CN104166386A - High altitude photovoltaic power station power grid disturbance simulation detection device and background operation monitor system - Google Patents
High altitude photovoltaic power station power grid disturbance simulation detection device and background operation monitor system Download PDFInfo
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Abstract
The invention relates to a high altitude photovoltaic power station power grid disturbance simulation detection device which is characterized in that the system is divided into three layers according to the software structure; the first layer is a one-time device data and signal collection layer; the second layer is a data processing layer which is constructed by a system state monitoring analysis module and a system data collection analysis module, and the second layer is constituted by a high altitude photovoltaic power station power grid disturbance simulation detection device background system state monitoring analysis module and a system data collection analysis module; and the third layer is a high altitude photovoltaic power station power grid fault simulation detection device background operation monitoring system platform which is developed by basing on an NS3000 integrated centralized control system. The system can perform real time monitoring on all operation data of an operation unit of the detected photovoltaic grid connected, can know the operation characteristics of the grid connected unit, and can provide reliable operation data to the testing personnel.
Description
Technical field
The movable type that the present invention relates to photo-voltaic power generation station grid disturbance simulation system detects, and relates in particular to a kind of high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system.
Background technology
According to the requirement of GB " photo-voltaic power generation station access power system technology specifies ", photo-voltaic power generation station is incorporated into the power networks and must carries out the detection validation of voltage, frequency adaptation ability.
Be applicable at present the portable checkout equipment of extensive grid-connected photovoltaic power station of high altitude localities due to the design and construction problem of its equipment itself, itself be only applicable to the test & check of himself equipment, not for the special consistency operation system of detection design, interface operability has much room for improvement, man-machine communication interface is simple, the operating condition that can not directly understand system, operability is lower.
Up to now; be applicable to extensive grid-connected photovoltaic power station grid disturbance simulation detection equipment consistency operation interface used, high altitude localities; itself be only applicable to the operation and controlling of this equipment; its interface is simple; operability limitation, background monitoring content lacks the monitoring of the security related data such as relay protection.Operate dangerous property, can not carry out complete monitoring to testing process, can not carry out whole process monitoring in real time and operation to a whole set of checkout equipment.
In view of this, the invention provides a kind of high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system, to meet practical application needs.
Summary of the invention
The technical problem to be solved in the present invention is: in order to carry out better the work of grid disturbance analog detection, the invention provides a kind of high height above sea level grid-connected photovoltaic power generation station grid disturbance simulation detection equipment consistency operation supervisory system, this system is consistency operation and the monitoring of domestic first cover for high height above sea level photovoltaic plant grid disturbance simulated testing system mobile detection apparatus customization, be used for the service data of every testing equipment operating mode of photo-voltaic power generation station, the grid-connected detection process of the test of photovoltaic generation unit, the displaying of accident alarm, and the control of relevant device.
The technical solution adopted in the present invention is: a kind of high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system, is characterized in that: this system is divided into three layers by software configuration composition, and ground floor is primary equipment data and signals collecting layer; The second layer is the data analysis layer jointly being built by system status monitoring analysis module, system data collection analysis module, be made up of high height above sea level photovoltaic plant grid disturbance simulation detection equipment background system condition monitoring analysis module, system data collection analysis module respectively, the 3rd layer is to develop based on the comprehensive centralized control system of NS3000 the high height above sea level photovoltaic plant electric network fault simulation detection equipment consistency operation monitoring system platform forming;
Ground floor data and signals collecting layer mainly complete the teleseme data acquisition function of each primary equipment, comprising:
Transformer state parameter acquisition module, mainly monitors and gathers electrical data and the signal of transformer equipment, comprises the temperature signal of the infrared thermometer of 35KV step-up transformer and step-down transformer equipment, fan operation status signal;
Switch cabinet state information acquisition module, main monitoring each switch cubicle inner breaker, isolation switch and grounding switch point, close state, the running status of the comprehensive protector of switch cubicle, switching value signal is transferred to system status monitoring analysis module, analyze judgement, determine the operation conditions of system;
Switch cubicle data monitoring measurement module, mainly completes the data acquisition function of each switch cubicle, comprises the data of electric parameters signal, three-phase voltage signal, three-phase current signal, frequency and the operating condition of four switch cubicles;
The system software structure second layer mainly compares and analyzes the data of ground floor data and the collection of signals collecting layer, wherein:
The electrical data analysis of the main completion system of system data collection analysis module, the data that next layer system is reported and submitted are processed, according to the difference of the electric pressure of choosing, compare with the initial setting up value of software module, if system data is in the scope of initial setting up value, system module decision-making system normal operation, and comparative result and raw data are reported and submitted to last layer system jointly, if module decision data transfinites, module by transmitting system operation troubles state to upper level system, after condition monitoring data system comprehensively being analyzed by upper level system, send the instruction of system operation exception, be handed down to operational module, and carry out alarm or tripping operation order by operational module, system is excised to running status,
System status monitoring analysis module mainly completes the comprehensive analysis to condition monitoring amount, the status information of collection and module initial launch normal condition are compared, state is normally sent out normal condition data transmission, if running status and initial setting up value are variant, send status fault signal to upper level system, processed by upper level system;
The 3rd layer of system software structure is overall treatment and the control system of whole system, the data of the second layer are carried out comprehensively, by the algorithm of software inhouse, the running status of comprhensive deterministic system and operating process, complete the control of different conditions by different input instructions, finally complete different operations, according to the comprehensive analysis to lower layer data and state, judge whether normal operation of system, whether meet requirement of experiment, and provide prompting, whether carry out the next item down experiment content, and each quantity of state and data volume are shown by backstage.
