CN204145408U - Photovoltaic generating system with confluxing, inversion, boosting monitoring metering integrated device - Google Patents

Photovoltaic generating system with confluxing, inversion, boosting monitoring metering integrated device Download PDF

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Publication number
CN204145408U
CN204145408U CN201420469880.2U CN201420469880U CN204145408U CN 204145408 U CN204145408 U CN 204145408U CN 201420469880 U CN201420469880 U CN 201420469880U CN 204145408 U CN204145408 U CN 204145408U
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Prior art keywords
inversion
direct current
acquisition unit
data acquisition
boosting
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CN201420469880.2U
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潘晨曦
常勇
武智雄
潘骁
杨童娟
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SHANGHAI JINYOU PHOTOVOLTAIC TECHNOLOGY Co Ltd
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SHANGHAI JINYOU PHOTOVOLTAIC TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model relate to a kind of photovoltaic generating system with confluxing, inversion, boosting monitoring metering integrated device, highly assembling integral type, comprising the Sun-orienting Tracking Device for following the trail of sun altitude, solar azimuth; For detecting the direct current collector of header box electric current, voltage, generated output collection; For the inversion box controller of the output voltage overvoltage threshold and output voltage brownout threshold that arrange inverter; For detecting the temperature transmitter of photovoltaic cell component surface temperature; For the environmental data collecting instrument of the parameter informations such as testing environment humidity, temperature; For detecting the gate inhibition of power station box house, the gate control system of fire alarm and fire perceiving device; Video Remote control, adjustment direction, the camera control device of recording a video, taking pictures can be carried out to camera; Achieve the comprehensive detection to photovoltaic plant each several part and monitoring, reduce the probability of malfunction of photovoltaic plant, improve the automatic management in power station, save a large amount of man power and materials, improve operating efficiency.

