CN102231523A - Master-slave control system and method used for parallel operation of APF/SVG - Google Patents

Master-slave control system and method used for parallel operation of APF/SVG Download PDF

Info

Publication number
CN102231523A
CN102231523A CN2011101880749A CN201110188074A CN102231523A CN 102231523 A CN102231523 A CN 102231523A CN 2011101880749 A CN2011101880749 A CN 2011101880749A CN 201110188074 A CN201110188074 A CN 201110188074A CN 102231523 A CN102231523 A CN 102231523A
Authority
CN
China
Prior art keywords
unit
slave controller
current
information
optical fiber
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.)
Granted
Application number
CN2011101880749A
Other languages
Chinese (zh)
Other versions
CN102231523B (en
Inventor
季建辉
宋强
侯坤
侯焱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIEYUAN QINGNENG POWER ELECTRONIC Co Ltd
Original Assignee
SIEYUAN QINGNENG POWER ELECTRONIC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SIEYUAN QINGNENG POWER ELECTRONIC Co Ltd filed Critical SIEYUAN QINGNENG POWER ELECTRONIC Co Ltd
Priority to CN2011101880749A priority Critical patent/CN102231523B/en
Publication of CN102231523A publication Critical patent/CN102231523A/en
Application granted granted Critical
Publication of CN102231523B publication Critical patent/CN102231523B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10Flexible AC transmission systems [FACTS]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/20Active power filtering [APF]

Abstract

The invention, which belongs to the power electronic control technology field, relates to a master-slave control system and a method used for a parallel operation of APF/SVG. The system comprises the following parts: a master controller, slave controllers and a plurality of voltage transformers and current transformers, wherein the voltage transformers and current transformers are arranged on a bus. Output terminals of the current transformers and the voltage transformers of a user terminal are connected with an analog quantity data interface of the master controller and are used for transmitting voltage and current information of the system; An output terminal of a total output current transformer is connected with the analog quantity data interface of the master controller and is used for transmitting output current information of the devices; a fiber interface of the master controller is connected with fiber interfaces of the slave controllers and is used for transmitting to-be compensated reactive and harmonic wave information; and the fiber interfaces of the salve controllers are connected with the fiber interface of the main controller and are used for transmitting information of operation states of the all slave controllers to realize closed-loop control. According to the invention, all parallel devices have good compensation effects and utilization rates of the devices under unified control of the master controller.

