of the photovoltaic power station is of a three-level open system structure and comprises a station control layer, a relay layer and an equipment layer, wherein an equipment layer monitoring unit collects various state quantities of the electrical equipment and converts the collected signals into digital signals to be transmitted to a main IED of the relay layer, the relay layer is the main IED of each electrical equipment, the main IED receives the data of the equipment layer and converts the data into the digital signals meeting the requirements of communication protocols, and the signals are transmitted to an online monitoring comprehensive processing unit of the station control layer through Ethernet; the on-line monitoring integrated processing unit is the pivot of all kinds of signals, on the one hand forwards the signals to the state monitoring main station for information display and state intelligent analysis and processing, on the other hand transmits the early warning signal of the monitoring unit to the intelligent inspection robot and the component cleaning robot, and the secondary alarm confirmation of the intelligent inspection robot and the fixed point cleaning work of the component cleaning robot are achieved.
Furthermore, the relay layer is an intelligent electronic device of each equipment, and comprises an assembly main IED, an inverter main IED, a junction box main IED, a box transformer main IED and a current collection line main IED; the online monitoring comprehensive processing unit is provided with 6 Ethernet ports and 2 WIFI communication modules, the Ethernet ports are respectively connected with the state monitoring main station, the component main IED, the inverter main IED, the junction box main IED, the box transformer main IED and the power collection line main IED, and the WIFI communication modules are respectively connected with the intelligent inspection robot and the component cleaning robot to form a data acquisition and control channel of the photovoltaic power station electrical equipment online monitoring system.
Furthermore, the equipment layer comprises a state monitoring unit and a working power supply of each piece of sub-equipment, wherein the state monitoring unit comprises a VI characteristic monitoring unit, a dust deposition monitoring unit, a PID monitoring unit, a direct-current insulation monitoring unit, a power generation information monitoring unit, a combiner box state monitoring unit, a partial discharge monitoring unit, a temperature and humidity monitoring unit, a cable joint temperature monitoring unit, a cable joint circulating current monitoring unit and a cable joint partial discharge monitoring unit; VI characteristic monitoring unit and deposition monitoring unit coupling assembling main IED, PID monitoring unit, direct current insulation monitoring unit and electricity generation information monitoring unit connect the main IED of dc-to-ac converter, the collection flow box state monitoring unit connect and converge flow box main IED, partial discharge monitoring unit and humiture monitoring unit connecting box become main IED, cable joint temperature monitoring unit, cable joint circulation monitoring unit and cable joint partial discharge monitoring unit connect current collection circuit main IED, working power supply be direct current main working power supply and photovoltaic auxiliary working power supply two parts, two powers connect in same direct current bus, direct current main working power supply is as the main power supply of each state monitoring unit and main IED, photovoltaic auxiliary working power supply is as auxiliary power supply, realizes the dual power supply of direct current bus.
Furthermore, the state monitoring master station selects a Hua IPC-610H type industrial control machine; the on-line monitoring comprehensive processing unit selects an HSJ-III comprehensive processing unit of Wuhan Lijie; the intelligent inspection robot is an aerospace Huatu rubbing crawler type intelligent inspection robot with the functions of autonomous intelligent inspection, intelligent data real-time monitoring and accurate hidden danger early warning; the component cleaning robot is a Derui intelligent QDX-D series large-scale ground single-machine photovoltaic power station cleaning robot.
Furthermore, the state monitoring master station integrates an online monitoring big data cloud, divides minimum and optimal data through a clustering algorithm, evaluates and decides an artificial neural network expert database of the health state ANN of the photovoltaic power station, and sends a secondary alarm confirmation inspection instruction aiming at the intelligent inspection robot.
Furthermore, the state monitoring main station is internally provided with a big data processing module, the power generation efficiency of the edge analysis group string is realized, and the information of the cleaning early warning, the accurate positioning and the cleaning period of the component is sent to the component cleaning robot, so that the high-efficiency cleaning of the photovoltaic power station is realized.
Further, the model of the component main IED is SPM-2/PIC type; the model of the inverter main IED is an SPM-2/NIC model; the type of the main IED of the junction box is SPM-2/HIC; the type of the box transformer main IED is SPM-2/TIC; the type of the main IED of the collecting line is SPM-2/LIC.
Further, the model of the VI characteristic monitoring unit is modular 87715D; the model of the dust deposition monitoring unit is DustIQ; the PID monitoring unit is PV-6300 HP; the model of the direct current insulation monitoring unit is TZPV-1000-UD; the model of the power generation information monitoring unit is NSF3100 model; the model of the confluence box state monitoring unit is BR 805; the local discharge monitoring unit is FG-BPD type; the model of the temperature and humidity monitoring unit is HC 5212F; the model of the cable joint temperature monitoring unit is CESM-6010 type; the model of the cable joint circulating current monitoring unit is KDZD300C model; the cable joint partial discharge monitoring unit is JC-OM400D type.
One specific application of this embodiment is: when a photovoltaic array of a certain unit is locally overheated and panel dust deposition exceeds a set threshold value, a monitoring signal is converted and sent to the SPM-2/PIC type component main IED by the modular 87715D type VI characteristic monitoring unit and the DustIQ type dust deposition monitoring unit. The component main IED further performs secondary processing on the received monitoring signals and transmits the monitoring signals to the HSJ-III type comprehensive processing unit through an Ethernet (IEC 61850 communication protocol), the comprehensive processing unit transmits the monitoring signals to the state monitoring main station for information display and state intelligent analysis and processing on one hand, and transmits the received control instructions to the intelligent inspection robot and the component cleaning robot through wireless WIFI on the other hand. Finally, the intelligent inspection robot reaches the photovoltaic array according to the instruction requirement to perform secondary alarm confirmation inspection, and the component cleaning robot of the dust deposition array finishes fixed-point cleaning of the components.
