CN205791532U - Self adaptation reactive-load compensation active filter based on FPGA - Google Patents
Self adaptation reactive-load compensation active filter based on FPGA Download PDFInfo
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- CN205791532U CN205791532U CN201620489270.8U CN201620489270U CN205791532U CN 205791532 U CN205791532 U CN 205791532U CN 201620489270 U CN201620489270 U CN 201620489270U CN 205791532 U CN205791532 U CN 205791532U
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- Prior art keywords
- fpga
- active filter
- load compensation
- reactive
- self adaptation
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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
- Y02E40/20—Active power filtering [APF]
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- Supply And Distribution Of Alternating Current (AREA)
- Power Conversion In General (AREA)
Abstract
This utility model provides a kind of self adaptation reactive-load compensation active filter based on FPGA, include source filter housing and the current transformer being located at outside housing, it is characterised in that: it is provided with signal adjustment circuit, IGBT power conversion modules, FPGA controller, display module, current acquisition module and output reactance device in active filter housing.Provide the benefit that: self adaptation reactive-load compensation active filter based on FPGA, reasonable in design, simple in construction, it is parallel in circuit be easy to actual application, can be according to real-time current acquisition testing harmonic compensation situation, realize self-adaptative adjustment and filter harmonic wave, the function of reactive-load compensation can be realized, it is ensured that the safe operation of electrical network simultaneously.
Description
Technical field
This utility model belongs to active filter technical field, especially relate to a kind of based on FPGA from
Adapt to reactive-load compensation active filter.
Background technology
In the middle of supply of electric power, due to the existence of various load, on the one hand the operation of load can produce
Various harmonic currents, can make electric current and voltage produce in various degree in harmonic current injection to electrical network
Distortion, the stability of electrical network and safety are produced impact, on the other hand the active power demand of load
During, also can produce the reactive power of perception or capacitive, add the complexity of electrical network, simultaneously
Also need to increase reactive-load compensation equipment, it is ensured that the stability of voltage in operation of power networks.Accordingly, it would be desirable to filtering
The harmonic wave of load current is filtered by device, also needs to the reactive power to electrical network simultaneously and carries out real-Time Compensation,
And then ensure the safety of supply of electric power.
Conventional wave filter has passive filter and active filter, and passive filter is frequently used for more letter
Single system, filters for fractional harmonic, and active power filtering range of application is wider, except passive filtering
The occasion of device application is beyond it can apply, and the highest at some system requirements, load variations is fast, and environment is more
Can also apply in the case of E Lie.In present Design of Active Filter, consider harmonic filtration and
During reactive-load compensation, it is impossible to realizing the self-adapting detecting to self-compensation situation effect, the space therefore adjusted only limits
It is adjusted in the change according to electrical network, not there is initiative.
Accordingly, it is considered to the problems referred to above, give full play to the supercomputing function of FPGA, it is achieved harmonic filtration
And the self-adaptative adjustment function of reactive-load compensation, inventor combine experience have developed a kind of based on
The self adaptation reactive-load compensation active filter of FPGA.
Summary of the invention
This utility model purpose is the deficiency existed for prior art, it is proposed that a kind of reasonable in design, humorous
The self adaptation based on FPGA that ripple filters efficiently, reactive-load compensation is stable, can realize Self Adaptive Control is idle
Compensate active filter.
The purpose of this utility model can be realized by following technical proposal:
Self adaptation reactive-load compensation active filter based on FPGA, this active filter is connected in parallel on electric lines of force
Lu Shang, includes source filter housing and is located at the current transformer outside described active filter housing,
It is characterized in that: in described active filter housing, be additionally provided with signal adjustment circuit, IGBT power conversion mould
Block, FPGA controller, display module, current acquisition module and output reactance device；
Wherein, described FPGA controller both sides connect described signal adjustment circuit and described IGBT respectively
Power conversion modules；Described IGBT power conversion modules is by described output reactance device with power circuit even
Connect；Described current acquisition module connects outfan and the signal adjustment circuit of described output reactance device.
Described IGBT power conversion modules includes IGBI drive circuit and IGBT power inverter；
Wherein, described IGBT drive circuit both sides connect described FPGA controller and described IGBI power respectively
Changer；Described IGBT power inverter opposite side connects described output reactance device.
It is provided with fpga chip inside described FPGA controller.
This utility model has the beneficial effect that self adaptation reactive-load compensation active power filtering based on FPGA
Device, reasonable in design, simple in construction, it is parallel in circuit be easy to actual application, can be according to real-time current
Acquisition testing harmonic compensation situation, it is achieved self-adaptative adjustment filters harmonic wave, can realize reactive-load compensation simultaneously
Function, it is ensured that the safe operation of electrical network.
