CN201852889U - Movable detecting platform for large and medium sized photovoltaic power stations - Google Patents
Movable detecting platform for large and medium sized photovoltaic power stations Download PDFInfo
- Publication number
- CN201852889U CN201852889U CN2010205127913U CN201020512791U CN201852889U CN 201852889 U CN201852889 U CN 201852889U CN 2010205127913 U CN2010205127913 U CN 2010205127913U CN 201020512791 U CN201020512791 U CN 201020512791U CN 201852889 U CN201852889 U CN 201852889U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- control system
- centralized control
- low
- isolated island
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Photovoltaic Devices (AREA)
Abstract
A movable detecting platform for large and medium sized photovoltaic power stations comprises a vehicular centralized control system, a megawatt-class vehicular low-voltage resistance detecting device, a megawatt-class vehicular islet protection detecting device, a meteorological parameter acquisition device and a power quality monitoring device. The whole platform adopts vehicular containers and special vehicles as carriers comprising a plurality of vehicles, and the vehicles include a centralized control system vehicle, a low-voltage resistance detecting vehicle, an islet protection detecting vehicle and an islet protection device matching equipment vehicle. The meteorological parameter acquisition device and the power quality monitoring device are mounted in the centralized control system vehicle and can be detached and placed at monitoring points when in use, and the centralized control system vehicle is in communicated with the low-voltage resistance detecting vehicle, the islet protection detecting vehicle and the islet protection device matching equipment vehicle by the aid of workshop communication cables. The movable detecting platform has the advantages of flexibility in movement, high integration, convenience for operation and maintenance and the like, and facilitates test and detection for the large and medium sized photovoltaic power stations.
Description
Technical field
The utility model relates to a kind of power station detection platform, especially relates to a kind of big-and-middle-sized photovoltaic plant and moves detection platform.
Background technology
Sun power has become the most important thing that realizes energy sustainable development as a kind of green energy resource of inexhaustible, nexhaustible, cleanliness without any pollution to its effective development and use.In the long term, solar energy power generating can occupy the critical role of world energy sources consumption in the near future, not only will substitute the part conventional energy resources, and will become the main body of world energy supplies.And build the large-sized photovoltaic power station is the best method of utilizing sun power, especially in ground abundances at sunshine such as China Tibet, Qinghai, Gansu, Yunnan, and a large amount of wastelands, Gobi desert is arranged.
China is as world energy consumption big country, and is more urgent for the demand of efficient, energy-conservation big-and-middle-sized photovoltaic generating system.Therefore, China actively supports the development of photovoltaic generation, puts into effect relevant incentive policy successively, estimates that the year two thousand twenty solar electrical energy generation installation total amount will reach 2,000 ten thousand kilowatts.Each province and city and correlative study unit and branch of industry also propose practical plans one after another, and for example 10 megawatt photovoltaic plant projects by the investment of Gansu electricity throwing occasion rising sun investment corporation put into operation May 11; First 10 megawatt photovoltaic generation project of Shaanxi Province golden sun engineering of pacifying the border region formally went into operation May 6; Formally start building the end of the year in 2009 in the large-scale grid-connected photovoltaic experiment and demonstration of Kunming stone forest power station, total installation of generating capacity 166 megawatts.For complying with the flourish of solar energy power generating situation, guarantee that big-and-middle-sized photovoltaic plant safety and stability is incorporated into the power networks, set up big-and-middle-sized photovoltaic plant and move very necessity of detection platform, and have broad application prospects.
Summary of the invention
The purpose of this utility model is: at present, China supports to build big-and-middle-sized photovoltaic plant just energetically, at the deficiency that does not also have the portable detection platform of big-and-middle-sized photovoltaic plant, propose a kind of big-and-middle-sized photovoltaic plant and move detection platform, in order to finish the experiment and the detection of the on-the-spot weather information in big-and-middle-sized photovoltaic electric station grid connection performance, the quality of power supply and power station.Specifically comprise: (1) big-and-middle-sized photovoltaic plant Power Quality Detection; (2) big-and-middle-sized photovoltaic plant low-voltage tolerance detects; (3) the anti-isolated island ability of big-and-middle-sized photovoltaic plant detects; (4) measurement of on-the-spot meteorologic parameter.
