CN116979390A - Automatic voltage reactive power control dual-regulation method for new energy station - Google Patents
Automatic voltage reactive power control dual-regulation method for new energy station Download PDFInfo
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- CN116979390A CN116979390A CN202310955894.9A CN202310955894A CN116979390A CN 116979390 A CN116979390 A CN 116979390A CN 202310955894 A CN202310955894 A CN 202310955894A CN 116979390 A CN116979390 A CN 116979390A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010248 power generation Methods 0.000 claims abstract description 66
- 230000033228 biological regulation Effects 0.000 claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 27
- 238000007726 management method Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 24
- 239000004065 semiconductor Substances 0.000 claims description 24
- 238000004146 energy storage Methods 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 10
- 238000013500 data storage Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to an automatic voltage reactive power control dual regulation method for a new energy station, which comprises the steps of system assembly, model establishment, operation scheduling and data scheduling. The invention has high integration and modularization degree, strong system expansion capability and good universality, can effectively meet the requirement of supporting operation of various new energy station systems such as wind energy, light energy and the like, can effectively realize the bidirectional matching of the actual operation state and the power factor parameters of the new energy station and the actual power supply requirement of the power grid, can timely discover the power generation operation fault of the new energy station and flexibly adjust the power generation efficiency of each power generation device, and can effectively adjust the actual working efficiency of the new energy station according to the actual power supply requirement of the power grid, thereby effectively improving the stability and the reliability of the power generation and power supply operation efficiency of the new energy station.
Description
Technical Field
The invention relates to an automatic voltage reactive power control dual-regulation method for a new energy station, belonging to the technical field of power distribution equipment and intelligent systems.
Background
At present, in actual operation of a new energy station, equipment involved in power generation is often equipment such as a wind power generation system, a photovoltaic power generation system and the like, so that the stability of power generation efficiency, power generation voltage and current is relatively poor when the new energy station is in power generation operation, and the overall operation stability is relatively poor. Meanwhile, in the power supply operation, when a power supply grid runs, synchronous and accurate adjustment is required to be carried out on parameters such as running efficiency, power factor and the like of a corresponding new energy station according to actual power supply requirements, and according to the actual working requirements, the current operation needs are usually only carried out according to the running state of single power generation equipment, or a predictive model is constructed by utilizing the theoretical parameters of the power generation equipment, then the power generation adjustment work of the new energy station is carried out by using the predictive data of the predictive model, and the actual working control efficiency, the power generation efficiency and the power generation stability of the current new energy station are relatively low.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the automatic voltage reactive control dual-regulation method for the new energy station, which has the advantages of high integration and modularization degree, strong system expansion capability and good universality, can effectively meet the requirement of supporting operation of various new energy station systems such as wind energy, light energy and the like, can effectively realize the bidirectional matching of the actual operation state of the new energy station, the power factor parameters and the actual power grid power supply requirement, can timely discover the power generation operation fault of the new energy station and flexibly regulate the power generation efficiency of each power generation device, and can effectively regulate the actual working efficiency of the new energy station according to the actual power supply requirement of the power grid, thereby effectively improving the stability and reliability of the power generation and power supply operation efficiency of the new energy station.