The above, only be the preferred example of the utility model discloses a do not restrict the utility model discloses implement the scope, the event all rely on the utility model discloses application for patent range structure, characteristic and principle do any simple modification, change and equivalent structure change, all still belong to the technical scheme of the utility model in the protection scope.
Claims (7)
1. The utility model provides a photovoltaic power plant electrical equipment integration on-line monitoring system which characterized in that: the integrated online monitoring system of the electrical equipment of the photovoltaic power station is of a three-level open system structure and comprises a station control layer, a relay layer and an equipment layer, wherein an equipment layer monitoring unit collects various state quantities of the electrical equipment and converts the collected signals into digital signals to be transmitted to a main IED of the relay layer, the relay layer is the main IED of each electrical equipment, the main IED receives the data of the equipment layer and converts the data into the digital signals meeting the requirements of communication protocols, and the signals are transmitted to an online monitoring comprehensive processing unit of the station control layer through Ethernet; the on-line monitoring integrated processing unit is the pivot of all kinds of signals, on the one hand forwards the signals to the state monitoring main station for information display and state intelligent analysis and processing, on the other hand transmits the early warning signal of the monitoring unit to the intelligent inspection robot and the component cleaning robot, and the secondary alarm confirmation of the intelligent inspection robot and the fixed point cleaning work of the component cleaning robot are achieved.
2. The integrated on-line monitoring system for the electrical equipment of the photovoltaic power station as claimed in claim 1, wherein: the relay layer is an intelligent electronic device of each equipment and comprises a component main IED, an inverter main IED, a junction box main IED, a box transformer main IED and a current collection circuit main IED; the online monitoring comprehensive processing unit is provided with 6 Ethernet ports and 2 WIFI communication modules, the Ethernet ports are respectively connected with the state monitoring main station, the component main IED, the inverter main IED, the junction box main IED, the box transformer main IED and the power collection line main IED, and the WIFI communication modules are respectively connected with the intelligent inspection robot and the component cleaning robot to form a data acquisition and control channel of the photovoltaic power station electrical equipment online monitoring system.
3. The integrated on-line monitoring system for the electrical equipment of the photovoltaic power station as claimed in claim 1, wherein: the equipment layer comprises a state monitoring unit and a working power supply of each piece of sub-equipment, wherein the state monitoring unit comprises a VI characteristic monitoring unit, a dust deposition monitoring unit, a PID monitoring unit, a direct-current insulation monitoring unit, a power generation information monitoring unit, a combiner box state monitoring unit, a partial discharge monitoring unit, a temperature and humidity monitoring unit, a cable joint temperature monitoring unit, a cable joint circulating current monitoring unit and a cable joint partial discharge monitoring unit; VI characteristic monitoring unit and deposition monitoring unit coupling assembling main IED, PID monitoring unit, direct current insulation monitoring unit and electricity generation information monitoring unit connect the main IED of dc-to-ac converter, the collection flow box state monitoring unit connect and converge flow box main IED, partial discharge monitoring unit and humiture monitoring unit connecting box become main IED, cable joint temperature monitoring unit, cable joint circulation monitoring unit and cable joint partial discharge monitoring unit connect current collection circuit main IED, working power supply be direct current main working power supply and photovoltaic auxiliary working power supply two parts, two powers connect in same direct current bus, direct current main working power supply is as the main power supply of each state monitoring unit and main IED, photovoltaic auxiliary working power supply is as auxiliary power supply, realizes the dual power supply of direct current bus.
4. The integrated on-line monitoring system for the electrical equipment of the photovoltaic power station as claimed in claim 3, wherein: the state monitoring master station integrates an online monitoring big data cloud, divides minimum and optimal data through a clustering algorithm, evaluates and decides an artificial neural network expert database of the health state ANN of the photovoltaic power station, and sends a secondary alarm confirmation inspection instruction aiming at the intelligent inspection robot.
5. The integrated on-line monitoring system for the electrical equipment of the photovoltaic power station as claimed in claim 3, wherein: the state monitoring main station is internally provided with a big data processing module, the edge analysis group string power generation efficiency is realized, and the component cleaning early warning, the accurate positioning and the cleaning period information are sent to the component cleaning robot, so that the high-efficiency cleaning of the photovoltaic power station is realized.
6. The integrated on-line monitoring system for the electrical equipment of the photovoltaic power station as claimed in claim 2, wherein: the model of the component main IED is an SPM-2/PIC model; the model of the inverter main IED is an SPM-2/NIC model; the type of the main IED of the junction box is SPM-2/HIC; the type of the box transformer main IED is SPM-2/TIC; the type of the main IED of the collecting line is SPM-2/LIC.
7. The integrated on-line monitoring system for the electrical equipment of the photovoltaic power station as claimed in claim 3, wherein: the VI characteristic monitoring unit is modular 87715D in model; the model of the dust deposition monitoring unit is DustIQ; the PID monitoring unit is PV-6300 HP; the model of the direct current insulation monitoring unit is TZPV-1000-UD; the model of the power generation information monitoring unit is NSF3100 model; the model of the confluence box state monitoring unit is BR 805; the local discharge monitoring unit is FG-BPD type; the model of the temperature and humidity monitoring unit is HC 5212F; the model of the cable joint temperature monitoring unit is CESM-6010 type; the model of the cable joint circulating current monitoring unit is KDZD300C model; the cable joint partial discharge monitoring unit is JC-OM400D type.
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| CN115455730A (en) * | 2022-09-30 | 2022-12-09 | 南京工业大学 | Photovoltaic module hot spot fault diagnosis method based on complete neighborhood preserving embedding |
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