High height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system as above, it is characterized in that, the equipment that system status monitoring analysis module monitors comprises: boost and become container ambient temperature and humidity, step-down change container ambient temperature and humidity, grid disturbance generating means container ambient temperature and humidity, CB1 and CB2 circuit-breaker status, comprise opening and closing state, operating mechanism information, relevant alarm and accident, flow through the electric signal of CB1 and CB2, comprise three-phase voltage, electric current, power, power factor, frequency, 10kV/35kV primary equipment authentication information.
High height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system as above, is characterized in that the quantity of system access RTU: every at most accessible 64 road RTU of front end processor.Adopt parallel way, front-end processor system of many front end processor one-tenth capable of being combined, the accessible at most N × 64 road RTU of system.
High height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system as above, it is characterized in that, database volume: remote signalling, remote measurement, distant arteries and veins, remote control, remote regulating amount are limited by word length only, every type is 232, objectively do not limit, computing function can self-defining, and can SNNP computing, and arithmetic type and calculated amount sum are also unrestricted.
High height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system as above, it is characterized in that, historical data, document information are preserved capacity: sampled data is divided four kinds of 1 minute, 5 minutes, 15 minutes sampling quantities and 1 hour sampling quantities, sampling number is unrestricted, sampled data retention cycle user can self-defining, limited by peripheral hardware memory space.
The invention has the beneficial effects as follows: this system can be monitored in real time to every service data of tested grid-connected running unit, can understand in real time the also operation characteristic of net unit, for testing crew provides reliable running test foundation.Every operation information to checkout equipment carries out real-time report, the telesignalisation of real reflection checkout equipment in time, and the Test condition of understanding in real time equipment for testing staff provides foundation.This system can arrange in real time to each testing site, and workable, dirigibility is large.This operating system can be carried out Long-distance Control to relevant device, and the start and stop of the omnidistance opertaing device of energy, have strengthened the dirigibility of equipment.This cover system can be shown every accident alarm, provides foundation for experimenter carries out crash analysis, has ensured equipment reliability of operation and security.
Brief description of the drawings
Fig. 1 is high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation monitor system software structural drawing.
Embodiment
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.Those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values are equally within the listed claims limited range of the application.
High height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system is based on the comprehensive centralized control system platform development of NS3000, and NS3000 installation process is referring to " NS3000 (windows platform) computer supervisory control system installation manual ".Through actual installation test, high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system all can successful installation in Windows XP and Win7 system at present.
High height above sea level photovoltaic plant electric network fault simulation detection equipment consistency operation supervisory system of the present invention is divided into three layers by software configuration composition, and ground floor is primary equipment data and state signal collecting layer.The second layer is the data analysis layer jointly being built by system status monitoring analysis module, system data collection analysis module, be made up of high height above sea level photovoltaic plant grid disturbance simulation detection equipment background system condition monitoring analysis module, system data collection analysis module respectively, the 3rd layer is to develop based on the comprehensive centralized control system of NS3000 the high height above sea level photovoltaic plant electric network fault simulation detection equipment consistency operation monitoring system platform forming.
Ground floor data and signals collecting layer major function are introduced:
Ground floor data acquisition and signals collecting layer mainly complete the teleseme data acquisition function of each primary equipment.
Transformer state parameter acquisition module, mainly monitors and gathers electrical data and the signal of transformer equipment, comprises the temperature signal of the infrared thermometer of 35KV step-up transformer and step-down transformer equipment, fan operation status signal etc.
Switch cabinet state monitoring module; main monitoring each switch cubicle inner breaker, isolation switch and grounding switch point, close state; the running status of the comprehensive protector of switch cubicle; switching value signal is transferred to system status monitoring analysis module; analyze judgement, determine the operation conditions of system.