In order to achieve the above object, the present invention is achieved by the following technical scheme:
a new energy station automatic voltage reactive power control dual regulation method comprises the following steps:
s1, system assembly, namely, firstly, setting field data acquisition terminals at each power generation equipment, an independent energy storage system and a new energy station dispatching control system of each new energy station respectively, constructing a dispatching management platform based on cloud computing, then establishing data connection between each field data acquisition terminal and the dispatching management platform through a communication network, and finally, respectively acquiring hardware identification numbers of each field data acquisition terminal by the dispatching management platform and distributing independent data communication addresses for each field data acquisition terminal;
s2, establishing a model, firstly collecting operation data of each power generation device, each energy storage system and each scheduling control system of each new energy station, inputting power generation operation state parameters of each power generation device into a scheduling management platform based on cloud computing, constructing a dynamic operation model of each power generation device by the scheduling management platform according to the received data, simultaneously monitoring and collecting power factor parameters of each new energy station when the scheduling control system operates, independently counting and storing the power factors, and then supplementing rated operation parameters of each power generation device and each energy storage system into the dynamic operation model; meanwhile, each scheduling management platform based on cloud computing obtains power supply parameters of a power supply grid side through a communication network, generates a power supply demand dynamic model, and finally, the scheduling management platform continuously operates for a period of time according to the generated dynamic operation model to obtain prejudgment logic of the operation states of each power generation device, the energy storage system and the scheduling control system of each new energy station;
s3, scheduling operation, wherein in the operation of the step S2, firstly, according to the operation data of each power generation device, each energy storage system and each scheduling control system of each new energy station, the collected data are simultaneously brought into a corresponding dynamic operation model, and the operation state of each device and the power factor in the operation of the current new energy station are monitored in real time; meanwhile, the collected data are brought into a prejudging logic of the running state in the step S2, the running state, the generating capacity and the fault rate of each power generation device, the energy storage system and the scheduling control system of each new energy station are prejudged within 24-36 hours in the future, and meanwhile, the power factor fluctuation is prejudged; finally, combining power supply parameters of a power supply grid side, judging the current power supply capacity and power factor of each new energy station, and comparing the current power supply capacity and power factor with the power supply grid parameters, so as to obtain operation scheduling control parameters of each new energy station;
and S4, data scheduling, namely scheduling and controlling the power generation operation of each new energy station by combining the result of pre-judging the running state, the power generation amount and the failure rate of each new energy station in the step S3 on the basis of the running scheduling control parameters of each new energy station obtained in the step S3, and adjusting and setting the running power factor of the new energy station according to the actual power generation capacity of the new energy station after scheduling and adjusting at the same time, thereby completing the scheduling and management requirements of the new energy station.
Further, on-the-spot data acquisition terminal includes switch board, bears fossil fragments, insulating cushion, direction slide rail, bears tray, baffle, drive circuit, data acquisition circuit, binding post, wiring row, wherein the switch board is the box structure that the axial cross-section is the rectangle, bear fossil fragments and inlay in the switch board, with the coaxial distribution of switch board and with the switch board medial surface between through direction slide rail sliding link, simultaneously, bear fossil fragments for the frame construction with the coaxial distribution of switch board, its lower terminal surface offsets with the switch board bottom, and bear fossil fragments top and link through insulating cushion and baffle, baffle and switch board coaxial distribution and cut apart the switch board from the top down into control chamber and detection chamber, data acquisition circuit is located bears the fossil fragments to be connected through bearing tray and bearing fossil fragments, bear at least two and adjacent two bear the inter-tray through the baffle and keep apart, bear the tray simultaneously and pass through insulating cushion and data acquisition circuit electrical connection between the switch board, at least one binding post is established to the switch board bottom that the data acquisition circuit corresponds, and at least one wiring row is established to the baffle that bears fossil fragments top position, the data acquisition circuit is through each new energy source and the power generation platform is established in the control station and the control panel is connected with the control panel and the control circuit, and is connected with the new energy resource of the power station through the control panel, and the control station is connected to the control panel.
Further, bear fossil fragments include frame, elastic insulation cushion, heat exchange tube, drainage fan, semiconductor refrigeration mechanism, radiator fan, insulating slider, direction slide rail, wherein terminal surface and four at least elastic insulation cushion are connected under the frame to be connected with the switch board bottom through elastic insulation cushion, set up a plurality of direction slide rails in the frame, and the direction slide rail in the frame distributes perpendicularly with the frame axis, and the symmetric distribution is in frame axis both sides, and two direction slide rails of symmetric distribution constitute a bearing group simultaneously, and two direction slide rails in same bearing group slide connection respectively between through two at least insulating sliders and same bearing tray, at least two heat exchange tubes are established to the frame lateral surface, and the both ends of every heat exchange tube all are connected through the drainage fan to constitute closed circulation pipeline, and the same lateral surface of frame is located the heat exchange tube of semiconductor refrigeration mechanism all and is connected with the refrigeration end of 1-4 semiconductor refrigeration mechanism simultaneously, and semiconductor refrigeration mechanism's heat dissipation end is located outside the switch board, and semiconductor refrigeration mechanism's heat dissipation end is connected with a fan, drainage fan all is connected through electric connection.