Description

The principal and subordinate's control system and the method that are used for the APF/SVG parallel running
Technical field
What the present invention relates to is the system and method in a kind of power electronics control technology field, specifically is the principal and subordinate's control system and the method for a kind of APF of being used for (Active Power Filter-APF)/SVG (static reacance generator) parallel running.
Background technology
Power electronic equipments such as APF/SVG are subjected to the restriction of device level and manufacturing process etc., and it is very big that single-machine capacity can not be done, and when the electric current that need compensate when system surpasses the specified compensation ability of unitary device, can select the mode with the parallel running of many table apparatus usually.Perhaps the user has used power electronic equipments such as APF/SVG, when carrying out dilatation again, also can select the mode of many table apparatus parallel running.
Traditional many table apparatus parallel way, as shown in Figure 1, device 1~device N receives respectively on the bus, and the secondary slotted line of user CT taps into each device by the mode of series connection.Under this parallel way, control mode when the control mode of each device and separate unit operation there is no essential distinction, control system keeps track load current sends offset current during the separate unit operation, the control system keeps track has taken advantage of the load current of diverting coefficient to send offset current during parallel running, and wherein diverting coefficient can obtain according to the platform number of shunting means and the calculation of capacity of each shunting means.Under this parallel running mode, each installs independent operating, does not have communication each other, does not know how many electric currents other devices have sent out, and also do not know the system power situation, and compensation effect is relatively poor.And when each device did not have whole full-load run, if certain table apparatus fault is out of service, other devices were not also known, exert oneself thereby can not improve self accordingly, have wasted compensation capacity.
Find through retrieval prior art, application number is that 201010208136.8 " based on the master-slave control method of high-voltage high-power frequency transformator " discloses a kind of master-slave control method based on high-voltage high-power frequency transformator, it is characterized in that, mainly may further comprise the steps: be connected to N platform tandem type high-voltage high-power frequency transformator on the optical fiber keyset that is connected with master control system by optical fiber, and to specify one of them high-voltage high-power frequency transformator be that master control drives, remaining is to drive from control, wherein, N 〉=2; Power on to master control system, and master control is driven according to given frequency f 0 operation; Master control system calculates the principal voltage modulation waveform that master control this moment drives, and this principal voltage modulation waveform is sent to the optical fiber keyset; The optical fiber keyset is divided into the identical secondary voltage modulation waveform in N-1 road with the principal voltage modulation waveform of gained, and it is input to accordingly from control drives respectively.
But the prior art is not suitable for the APF/SVG device at the frequency converter design.Main cause is as follows:
What 1) need between the existing frequency converter master-slave controller to transmit is the voltage modulated waveform of given frequency f 0.And what need between the APF/SVG device master-slave controller to transmit is the combination that needs the idle and N kind harmonic current signal of compensation, and this compensating signal may change with the variation of system power, therefore in order to guarantee the correctness of data passes, require principal and subordinate's control system of APF/SVG device that higher real-time and rapidity are arranged.
2) the optical fiber keyset of existing frequency converter principal and subordinate control system only needs the principal voltage modulation waveform of gained is divided into the identical secondary voltage modulation waveform in N-1 road, and is entered into respectively accordingly and gets final product from control drives.And the capacity of slave controller is not necessarily identical in the APF/SVG device principal and subordinate control system, therefore master controller will be according to the ruuning situation and the capacity situation of each slave controller, real-time and dynamic is distributed the current controling signal of each slave controller, to reach best compensation effect and utilization ratio of device.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of principal and subordinate's control system and method for the APF/SVG of being used for parallel running is provided, make each shunting means under the unified control of master controller, reach compensation effect and utilization ratio of device preferably.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of principal and subordinate's control system of the APF/SVG of being used for parallel running, comprise: master controller, slave controller and some voltage transformer summation current transformers that is arranged on the bus, wherein: the current transformer of user side and the output of voltage transformer link to each other with the analog data interface of master controller and the voltage and current information of transmission system, the output of total output current transformer and the analog data interface of the master controller also output current information of transmitting device that links to each other, the optical fiber interface of master controller links to each other with the optical fiber interface of slave controller and transmits idle and harmonic information to be compensated, the optical fiber interface of slave controller link to each other with the optical fiber interface of master controller and the running state information of transmitting each slave controller to realize closed-loop control.