Description

Photovoltaic generating system with confluxing, inversion, boosting monitoring metering integrated device
Technical field
The utility model relate to a kind of photovoltaic generating system with confluxing, the device of inversion boosting, be a kind of photovoltaic generating system specifically with confluxing, inversion, boosting monitoring metering integrated device.
Background technology
Pv grid-connected plant system is generally that low voltage direct current is converted into and the alternating current of public electric wire net voltage with frequency homophase by photovoltaic combiner box, inversion box, boosting case by the direct current sent by photovoltaic array.At present, header box, inversion box, boosting case are separately laid, the direct current that solar array sends first enters header box through low-voltage direct electric wire and confluxes, inversion box is being entered by DC bus, direct voltage is converted to alternating voltage, low-voltage AC is transported to boosting case by ac bus by inversion box output, and low-voltage AC is converted to High Level AC Voltage and exports by boosting case.Separately lay header box, inversion box, boosting case need to overcome many technical problems technically, such as safe distance can be set in order to prevent from puncturing between inversion box and boosting case, thus make inversion box and boosting case between electric wire in an atmosphere exposed or ground the end, extreme weather and mouse ant all can cause danger of hazardous electrical discharges, at present confluxing, inversion, only in inversion and boost process, have monitoring in boost process, and the monitoring of inversion and boost process is administered by electrical network.
For existing deficiency, existing photovoltaic plant height is assembled integral type, complete in an integral box conflux, inversion, boosting.And the whole generating system in grid-connected power station needs the supervising device of complete set; my company designs a layering, classification, distributed open supervisory control system; respectively to confluxing, inversion, the parameter of boost process, route protection, direct current system patrol and examine, environmental monitoring, to following the trail of day, housing gate inhibition and fire alarm etc. carry out unified monitoring, and alarm.
Summary of the invention
For above-mentioned situation, the utility model provides a kind of photovoltaic generating system with confluxing, inversion, boosting monitoring metering integrated device, highly assemble integral type, complete in an integral box conflux, inversion, boosting.Improving supervisory control system, comprising the Sun-orienting Tracking Device for following the trail of sun altitude, solar azimuth, solar declination, solar hour angle set up; For detecting header box electric current, voltage, generated output, the data of electricity, the direct current collector of DC circuit breaker state acquisition; For the failure state of DC lightning protection device and the lightning protection box of life tests, for arranging the input voltage brownout threshold of inverter, input voltage overvoltage threshold, output voltage overvoltage threshold and output voltage brownout threshold and detecting the inversion box controller of power output, input power, output voltage, input voltage, output current, input current, energy output; For detecting the temperature transmitter of photovoltaic cell component surface temperature; For the environmental data collecting instrument of the parameter informations such as testing environment humidity, temperature, wind speed, wind direction, radiation; For detecting the gate inhibition of power station box house, the gate control system of fire alarm and fire perceiving device; Monitoring camera and Video Remote control, adjustment direction, the camera control device of recording a video, taking pictures can be carried out to camera on the spot; This monitor system performance is stable, perfect in shape and function, practical.Achieve the comprehensive detection to photovoltaic plant each several part and monitoring, reduce the probability of malfunction of photovoltaic plant, improve the automatic management in power station, save a large amount of man power and materials, improve operating efficiency.
To achieve these goals, the technical solution of the utility model is as follows:
Photovoltaic generating system is with confluxing, inversion, boosting monitoring metering integrated device, comprise photovoltaic cell, two direct current conflux cases, two inversion box, a boosting case and integrated form housing, photovoltaic cell output to stretch in integrated form housing and is connected with direct current conflux case input, the output of direct current conflux case is connected with inversion box by DC bus, a direct current conflux case and an inversion box form one group of inverter circuit that confluxes, two groups of inverter circuit outputs that conflux all are connected to boosting case by ac bus, boosting case output connects high-voltage fence, it is characterized in that, also comprise supervising device, described supervising device comprises data acquisition unit, background monitoring main frame, communication management host, data acquisition unit main frame has two outputs, an output is connected with background monitoring main frame, another output connects communication management host, described data acquisition unit comprises temperature transmitter, Sun-orienting Tracking Device, direct current collector, inversion box controller, environmental data collecting instrument, gate control system, fire perceiving device, camera control device, described temperature transmitter is located on each photovoltaic cell, temperature transmitter is all connected with data acquisition unit host port, described Sun-orienting Tracking Device to be located near photovoltaic cell and to be connected with data acquisition unit host port, it is inner that data acquisition unit main frame is located at by described direct current collector and inversion box controller, integrated form outside is located at by described environmental data collecting instrument, environmental data collecting instrument is connected with data acquisition unit host port, described gate control system, fire perceiving device is located at integrated form enclosure interior with camera control device and is connected with data acquisition unit host port.
Described each header box comprises two DC fuses, two DC lightning protection devices, two DC circuit breakers, two direct current EMC filters, each DC fuse, a DC lightning protection device, a DC circuit breaker and a direct current EMC filter form one group, photovoltaic cell output live wire and zero line are connected DC fuse input respectively, the output of DC fuse is connected with direct current EMC filter, the output of direct current EMC filter is connected with inversion box, also be provided with DC lightning protection device between photovoltaic cell output live wire and zero line, photovoltaic cell output zero line is provided with DC fuse.
Described inversion box comprises three-phase inversion bridge circuit, LC filter, exchanges EMC filter, A.C. contactor, AC circuit breaker, communication lightning-protection device, described three inverter bridge outputs are connected with LC filter input end, LC filter output is connected with interchange EMC filter, exchange EMC filter output to be connected with A.C. contactor and AC circuit breaker successively, AC circuit breaker is connected with boosting case, and described AC circuit breaker output is also provided with communication lightning-protection device.
Described header box is 16 road battery serial ports inputs, and the direct current starting resistor of header box is 450 ~ 550V, maximum input voltage 1000V, maximum input current 2400A.
The rated power 1000KW of described inversion box, maximum output AC power 1100KW, current distortion rate < 3%.
Described direct current collector adopts the 2*16 road direct current collector of CE series.