In order to realize the foregoing invention purpose, the present invention adopts following technical scheme:
Big-and-middle-sized photovoltaic plant car moves detection platform, comprising: vehicle-mounted centralized control system, the vehicle-mounted low-voltage tolerance of the MW class of communicating by letter with this vehicle-mounted centralized control system pick-up unit (charged net disturbance generation function), MW class vehicle-mounted anti-isolated island protection pick-up unit, meteorologic parameter harvester and equipment for monitoring power quality.Whole platform adopts vehicle-mounted container and special purpose vehicle as carrier, is made up of many cars, comprises centralized control system car, low-voltage tolerance inspection vehicle, anti-isolated island protection inspection vehicle and anti-isolated island protective device support equipment car.Meteorologic parameter harvester and equipment for monitoring power quality are installed in the centralized control system car, it can be split out and is placed in the monitoring point during use.The centralized control system car carries out communication by inter-vehicle communication cable and low-voltage tolerance inspection vehicle, anti-isolated island protection inspection vehicle and anti-isolated island protective device support equipment car.
Further, described vehicle-mounted centralized control system to whole platform unify to control, data acquisition and analyzing and processing.Have main control cabinet, qin formula operator's console, coulomb collection system, vehicle mounted communication assembly, ups power, isolating transformer, cable drum, and monitoring software is housed.External power source is connected to main control cabinet by isolating transformer and is used for to whole platform power.Coulomb collection system, vehicle mounted communication assembly and ups power are installed in the main control cabinet, and main control cabinet is responsible for the communication of whole platform and is provided reliable power supply for qin formula operator's console and whole platform.Overall performance is: comprehensive functions such as the field monitor when satisfying the detection of big-and-middle-sized photovoltaic plant scene, field control, experiment protection, data acquisition, data analysis, curve plotting, report output.The operator's console compact conformation satisfies vehicle-mounted space requirement, satisfies existing EMC standard after the system integration, and above the fold is installed the scram button switch.Device is equipped with main control workstation and operator workstation, functions such as the responsible collection to on-the-spot detection system mould/quantity of main control workstation, status surveillance, operation control, alarm indication, curve plotting, report output; Functions such as the responsible start and stop control to on-the-spot detection system of operator workstation, collection capacity show, state shows, unusual prompting, back-end data processing.Device has good reliability and function expansibility, reserves corresponding software and hardware resources expansion interface.
The vehicle-mounted low-voltage tolerance pick-up unit of described MW class (charged net disturbance generation function) is finished the low-voltage tolerance test of big-and-middle-sized photovoltaic plant and the test of voltage/frequency response characteristic.Have I/O isolating switch, I/O transformer, high voltage converter and cable drum.Cable drum institute download cable is used for connecting tested photovoltaic plant and I/O isolating switch, and the I/O isolating switch other end links to each other with the I/O transformer, voltage is reduced the back use for high voltage converter.Overall performance is: the voltage source characteristic that can the real simulation electric network fault and the fluctuation of voltage/frequency, and make electrical network produce substance to fall, the power feed-in electrical network that photovoltaic plant is sent.Installed capacity 1.5 megawatts, the input/output voltage grade is 10kV, 20kV and 35kV, is equipped with corresponding I/O isolating switch, can be on the spot/remote operation.Possess the ability with vehicle-mounted centralized control system communication, can upload/download each switching value and analog quantity, can finish the requirement of all kinds of experiment test curve dynamic operations that vehicle-mounted centralized control system issues.