Described master controller, comprise: a DSP (digital signal processor) unit, a FPGA (field programmable gate array) unit, the 2nd DSP unit, analog data interface unit and optical fiber interface unit, wherein: a DSP unit, the 2nd DSP unit, analog data interface unit and optical fiber interface unit link to each other with a FPGA unit respectively and transmit total compensating reactive power and harmonic wave current waveform information, each slave controller diverting coefficient information, each analog data information of system respectively, from the running state information of device.
Described slave controller, comprise: the 3rd DSP unit, the 2nd FPGA unit, analog data interface unit and optical fiber interface unit, wherein: the 3rd DSP unit, analog data interface unit, optical fiber interface unit link to each other with the 2nd FPGA unit respectively and transmit respectively from device output current effective value information, from installing the offset current shape information that each analog quantity information, master controller issue.
The present invention relates to the control method of said system, may further comprise the steps:
1) master controller is by analog data interface acquisition system voltage, current information and the total output current information of shunting means, import a DSP unit and a DSP unit through a FPGA unit respectively into and handle and obtain calculating idle and harmonic current real-time waveform data to be compensated, import a FPGA unit into harmonic current real-time waveform data by a DSP unit and a DSP unit are should be to be compensated idle;
2) slave controller is gathered the output current information of slave controller inside by the analog data interface, import the output current effective value that each slave controller was handled and calculated in the 3rd DSP unit into through the 2nd FPGA unit, the 3rd DSP unit imports the output current effective value into the 2nd FPGA unit and running state information is uploaded to the optical fiber interface unit of master controller by optical fiber interface;
3) be forwarded to the 2nd DSP unit after the running state information of master controller by optical fiber interface reception slave controller, a FPGA unit is given in diverting coefficient and passback that the 2nd DSP unit calculates corresponding each slave controller according to the weighted average mode;
4) a FPGA unit basis: the diverting coefficient of all slave controllers that to be compensated idle and harmonic current real-time waveform data that a DSP unit transmits and the 2nd DSP unit transmit calculates the offset current Wave data of each slave controller, and this offset current Wave data is outputed to each slave controller by optical fiber interface;
5) slave controller receives the corresponding electric current of control output behind the offset current Wave data of master controller output by optical fiber interface, finally finishes the compensate function of a whole set of shunting means.
The present invention is directed to the deficiencies in the prior art, master controller has designed two DSP+FPGA structures, this structure has strong calculation function, (the offset current Wave data of each slave controller is by the situation of forming and the decision of real time execution situation of device for the offset current Wave data that the idle and N kind harmonic current that can calculate each slave controller in real time needs makes up, not necessarily identical), and output to each slave controller at a high speed, and then finish the function of APF/SVG device by optical fiber.
Master controller among the present invention can be realized closed-loop control according to system power, be that real-time analysis goes out electric current to be compensated in the system power, constantly revise the electric current that each slave controller is exported according to this electric current, make the idle component in the system power level off to zero, reach compensation effect preferably.The comparison diagram of closed loop compensation effect and existing open-loop compensation effect is seen Fig. 5.
Master controller among the present invention is by means of the communication between master-slave controller, know the running status of all slave controllers, when certain slave controller fault is out of service, master controller can be redistributed electric current to be compensated at once in the device of all the other operations, thereby has improved the utilance of a whole set of shunting means.
The master-slave control method that the present invention proposes, shunting means is divided into master controller and slave controller, main controller controls, slave controller cooperates, by sharing out the work and help one another of master-slave controller, can grasp the ruuning situation of system and a whole set of shunting means in real time, guarantee compensation effect preferably, and utilize the capacity of each shunting means to greatest extent.
Description of drawings
Fig. 1 is the prior art schematic diagram.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is the master controller structural representation.Master controller has adopted the structure of two DSP+FPGA.
Fig. 4 is the slave controller structural representation.Slave controller has adopted the structure of single DSP+FPGA.
Fig. 5 is the system and the spectrum of loads comparison diagram of closed loop and open-loop compensation 5 subharmonic.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figure 1, install 1 in the prior art~device N respectively separately and be connected on the bus, the secondary slotted line of user CT taps into each device by the mode of series connection, under this operational mode, does not have communication between each device, can only realize open-loop compensation.