Further, the refrigerating section of the semiconductor refrigerating mechanism is connected with the heat exchange tubes through a heat exchange sleeve, the heat exchange sleeve comprises a heat exchange block and an elastic clamp, the cross section of the heat exchange block is of a U-shaped groove-shaped structure, the lower end face of the heat exchange block is connected with the outer side face of the frame, at least one storage groove is formed in the lower end face of the heat exchange block, the heat exchange tubes are coated outside the heat exchange tubes through the storage grooves, the heat exchange tubes are uniformly arranged in each storage groove, the heat exchange tubes are connected with the storage grooves through at least two elastic clamps, the semiconductor refrigerating mechanism is embedded in the groove body of the heat exchange block, the refrigerating end of the semiconductor refrigerating mechanism is connected with the groove bottom of the heat exchange block, the upper end face of the heat exchange block is connected with a heat dissipation fan, and the heat dissipation fan is coated outside the upper end face of the heat exchange block.
Further, the bearing tray is of a groove-shaped structure with an H-shaped cross section, the bottoms of the bearing trays are of a grid plate structure, the data acquisition circuit is embedded in the groove body of the upper end face of the bearing tray, and the wires connected between the data acquisition circuit and the wiring terminals and between the data acquisition circuit and the wiring lines are all located in the groove body of the lower end face of the bearing tray and are connected with the groove body of the lower end face of the bearing tray through wiring grooves.
Further, the data acquisition circuit comprises any one or more of a voltage detection circuit, a current detection circuit, an overload detection circuit, a short circuit detection circuit, a phase failure detection circuit, a waveform detection circuit, a temperature detection circuit and a rotating speed detection circuit.
Further, the driving circuit is a circuit system based on any one of a programmable controller and an FPGA chip,
furthermore, the communication network adopts the Internet of things, wherein the communication network is provided with at least one distributed data storage system, and the distributed data storage system is provided with an independent data storage device at each site data acquisition terminal.
The invention has high integration and modularization degree, strong system expansion capability and good universality, can effectively meet the requirement of supporting operation of various new energy station systems such as wind energy, light energy and the like, can effectively realize the bidirectional matching of the actual operation state and the power factor parameters of the new energy station and the actual power supply requirement of the power grid, can timely discover the power generation operation fault of the new energy station and flexibly adjust the power generation efficiency of each power generation device, and can effectively adjust the actual working efficiency of the new energy station according to the actual power supply requirement of the power grid, thereby effectively improving the stability and the reliability of the power generation and power supply operation efficiency of the new energy station.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a flow chart of a method of use of the present invention;
FIG. 2 is a schematic diagram of a local terminal structure of a field data acquisition terminal;
fig. 3 is a schematic diagram of a semiconductor refrigeration mechanism connection structure.
Detailed Description
In order to facilitate the construction of the technical means, the creation characteristics, the achievement of the purposes and the effects of the invention, the invention is further described below with reference to the specific embodiments.
