CN204597481U - A kind of Harmonic-wave compensation system - Google Patents
A kind of Harmonic-wave compensation system Download PDFInfo
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- CN204597481U CN204597481U CN201520340299.5U CN201520340299U CN204597481U CN 204597481 U CN204597481 U CN 204597481U CN 201520340299 U CN201520340299 U CN 201520340299U CN 204597481 U CN204597481 U CN 204597481U
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- current sensor
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- signal conditioning
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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
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a kind of Harmonic-wave compensation system, comprise controller, inverter, wireless LED driver module, current sensor A, signal conditioning circuit and zero cross detection circuit, controller connects zero cross detection circuit, memory module, signal conditioning circuit and inverter respectively, signal conditioning circuit also connects voltage sensor, current sensor A and current sensor B, and voltage sensor also connects storage capacitor.The utility model system does not have the restriction of electric wire, LED can accept to install arbitrarily in scope at wireless power, and can filtering appts running in high order current harmonics, reduce the total harmonic distortion of power transmission network, the utility model can be applied in household, vehicle-mounted, scene or view LED illumination, effectively improves the flexibility of illumination profile, saves energy and reduce light pollution, and improve the quality of power supply, have a wide range of applications.
Description
Technical field
The utility model relates to a kind of bucking-out system, specifically a kind of Harmonic-wave compensation system.
Background technology
LED light source develops nearly ten years and reaches the different degree of crescent, be applied to the terminal markets such as automobile, building, medical treatment, Landscape Lighting very soon, LED, illumination become more more reliable and efficient than traditional lighting, commercially also more and more universal, but LED installs and uses the constraint being subject to power transmission line and laying, and have impact on the flexibility of its use occasion; Simultaneously, due to the existence of the nonlinear device such as high frequency transformer, power switch pipe of the drive source of LED own, the harmonic current introduced in electrical network can be caused to increase, affect grid supply quality, and at present rarely have the system report considered to reduce wireless power simultaneously and bring the wireless LED illumination of harmonic effects etc. to electrical network complete.
Utility model content
The purpose of this utility model is to provide a kind of Harmonic-wave compensation system improving the quality of power supply, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of Harmonic-wave compensation system, comprise controller, inverter, wireless LED driver module, current sensor A, signal conditioning circuit and zero cross detection circuit, described controller connects zero cross detection circuit respectively, memory module, signal conditioning circuit and inverter, signal conditioning circuit also connects voltage sensor, current sensor A and current sensor B, voltage sensor also connects storage capacitor, described inverter also connects storage capacitor and current sensor B respectively, current sensor B also connects electrical network, electrical network also connects zero cross detection circuit and current sensor A respectively, current sensor A also connects wireless LED driver module.
As further program of the utility model: described controller adopts TMS320F2812.
As further program of the utility model: described signal conditioning circuit comprises amplifying circuit, rectification circuit and frequency overlapped-resistable filter circuit.
As the utility model further scheme: described voltage sensor is Hall voltage transducer.
Compared with prior art, the beneficial effects of the utility model are: the utility model system does not have the restriction of electric wire, LED can accept to install arbitrarily in scope at wireless power, and can high order current harmonics in filtering appts running, reduce the total harmonic distortion of power transmission network, the utility model can be applied in household, vehicle-mounted, scene or view LED illumination, effectively improve the flexibility of illumination profile, saves energy and reduction light pollution, and improve the quality of power supply, have a wide range of applications.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of Harmonic-wave compensation system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of Harmonic-wave compensation system, comprise controller, inverter, wireless LED driver module, current sensor A, signal conditioning circuit and zero cross detection circuit, controller connects zero cross detection circuit respectively, memory module, signal conditioning circuit and inverter, signal conditioning circuit also connects voltage sensor, current sensor A and current sensor B, voltage sensor also connects storage capacitor, inverter also connects storage capacitor and current sensor B respectively, current sensor B also connects electrical network, electrical network also connects zero cross detection circuit and current sensor A respectively, current sensor A also connects wireless LED driver module.
Controller adopts TMS320F2812.
Signal conditioning circuit comprises amplifying circuit, rectification circuit and frequency overlapped-resistable filter circuit.
Voltage sensor is Hall voltage transducer.
Operation principle of the present utility model is: refer to Fig. 1, the digital signal processor of MS320F2812 model is as controller, modulate circuit comprises amplifying circuit, rectification circuit and frequency overlapped-resistable filter circuit, current sensor A sampling load end three-phase current, harmonic current extraction algorithm and control algolithm process is done sent into the A/D collection of controller via controller inside by signal conditioning circuit after, and drive inverter to do corresponding counteracting to harmonic current, feedback regulation is done with the offset current that current sensor B sampling exports, inverter DC bus-bar voltage gathers through the A/D of Hall voltage sensor transformation supply controller inside, control its DC capacitor voltage to stablize, the zero crossing of the three-phase voltage signal that electrical network produces after zero cross detection circuit is as zero cross fired signal, as each periodic software process clearing and initial signal.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1. a Harmonic-wave compensation system, comprise controller, inverter, wireless LED driver module, current sensor A, signal conditioning circuit and zero cross detection circuit, it is characterized in that, described controller connects zero cross detection circuit respectively, memory module, signal conditioning circuit and inverter, signal conditioning circuit also connects voltage sensor, current sensor A and current sensor B, voltage sensor also connects storage capacitor, described inverter also connects storage capacitor and current sensor B respectively, current sensor B also connects electrical network, electrical network also connects zero cross detection circuit and current sensor A respectively, current sensor A also connects wireless LED driver module.
2. Harmonic-wave compensation system according to claim 1, is characterized in that, described controller adopts TMS320F2812.
3. Harmonic-wave compensation system according to claim 1, is characterized in that, described signal conditioning circuit comprises amplifying circuit, rectification circuit and frequency overlapped-resistable filter circuit.
4. Harmonic-wave compensation system according to claim 1, is characterized in that, described voltage sensor is Hall voltage transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520340299.5U CN204597481U (en) | 2015-05-22 | 2015-05-22 | A kind of Harmonic-wave compensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520340299.5U CN204597481U (en) | 2015-05-22 | 2015-05-22 | A kind of Harmonic-wave compensation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204597481U true CN204597481U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520340299.5U Expired - Fee Related CN204597481U (en) | 2015-05-22 | 2015-05-22 | A kind of Harmonic-wave compensation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204597481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552933A (en) * | 2016-02-19 | 2016-05-04 | 国家电网公司 | Electricity grid power compensation control device |
| CN113872209A (en) * | 2021-11-05 | 2021-12-31 | 湖州师范学院 | Single-phase photovoltaic grid-connected control method for eliminating direct-current bus voltage sampling ripple |
-
2015
- 2015-05-22 CN CN201520340299.5U patent/CN204597481U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552933A (en) * | 2016-02-19 | 2016-05-04 | 国家电网公司 | Electricity grid power compensation control device |
| CN113872209A (en) * | 2021-11-05 | 2021-12-31 | 湖州师范学院 | Single-phase photovoltaic grid-connected control method for eliminating direct-current bus voltage sampling ripple |
| CN113872209B (en) * | 2021-11-05 | 2023-08-15 | 湖州师范学院 | Single-phase photovoltaic grid-connected control method for eliminating DC bus voltage sampling ripple |
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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: 20150826 Termination date: 20160522 |