As shown in Figure 2, present embodiment comprises: master controller, slave controller and some voltage transformer summation current transformers that is arranged on the bus, wherein: the current transformer of user side and the output of voltage transformer link to each other with the analog data interface of master controller and the voltage and current information of transmission system, the output of total output current transformer and the analog data interface of the master controller also output current information of transmitting device that links to each other, the optical fiber interface of master controller links to each other with the optical fiber interface of slave controller and transmits idle and harmonic information to be compensated, the optical fiber interface of slave controller link to each other with the optical fiber interface of master controller and the running state information of transmitting each slave controller to realize closed-loop control.
Described master controller is gathered the system power signal that user CT provides, is 0 to calculate compensating reactive power and the harmonic current data that device need be exported with remaining in the system power by the compensate component desired value, at the offset current Wave data that calculates each slave controller according to real-time diverting coefficient, and it is outputed to each slave controller in real time by optical fiber.After slave controller received reference current, the corresponding compensation electric current was exported in control, and then finished the compensate function of package unit.
As shown in Figure 3, described master controller, comprise: a DSP (digital signal processor) unit, a FPGA (field programmable gate array) unit, the 2nd DSP unit, analog data interface unit and optical fiber interface unit, wherein: a DSP unit, the 2nd DSP unit, analog data interface unit and optical fiber interface unit link to each other with a FPGA unit respectively and transmit total compensating reactive power and harmonic wave current waveform information, each slave controller diverting coefficient information, each analog data information of system respectively, from the running state information of device.
As shown in Figure 4, described slave controller, comprise: the 3rd DSP unit, the 2nd FPGA unit, analog data interface unit and optical fiber interface unit, wherein: the 3rd DSP unit, analog data interface unit, optical fiber interface unit link to each other with the 2nd FPGA unit respectively and transmit respectively from device output current effective value information, from installing the offset current shape information that each analog quantity information, master controller issue.
Present embodiment relates to the control method of said system, may further comprise the steps:
1) master controller is by analog data interface acquisition system voltage, current information and the total output current information of shunting means, import a DSP unit and a DSP unit through a FPGA unit respectively into and handle and obtain calculating idle and harmonic current real-time waveform data to be compensated, import a FPGA unit into harmonic current real-time waveform data by a DSP unit and a DSP unit are should be to be compensated idle;
2) slave controller is gathered the output current information of slave controller inside by the analog data interface, import the output current effective value that each slave controller was handled and calculated in the 3rd DSP unit into through the 2nd FPGA unit, the 3rd DSP unit imports the output current effective value into the 2nd FPGA unit and running state information is uploaded to the optical fiber interface unit of master controller by optical fiber interface;
3) be forwarded to the 2nd DSP unit after the running state information of master controller by optical fiber interface reception slave controller, a FPGA unit is given in diverting coefficient and passback that the 2nd DSP unit calculates corresponding each slave controller according to the weighted average mode;
4) a FPGA unit basis: the diverting coefficient of all slave controllers that to be compensated idle and harmonic current real-time waveform data that a DSP unit transmits and the 2nd DSP unit transmit calculates the offset current Wave data of each slave controller, and this offset current Wave data is outputed to each slave controller by optical fiber interface;
5) slave controller receives the corresponding electric current of control output behind the offset current Wave data of master controller output by optical fiber interface, finally finishes the compensate function of a whole set of shunting means.
Described diverting coefficient is meant: k 1 = S run 1 × I 1 e S run 1 × I 1 e + S run 2 × I 2 e + . . . + S runn × I ne , Wherein: k 1The diverting coefficient of first slave controller correspondence of expression, I (1~n) eBe first the rated current to n slave controller, S Run (1~n)Represent the 1st to n slave controller running state information, when corresponding slave controller moves, S Run (1~n)=1, otherwise when corresponding slave controller does not move, S Run (1~n)=0, n is the number of slave controller.
Described offset current Wave data is meant: i Ref1=k 1* i Ref_all, wherein: i Ref1The offset current Wave data of first slave controller correspondence of expression, k 1The diverting coefficient of first slave controller correspondence of expression, i Ref_allBe total idle and harmonic wave current waveform data that will compensate in the system that calculates of master controller.
As shown in Figure 5, abscissa is a harmonic number, ordinate is a harmonic current content, the bright block diagram of color is the load harmonic content, the block diagram of darker in color is a system harmonics content, and the harmonic content of compensation back system side is the smaller the better, and promptly the block diagram of darker in color is short more good more, two experimental conditions are identical, and 5 subharmonic all have 150A.Adopt principal and subordinate's control system closed loop compensation effect to see figure (a), can leave on scheming, 5 subharmonic of compensation back system side are 0 (surveying 5 subharmonic is 2A).The open-loop compensation effect of former independent shunting means is seen figure (b), 5 subharmonic of compensation back system side also surplus (actual measurement is 30A) as can be seen from the figure.By contrasting as can be known the closed loop compensation effect significantly better than the open-loop compensation effect.