As shown in fig. 1-3, the automatic voltage reactive power control dual regulation method for the new energy station comprises the following steps:
s1, system assembly, namely, firstly, setting field data acquisition terminals at each power generation equipment, an independent energy storage system and a new energy station dispatching control system of each new energy station respectively, constructing a dispatching management platform based on cloud computing, then establishing data connection between each field data acquisition terminal and the dispatching management platform through a communication network, and finally, respectively acquiring hardware identification numbers of each field data acquisition terminal by the dispatching management platform and distributing independent data communication addresses for each field data acquisition terminal;
s2, establishing a model, firstly collecting operation data of each power generation device, each energy storage system and each scheduling control system of each new energy station, inputting power generation operation state parameters of each power generation device into a scheduling management platform based on cloud computing, constructing a dynamic operation model of each power generation device by the scheduling management platform according to the received data, simultaneously monitoring and collecting power factor parameters of each new energy station when the scheduling control system operates, independently counting and storing the power factors, and then supplementing rated operation parameters of each power generation device and each energy storage system into the dynamic operation model; meanwhile, each scheduling management platform based on cloud computing obtains power supply parameters of a power supply grid side through a communication network, generates a power supply demand dynamic model, and finally, the scheduling management platform continuously operates for a period of time according to the generated dynamic operation model to obtain prejudgment logic of the operation states of each power generation device, the energy storage system and the scheduling control system of each new energy station;
s3, scheduling operation, wherein in the operation of the step S2, firstly, according to the operation data of each power generation device, each energy storage system and each scheduling control system of each new energy station, the collected data are simultaneously brought into a corresponding dynamic operation model, and the operation state of each device and the power factor in the operation of the current new energy station are monitored in real time; meanwhile, the collected data are brought into a prejudging logic of the running state in the step S2, the running state, the generating capacity and the fault rate of each power generation device, the energy storage system and the scheduling control system of each new energy station are prejudged within 24-36 hours in the future, and meanwhile, the power factor fluctuation is prejudged; finally, combining power supply parameters of a power supply grid side, judging the current power supply capacity and power factor of each new energy station, and comparing the current power supply capacity and power factor with the power supply grid parameters, so as to obtain operation scheduling control parameters of each new energy station;
and S4, data scheduling, namely scheduling and controlling the power generation operation of each new energy station by combining the result of pre-judging the running state, the power generation amount and the failure rate of each new energy station in the step S3 on the basis of the running scheduling control parameters of each new energy station obtained in the step S3, and adjusting and setting the running power factor of the new energy station according to the actual power generation capacity of the new energy station after scheduling and adjusting at the same time, thereby completing the scheduling and management requirements of the new energy station.
The key description is that the field data acquisition terminal comprises a power distribution cabinet 1, a bearing keel 2, an insulating cushion block 3, a guide sliding rail 4, a bearing tray 5, a partition board 6, a driving circuit 7, a data acquisition circuit 8, a wiring terminal 9 and a wiring row 10, wherein the power distribution cabinet 1 is a box body structure with a rectangular axial section, the bearing keel 2 is embedded in the power distribution cabinet 1 and is coaxially distributed with the power distribution cabinet 1 and is in sliding connection with the inner side surface of the power distribution cabinet 1 through the guide sliding rail 4, meanwhile, the bearing keel 2 is a frame structure coaxially distributed with the power distribution cabinet 1, the lower end surface of the bearing keel is propped against the bottom of the power distribution cabinet 1, the distance between the upper end surface of the bearing keel and the upper end surface of the power distribution cabinet 1 is 10% -20% of the height of the power distribution cabinet 1, the top of the bearing keel 2 is connected with the partition board 6 through the insulating cushion block 3, the partition board 6 is coaxially distributed with the power distribution cabinet 1 and divides the power distribution cabinet 1 into a control cavity 101 and a detection cavity 102 from top to bottom, the data acquisition circuit 8 is positioned in the bearing keel 2 and is connected with the bearing keel 2 through the bearing trays 5, at least two adjacent bearing trays 5 are isolated through the partition boards 6, the bearing trays 5 are electrically connected with the data acquisition circuit 8 through the insulating cushion blocks 3, at least one wiring terminal 9 is arranged at the bottom of the power distribution cabinet 1 corresponding to the data acquisition circuit 8, at least one wiring bar 10 is arranged on the partition boards 6 corresponding to the top position of the bearing keel 2, the data acquisition circuit 8 is electrically connected with each power generation equipment, an independent energy storage system and a new energy station dispatching control system of each new energy station through the wiring terminals 9, the data acquisition circuit 8 is electrically connected with the driving circuit 7 through the wiring bars 10, the driving circuit 7 is embedded in the control cavity 101, and at least one wiring terminal 9 is arranged on the side wall of the power distribution cabinet 1 corresponding to the driving circuit 7, and connection is established between the wiring terminal 9 and a dispatching management platform based on cloud computing.