Described inverter controller adopts embedded controller MOXAia240.Its hardware configuration is modular construction, and this structure is easily installed, easily used, and has extraordinary reliability, autgmentability, compatibility, and communication function is strong, networking flexibility, can complete independently TT&C task, can ensure the safe operation of system.
Described Sun-orienting Tracking Device adopts the design of double-axis tracking, Dual-spindle linked, utilizes single-chip microcomputer and driving stepper motor twin shaft, by carrying out the control of level, pitching two degrees of freedom to follower, realizes following the tracks of the all-weather of sunlight.Adopt photoelectric tracking mode, change generation feed back signal to computer by photoelectric sensor according to the power of incident ray, the angle of computer runs programs adjustment plane skylight realizes the tracking to the sun, improves the efficiency of solar power generation, reduces energy consumption.
Advantage of the present utility model: highly assemble integral type, complete in an integral box conflux, inversion, boosting.Improving supervisory control system, comprising the Sun-orienting Tracking Device for following the trail of sun altitude, solar azimuth, solar declination, solar hour angle set up; For detecting header box electric current, voltage, generated output, the data of electricity, the direct current collector of DC circuit breaker state acquisition; For the failure state of DC lightning protection device and the lightning protection box of life tests, for arranging the input voltage brownout threshold of inverter, input voltage overvoltage threshold, output voltage overvoltage threshold and output voltage brownout threshold and detecting the inversion box controller of power output, input power, output voltage, input voltage, output current, input current, energy output; For detecting the temperature transmitter of photovoltaic cell component surface temperature; For the environmental data collecting instrument of the parameter informations such as testing environment humidity, temperature, wind speed, wind direction, radiation; For detecting the gate inhibition of power station box house, the gate control system of fire alarm and fire perceiving device; Monitoring camera and Video Remote control, adjustment direction, the camera control device of recording a video, taking pictures can be carried out to camera on the spot; This monitor system performance is stable, perfect in shape and function, practical.Achieve the comprehensive detection to photovoltaic plant each several part and monitoring, reduce the probability of malfunction of photovoltaic plant, improve the automatic management in power station, save a large amount of man power and materials, improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model schematic block diagram.
In the drawings: 1-photovoltaic cell, 2-direct current conflux case, 3-inversion box, 4-boosts case, 5-integrated form housing, 6-data acquisition unit main frame, 7-background monitoring main frame, 8-communication management host, 9-temperature transmitter, 10-Sun-orienting Tracking Device, 11-direct current collector, 12-inversion box controller, 13-environmental data collecting instrument, 14-gate control system, 15-fire perceiving device, 16-camera control device.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, photovoltaic generating system is with confluxing, inversion, boosting monitoring metering integrated device, comprise photovoltaic cell, two direct current conflux cases, two inversion box, a boosting case and integrated form housing, photovoltaic cell output to stretch in integrated form housing and is connected with direct current conflux case input, the output of direct current conflux case is connected with inversion box by DC bus, a direct current conflux case and an inversion box form one group of inverter circuit that confluxes, two groups of inverter circuit outputs that conflux all are connected to boosting case by ac bus, boosting case output connects high-voltage fence, it is characterized in that, also comprise supervising device, described supervising device comprises data acquisition unit, background monitoring main frame, communication management host, data acquisition unit main frame has two outputs, an output is connected with background monitoring main frame, another output connects communication management host, described data acquisition unit comprises temperature transmitter, Sun-orienting Tracking Device, direct current collector, inversion box controller, environmental data collecting instrument, gate control system, fire perceiving device, camera control device, described temperature transmitter is located on each photovoltaic cell, temperature transmitter is all connected with data acquisition unit host port, described Sun-orienting Tracking Device to be located near photovoltaic cell and to be connected with data acquisition unit host port, it is inner that data acquisition unit main frame is located at by described direct current collector and inversion box controller, integrated form outside is located at by described environmental data collecting instrument, environmental data collecting instrument is connected with data acquisition unit host port, described gate control system, fire perceiving device is located at integrated form enclosure interior with camera control device and is connected with data acquisition unit host port.
Described each header box comprises two DC fuses, two DC lightning protection devices, two DC circuit breakers, two direct current EMC filters, each DC fuse, a DC lightning protection device, a DC circuit breaker and a direct current EMC filter form one group, photovoltaic cell output live wire and zero line are connected DC fuse input respectively, the output of DC fuse is connected with direct current EMC filter, the output of direct current EMC filter is connected with inversion box, also be provided with DC lightning protection device between photovoltaic cell output live wire and zero line, photovoltaic cell output zero line is provided with DC fuse.
Described inversion box comprises three-phase inversion bridge circuit, LC filter, exchanges EMC filter, A.C. contactor, AC circuit breaker, communication lightning-protection device, described three inverter bridge outputs are connected with LC filter input end, LC filter output is connected with interchange EMC filter, exchange EMC filter output to be connected with A.C. contactor and AC circuit breaker successively, AC circuit breaker is connected with boosting case, and described AC circuit breaker output is also provided with communication lightning-protection device.
Described header box is 16 road battery serial ports inputs, and the direct current starting resistor of header box is 450 ~ 550V, maximum input voltage 1000V, maximum input current 2400A.
The rated power 1000KW of described inversion box, maximum output AC power 1100KW, current distortion rate < 3%.
Described direct current collector adopts the 2*16 road direct current collector of CE series.
Described inverter controller adopts embedded controller MOXAia240.Its hardware configuration is modular construction, and this structure is easily installed, easily used, and has extraordinary reliability, autgmentability, compatibility, and communication function is strong, networking flexibility, can complete independently TT&C task, can ensure the safe operation of system.
Described Sun-orienting Tracking Device adopts the design of double-axis tracking, Dual-spindle linked, utilizes single-chip microcomputer and driving stepper motor twin shaft, by carrying out the control of level, pitching two degrees of freedom to follower, realizes following the tracks of the all-weather of sunlight.Adopt photoelectric tracking mode, change generation feed back signal to computer by photoelectric sensor according to the power of incident ray, the angle of computer runs programs adjustment plane skylight realizes the tracking to the sun, improves the efficiency of solar power generation, reduces energy consumption.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection range that the utility model requires is defined by appending claims and equivalent thereof.