The vehicle-mounted anti-isolated island protection pick-up unit of described MW class is finished the detection to the anti-isolated island ability of big-and-middle-sized photovoltaic plant.Overall performance is: major loop is made up of resistive load, inductive load and capacitive load three parts, total volume 1080kW, and power factor ± 0.3-1 can adjust.Three fractional loads are by control of RLC independence rotation combination and toggle switch segmentation control, and resistive load: 0.1-0.9kW, 1-9kW, 10kW (A phase, B phase, C have 2 10 grades of rotation combination switches mutually respectively, 1 toggle switch, totally 9 switches) are independently controlled in phase-splitting; 20kW, 50kW, 50kW, 100kW, 100kW, 100kW, 100kW, 100kW, 100kW, 100kW, 100kW, 100kW (12 toggle switches).Inductive load: 0.1-0.9kVA, 1-9kVA, 10kVA (A phase, B phase, C have 2 10 grades of rotation combination switches mutually respectively, 1 toggle switch, totally 9 switches) are independently controlled in phase-splitting; 20kVA, 50kVA, 50kVA, 100kVA, 100kVA, 100kVA, 100kVA, 100kVA, 100kVA, 100kVA, 100kVA, 100kVA (12 toggle switches).Capacitive load: 0.1-0.9kvar, 1-9kvar, 10kvar (A phase, B phase, C have 2 10 grades of rotation combination switches mutually respectively, 1 toggle switch, totally 9 switches) are independently controlled in phase-splitting; 20kvar, 50kvar, 50kvar, 100kvar, 100kvar, 100kvar, 100kvar, 100kvar, 100kvar, 100kvar, 100kvar, 100kvar (12 toggle switches).But resistive, perceptual, the equal independent assortment of capacitive part, minimum step amplitude 100W.
Described on-the-spot meteorologic parameter harvester is finished the detection to the on-the-spot weather information of photovoltaic plant, comprises weather datas such as radiation, temperature, humidity, wind speed and air pressure.Overall performance is: possess the real-time weather data of photovoltaic plant collection in worksite, and by radio transmitting device with data upload to the ability of vehicle-mounted centralized control system, but the data storage capacities continuous recording is more than one month.Device volume is little, in light weight, fabricated structure, self disposes electric power system (dispose civil power simultaneously and exchange interface), and cloudy sustainable work is more than 7 days.Can measure built-up radiation, direct radiation, reflected radiation, scattered radiation, UV radiation, sunshine-duration, environment temperature, assembly temperature, ambient humidity, wind speed, blast, air pressure ten binomial indexs.Device performance is stable, high, the unmanned of accuracy of detection.
Described quality of power supply remote detection device can be finished the detection of combining inverter output terminal, the survey of main transformer low pressure and high-pressure side power factor characteristic, power out-put characteristic, power quality index.Overall performance is: possess online remote real time monitoring, collection, analysis, export the ability of all parameters of each grid cyclic wave, each cycle sampling rate is more than 1024, and the data storage degree of depth is a continuous recording more than month, and the no record incident passes into silence.Can make things convenient for compositing area electric energy quality monitoring network, each control point possesses ability from instruction to vehicle-mounted centralized control system that upload in real time quality of power supply form by, and each power quality index alarming value that crosses the border can conveniently be set.
The beneficial effects of the utility model are, can finish the test of low-voltage tolerance, the test of voltage/frequency response characteristic, anti-isolated island protective value test, power quality index test, meritorious control characteristic test, the test of idle control characteristic, power out-put characteristic test and the universal performance index test of big-and-middle-sized photovoltaic plant.Can finish the unification of whole platform by vehicle-mounted centralized control system and control, data acquisition and data analysis are handled.This big-and-middle-sized photovoltaic plant moves detection platform at the characteristics that the big-and-middle-sized photovoltaic plant construction of China relatively disperses, has a very wide distribution, and has to move advantages such as flexible, that integrated level is high, and operation and maintenance is convenient, is convenient to the experiment and the detection of big-and-middle-sized photovoltaic plant.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 moves the detection platform structured flowchart for the big-and-middle-sized photovoltaic plant of the utility model.
Fig. 2 moves the detection platform electrical diagram for the big-and-middle-sized photovoltaic plant of the utility model.
