CN104104084A - Dual-core processor based active power filter controller - Google Patents
Dual-core processor based active power filter controller Download PDFInfo
- Publication number
- CN104104084A CN104104084A CN201410340607.4A CN201410340607A CN104104084A CN 104104084 A CN104104084 A CN 104104084A CN 201410340607 A CN201410340607 A CN 201410340607A CN 104104084 A CN104104084 A CN 104104084A
- Authority
- CN
- China
- Prior art keywords
- module
- dual
- core
- core processor
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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]
Abstract
The invention discloses a dual-core processor based active power filter controller. The dual-core processor based active power filter controller comprises a data acquisition module, a central processing unit, an optical fiber driving module, a human-computer interface and an I/O (Input/Output) interface circuit; an input end of the optical fiber driving module is connected with the central processing unit; the I/O interface circuit is connected with the human-computer interface and the central processing unit; the central processing unit comprises a DSP (Digital Signal Processor) core and an ARM (Advanced RISC Machines) core; the DSP core is used for supporting high-intensity real-time processing calculation; the ARM is used for being responsible for non-real-time tasks. The dual-core processor based active power filter controller has the advantages of being simple in structure, achieving complex harmonic detection algorithm, real-time control and communication and improving the compensation precision of the active power filter controller.
Description
Technical field
The invention belongs to electric energy quality harmonic and administer field, relate to a kind of filter, specifically a kind of active electric power filtering controller based on dual core processor.
Background technology
Along with various RHVC non-linear in electrical network and time variation load, the load capacities such as rectifier constantly increase, the switch motion of power electronic equipment has been injected a large amount of harmonic waves and order harmonic components in electrical network, cause the supply network quality of power supply to cause serious pollution, a large amount of harmonic waves and reactive current are injected electric power system, cause system effectiveness step-down, power factor variation, and other equipment and device are produced to disturbance, the quality of power supply of serious threat electrical network and the safe operation of power equipment, and supplier of electricity and power system device, user and electrical appliance thereof are more and more higher to the requirement of the quality of power supply, this contradiction is more paid attention to harmonic pollution problem.How to suppress mains by harmonics, improve the quality of power supply and become the focus of Recent study, Active Power Filter-APF (APF), with its good volume dynamic responding speed and compensation characteristic, has all obtained extensive attention in the research aspect theoretical and practical application.
Active power filtering requires real realization without the Continuous Compensation of extreme difference and dynamically tracking compensation, fast response time, the time delay of current detecting and current tracking control directly has influence on the compensation performance of APF, in order to improve the compensation performance of Active Power Filter-APF, at present large multi-scheme adopts the scheme of DSP+FPGA or two DSP, this scheme hardware separation element is many, processing speed is slow, thereby affects reliability and the performance of active filter.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of active electric power filtering controller based on dual core processor is provided, product structure of the present invention is simple, can realize complicated Harmonic Detecting Algorithm, control and communication in real time, improve the compensation precision of Active Power Filter-APF.
In order to solve above technical problem, the invention provides a kind of active electric power filtering controller based on dual core processor, comprise data acquisition module, CPU, optical fiber driver module, man-machine interface and I/O interface circuit, the input of optical fiber driver module connects CPU, and I/O interface circuit is connected with CPU with man-machine interface;
Aforementioned CPU comprises DSP core and ARM core, and DSP kernel is used for supporting high-intensity real-time processing to calculate, and ARM is for being responsible for un-real time job;
Aforementioned DSP core comprises harmonic current detection module, DC voltage-stabilizing control module, current tracking control module and pwm pulse generation module, harmonic current detection module is connected current tracking control module with DC voltage-stabilizing control module, current tracking control module connects pwm pulse generation module, DSP kernel is responsible for harmonic current detection, DC voltage voltage stabilizing control, current tracking control and is produced pwm pulse, ensures the ageing and reliability of control algolithm;
Aforementioned ARM core comprises protection and fault-tolerant module and communication module; described protection is connected respectively I/O interface circuit and communication module with fault-tolerant module; described communication module connects man-machine interface, and described ARM kernel is responsible for APF to carry out monitoring and protection fault-tolerant processing and communication function.
