CN204168235U - With the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment of power detection - Google Patents

With the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment of power detection Download PDF

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Publication number
CN204168235U
CN204168235U CN201420712743.7U CN201420712743U CN204168235U CN 204168235 U CN204168235 U CN 204168235U CN 201420712743 U CN201420712743 U CN 201420712743U CN 204168235 U CN204168235 U CN 204168235U
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China
Prior art keywords
inverter
photovoltaic
control
assembly
centralized
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CN201420712743.7U
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Inventor
史君海
缪卫龙
瞿建国
冷吉果
唐沁雪
赵琼
汪鸿运
顾莎琳
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JIANGSU BLUE SKY PHOTOVOLTAIC TECHNOLOGY Co Ltd
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JIANGSU BLUE SKY 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 discloses a kind of concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection, and centralized control apparatus (4) is connected by order wire between (5) with photovoltaic module string conflux detection device (1), control device for inverter (2), transformer measure control device (3), assembly inverter; Fiducial (6) and assembly inverter (5) are electrically connected; Photovoltaic module string conflux detection device (1) is arranged in header box; Control device for inverter (2) is arranged in centralized photovoltaic combining inverter; Transformer measure control device (3) is arranged in isolating transformer; Centralized monitoring and controlling device (4) is arranged in inverter or isolating transformer; Assembly inverter (5) is grid-connected for photovoltaic component DC electricity is converted to alternating current; Fiducial (6) is the reference light photovoltaic assembly of measuring and calculating photovoltaic efficiency; The utility model improves photovoltaic generating system efficiency and automatization level, is convenient to Installation and Debugging and operation maintenance.