In this embodiment, the bearing keel 2 includes a frame 21, an elastic insulating cushion 22, heat exchange tubes 23, a drainage fan 24, a semiconductor refrigeration mechanism 25, a heat dissipation fan 26, an insulating sliding block 27, and a guiding sliding rail 4, wherein the lower end surface of the frame 21 is connected with at least four elastic insulating cushion 22, and is connected with the bottom of the power distribution cabinet 1 through the elastic insulating cushion 22, an isolation gap with a height of at least 5 cm is provided between the frame 21 and the bottom of the power distribution cabinet 1, a plurality of guiding sliding rails 4 are provided in the frame 21, the guiding sliding rail 4 in the frame 21 is vertically distributed with the axis of the frame 21 and symmetrically distributed on two sides of the axis of the frame 21, two guiding sliding rails 4 in the same bearing group are respectively connected with the same bearing tray 5 in a sliding manner through at least two insulating sliding blocks 27, the face of the bearing tray 5 is in an included angle of 30 ° to 90 ° with the axis of the frame 21, two ends of each heat exchange tube 23 are all communicated through the drainage fan 24, and form a closed circulation pipeline, and meanwhile, two guiding sliding rails 4 in the frame 21 are located on the outer side surfaces of the same side surface of the frame 21 are located on the same side surface of the same plane of the frame 23, and are connected with the heat exchange tubes 25, and the heat dissipation fan 25 is connected with the semiconductor refrigeration mechanism 25, and the semiconductor refrigeration mechanism is connected with the heat dissipation fan 25, and the semiconductor refrigeration mechanism 25 is connected with the heat dissipation fan 25 simultaneously, and the semiconductor refrigeration mechanism 25 is connected with the outer side 25.
Specifically stated, the cooling section of the semiconductor cooling mechanism 25 is connected with the heat exchange tube 23 through the heat exchange sleeves 11, the length of each heat exchange sleeve 11 is 5% -20% of the length of the heat exchange tube 23, the heat exchange sleeves 11 comprise heat exchange blocks 111 and elastic hoops 112, the heat exchange blocks 111 are of a U-shaped groove-shaped structure in cross section, the lower end face of each heat exchange block 111 is connected with the outer side face of the frame 21, at the same time, at least one containing groove 113 is formed in the lower end face of each heat exchange block 111, the heat exchange tubes 23 are wrapped outside the heat exchange tube 23 through the containing groove 113, the heat exchange tubes 23 are connected with the containing groove 113 through at least two elastic hoops 112, the semiconductor cooling mechanism 25 is embedded in the groove body of each heat exchange block 111, the cooling end of each heat exchange block 111 is connected with the groove bottom of the heat exchange block 111, meanwhile, the upper end face of each heat exchange block 111 is connected with the heat dissipation fan 24, and the heat dissipation fan 24 is wrapped outside the upper end face of each heat exchange block 111.
In this embodiment, the carrying tray 5 is in a groove-shaped structure with an H-shaped cross section, and the bottoms of the carrying trays 5 are all grid plate structures, wherein the data acquisition circuit 8 is embedded in the groove body of the upper end face of the carrying tray 5, and the wires connected between the data acquisition circuit 8 and the wiring terminals 9 and the wiring rows 10 are all located in the groove body of the lower end face of the carrying tray 5 and are connected with the groove body of the lower end face of the carrying tray 5 through the wiring grooves 12.
In this embodiment, the data acquisition circuit 5 includes any one or more of a voltage detection circuit, a current detection circuit, an overload detection circuit, a short circuit detection circuit, a phase failure detection circuit, a waveform detection circuit, a temperature detection circuit, and a rotation speed detection circuit.
Further, the driving circuit 7 is a circuit system based on any one of a programmable controller and an FPGA chip,
meanwhile, the communication network adopts the Internet of things, wherein the communication network is provided with at least one distributed data storage system, and the distributed data storage system is provided with an independent data storage device at each site data acquisition terminal.
