CN207588467U - The frequency convertor system that a kind of distributed generation resource controllably accesses - Google Patents
The frequency convertor system that a kind of distributed generation resource controllably accesses Download PDFInfo
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- CN207588467U CN207588467U CN201721858995.0U CN201721858995U CN207588467U CN 207588467 U CN207588467 U CN 207588467U CN 201721858995 U CN201721858995 U CN 201721858995U CN 207588467 U CN207588467 U CN 207588467U
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- module
- inverter
- rectification circuit
- distributed generation
- generation resource
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Abstract
The utility model discloses the frequency convertor systems that a kind of distributed generation resource controllably accesses, the frequency convertor system includes MPPT modules, rectification circuit one, rectification circuit two, rectification circuit three, composite switching switch, direct-flow intermediate circuit, inverter, sampling module, central control module, energy storage device and radiator, it is characterised in that：The central control module includes central processing unit (CPU), detection module, energy storage controller, fling-cut switch control module, Inverter control module, power module and communication module.The beneficial effects of the utility model are：The frequency convertor system can easily control the access of distributed generation resource, give full play to the characteristic of each distributed generation resource, promote the consumption of regenerative resource, the use for scenes down converter systems such as remote districts, isolated island micro-capacitance sensors provides possibility, has a good application prospect.
Description
Technical field
The utility model is related to application of frequency converter fields, and in particular to the frequency converter system that a kind of distributed generation resource controllably accesses
System.
Background technology
Frequency converter is widely used as a kind of effective equipment for motor control in modern electrical machine control.Usually
Situation low-converter is directly accessed in AC network, by controls such as rectification, inversions, and then is controlled the start and stop of motor, is turned
Speed etc., and with the development of distributed generation resource, under the special screnes such as many remote districts, the foundation of isolated island micro-capacitance sensor, using change
The system that frequency device carries out motor control is rarely found.The access of distributed generation resource is for further dissolving regenerative resource, reductionization
The consumption of the stone energy is of great significance, at the same remote districts, desert region establish isolated island micro-capacitance sensor when, be similarly point
It is formed under cloth plant-grid connection.Therefore, under above-mentioned special scene, it is necessary to design a set of frequency convertor system, can control
The access of distributed generation resource processed rationally dissolves new energy, and is provided for the motor control under remote districts, isolated island micro-capacitance sensor scene
It may.
At present, the problem of converter technology applied controllably accesses not yet in view of distributed generation resource, in order to solve
The above problem, inventor have developed the frequency convertor system that a kind of distributed generation resource controllably accesses with reference to experience, provide
The composition and the method for operation of system.
Utility model content
The purpose of this utility model is to provide a kind of reasonable design, controlled one can be accessed to distributed generation resource
The frequency convertor system that kind distributed generation resource controllably accesses.
To achieve the above object, the utility model provides following technical solution：
The utility model provides firstly the frequency convertor system that a kind of distributed generation resource controllably accesses, the frequency convertor system packet
Include MPPT modules, rectification circuit one, rectification circuit two, rectification circuit three, composite switching switch, direct-flow intermediate circuit, inverter,
Sampling module, central control module, energy storage device and radiator, output terminal, the rectification circuit one of the MPPT modules
Output terminal, the output terminal of the rectification circuit two, the rectification circuit three output terminal with composite switching switch
Input terminal connects, and the composite switching switch, the direct-flow intermediate circuit, the inverter are sequentially connected with, the sampling module
Input terminal connect with the output terminal of the inverter, the output terminal of the sampling module connects the central control module, institute
The output terminal for stating central control module connects the composite switching switch, the energy storage device, the inverter respectively.
The central control module include for handle input information and export control information central processing unit (CPU),
For receive the voltage of sampling module sampling gained and current information detection module, for receiving the central processing
The energy storage device control information of device simultaneously controls the energy storage controller of the energy storage device, for receiving answering for the central processing unit
It closes fling-cut switch control information and controls the fling-cut switch control module of composite switching switch, for receiving the centre
Manage device inverter control information and control the inverter Inverter control module, for for the central processing unit power
Power module and communication module for receiving the wireless control signal that host computer is sent out.
The inverter uses T-shaped three-level inverter.
The energy storage device is compression air energy-storing apparatus.
The beneficial effects of the utility model are：The frequency convertor system can easily control the access of distributed generation resource, fully
The characteristic of each distributed generation resource is played, promotes the consumption of regenerative resource, is the scenes down coversions such as remote districts, isolated island micro-capacitance sensor
The use of device system provides possibility, has a good application prospect.
Description of the drawings
Fig. 1 is the utility model：A kind of block schematic illustration for the frequency convertor system that distributed generation resource controllably accesses.
Fig. 2 is the utility model：The structure diagram of central control module.
Fig. 3 is the utility model：The structure diagram of inverter.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
With reference to the frequency convertor system that a kind of distributed generation resource shown in FIG. 1 controllably accesses, which includes MPPT
Module 1, rectification circuit 1, rectification circuit 23, rectification circuit 34, composite switching switch 5, direct-flow intermediate circuit 6, inverter
7th, sampling module 8, central control module 9, energy storage device 10 and radiator 11, it is the output terminal of the MPPT modules 1, described
The output terminal of rectification circuit 1, the output terminal of the rectification circuit 23, the rectification circuit 34 output terminal with it is described multiple
The input terminal connection of fling-cut switch 5 is closed, the composite switching switch 5, the direct-flow intermediate circuit 6, the inverter 7 sequentially connect
It connects, the input terminal of the sampling module 8 is connect with the output terminal of the inverter 7, the output terminal connection institute of the sampling module 8
Central control module 9 is stated, the output terminal of the central control module 9 connects the composite switching switch 5, energy storage dress respectively
Put the 10, inverter 7.