Claims (6)

1. principal and subordinate's control system that is used for the APF/SVG parallel running, it is characterized in that, comprise: master controller, slave controller and some voltage transformer summation current transformers that is arranged on the bus, wherein: the current transformer of user side and the output of voltage transformer link to each other with the analog data interface of master controller and the voltage and current information of transmission system, the output of total output current transformer and the analog data interface of the master controller also output current information of transmitting device that links to each other, the optical fiber interface of master controller links to each other with the optical fiber interface of slave controller and transmits idle and harmonic information to be compensated, the optical fiber interface of slave controller link to each other with the optical fiber interface of master controller and the running state information of transmitting each slave controller to realize closed-loop control.
2. the principal and subordinate's control system that is used for the APF/SVG parallel running according to claim 1, it is characterized in that, described master controller, comprise: a DSP unit, the one FPGA unit, the 2nd DSP unit, analog data interface unit and optical fiber interface unit, wherein: a DSP unit, the 2nd DSP unit, the analog data interface unit links to each other with a FPGA unit respectively with the optical fiber interface unit and transmits total compensating reactive power and harmonic wave current waveform information respectively, each slave controller diverting coefficient information, each analog data information of system, running state information from device.
3. the principal and subordinate's control system that is used for the APF/SVG parallel running according to claim 1, it is characterized in that, described slave controller, comprise: the 3rd DSP unit, the 2nd FPGA unit, analog data interface unit and optical fiber interface unit, wherein: the 3rd DSP unit, analog data interface unit, optical fiber interface unit link to each other with the 2nd FPGA unit respectively and transmit respectively from device output current effective value information, from installing the offset current shape information that each analog quantity information, master controller issue.
4. the control method according to the described system of above-mentioned arbitrary claim is characterized in that, may further comprise the steps:
1) master controller is by analog data interface acquisition system voltage, current information and the total output current information of shunting means, import a DSP unit and a DSP unit through a FPGA unit respectively into and handle and obtain calculating idle and harmonic current real-time waveform data to be compensated, import a FPGA unit into harmonic current real-time waveform data by a DSP unit and a DSP unit are should be to be compensated idle;
2) slave controller is gathered the output current information of slave controller inside by the analog data interface, import the output current effective value that each slave controller was handled and calculated in the 3rd DSP unit into through the 2nd FPGA unit, the 3rd DSP unit imports the output current effective value into the 2nd FPGA unit and running state information is uploaded to the optical fiber interface unit of master controller by optical fiber interface;
3) be forwarded to the 2nd DSP unit after the running state information of master controller by optical fiber interface reception slave controller, a FPGA unit is given in diverting coefficient and passback that the 2nd DSP unit calculates corresponding each slave controller according to the weighted average mode;
4) a FPGA unit basis: the diverting coefficient of all slave controllers that to be compensated idle and harmonic current real-time waveform data that a DSP unit transmits and the 2nd DSP unit transmit calculates the offset current Wave data of each slave controller, and this offset current Wave data is outputed to each slave controller by optical fiber interface;
5) slave controller receives the corresponding electric current of control output behind the offset current Wave data of master controller output by optical fiber interface, finally finishes the compensate function of a whole set of shunting means.
5. control method according to claim 4 is characterized in that, described diverting coefficient is meant: k 1 = S run 1 × I 1 e S run 1 × I 1 e + S run 2 × I 2 e + . . . + S runn × I ne , Wherein: k 1The diverting coefficient of first slave controller correspondence of expression, I (1~n) eBe first the rated current to n slave controller, S Run (1~n)Represent the 1st to n slave controller running state information, when corresponding slave controller moves, S Run (1~n)=1, otherwise when corresponding slave controller does not move, S Run (1~n)=0, n is the number of slave controller.
6. control method according to claim 4 is characterized in that, described offset current Wave data is meant: i Ref1=k 1* i Ref_all, wherein: i Ref1The offset current Wave data of first slave controller correspondence of expression, k 1The diverting coefficient of first slave controller correspondence of expression, i Ref_allBe total idle and harmonic wave current waveform data that will compensate in the system that calculates of master controller.
CN2011101880749A 2011-07-06 2011-07-06 Master-slave control system and method used for parallel operation of APF/SVG Expired - Fee Related CN102231523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101880749A CN102231523B (en) 2011-07-06 2011-07-06 Master-slave control system and method used for parallel operation of APF/SVG