Description

With the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment of power detection
Technical field
The utility model belongs to field of photovoltaic power generation, particularly relates to a kind of concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection.
Background technology
At present, concentrate the monitoring management of inversion pressure swing type photovoltaic power generation apparatus, by photovoltaic plant substation supervision system, be placed on photovoltaic module string conflux detection device in direct current conflux case, the control device of centralized photovoltaic combining inverter, transformer measure control device and the communication processor being placed on inverter or transformer place, and supporting communication network realizes jointly.
In photovoltaic plant substation supervision system management station, whole many covers even reach hundred cover inverters, transformer, more direct current conflux case and other equipment, isolate the inversion transformation process continuity that confluxes, lack photovoltaic generation to conflux the integrated management of inversion transformation procedural information, hinder the raising of photovoltaic power generation apparatus reliability and efficiency performance.Inversion transformation photovoltaic power generation apparatus is concentrated usually to be distributed in the vast ground of area or many industrial premises roofings, also difficulty is brought to power station debugging and operation maintenance, operation maintenance personnel need the efficiency grasping photovoltaic generation process in real time, judge generating state and fault, distributed equipment control and detection photovoltaic power generation equipment, safeguard and monitoring inconvenience.
Utility model content
In order to solve prior art problem, the utility model provides a kind of concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection, can concentrated collection transformer power output, the power output of photovoltaic combining inverter, the power output of direct current conflux case, the power output of fiducial, integrated image data, sends data to photovoltaic electric substation supervision system and unifies detection control.
With concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment for power detection, comprise photovoltaic module string conflux detection device, control device for inverter, transformer measure control device, centralized monitoring and controlling device, assembly inverter and fiducial;
Centralized control apparatus is connected by order wire with between photovoltaic module string conflux detection device, control device for inverter, transformer measure control device, assembly inverter; Fiducial and assembly inverter are electrically connected, the external photovoltaic electric substation supervision system of centralized monitoring and controlling device;
Photovoltaic module string conflux detection device is arranged in direct current conflux case, and for detecting each group of crosstalk stream, voltage signal of the rear access direct current conflux case in parallel of photovoltaic module serial connection, input/output switching signal, carries out data communication;
Control device for inverter is arranged in centralized photovoltaic combining inverter, and the direct current energy for being exported by direct current conflux case is converted into alternating current and sends into electrical network, measures DC voltage and current, alternating voltage electric current, carries out data communication;
Transformer measure control device is arranged in isolating transformer, for measuring isolating transformer running parameter, carries out data communication;
Centralized monitoring and controlling device is arranged in inverter or isolating transformer, for concentrated communication and electric power system integrated management, carry out communication protocol conversion, realize photovoltaic electric substation supervision system and field device communicating (photovoltaic module string conflux detection device, control device for inverter, transformer measure control device, assembly inverter, the operational factor of concentrated inversion pressure swing type photovoltaic power generation apparatus is delivered to photovoltaic electric substation supervision system, carries out data communication;
(to assembly inverter assembly inverter be connected with an inversion module by each photovoltaic module, simultaneously each assembly has an independent maximum power peak to follow the tracks of) grid-connected for photovoltaic component DC electricity is converted to alternating current, measure maximum power point place voltage, the electric current of photovoltaic module, also can measurement components temperature;
Fiducial is the reference light photovoltaic assembly of measuring and calculating photovoltaic efficiency, access assembly inverter.
The power output of the fiducial that the power output of the direct current conflux case that the power output of the photovoltaic combining inverter that the power output of centralized monitoring and controlling device receiving transformer measure and control device, control device for inverter send, photovoltaic group string conflux detection device send, assembly inverter send, and be sent to external photovoltaic electric substation supervision system, photovoltaic electric substation supervision system contrasts the power output of each equipment, detects each equipment operating efficiency.
Be connected by RS485 or radio communication or power carrier between centralized control apparatus with photovoltaic module string conflux detection device.
Be connected by RS485 or CAN or power carrier or Ethernet between centralized control apparatus with control device for inverter.
Centralized control apparatus and transformer measure control device are connected by RS485 or CAN or power carrier or Ethernet.
Be connected by RS485 or radio communication or power carrier between centralized control apparatus with assembly inverter.
Be connected by RS485 or CAN or Ethernet or GPRS between centralized control apparatus with photovoltaic electric substation supervision system.
Compared with prior art, the utility model beneficial effect comprises:
The utility model is with the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment of power detection, can concentrated collection transformer power output, the power output of photovoltaic combining inverter, the power output of direct current conflux case, the power output of fiducial, integrated image data, send data to photovoltaic electric substation supervision system and unify detection control, improve photovoltaic generating system efficiency and automatization level, be convenient to Installation and Debugging and operation maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model with the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment of power detection.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, with concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment for power detection, comprise photovoltaic module string conflux detection device 1, control device for inverter 2, transformer measure control device 3, centralized monitoring and controlling device 4, assembly inverter 5 and fiducial 6;
Centralized control apparatus 4 is connected by order wire with between photovoltaic module string conflux detection device 1, control device for inverter 2, transformer measure control device 3, assembly inverter 5; Fiducial 6 and assembly inverter 5 are electrically connected, the external photovoltaic electric substation supervision system 7 of centralized monitoring and controlling device 4;
Photovoltaic module string conflux detection device 1 is arranged in direct current conflux case, and for detecting each group of crosstalk stream, voltage signal of the rear access direct current conflux case in parallel of photovoltaic module serial connection, input/output switching signal, carries out data communication;
Control device for inverter 2 is arranged in centralized photovoltaic combining inverter, and the direct current energy for being exported by direct current conflux case is converted into alternating current and sends into electrical network, measures DC voltage and current, alternating voltage electric current, carries out data communication;
Transformer measure control device 3 is arranged in isolating transformer, for measuring isolating transformer running parameter, carries out data communication;
Centralized monitoring and controlling device 4 is arranged in inverter or isolating transformer, for concentrated communication and electric power system integrated management, carry out communication protocol conversion, realize photovoltaic electric substation supervision system 7 to communicate with field apparatus (photovoltaic module string conflux detection device 1, control device for inverter 2, transformer measure control device 3, assembly inverter 5), the operational factor of concentrated inversion pressure swing type photovoltaic power generation apparatus can be delivered to photovoltaic electric substation supervision system 7 (photovoltaic electric substation supervision system is the management main website of photovoltaic generating system), carry out data communication.
(to assembly inverter 5 assembly inverter be connected with an inversion module by each photovoltaic module, simultaneously each assembly has an independent maximum power peak to follow the tracks of) grid-connected for photovoltaic component DC electricity is converted to alternating current, measure maximum power point place voltage, the electric current of photovoltaic module, measurement components temperature;
Fiducial 6 is the reference light photovoltaic assembly of measuring and calculating photovoltaic efficiency, is with the photovoltaic module manufacture accessing photovoltaic combining inverter, installs consistent photovoltaic module, access assembly inverter 5.
The power output of the fiducial 6 that the power output of the direct current conflux case that the power output of the photovoltaic combining inverter that the power output of centralized monitoring and controlling device 4 receiving transformer measure and control device 3, control device for inverter 2 send, photovoltaic group string conflux detection device 1 send, assembly inverter 5 send, and be sent to external photovoltaic electric substation supervision system 7, photovoltaic electric substation supervision system 7 contrasts the power output of each equipment, detects each equipment operating efficiency.
Be connected by RS485 or radio communication or power carrier between centralized control apparatus 4 with photovoltaic module string conflux detection device 1.
Be connected by RS485 or CAN or power carrier or Ethernet between centralized control apparatus 4 with control device for inverter 2.
Centralized control apparatus 4 and transformer measure control device 3 are connected by RS485 or CAN or power carrier or Ethernet.
Be connected by RS485 or radio communication or power carrier between centralized control apparatus 4 with assembly inverter 5.
Be connected by RS485 or CAN or Ethernet or GPRS between centralized control apparatus 4 with photovoltaic electric substation supervision system 7.
The utility model is only optimized the annexation of above-mentioned photovoltaic module string conflux detection device 1, control device for inverter 2, transformer measure control device 3, centralized control apparatus 4, assembly inverter 5 and fiducial 6 and set-up mode, monitoring or the control procedure of concrete device are not optimized, arrange monitoring or control procedure same as the prior art.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (6)