Accompanying drawing explanation
Fig. 1 is this utility model: the structure of self adaptation reactive-load compensation active filter based on FPGA is shown
It is intended to；
Fig. 2 is this utility model: the structural representation of IGBT power conversion modules.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to the technical solution of the utility model
It is further described, but this utility model is not limited to these embodiments.
With reference to the self adaptation reactive-load compensation active filter 1 based on FPGA shown in Fig. 1, this active power filtering
Device 1 is connected in parallel on power circuit, includes source filter housing 2 and the electric current of being located at outside housing 2 is mutual
Sensor 3, it is characterised in that: it is additionally provided with in order to real-time reception power network current in described active filter housing 2
Signal and the signal adjustment circuit 4 of described active filter 1 compensating current signal, in order to produce and to load
The harmonic compensation current of harmonic current opposite in phase and carry out the reactive-load compensation electric current of reactive-load compensation
IGBT power conversion modules 5, in order to analyze load harmonic composition and reactive-load compensation size and to control described
The FPGA controller 6 of IGBT power conversion modules 5, in order to display harmonic filtration situation and nothing in real time
Merit compensate size display module 7, in order to active filter described in Real-time Collection 1 output harmonic compensation electricity
Stream and the current acquisition module 8 of reactive-load compensation electric current and in order to realize power circuit and IGBT power
The output reactance device 9 that conversion module 5 connects；
Wherein, described FPGA controller 6 both sides connect described signal adjustment circuit 4 and described IGBT respectively
Power conversion modules 5；Described IGBT power conversion modules 5 is by described output reactance device 9 and electric lines of force
Road connects；Described current acquisition module 8 connects the outfan of described output reactance device 9 and adjusts electricity with signal
Road 4.
With reference to the structural representation of IGBT power conversion modules 5 shown in Fig. 2, described IGBT power conversion
Module 5 includes IGBI drive circuit 51 and IGBT power inverter 52；Wherein, IGBT drives
Circuit 51 is connected with described FPGA controller 6, in order to receive the control that described FPGA controller 6 sends
Signal processed, and then the IGBI power inverter 52 described in driving；Described IGBT power inverter 52
Opposite side connects described output reactance device 9, in order to produce the electric current with load harmonic current opposite in phase in real time
And reactive-load compensation electric current.
Described FPGA controller 6 is internal is provided with fpga chip.
Of the present utility model ultimate principle and principal character and of the present utility model excellent have more than been shown and described
Point.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, above-mentioned
Principle of the present utility model is simply described, without departing from this utility model described in embodiment and description
On the premise of spirit and scope, this utility model also has various changes and modifications, these changes and improvements
In the range of both falling within claimed this utility model.This utility model claims scope by appended power
Profit claim and equivalent thereof define.
Claims (3)
1. self adaptation reactive-load compensation active filter based on FPGA, this active filter is connected in parallel on electric power
On circuit, include source filter housing and be located at the current transformer outside described active filter housing,
It is characterized in that: in described active filter housing, be additionally provided with signal adjustment circuit, IGBT power conversion
Module, FPGA controller, display module, current acquisition module and output reactance device；
Wherein, described FPGA controller both sides connect described signal adjustment circuit and described IGBT respectively
Power conversion modules；Described IGBT power conversion modules is by described output reactance device with power circuit even
Connect；Described current acquisition module connects outfan and the signal adjustment circuit of described output reactance device.
Self adaptation reactive-load compensation active filter based on FPGA the most according to claim 1, its
It is characterised by: described IGBT power conversion modules includes that IGBI drive circuit and IGBT power become
Parallel operation；
Wherein, described IGBT drive circuit both sides connect described FPGA controller and described IGBI respectively
Power inverter；Described IGBT power inverter opposite side connects described output reactance device.
Self adaptation reactive-load compensation active filter based on FPGA the most according to claim 1, its
It is characterised by: inside described FPGA controller, be provided with fpga chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620489270.8U CN205791532U (en) | 2016-05-26 | 2016-05-26 | Self adaptation reactive-load compensation active filter based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620489270.8U CN205791532U (en) | 2016-05-26 | 2016-05-26 | Self adaptation reactive-load compensation active filter based on FPGA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791532U true CN205791532U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620489270.8U Expired - Fee Related CN205791532U (en) | 2016-05-26 | 2016-05-26 | Self adaptation reactive-load compensation active filter based on FPGA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205791532U (en) |
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2016
- 2016-05-26 CN CN201620489270.8U patent/CN205791532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161207 Termination date: 20170526 |