Switch cubicle data monitoring measurement module mainly completes the data acquisition function of each switch cubicle, comprises the electric parameters signal of four switch cubicles, as data of three-phase voltage signal, three-phase current signal, frequency and operating condition etc.
Second layer system status monitoring is analyzed and system data collection analysis layer major function introduced:
The system software structure second layer is the data analysis layer by system status monitoring analysis module, system data collection analysis module, jointly building, and mainly the data of ground floor data and the collection of signals collecting layer is compared and is analyzed.
The electrical data analysis of the main completion system of system data collection analysis module, the data that next layer system is reported and submitted are processed, according to the difference of the electric pressure of choosing, compare with the initial setting up value of software module, if system data is in the scope of initial setting up value, system module decision-making system normal operation, and comparative result and raw data are reported and submitted to last layer system jointly, if module decision data transfinites, module by transmitting system operation troubles state to upper level system, after condition monitoring data system comprehensively being analyzed by upper level system, send the instruction of system operation exception, be handed down to operational module, and carry out alarm or tripping operation order by operational module, system is excised to running status.
System status monitoring analysis module mainly completes the comprehensive analysis to condition monitoring amount, the status information of collection and module initial launch normal condition are compared, state is normally sent out normal condition data transmission, if running status and initial setting up value are variant, send status fault signal to upper level system, processed by upper level system.
The 3rd layer of system software structure is overall treatment and the control system of whole system, the data of the second layer are carried out comprehensively, by the algorithm of software inhouse, the running status of comprhensive deterministic system and operating process, complete the control of different conditions by different input instructions, finally complete different operations, according to the comprehensive analysis to lower layer data and state, judge whether normal operation of system, whether meet requirement of experiment, and provide prompting, whether carry out the next item down experiment content.And each quantity of state and data volume are shown by backstage.
System operation, control module major function are the different steering orders that issue from operating system according to system monitoring, different control orders is classified, data class instruction transformation is become to electric parameters control signal, and the very first time send to the operation control module of different primary equipments, complete corresponding system control and operation.Each primary equipment completes after corresponding operating, and the monitoring module by corresponding status signal transmission to each primary equipment is regularly uploaded to system status monitoring module and analyzes.The operation control module of primary equipment regularly sends to quantity of state system status monitoring module, with the Real-time Collection of Guarantee Status amount data with upload, the security of guarantee system operation.
Due to the AC power employing in high height above sea level photovoltaic plant grid disturbance simulation detection equipment is matured product, himself comprise data acquisition, condition monitoring, data analysis and state once and analytic function, do not need to develop separately its control and analysis software, only need pass through software interface, by two cover systems carry out embedded be connected the monitoring function that just can realize the running status to AC power, realize monitoring and operating function in real time, can ensure the safe and stable operation of system.
Native system uses in the time carrying out photovoltaic electric station grid connection detection test, for monitoring, record, show in the container that boosts, step-down container, grid disturbance generating means container that correlation test equipment is in the running status of test front and back and process thereof, so that user understands the status information of each equipment and whole system in real time.
The equipment monitoring comprises: the electric signal (comprising three-phase voltage, electric current, power, power factor, frequency), the 10kV/35kV primary equipment authentication information that boost and become container ambient temperature and humidity, step-down change container ambient temperature and humidity, grid disturbance generating means container ambient temperature and humidity, CB1 and CB2 circuit-breaker status (comprising opening and closing state, operating mechanism information, relevant alarm and accident), flow through CB1 and CB2.
The quantity of system access RTU: every at most accessible 64 road RTU of front end processor.Adopt parallel way, front-end processor system of many front end processor one-tenth capable of being combined, the accessible at most N × 64 road RTU of system.
Database volume: remote signalling, remote measurement, distant arteries and veins, remote control, remote regulating amount are limited by word length only, every type is 232, does not objectively limit, and computing function can self-defining, and can SNNP computing, and arithmetic type and calculated amount sum are also unrestricted.
Historical data, document information are preserved capacity: sampled data is divided four kinds of 1 minute, 5 minutes, 15 minutes sampling quantities and 1 hour sampling quantities, and sampling number is unrestricted, and sampled data retention cycle user can self-defining, limited by peripheral hardware memory space.
Warning information retention cycle: user can self-defining, limited by peripheral hardware memory space, General System can be configured to the historical data that retains two to three years.
Emergency review: in the time that accident displacement appears in system switching, can automatically record therewith relevant remote measurement amount, remote signalling amount, quantity can self-defining.