1. the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection, it is characterized in that, comprise photovoltaic module string conflux detection device (1), control device for inverter (2), transformer measure control device (3), centralized monitoring and controlling device (4), assembly inverter (5) and fiducial (6);
Described centralized control apparatus (4) is connected by order wire between (5) with photovoltaic module string conflux detection device (1), control device for inverter (2), transformer measure control device (3), assembly inverter; Described fiducial (6) and assembly inverter (5) are electrically connected, the external photovoltaic electric substation supervision system (7) of described centralized monitoring and controlling device (4);
Photovoltaic module string conflux detection device (1) is arranged in direct current conflux case;
Described control device for inverter (2) is arranged in centralized photovoltaic combining inverter;
Described transformer measure control device (3) is arranged in isolating transformer;
Described centralized monitoring and controlling device (4) is arranged in inverter or isolating transformer, for concentrated communication, carry out communication protocol conversion, realize the communication between photovoltaic electric substation supervision system (7) and photovoltaic module string conflux detection device (1), control device for inverter (2), transformer measure control device (3), assembly inverter (5);
Assembly inverter (5) is grid-connected for photovoltaic component DC electricity is converted to alternating current, measures maximum power point place voltage, the electric current of photovoltaic module, measuring basis assembly temperature;
Described fiducial (6) is the reference light photovoltaic assembly of measuring and calculating photovoltaic efficiency, access assembly inverter (5).
2. the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection according to claim 1, it is characterized in that, be connected by RS485 or radio communication or power carrier between described centralized control apparatus (4) with photovoltaic module string conflux detection device (1).
3. the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection according to claim 1, it is characterized in that, be connected by RS485 or CAN or power carrier or Ethernet between described centralized control apparatus (4) with control device for inverter (2).
4. the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection according to claim 1, it is characterized in that, described centralized control apparatus (4) and transformer measure control device (3) are connected by RS485 or CAN or power carrier or Ethernet.
5. the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection according to claim 1, it is characterized in that, be connected by RS485 or radio communication or power carrier between described centralized control apparatus (4) with assembly inverter (5).
6. the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment with power detection according to claim 1, it is characterized in that, described centralized control apparatus (4) is connected by RS485 or CAN or Ethernet or GPRS with between photovoltaic electric substation supervision system 7.
CN201420712743.7U 2014-11-25 2014-11-25 With the concentrated inversion pressure swing type photovoltaic generation monitoring the complete sets of equipment of power detection Active CN204168235U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106843290A (en) * 2017-03-01 2017-06-13 江苏国电铁塔有限公司 Photovoltaic tracking support array is remotely performed and cluster control system
CN107544049A (en) * 2017-08-01 2018-01-05 中国科学院电工研究所 Method according to grid entry point Source of Gateway Meter write by hand data correction power station data deviation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106843290A (en) * 2017-03-01 2017-06-13 江苏国电铁塔有限公司 Photovoltaic tracking support array is remotely performed and cluster control system
CN107544049A (en) * 2017-08-01 2018-01-05 中国科学院电工研究所 Method according to grid entry point Source of Gateway Meter write by hand data correction power station data deviation
CN107544049B (en) * 2017-08-01 2020-05-19 中国科学院电工研究所 Method for correcting power station data deviation according to hand-reading data of grid-connected point gateway meter

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