The invention has high integration and modularization degree, strong system expansion capability and good universality, can effectively meet the requirement of supporting operation of various new energy station systems such as wind energy, light energy and the like, can effectively realize the bidirectional matching of the actual operation state and the power factor parameters of the new energy station and the actual power supply requirement of the power grid, can timely discover the power generation operation fault of the new energy station and flexibly adjust the power generation efficiency of each power generation device, and can effectively adjust the actual working efficiency of the new energy station according to the actual power supply requirement of the power grid, thereby effectively improving the stability and the reliability of the power generation and power supply operation efficiency of the new energy station.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A new energy station automatic voltage reactive power control dual regulation method is characterized in that: the automatic voltage reactive power control dual regulation method for the new energy station comprises the following steps:
s1, system assembly, namely, firstly, setting field data acquisition terminals at each power generation equipment, an independent energy storage system and a new energy station dispatching control system of each new energy station respectively, constructing a dispatching management platform based on cloud computing, then establishing data connection between each field data acquisition terminal and the dispatching management platform through a communication network, and finally, respectively acquiring hardware identification numbers of each field data acquisition terminal by the dispatching management platform and distributing independent data communication addresses for each field data acquisition terminal;
s2, establishing a model, firstly collecting operation data of each power generation device, each energy storage system and each scheduling control system of each new energy station, inputting power generation operation state parameters of each power generation device into a scheduling management platform based on cloud computing, constructing a dynamic operation model of each power generation device by the scheduling management platform according to the received data, simultaneously monitoring and collecting power factor parameters of each new energy station when the scheduling control system operates, independently counting and storing the power factors, and then supplementing rated operation parameters of each power generation device and each energy storage system into the dynamic operation model; meanwhile, each scheduling management platform based on cloud computing obtains power supply parameters of a power supply grid side through a communication network, generates a power supply demand dynamic model, and finally, the scheduling management platform continuously operates for a period of time according to the generated dynamic operation model to obtain prejudgment logic of the operation states of each power generation device, the energy storage system and the scheduling control system of each new energy station;
s3, scheduling operation, wherein in the operation of the step S2, firstly, according to the operation data of each power generation device, each energy storage system and each scheduling control system of each new energy station, the collected data are simultaneously brought into a corresponding dynamic operation model, and the operation state of each device and the power factor in the operation of the current new energy station are monitored in real time; meanwhile, the collected data are brought into a prejudging logic of the running state in the step S2, the running state, the generating capacity and the fault rate of each power generation device, the energy storage system and the scheduling control system of each new energy station are prejudged within 24-36 hours in the future, and meanwhile, the power factor fluctuation is prejudged; finally, combining power supply parameters of a power supply grid side, judging the current power supply capacity and power factor of each new energy station, and comparing the current power supply capacity and power factor with the power supply grid parameters, so as to obtain operation scheduling control parameters of each new energy station;
and S4, data scheduling, namely scheduling and controlling the power generation operation of each new energy station by combining the result of pre-judging the running state, the power generation amount and the failure rate of each new energy station in the step S3 on the basis of the running scheduling control parameters of each new energy station obtained in the step S3, and adjusting and setting the running power factor of the new energy station according to the actual power generation capacity of the new energy station after scheduling and adjusting at the same time, thereby completing the scheduling and management requirements of the new energy station.
2. The automatic voltage reactive control dual regulation method for the new energy station according to claim 1, wherein the method comprises the following steps: the on-site data acquisition terminal comprises a power distribution cabinet, bearing keels, insulating cushion blocks, guide sliding rails, bearing trays, partition plates, driving circuits, data acquisition circuits, wiring terminals and wiring bars, wherein the power distribution cabinet is of a box structure with a rectangular axial section, the bearing keels are embedded in the power distribution cabinet and are coaxially distributed with the power distribution cabinet and are in sliding connection with the inner side surfaces of the power distribution cabinet through the guide sliding rails, meanwhile, the bearing keels are of a frame structure coaxially distributed with the power distribution cabinet, the lower end surfaces of the bearing keels are propped against the bottoms of the power distribution cabinet, the tops of the bearing keels are connected with the partition plates through the insulating cushion blocks, the partition plates are coaxially distributed with the power distribution cabinet and are divided into a control cavity and a detection cavity from top to bottom, the data acquisition circuits are located in the bearing keels and are connected with the bearing keels through the bearing trays, at least two adjacent bearing trays are isolated through the partition plates, the bearing trays are electrically connected with the data acquisition circuits through the insulating cushion blocks, at least one wiring terminal is arranged at the bottoms of the corresponding power distribution cabinet, the corresponding bearing keels are arranged at least one wiring bar, the partition plates at the top positions of the corresponding bearing keels are arranged on the top of the power distribution cabinet through the wiring terminals, the wiring boards are connected with the power distribution cabinet through the dispatching and the corresponding to the power generation control circuit, and are connected with the power distribution station, and are connected with a new-type power station, and can be connected with a control station, and a base station, and a control station is connected with a control station.