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101880749A CN102231523B (en) 2011-07-06 2011-07-06 Master-slave control system and method used for parallel operation of APF/SVG

Publications (2)

Publication Number Publication Date
CN102231523A true CN102231523A (en) 2011-11-02
CN102231523B CN102231523B (en) 2013-07-31

Family

ID=44844068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011101880749A Expired - Fee Related CN102231523B (en) 2011-07-06 2011-07-06 Master-slave control system and method used for parallel operation of APF/SVG

Country Status (1)

Country Link
CN (1) CN102231523B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981438A (en) * 2012-12-10 2013-03-20 哈尔滨九洲电气股份有限公司 Multi-power-unit tandem FPGA control device and control method for chain type SVG
CN103064323A (en) * 2012-12-13 2013-04-24 广西星宇智能电气有限公司 Parallel control method used for active power filter
CN103309260A (en) * 2013-06-18 2013-09-18 深圳市英威腾电气股份有限公司 System and method for controlling SVG/APF (static var generator/active power filter) in parallel operation
CN103311934A (en) * 2013-06-18 2013-09-18 深圳市英威腾电气股份有限公司 System and method for multi-machine communication with SVG/APF (static var generator/active power filter) in parallel operation
CN103746382A (en) * 2013-12-31 2014-04-23 上海东瑞节能科技有限公司 Active power filtering system
CN104218584A (en) * 2014-09-16 2014-12-17 东南大学 Multi-parallel capacity optimal distributing method for active harmonic suppression device
CN104578074A (en) * 2015-01-23 2015-04-29 张琦 Loop communication network system based on optical fiber interface and control method thereof
CN106229996A (en) * 2016-08-16 2016-12-14 株洲变流技术国家工程研究中心有限公司 A kind of system realizing the operation of SVG device multi-machine parallel connection and control method thereof
CN110445141A (en) * 2019-08-20 2019-11-12 上海艾临科智能科技有限公司 A kind of electric energy administers control method and control device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001045667A (en) * 1999-07-30 2001-02-16 Matsushita Electric Ind Co Ltd Parallel running of reactive power compensating apparatuses
CN101807799A (en) * 2010-04-27 2010-08-18 天津大学 Super capacitor energy storage type power quality compensator
CN101917148A (en) * 2010-07-28 2010-12-15 东方日立(成都)电控设备有限公司 Master and slave control method based on high-voltage big-power transducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001045667A (en) * 1999-07-30 2001-02-16 Matsushita Electric Ind Co Ltd Parallel running of reactive power compensating apparatuses
CN101807799A (en) * 2010-04-27 2010-08-18 天津大学 Super capacitor energy storage type power quality compensator
CN101917148A (en) * 2010-07-28 2010-12-15 东方日立(成都)电控设备有限公司 Master and slave control method based on high-voltage big-power transducer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
俞先锋等: "三相应急电源和并联型有源滤波器复合系统", 《电气自动化》 *
谭甜源等: "并联型有源电力滤波器的安全保护系统设计", 《电力系统自动化》 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981438A (en) * 2012-12-10 2013-03-20 哈尔滨九洲电气股份有限公司 Multi-power-unit tandem FPGA control device and control method for chain type SVG
CN103064323A (en) * 2012-12-13 2013-04-24 广西星宇智能电气有限公司 Parallel control method used for active power filter
CN103311934B (en) * 2013-06-18 2016-09-07 深圳市英威腾电气股份有限公司 The multi-machine communication system of a kind of SVG/APF parallel running and method
CN103309260A (en) * 2013-06-18 2013-09-18 深圳市英威腾电气股份有限公司 System and method for controlling SVG/APF (static var generator/active power filter) in parallel operation
CN103311934A (en) * 2013-06-18 2013-09-18 深圳市英威腾电气股份有限公司 System and method for multi-machine communication with SVG/APF (static var generator/active power filter) in parallel operation
CN103309260B (en) * 2013-06-18 2016-05-11 深圳市英威腾电气股份有限公司 A kind of control system of SVG/APF parallel running and method
CN103746382A (en) * 2013-12-31 2014-04-23 上海东瑞节能科技有限公司 Active power filtering system
CN104218584A (en) * 2014-09-16 2014-12-17 东南大学 Multi-parallel capacity optimal distributing method for active harmonic suppression device
CN104578074A (en) * 2015-01-23 2015-04-29 张琦 Loop communication network system based on optical fiber interface and control method thereof
CN104578074B (en) * 2015-01-23 2017-02-22 张琦 Loop communication network system based on optical fiber interface and control method thereof
CN106229996A (en) * 2016-08-16 2016-12-14 株洲变流技术国家工程研究中心有限公司 A kind of system realizing the operation of SVG device multi-machine parallel connection and control method thereof
CN106229996B (en) * 2016-08-16 2019-01-22 株洲变流技术国家工程研究中心有限公司 A kind of system and its control method for realizing the operation of SVG device multi-machine parallel connection
CN110445141A (en) * 2019-08-20 2019-11-12 上海艾临科智能科技有限公司 A kind of electric energy administers control method and control device
CN110445141B (en) * 2019-08-20 2021-01-29 上海艾临科智能科技有限公司 Electric energy management control method and control device