Imitation screen control and system forwards: user can define arbitrarily remote signalling amount, remote measurement amount, pulsed quantity and other calculated amount for upper screen or forwarding.
System clock precision: time error: <1 millisecond (having standard chronometer); SOE resolution: <1～2ms.
Data precision (main website): (1) measuring amount: composition error <0.5%, certified rate of telemetering >99.99%; (2) switching value: remote signalling responsiveness: 100%, remote control accuracy: 100%.
System response time (main website): remote measurement is got over district and transmitted≤2 seconds; Remote measurement total system scanning: 2～8 seconds (64 plant stands); Switching value displacement reaction time≤2 second; Accident displacement alert reaction time≤2 second; Control command≤1 second; Remote regulating order≤2 second; Picture response≤2 seconds; Picture refreshing≤1～3 second; The active and standby machine of SCADA fail-over time≤10 second.
System reliability: system availability exceedes 99.99%; System Mean Time Between Failures: 30000 hours.
Rate of load condensate: by 32 plant stand configurations, have 50000 remote signalling, 10000 telemetry capacities to consider, the cpu load rate of all computing machines is less than 30% in any 5 minutes under normal condition, is less than 50% in any 10 seconds.
LAN rate of load condensate is less than 25% in any 5 minutes under normal condition, under alarm status, is less than 35%.
Working environment and power supply: power supply: alternating voltage: 176V～264V AC; Cycle: 48Hz～52Hz; Stake resistance: <0.5 ohm; Temperature: 0～55 DEG C; Relative humidity: 5%～95%(is noncondensing).
Surrounding environment: without explosion danger, corrosion-free gas and electro-conductive dust, without serious mould, without high vibration impulse source.
Hardware device requires:
CPU:>2.0GHz(recommended configuration multinuclear);
Internal memory: >1GB;
Hard disk: >30GB, >7200rpm;
Video card: >1600x900x32bit, >512MB;
Display :=1600x900x32bit;
Ethernet: 10/100M/1000M self-adaptation.
Support software: operating system: support Windows 2000 Professional and Windows XP Professional operating system, do not support Windows NT4.0 or following version, do not support Windows 7 or above version.Windows 2000 other versions, other version of Windows XP be without DCO, not recommendation.
Commercial data base: must supporting installation Microsoft SQL Server 2000 and associated patch.
Development environment: Microsoft Virtual C++ 6.0 and Microsoft Virtual Studio 2008.
Browser: Internet Explorer 6.0 or above version, other types browser is without DCO, not recommendation.
Office software: Microsoft Office 2000 or above version.
Rights management: this backstage has two kinds of user rights, the super keeper of Administrator() and policer operation person.Initial default password is sky.Before the first use of user, valid password please be set manages system.Administrator user is for SFC support, and policer operation person user is for test operation personnel.
After system is opened, comprise 4 interfaces: grid, integrated communication control system, toolbar, operation interface, bulletin.Grid interface does not need to pay close attention to, and other four interfaces need to use in process of the test.
This interface is illustrated in the connection status between NS3000 background monitoring software and other nodes (CB1 combines guarantor, CB2 combines guarantor, PLC) moving on long-range test terminal.When long-range test terminal is connected with other node data passages when normal, in the node table in Fig. 1, in branch, " Jie Dian – on duty stops transport " can change " Jie Dian – on duty puts into operation " into.The equal progress of all nodes starts the necessary condition of test while putting into operation state, as met this condition, need to first need to cut off primary circuit power supply and carry out problem investigation, can not proceed test.
After NS3000 system starts successfully, acquiescence enters as above interface.This interface is the primary system sketch of grid disturbance simulation system, the container ambient temperature and humidity, CB1, CB2 isolating switch deciliter state, the primary system electrical operation parameter that have comprised all testing equipments.Boost change, step-down change, grid disturbance generating means and three containers of collection control are divided out with white realization respectively, in mouse enters each different container region, mouse shape will be from becoming, and after a mouse click, entering respectively boosts becomes container signal, step-down becomes container signal display interface and grid disturbance generating means monitoring interface.
In the time having alarm, trouble-signal or normal signal effective, the prototype pilot lamp on corresponding text description the right will be transformed to redness/grey chromatic flicker by green Chang Liang.When corresponding data is not uploaded for a long time or refreshes, background monitoring thinks that data are insincere, and all insincere data all become purple automatically.
These are only embodiments of the invention, be not limited to the present invention, therefore, within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in claim scope of the present invention.