3. The automatic voltage reactive control dual regulation method for the new energy station according to claim 2, wherein the method is characterized in that: the bearing keel comprises a frame, elastic insulating cushion blocks, heat exchange tubes, a drainage fan, a semiconductor refrigerating mechanism, a heat dissipation fan, insulating sliding blocks and guide sliding rails, wherein the lower end face of the frame is connected with at least four elastic insulating cushion blocks and connected with the bottom of a power distribution cabinet through the elastic insulating cushion blocks, a plurality of guide sliding rails are arranged in the frame, the guide sliding rails in the frame are vertically distributed with the axis of the frame and symmetrically distributed on two sides of the axis of the frame, two guide sliding rails in the same bearing group form a bearing group, the two guide sliding rails in the same bearing group are respectively connected with the same bearing tray in a sliding manner through at least two insulating sliding blocks, at least two heat exchange tubes are arranged on the outer side face of the frame, the two ends of each heat exchange tube are communicated through the drainage fan and form a closed circulation pipeline, each heat exchange tube on the same outer side face of the frame is connected with the refrigerating ends of 1-4 semiconductor refrigerating mechanisms, the heat dissipation ends of the semiconductor refrigerating mechanisms are located outside the power distribution cabinet, the heat dissipation ends of the semiconductor refrigerating mechanisms are connected with one fan, and the heat exchange tubes are electrically connected with a driving circuit through wiring bars.
4. The automatic voltage reactive control dual regulation method of the new energy station according to claim 3, wherein the method comprises the following steps: the semiconductor refrigeration mechanism is characterized in that the refrigeration section of the semiconductor refrigeration mechanism is connected with the heat exchange tube through a heat exchange sleeve, the heat exchange sleeve comprises a heat exchange block and an elastic clamp, the lower end face of the heat exchange block is connected with the outer side face of the frame, at least one storage groove is formed in the lower end face of the heat exchange block, the heat exchange tube is coated outside the heat exchange tube through the storage groove, the heat exchange tube is uniformly coated in each storage groove, the heat exchange tube is connected with the storage groove through at least two elastic clamps, the semiconductor refrigeration mechanism is embedded in the groove body of the heat exchange block, the refrigeration end of the semiconductor refrigeration mechanism is connected with the groove bottom of the heat exchange block, the upper end face of the heat exchange block is connected with a heat dissipation fan, and the heat dissipation fan is coated outside the upper end face of the heat exchange block.
5. The automatic voltage reactive control dual regulation method for the new energy station according to claim 2, wherein the method is characterized in that: the bearing tray is of a groove-shaped structure with an H-shaped cross section, the bottoms of all the bearing tray grooves are of a grid plate structure, the data acquisition circuit is embedded in the groove body of the upper end face of the bearing tray, and the data acquisition circuit, the wiring terminals and the wires connected between the wiring rows are all located in the groove body of the lower end face of the bearing tray and are connected with the groove body of the lower end face of the bearing tray through wiring grooves.
6. The automatic voltage reactive control dual regulation method for the new energy station according to claim 2, wherein the method is characterized in that: the data acquisition circuit comprises any one or more of a voltage detection circuit, a current detection circuit, an overload detection circuit, a short circuit detection circuit, a phase failure detection circuit, a waveform detection circuit, a temperature detection circuit and a rotation speed detection circuit.
7. The automatic voltage reactive control dual regulation method for the new energy station according to claim 2, wherein the method is characterized in that: the driving circuit is a circuit system based on any one of a programmable controller and an FPGA chip.
8. The automatic voltage reactive power control dual regulation method of the new energy station according to claim 1, wherein the method is characterized in that: the communication network adopts the Internet of things, wherein the communication network is provided with at least one distributed data storage system, and the distributed data storage system is provided with an independent data storage device at each site data acquisition terminal.
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