The technical scheme that the present invention further limits is:
Aforementioned data acquisition module comprises signal conditioning circuit and A/D conversion chip, and signal conditioning circuit and A/D conversion chip are for being transformed into the current analog signal of the voltage of the three-phase current of the three-phase voltage of electrical network, load, DC side and APF the digital signal of DSP identification.
The model of aforementioned A/D conversion chip is AD7938; The model of CPU is OMAP-L138, adopts the dual-core architecture of C6748 DSP kernel and ARM9 kernel, and unit core frequency is 300MHz; In CPU, use eCAP trapping module to realize phase-locked to line voltage; In CPU, utilize enhancement mode high-resolution eHRPWM module to produce driving pulse.
The present invention can adopt existing module or device as corresponding units completely, is connected and can realizes technique scheme together, therefore practical.
The invention has the beneficial effects as follows:
CPU adopts the dual-core architecture of DSP kernel and ARM kernel, can realize the unit core frequency up to 300 MHz, makes full use of DSP kernel and supports high-intensity real-time processing to calculate, and allows ARM be responsible for un-real time job simultaneously.Wherein, DSP kernel is responsible for harmonic current detection, DC voltage voltage stabilizing control, current tracking control and is produced pwm pulse, ensures the ageing and reliability of control algolithm, and ARM kernel core is responsible for APF to carry out monitoring and protection fault-tolerant processing and communication function.
Whether its ARM kernel is responsible for supervisory control device and filter in normal operating condition, in the time finding that there is source filter and occur overcurrent, overvoltage or power cell excess temperature, sends locking signal or sends trip signal to circuit breaker to power cell; While ARM core is responsible for realization and man-machine interface and backstage and is carried out communication and data management.
Described data sampling module, comprises signal conditioning circuit and A/D conversion chip, is responsible for the current analog signal of the voltage of the three-phase current of the three-phase voltage of electrical network, load, DC side and APF to be transformed into the digital signal of DSP identification.
Described dual core processor, its DSP core is responsible for the computing of the voltage collecting, current information that harmonic current is separated from complicated electric current, produce instruction current, and follow the tracks of control according to the error that instruction current and APF output current relatively produce, form the pulse signal that drives main circuit inverter switching device, DSP examines the voltage stabilization of existing control inverter DC side simultaneously.
This controller hardware is simple in structure, can realize complicated Harmonic Detecting Algorithm, control and communication in real time, has improved the compensation precision of Active Power Filter-APF.
Brief description of the drawings
Fig. 1 is structure principle chart of the present invention;
Fig. 2 is the inner schematic diagram of central processing unit of the present invention.
Embodiment
embodiment 1
The present embodiment provides a kind of active electric power filtering controller based on dual core processor, structure as shown in Figure 1 and Figure 2, comprise data acquisition module, CPU, FTLF1321 optical fiber driver module, man-machine interface and I/O interface circuit, the input of FTLF1321 optical fiber driver module connects CPU, and I/O interface circuit is connected with CPU with man-machine interface;
CPU comprises DSP core and ARM core, and DSP kernel is used for supporting high-intensity real-time processing to calculate, and ARM is for being responsible for un-real time job; DSP core comprises harmonic current detection module, DC voltage-stabilizing control module, current tracking control module and pwm pulse generation module, harmonic current detection module is connected current tracking control module with DC voltage-stabilizing control module, current tracking control module connects pwm pulse generation module, DSP kernel is responsible for harmonic current detection, DC voltage voltage stabilizing control, current tracking control and is produced pwm pulse, ensures the ageing and reliability of control algolithm; ARM core comprises protection and fault-tolerant module and communication module; described protection is connected respectively I/O interface circuit and communication module with fault-tolerant module; described communication module connects man-machine interface, and described ARM kernel is responsible for APF to carry out monitoring and protection fault-tolerant processing and communication function.
Wherein, data acquisition module comprises signal conditioning circuit and A/D conversion chip, and signal conditioning circuit and A/D conversion chip are for being transformed into the current analog signal of the voltage of the three-phase current of the three-phase voltage of electrical network, load, DC side and APF the digital signal of DSP identification; The model of A/D conversion chip is AD7938; The model of CPU is OMAP-L138, adopts the dual-core architecture of C6748 DSP kernel and ARM9 kernel, and unit core frequency is 300MHz; In CPU, use eCAP trapping module to realize phase-locked to line voltage; In CPU, utilize enhancement mode high-resolution eHRPWM module to produce driving pulse.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection range of the present invention.