Embodiment
The big-and-middle-sized photovoltaic plant of present embodiment moves detection platform as shown in Figure 1, and its composition comprises vehicle-mounted centralized control system, the vehicle-mounted low-voltage tolerance of the MW class of communicating by letter with vehicle-mounted centralized control system pick-up unit (charged net disturbance generation function), MW class vehicle-mounted anti-isolated island protection pick-up unit, meteorologic parameter harvester and equipment for monitoring power quality.Whole platform adopts vehicle-mounted container and special purpose vehicle as carrier, is made up of many cars, comprises centralized control system car, low-voltage tolerance inspection vehicle, anti-isolated island protection inspection vehicle and anti-isolated island protective device support equipment car.Meteorologic parameter harvester and equipment for monitoring power quality are installed in the centralized control system car, it can be split out and is placed in the monitoring point during use.The centralized control system car carries out communication by inter-vehicle communication cable and low-voltage tolerance inspection vehicle, anti-isolated island protection inspection vehicle and anti-isolated island protective device support equipment car.
Below in conjunction with embodiment main each function of this device is described (see figure 2).
Equipment for monitoring power quality: tested photovoltaic plant normally is incorporated into the power networks by the main breaker that is incorporated into the power networks, the high-pressure side that equipment for monitoring power quality is placed in photovoltaic electric station grid connection point, points of common connection respectively and boosts and become, the power quality parameter that photovoltaic plant is sent is gathered in real time and is sent data wireless to vehicle-mounted centralized control system storage.
The vehicle-mounted low-voltage tolerance of MW class pick-up unit: tested photovoltaic plant normally is incorporated into the power networks by the main breaker that is incorporated into the power networks, and the vehicle-mounted low-voltage tolerance of MW class pick-up unit is connected in parallel on the main breaker both sides of being incorporated into the power networks.Testing crew sends instructions under pick-up unit by vehicle-mounted centralized control system, pick-up unit according to command request output correspondent voltage fall, voltage disturbance and frequency disturbance, detect the low-voltage tolerance and the voltage/frequency disturbance characteristic of photovoltaic plant and response curve be uploaded to vehicle-mounted centralized control system and carry out Treatment Analysis.
The vehicle-mounted anti-isolated island protection pick-up unit of MW class: testing crew is at first measured active power and the reactive power that tested photovoltaic plant sends; resistance, inductance and capacitance according to the anti-island detection device of measurement result adjustment; to prevent that the island detection device connects the inverter outgoing side and simulates local load; the main breaker that will be incorporated into the power networks disconnects; the recording light overhead utility stops to detect the anti-isolated island ability of photovoltaic plant under extreme case to the time of sending electricity outside.
The meteorologic parameter harvester: the meteorologic parameter at real-time measuring light overhead utility scene, and data upload to vehicle-mounted centralized control system is used for finishing power out-put characteristic test by radio transmitting device.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation form, all drop on the protection domain of the utility model requirement.
Claims (1)
1. big-and-middle-sized photovoltaic plant car moves detection platform, it is characterized in that, comprising: vehicle-mounted centralized control system, the vehicle-mounted low-voltage tolerance of the MW class of communicating by letter pick-up unit, MW class vehicle-mounted anti-isolated island protection pick-up unit, meteorologic parameter harvester and equipment for monitoring power quality with this vehicle-mounted centralized control system;
Whole platform adopts vehicle-mounted container and special purpose vehicle as carrier, is made up of many cars, comprises centralized control system car, low-voltage tolerance inspection vehicle, anti-isolated island protection inspection vehicle and anti-isolated island protective device support equipment car; Meteorologic parameter harvester and equipment for monitoring power quality are installed in the centralized control system car, it can be split out and is placed in the monitoring point during use;
The centralized control system car carries out communication by inter-vehicle communication cable and low-voltage tolerance inspection vehicle, anti-isolated island protection inspection vehicle and anti-isolated island protective device support equipment car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205127913U CN201852889U (en) | 2010-09-01 | 2010-09-01 | Movable detecting platform for large and medium sized photovoltaic power stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205127913U CN201852889U (en) | 2010-09-01 | 2010-09-01 | Movable detecting platform for large and medium sized photovoltaic power stations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852889U true CN201852889U (en) | 2011-06-01 |