Claims (5)
1. a high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system, is characterized in that: this system is divided into three layers by software configuration composition, and ground floor is primary equipment data and signals collecting layer; The second layer is the data analysis layer jointly being built by system status monitoring analysis module, system data collection analysis module, be made up of high height above sea level photovoltaic plant grid disturbance simulation detection equipment background system condition monitoring analysis module, system data collection analysis module respectively, the 3rd layer is to develop based on the comprehensive centralized control system of NS3000 the high height above sea level photovoltaic plant electric network fault simulation detection equipment consistency operation monitoring system platform forming;
Ground floor data and signals collecting layer mainly complete the teleseme data acquisition function of each primary equipment, comprising:
Transformer state parameter acquisition module, mainly monitors and gathers electrical data and the signal of transformer equipment, comprises the temperature signal of the infrared thermometer of 35KV step-up transformer and step-down transformer equipment, fan operation status signal;
Switch cabinet state information acquisition module, main monitoring each switch cubicle inner breaker, isolation switch and grounding switch point, close state, the running status of the comprehensive protector of switch cubicle, switching value signal is transferred to system status monitoring analysis module, analyze judgement, determine the operation conditions of system;
Switch cubicle data monitoring measurement module, mainly completes the data acquisition function of each switch cubicle, comprises the data of electric parameters signal, three-phase voltage signal, three-phase current signal, frequency and the operating condition of four switch cubicles;
The system software structure second layer mainly compares and analyzes the data of ground floor data and the collection of signals collecting layer, wherein:
The electrical data analysis of the main completion system of system data collection analysis module, the data that next layer system is reported and submitted are processed, according to the difference of the electric pressure of choosing, compare with the initial setting up value of software module, if system data is in the scope of initial setting up value, system module decision-making system normal operation, and comparative result and raw data are reported and submitted to last layer system jointly, if module decision data transfinites, module by transmitting system operation troubles state to upper level system, after condition monitoring data system comprehensively being analyzed by upper level system, send the instruction of system operation exception, be handed down to operational module, and carry out alarm or tripping operation order by operational module, system is excised to running status,
System status monitoring analysis module mainly completes the comprehensive analysis to condition monitoring amount, the status information of collection and module initial launch normal condition are compared, state is normally sent out normal condition data transmission, if running status and initial setting up value are variant, send status fault signal to upper level system, processed by upper level system;
The 3rd layer of system software structure is overall treatment and the control system of whole system, the data of the second layer are carried out comprehensively, by the algorithm of software inhouse, the running status of comprhensive deterministic system and operating process, complete the control of different conditions by different input instructions, finally complete different operations, according to the comprehensive analysis to lower layer data and state, judge whether normal operation of system, whether meet requirement of experiment, and provide prompting, whether carry out the next item down experiment content, and each quantity of state and data volume are shown by backstage.
2. high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system according to claim 1, it is characterized in that, the equipment that system status monitoring analysis module monitors comprises: boost and become container ambient temperature and humidity, step-down becomes container ambient temperature and humidity, grid disturbance generating means container ambient temperature and humidity, CB1 and CB2 circuit-breaker status, comprise opening and closing state, operating mechanism information, relevant alarm and accident, flow through the electric signal of CB1 and CB2, comprise three-phase voltage, electric current, power, power factor, frequency, 10kV/35kV primary equipment authentication information.
3. high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system according to claim 1, it is characterized in that, the quantity of system access RTU: every at most accessible 64 road RTU of front end processor, adopt parallel way, front-end processor system of many front end processor one-tenth capable of being combined, the accessible at most N × 64 road RTU of system.
4. high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system according to claim 1, it is characterized in that, database volume: remote signalling, remote measurement, distant arteries and veins, remote control, remote regulating amount are limited by word length only, every type is 232, objectively do not limit, computing function can self-defining, and can SNNP computing, and arithmetic type and calculated amount sum are also unrestricted.
5. high height above sea level photovoltaic plant grid disturbance simulation detection equipment consistency operation supervisory system according to claim 1, it is characterized in that, historical data, document information are preserved capacity: sampled data is divided four kinds of 1 minute, 5 minutes, 15 minutes sampling quantities and 1 hour sampling quantities, sampling number is unrestricted, sampled data retention cycle user can self-defining, limited by peripheral hardware memory space.
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| CN112332534A (en) * | 2020-10-21 | 2021-02-05 | 宁波大家小家网络科技有限公司 | Automatic control method and device for power distribution system |
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Effective date of registration: 20170519 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Qinghai Electric Power Company Applicant after: Electric Power Research Institute of State Grid Qinghai Electric Power Company Applicant after: China Electric Power Research Institute Address before: 54 Xining West Road, Qinghai, No. 8, No. 810008 Applicant before: Electric Power Research Institute of State Grid Qinghai Electric Power Company |