Claims (6)
1. the active electric power filtering controller based on dual core processor, comprise data acquisition module, CPU, optical fiber driver module, man-machine interface and I/O interface circuit, it is characterized in that, the input of described optical fiber driver module connects CPU, and described I/O interface circuit is connected with CPU with man-machine interface;
Described CPU comprises DSP core and ARM core, and described DSP kernel is used for supporting high-intensity real-time processing to calculate, and described ARM is for being responsible for un-real time job;
Described DSP core comprises harmonic current detection module, DC voltage-stabilizing control module, current tracking control module and pwm pulse generation module, described harmonic current detection module is connected current tracking control module with DC voltage-stabilizing control module, described current tracking control module connects pwm pulse generation module, described DSP kernel is responsible for harmonic current detection, DC voltage voltage stabilizing control, current tracking control and is produced pwm pulse, ensures the ageing and reliability of control algolithm;
Described ARM core comprises protection and fault-tolerant module and communication module; described protection is connected respectively I/O interface circuit and communication module with fault-tolerant module; described communication module connects man-machine interface, and described ARM kernel is responsible for APF to carry out monitoring and protection fault-tolerant processing and communication function.
2. the active electric power filtering controller based on dual core processor according to claim 1, it is characterized in that, described data acquisition module comprises signal conditioning circuit and A/D conversion chip, and described signal conditioning circuit and A/D conversion chip are for being transformed into the current analog signal of the voltage of the three-phase current of the three-phase voltage of electrical network, load, DC side and APF the digital signal of DSP identification.
3. the active electric power filtering controller based on dual core processor according to claim 1, is characterized in that, the model of described A/D conversion chip is AD7938.
4. the active electric power filtering controller based on dual core processor according to claim 1, it is characterized in that, the model of described CPU is OMAP-L138, adopts the dual-core architecture of C6748 DSP kernel and ARM9 kernel, and unit core frequency is 300MHz.
5. the active electric power filtering controller based on dual core processor according to claim 1, is characterized in that, uses eCAP trapping module to realize phase-locked to line voltage in described CPU.
6. the active electric power filtering controller based on dual core processor according to claim 1, is characterized in that, utilizes enhancement mode high-resolution eHRPWM module to produce driving pulse in described CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340607.4A CN104104084A (en) | 2014-07-16 | 2014-07-16 | Dual-core processor based active power filter controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340607.4A CN104104084A (en) | 2014-07-16 | 2014-07-16 | Dual-core processor based active power filter controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104104084A true CN104104084A (en) | 2014-10-15 |
Family
ID=51671997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410340607.4A Pending CN104104084A (en) | 2014-07-16 | 2014-07-16 | Dual-core processor based active power filter controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104104084A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337280A (en) * | 2015-10-22 | 2016-02-17 | 南京亚派科技股份有限公司 | Active power filter control system and method based on FPGA |
| CN107895951A (en) * | 2017-12-28 | 2018-04-10 | 南京林洋电力科技有限公司 | A kind of Active Power Filter-APF controller and filtering method |
| CN109964181A (en) * | 2016-11-21 | 2019-07-02 | 威德米勒界面有限公司及两合公司 | Controller for industrial automation equipment and the method to this controller programming and operation |
| CN110098614A (en) * | 2018-01-29 | 2019-08-06 | 东方博沃（北京）科技有限公司 | The controller and its operating method of active filter |
| WO2022063304A1 (en) * | 2020-09-27 | 2022-03-31 | 中兴通讯股份有限公司 | Direct current-direct current conversion system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2912115Y (en) * | 2005-11-30 | 2007-06-13 | 东南大学 | General power digital-control platform based on high speed embedded digital signal processing |