Also Published As

Publication number Publication date
CN102231523B (en) 2013-07-31

Similar Documents

Publication Publication Date Title
CN102231523B (en) Master-slave control system and method used for parallel operation of APF/SVG
CN102157936B (en) Coordination control method
CN102969722B (en) Wind farm reactive voltage control method
CN104934972B (en) Power Exchange node and medium voltage distribution network active power flowcontrol power network and control method
CN106685239B (en) A kind of phase-shifting carrier wave method of current transformer multiplex
CN105262135A (en) Wind, light and diesel storage microgrid system containing composite energy storage and coordinated control method during grid connection
CN202026095U (en) Digital-analog mixing emulational test platform used for high voltage direct current transmission engineering
CN105515006A (en) Micro-grid multi-master-slave mixed control method based on improved droop control
CN102664459B (en) Medium-voltage electrically-propelled ship power management system and management method
CN103091645A (en) Alternating current 400 Hz medium frequency power supply test system with electric power feedback function
CN202939293U (en) Alternating-current 400Hz medium-frequency power supply test system with electric power feedback function
CN102136738A (en) Control method of grid-connected inverter of large-scale grid-connected photovoltaic power station
CN103872775B (en) A kind of intelligent micro-grid supervisory control system and method for supervising
CN104049543A (en) Real-time simulation platform for researching direct-current isolated island operation machine-network coordination characteristic
CN105762811A (en) System and method for controlling STATCOM and high-voltage direct-current power transmission system
CN103730898A (en) Method for additional function control for modularized multilevel current converter
CN103197641B (en) Power Plant stage load and voltage integration automatic control system
CN202197108U (en) Intelligent integrated reactive compensation device
CN104714443A (en) Polycrystalline silicon reduction power regulation power source and electrical control system thereof
CN208767798U (en) Dynamic SVG module and phase-change switch mixed type three-phase imbalance governing system
CN103401247A (en) Optimization method for realizing automatic generation control (AGC) and automatic voltage control (AVC) in monitoring system of boosting station of power plant
CN202721498U (en) Micro grid coordination controller based on PCC platform
CN103309260A (en) System and method for controlling SVG/APF (static var generator/active power filter) in parallel operation
CN203377598U (en) Intelligent load balancing apparatus
CN105162145B (en) A kind of master-slave type harmonic reactive-load compensation generating system and method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20210706

CF01 Termination of patent right due to non-payment of annual fee