Distributed generation resource in the present embodiment includes photovoltaic cell 12, diesel engine 13, gas turbine 14 and wind turbine
Group 15.Wherein, the input terminal of the MPPT modules 1 connects the photovoltaic cell 12, the input terminal connection of the rectification circuit 1
The diesel engine 13, the input terminal of the rectification circuit 23 connect the gas turbine 14, the input of the rectification circuit 34
End connects the Wind turbines 15.The output terminal of the inverter 7 is connect with the input terminal of motor 16, to convey three after inversion
Phase alternating current controls the motor 16 to operate.
Include handling input information and exporting in control information with reference to the central control module 9 shown in Fig. 2
Central processor (CPU) 91, for receive the detection module 92 of the voltage of the sampling module 8 sampling gained and current information,
For receive the energy storage device of the central processing unit 91 control information and control the energy storage device 10 energy storage controller 93,
For receiving the composite switching of the central processing unit 91 switch control information and the switching of the composite switching switch 5 being controlled to open
Close control module 94, for receiving the inverter control information of the central processing unit 91 and control the inversion of the inverter 7
Device control module 95 sends out for the power module 96 powered for the central processing unit 91 and for receiving host computer 17
Wireless control signal communication module 97.
With reference to shown in Fig. 3, the inverter 7 uses T-shaped three-level inverter, wherein, including being connected to after two series connection
One C1 of capacitance, two C2 of capacitance at DC voltage input point A, B both ends；IGBT module G is additionally provided in the inverter 7.Institute
State input direct-current voltage U between input terminal A, B of inverter 7, output three-phase alternating current a, b, c.
The energy storage device 10 is compression air energy-storing apparatus.
When the frequency convertor system works, the host computer 17 can according to distributed generation resource can working condition, send out distribution
The control signal of formula plant-grid connection after the communication module 97 of the central control module 9 receives information, is transferred to described
Central processing unit 91, the central processing unit 91 control 5 switching of composite switching switch to access selected distributed generation resource,
Selectable distributed generation resource includes photovoltaic cell 12, diesel engine 13, gas turbine 14 and Wind turbines 15.At described point
During cloth electric power abundance, the energy storage device 10 carries out energy stores under the control of the central control module 9；When
During the distributed generation resource electric power deficiency, the host computer 17 can control the storage of the central control module 9 by sending out signal
Energy controller 93, further controls the energy storage device 10 to send out electric energy, supplies the motor 16 and run well.The frequency converter system
System can also detect output voltage and current information in real time by the sampling module 8, can stop when short trouble occurs
Only electric power input protects the motor 16.
The frequency convertor system can easily control the access of distributed generation resource, give full play to the characteristic of each distributed generation resource,
Promoting the consumption of regenerative resource, the use for scenes down converter systems such as remote districts, isolated island micro-capacitance sensors provides possibility,
It has a good application prospect.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (3)
1. the frequency convertor system that a kind of distributed generation resource controllably accesses, the frequency convertor system include MPPT modules, rectification circuit one,
Rectification circuit two, rectification circuit three, composite switching switch, direct-flow intermediate circuit, inverter, sampling module, central control module,
Energy storage device and radiator, it is characterised in that：The output terminal of the MPPT modules, the output terminal of the rectification circuit one, institute
State the output terminal of rectification circuit two, the input terminal that the output terminal of the rectification circuit three is switched with the composite switching is connect,
The composite switching switch, the direct-flow intermediate circuit, the inverter are sequentially connected with, the input terminal of the sampling module and institute
The output terminal connection of inverter is stated, the output terminal of the sampling module connects the central control module, the center control mould
The output terminal of block connects the composite switching switch, the energy storage device and the inverter respectively；
Wherein, the central control module include for handle input information and export control information central processing unit (CPU),
For receive the voltage of sampling module sampling gained and current information detection module, for receiving the central processing
The energy storage device control information of device simultaneously controls the energy storage controller of the energy storage device, for receiving answering for the central processing unit
It closes fling-cut switch control information and controls the fling-cut switch control module of composite switching switch, for receiving the centre
Manage device inverter control information and control the inverter Inverter control module, for for the central processing unit power
Power module and communication module for receiving the wireless control signal that host computer is sent out.
2. the frequency convertor system that a kind of distributed generation resource according to claim 1 controllably accesses, it is characterised in that：It is described inverse
Become device and use T-shaped three-level inverter.
3. the frequency convertor system that a kind of distributed generation resource according to claim 1 controllably accesses, it is characterised in that：The storage
Energy device is compression air energy-storing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858995.0U CN207588467U (en) | 2017-12-27 | 2017-12-27 | The frequency convertor system that a kind of distributed generation resource controllably accesses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858995.0U CN207588467U (en) | 2017-12-27 | 2017-12-27 | The frequency convertor system that a kind of distributed generation resource controllably accesses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588467U true CN207588467U (en) | 2018-07-06 |
Family
ID=62740425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721858995.0U Expired - Fee Related CN207588467U (en) | 2017-12-27 | 2017-12-27 | The frequency convertor system that a kind of distributed generation resource controllably accesses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588467U (en) |
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2017
- 2017-12-27 CN CN201721858995.0U patent/CN207588467U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201227 |