| CN202696152U (en) * | 2012-08-10 | 2013-01-23 | 杨文新 | Active electric power filter for intelligent power grid |
| CN103607133A (en) * | 2013-11-29 | 2014-02-26 | 科大智能科技股份有限公司 | Three-phase bridge PWM converter and active power filter formed by same |
| CN204046172U (en) * | 2014-07-16 | 2014-12-24 | 金海新源电气江苏有限公司 | A kind of active electric power filtering controller based on dual core processor |
-
2014
- 2014-07-16 CN CN201410340607.4A patent/CN104104084A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2912115Y (en) * | 2005-11-30 | 2007-06-13 | 东南大学 | General power digital-control platform based on high speed embedded digital signal processing |
| CN202696152U (en) * | 2012-08-10 | 2013-01-23 | 杨文新 | Active electric power filter for intelligent power grid |
| CN103607133A (en) * | 2013-11-29 | 2014-02-26 | 科大智能科技股份有限公司 | Three-phase bridge PWM converter and active power filter formed by same |
| CN204046172U (en) * | 2014-07-16 | 2014-12-24 | 金海新源电气江苏有限公司 | A kind of active electric power filtering controller based on dual core processor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337280A (en) * | 2015-10-22 | 2016-02-17 | 南京亚派科技股份有限公司 | Active power filter control system and method based on FPGA |
| CN109964181A (en) * | 2016-11-21 | 2019-07-02 | 威德米勒界面有限公司及两合公司 | Controller for industrial automation equipment and the method to this controller programming and operation |
| CN109964181B (en) * | 2016-11-21 | 2022-02-25 | 威德米勒界面有限公司及两合公司 | Controller for an industrial automation device and method for programming and operating such a controller |
| CN107895951A (en) * | 2017-12-28 | 2018-04-10 | 南京林洋电力科技有限公司 | A kind of Active Power Filter-APF controller and filtering method |
| CN110098614A (en) * | 2018-01-29 | 2019-08-06 | 东方博沃（北京）科技有限公司 | The controller and its operating method of active filter |
| WO2022063304A1 (en) * | 2020-09-27 | 2022-03-31 | 中兴通讯股份有限公司 | Direct current-direct current conversion system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201994674U (en) | Reactive power compensation and harmonic suppression device for photovoltaic grid-combined system | |
| CN104104084A (en) | Dual-core processor based active power filter controller | |
| CN106950512B (en) | Energy storage converter grid-connected and grid-disconnected characteristic integrated detection system and method | |
| CN101577427B (en) | Detection control method of self-adapting tuning passive power filter | |
| CN104300812A (en) | Direct power active disturbance rejection control method for three-phase voltage source PWM rectifier | |
| CN103595280A (en) | Deadbeat control method of solar power generating system inverter under condition of voltage unbalance | |
| CN102856928B (en) | A kind of inverter | |
| CN103117553A (en) | Novel power quality regulator on background of micro-grid | |
| CN105024395A (en) | Photovoltaic grid-connected power generation system input current ripple suppression device and method | |
| CN204046172U (en) | A kind of active electric power filtering controller based on dual core processor | |
| CN203339701U (en) | Multi-target loss reduction device | |
| CN103001579A (en) | Direct-current active filter based on bidirectional DC-DC (direct current to direct current) converter | |
| CN104506069A (en) | Non-isolation type photovoltaic grid-connected inverter | |
| CN203911558U (en) | Off-board conductive direct-current electric vehicle charger having APF function | |
| CN101963787A (en) | Dual feedback loop control method of power active filter | |
| CN203326915U (en) | Control system for reducing impact current of grid-connected inverter | |
| CN201918913U (en) | Special control unit for PWM (pulse-width modulation) rectifier | |
| CN103414190A (en) | Multi-target loss reduction device | |
| CN203589734U (en) | Flexible low-voltage power compensation device | |
| CN204928161U (en) | Electric wire netting reactive power and voltage compensation device | |
| CN203747427U (en) | High calculating ability intelligent capacitor | |
| CN204361687U (en) | Many combined parallels static reacance generator | |
| CN102969735A (en) | Photovoltaic flexibility grid-connection device and control method | |
| CN105098780A (en) | Active heat supplying temperature controller equipped with dual-core processor | |
| CN102347618A (en) | Three-phase energy feedback device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141015 |
|
| RJ01 | Rejection of invention patent application after publication |