Claims (2)

1. photovoltaic generating system is with confluxing, inversion, boosting monitoring metering integrated device, comprise photovoltaic cell, two direct current conflux cases, two inversion box, a boosting case and integrated form housing, photovoltaic cell output to stretch in integrated form housing and is connected with direct current conflux case input, the output of direct current conflux case is connected with inversion box by DC bus, a direct current conflux case and an inversion box form one group of inverter circuit that confluxes, two groups of inverter circuit outputs that conflux all are connected to boosting case by ac bus, boosting case output connects high-voltage fence, it is characterized in that, also comprise supervising device, described supervising device comprises data acquisition unit, background monitoring main frame, communication management host, data acquisition unit main frame has two outputs, an output is connected with background monitoring main frame, another output connects communication management host, described data acquisition unit comprises temperature transmitter, Sun-orienting Tracking Device, direct current collector, inversion box controller, environmental data collecting instrument, gate control system, fire perceiving device, camera control device, described temperature transmitter is located on each photovoltaic cell, temperature transmitter is all connected with data acquisition unit host port, described Sun-orienting Tracking Device to be located near photovoltaic cell and to be connected with data acquisition unit host port, it is inner that data acquisition unit main frame is located at by described direct current collector and inversion box controller, integrated form outside is located at by described environmental data collecting instrument, environmental data collecting instrument is connected with data acquisition unit host port, described gate control system, fire perceiving device is located at integrated form enclosure interior with camera control device and is connected with data acquisition unit host port.
2. photovoltaic generating system according to claim 1 with confluxing, inversion, boosting monitoring metering integrated device, it is characterized in that, described inverter controller adopts embedded controller MOXAia240.
CN201420469880.2U 2014-08-19 2014-08-19 Photovoltaic generating system with confluxing, inversion, boosting monitoring metering integrated device Active CN204145408U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105207263A (en) * 2015-09-30 2015-12-30 四川海天环保能源有限公司 Photovoltaic power generation system of waste incineration power plant and grid-connection control method
CN105227136A (en) * 2015-10-26 2016-01-06 苏州华安普电力科技股份有限公司 A kind of distributed roof photovoltaic generation intelligent monitor system
CN105356841A (en) * 2014-08-19 2016-02-24 上海金友光伏科技有限公司 Converging, inverting and boosting monitoring metering integrated electric appliance for photovoltaic power generating system
CN109572454A (en) * 2018-10-17 2019-04-05 国网浙江省电力有限公司杭州供电公司 A kind of electric car Intelligent charging station charging system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356841A (en) * 2014-08-19 2016-02-24 上海金友光伏科技有限公司 Converging, inverting and boosting monitoring metering integrated electric appliance for photovoltaic power generating system
CN105207263A (en) * 2015-09-30 2015-12-30 四川海天环保能源有限公司 Photovoltaic power generation system of waste incineration power plant and grid-connection control method
CN105207263B (en) * 2015-09-30 2018-01-19 四川海天环保能源有限公司 The photovoltaic generating system and grid-connected control method of garbage incinerating power plant
CN105227136A (en) * 2015-10-26 2016-01-06 苏州华安普电力科技股份有限公司 A kind of distributed roof photovoltaic generation intelligent monitor system
CN109572454A (en) * 2018-10-17 2019-04-05 国网浙江省电力有限公司杭州供电公司 A kind of electric car Intelligent charging station charging system
CN109572454B (en) * 2018-10-17 2021-04-06 国网浙江省电力有限公司杭州供电公司 Charging system of intelligent charging station for electric automobile

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