Family
ID=44095277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205127913U Expired - Lifetime CN201852889U (en) | 2010-09-01 | 2010-09-01 | Movable detecting platform for large and medium sized photovoltaic power stations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852889U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245979A (en) * | 2013-04-23 | 2013-08-14 | 国家电网公司 | Large-scale million-kilowatt photovoltaic base regional radiation resource monitoring system |
| CN103675523A (en) * | 2013-11-14 | 2014-03-26 | 国家电网公司 | Large-scale photovoltaic power station low voltage ride through detection system suitable for high altitude regions |
| CN105067914A (en) * | 2015-07-24 | 2015-11-18 | 深圳无线电检测技术研究院 | Power quality monitoring method |
| CN106253846A (en) * | 2016-08-24 | 2016-12-21 | 青海天创新能源科技有限公司 | A kind of large-scale ground photovoltaic power station power generation performance filed detection system |
| CN106370238A (en) * | 2016-10-31 | 2017-02-01 | 皮普军 | Large-and-medium-sized photovoltaic power station mobile detection platform |
-
2010
- 2010-09-01 CN CN2010205127913U patent/CN201852889U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245979A (en) * | 2013-04-23 | 2013-08-14 | 国家电网公司 | Large-scale million-kilowatt photovoltaic base regional radiation resource monitoring system |
| CN103675523A (en) * | 2013-11-14 | 2014-03-26 | 国家电网公司 | Large-scale photovoltaic power station low voltage ride through detection system suitable for high altitude regions |
| WO2015070482A1 (en) * | 2013-11-14 | 2015-05-21 | 国家电网公司 | Low voltage ride through detection system suited for use in large-scale photovoltaic power stations in high-altitude regions |
| CN105067914A (en) * | 2015-07-24 | 2015-11-18 | 深圳无线电检测技术研究院 | Power quality monitoring method |
| CN106253846A (en) * | 2016-08-24 | 2016-12-21 | 青海天创新能源科技有限公司 | A kind of large-scale ground photovoltaic power station power generation performance filed detection system |
| CN106370238A (en) * | 2016-10-31 | 2017-02-01 | 皮普军 | Large-and-medium-sized photovoltaic power station mobile detection platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201555912U (en) | On-vehicle movable detection integrating device for small-sized photovoltaic power station | |
| CN106054672B (en) | Real microgrid operation dynamic simulation test platform based on RT-LAB | |
| CN103105550B (en) | A kind of intelligent relay protection device detection method and system | |
| CN102570508B (en) | Systems for controlling a power conversion system | |
| CN105337304A (en) | Low voltage ride through data acquisition method for photovoltaic power station | |
| CN201852889U (en) | Movable detecting platform for large and medium sized photovoltaic power stations | |
| CN202633961U (en) | Monitoring system for battery energy storing station | |
| CN103746389B (en) | Wind-powered electricity generation 500kV based on reactive voltage characteristic collects Substation Reactive-power Compensation collocation method | |
| CN103366064A (en) | Test method for parameters of wind farm dynamic model | |
| CN112305340B (en) | True type test platform of low-voltage power distribution Internet of things | |
| CN108768296A (en) | A kind of photovoltaic module monitoring method | |
| CN203365567U (en) | Wind power generation converter test platform for simulation of wind power on-site operating conditions | |
| CN102983595B (en) | Interface device for distributed power generation system and power grid and control method of interface device | |
| Tianze et al. | Application and design of solar photovoltaic system | |
| CN103956827B (en) | A kind of Detecting Power Harmonics control system based on the micro-electrical network of many power supplys | |
| CN203350356U (en) | High-voltage user photovoltaic power generation energy metering system | |
| CN106856331B (en) | Grid-connected performance testing method for wind-solar combined power generation system | |
| CN104485672A (en) | Photovoltaic inverter group self-balancing control method and system applicable to micro grid | |
| CN103487702B (en) | Small-power movable micro-grid connection detecting system | |
| CN106849113A (en) | A kind of idle work optimization device appraisal procedure based on numerical model analysis emulation | |
| CN103995201B (en) | Wind power generation set islanding test device | |
| CN208423810U (en) | It is a kind of with practical and teaching and scientific research function micro-capacitance sensor platform | |
| CN204269781U (en) | A kind of LED street lamp test macro | |
| Irmak et al. | Software and hardware implementation of a graphical user interface for solar power plants | |
| Zhang et al. | Research on Storage and Analysis Technology of Wide-Frequency Measurement Data in Station Domain Based on Edge Computing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |