CN105356603A - APF parallel-operation communication system based on power carrier transmission - Google Patents

APF parallel-operation communication system based on power carrier transmission Download PDF

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Publication number
CN105356603A
CN105356603A CN201510789873.XA CN201510789873A CN105356603A CN 105356603 A CN105356603 A CN 105356603A CN 201510789873 A CN201510789873 A CN 201510789873A CN 105356603 A CN105356603 A CN 105356603A
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CN
China
Prior art keywords
carrier transmission
apf
electric force
communication system
system based
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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
Application number
CN201510789873.XA
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Chinese (zh)
Inventor
陈子栋
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.)
KUNSHAN TYSEN-KLD PHOTOELECTRIC TECHNOLOGY Co Ltd
Original Assignee
KUNSHAN TYSEN-KLD PHOTOELECTRIC TECHNOLOGY Co Ltd
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Filing date
Publication date
Application filed by KUNSHAN TYSEN-KLD PHOTOELECTRIC TECHNOLOGY Co Ltd filed Critical KUNSHAN TYSEN-KLD PHOTOELECTRIC TECHNOLOGY Co Ltd
Priority to CN201510789873.XA priority Critical patent/CN105356603A/en
Publication of CN105356603A publication Critical patent/CN105356603A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/542Systems for transmission via power distribution lines the information being in digital form
    • 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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The invention provides an APF parallel-operation communication system based on power carrier transmission. The APF parallel-operation communication system is characterized by comprising power lines forming communication media, and a power carrier transmission platform which is butted with the power lines in a communication way. The power carrier transmission platform is provided with interfaces which are simultaneously butted with multiple APF modules. The APF modules emit and transmit data to the power lines via the power carrier transmission platform. All the APF modules in the same power network can identify and receive the data on the power lines via the power carrier transmission platform. According to the technical scheme, a conventional communication connection mode is eliminated, and the power lines act as the communication media so that material and installation of communication lines can be omitted, introduction of interference on the communication lines under the strong electromagnetic interference environment can be avoided to the largest extent, the problem of communication interference can be solved from the physical level, and communication quality between all the APF modules can be reliably guaranteed.

Description

A kind of APF parallel operation communication system based on electric force carrier transmission
Technical field
The invention belongs to the parallel operation running technology field of APF, be specifically related to a kind of APF parallel operation communication system based on electric force carrier transmission.
Background technology
Active electric filter device (APF) can absorb the harmonic and reactive currents that nonlinear load produces nearby, is the effective measures of harmonic inhabitation and idle pollution.As shown in Figure 1, APF on the market has more than 85% can accomplish parallel operation synchronous operation and Long-distance Control at present, and this wherein has 10% employing radio communication to connect, and residue 90% adopts wire rod to connect parallel operation, comprises that bluetooth module connects, 485 communication connections etc.Parallel operation connected mode between current APF all easily disturb by the severe electromagnetic environment in scene and communication failure occurs, lose the problem such as code, communication delay, these problems can cause again parallel operation run asynchronous or failure thus produce the serious consequences such as the abnormal even device damage of harmonic filtration.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of communication system based on electric force carrier transmission, complete the parallel operation synchronous communication between each APF module and Long-distance Control, interference introduced by the wire rod that communicates under avoiding strong electromagnetic interference environment to greatest extent, solves the problem of Communication Jamming from physical layer.
For achieving the above object, technical scheme of the present invention is as follows: a kind of APF parallel operation communication system based on electric force carrier transmission, it is characterized in that: comprise the power line forming communication media, the electric force carrier transmission platform docked with described power line communication, described electric force carrier transmission platform is provided with the interface simultaneously docked with APF module described in several, data transmitting is transferred to described power line by electric force carrier transmission platform by described APF module, APF module described in each in same electric power networks all can by described electric force carrier transmission land identification and the data received on described power line.
In a preferred embodiment of the present invention, comprise described electric force carrier transmission platform further and comprise,
One calculates for responsible algorithm, program is run, instruction exports the governor circuit controlled;
One for responsible transmitting, the power carrier transmission circuit receiving data;
One for being responsible for the filter circuit data entering or leave described power line being carried out to filtering and eliminating noise;
One for providing the electric power management circuit of working power to each building block;
Described APF module, governor circuit, power carrier transmission circuit, filter circuit successively conducting connect, and described electric power management circuit is electrically connected with each building block respectively.
In a preferred embodiment of the present invention, comprise described power carrier transmission circuit further and comprise carrier transmitting-receiving chip.
In a preferred embodiment of the present invention, the model comprising described carrier transmitting-receiving chip is further PLT-22.
In a preferred embodiment of the present invention, comprise described governor circuit further and comprise neuron chip with Embedded Network Operating System.
In a preferred embodiment of the present invention, the model comprising described neuron chip is further TMPN3120.
In a preferred embodiment of the present invention, comprise described carrier transmitting-receiving chip further and be connected with neuron chip communication.
In a preferred embodiment of the present invention, comprise described carrier transmitting-receiving chip further, based on BPSK, modulation /demodulation is carried out to data.
In a preferred embodiment of the present invention, comprise described filter circuit further and comprise the first filter branch, the second filter branch, the 3rd filter branch that set gradually along filtering outbound course, connect with the first filter branch after described second filter branch and the 3rd filter branch parallel connection, described carrier transmitting-receiving chip is connected with the first filter branch.
In a preferred embodiment of the present invention, comprise that described first filter branch comprises the first electric capacity C1 of series connection, the first inductance L 1 is connected further, described second filter branch comprises the second resistance R2, the 3rd electric capacity C3, the 3rd inductance L 3 of series connection, described 3rd filter branch is connected with the second electric capacity C2 after comprising the first resistance R1, the second inductance L 2 and the second electric capacity C2, described first resistance R1, the second inductance L 2 parallel connection.
The invention has the beneficial effects as follows:
Technique scheme of the present invention, it is specifically communication media with power line, realize parallel operation synchronous operation between each APF module and Long-distance Control by the electric force carrier transmission platform built, the communication of APF intermodule can be sent by power circuit after coded modulation; APF module in same electric power networks is received by electric force carrier transmission platform and demodulation communication data of decoding, and performs corresponding operating according to Content of Communication.The communication connection mode of technique scheme abandoning tradition of the present invention, save material and the installation of communication wire rod on the one hand, communicate under on the other hand avoiding strong electromagnetic interference environment to greatest extent the introducing that wire rod disturbs, solve the problem of Communication Jamming from physical layer, make the communication quality between each APF module obtain Reliable guarantee.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the communication connection structural representation between each APF module of the prior art;
Fig. 2 is the structured flowchart of the preferred embodiment of the present invention;
Fig. 3 is the circuit theory diagrams of the preferred embodiment of the present invention;
Fig. 4 is the circuit theory diagrams of the filter circuit of the preferred embodiment of the present invention.
Wherein, L, N-power line, 10-electric force carrier transmission platform, 20-APF module, 101-governor circuit, 102-power carrier transmission circuit, 103-filter circuit, 104-electric power management circuit, U1-carrier transmitting-receiving chip, U2-neuron chip, A-first filter branch, B-second filter branch, C-the 3rd filter branch.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As Fig. 2, 3, shown in 4, a kind of communication system based on electric force carrier transmission is disclosed in the present embodiment, complete the parallel operation synchronous communication between each APF module and Long-distance Control, comprise the power line L forming communication media, N, with described power line L, the electric force carrier transmission platform 10 of N communication docking, described electric force carrier transmission platform 10 is provided with the interface simultaneously docked with APF module 20 described in several, data transmitting is transferred to described power line L by electric force carrier transmission platform 10 by described APF module 20, N, APF module 20 described in each in same electric power networks all can be identified by described electric force carrier transmission platform 10 and receive the data on described power line.
Concrete, described electric force carrier transmission platform 10 comprises governor circuit 101, power carrier transmission circuit 102, filter circuit 103, electric power management circuit 104.Wherein, described governor circuit 101 is mainly used in the calculating of responsible algorithm, program is run, instruction exports and controls; Described power carrier transmission circuit 102 primary responsibility is launched, receive data, first carries out demodulation based on BPSK to the data received, and first modulates based on BPSK the data that will launch; Described filter circuit 103 primary responsibility carries out filtering and eliminating noise to the data entering or leave described power line L, N; Described electric power management circuit 104 is for providing working power to each building block.Wherein, described APF module 20, governor circuit 101, power carrier transmission circuit 102, filter circuit 103 successively conducting connect, and described electric power management circuit 104 is electrically connected with each building block respectively, and concrete structure is as follows:
Described power carrier transmission circuit 102 comprises carrier transmitting-receiving chip U1, and carrier transmitting-receiving chip U1 of the present invention preferably adopts Echelon company model to be the chip of PLT-22; Described governor circuit 101 comprises the neuron chip U2 with Embedded Network Operating System, and the model that neuron chip U2 of the present invention preferably adopts is TMPN3120; Described carrier transmitting-receiving chip U1 and neuron chip U2 communicates to connect, concrete, 17th, 19,20, the 22 pin (CP0 ~ CP2 of TMPN3120, CP4) with the 4th of PLT-22,5,6,7 pins (FCLK, BCLK, TXD, RXD) communicate to connect, 15th pin (CLK1) of TMPN3120 is connected with the 10th pin (CKOUT) of PLT-22, and the 1st pin (RESET) of TMPN3120 is connected with the 13rd pin (RST) of PLT-22.
Carrier transmitting-receiving chip U1 is connected with filter circuit 103, concrete: PLT-22 the 2nd, 16 pins (RXIN, TXOUT) are connected with filter circuit 103.
Described filter circuit 103 comprises the first filter branch A, the second filter branch B, the 3rd filter branch C that set gradually along filtering outbound course, connects after described second filter branch B and the 3rd filter branch C parallel connection with the first filter branch A,
Further, described first filter branch A comprises the first electric capacity C1 of series connection, the first inductance L 1 is connected, described second filter branch B comprises the second resistance R2, the 3rd electric capacity C3, the 3rd inductance L 3 of series connection, described 3rd filter branch C connects with the second electric capacity C2 after comprising the first resistance R1, the second inductance L 2 and the second electric capacity C2, described first resistance R1, the second inductance L 2 parallel connection.
2nd pin (RXIN) of PLT-22 is connected between the first electric capacity C1, the first inductance L 1, and the 16th pin (TXOUT) of PLT-22 exports connection first electric capacity C1.
Parallel operation communication system of the present invention is based on above-mentioned building block, its operation principle is as follows: APF module 20 and neuron chip U2 communication transmitting data, neuron chip U2 processes data, and by the transfer of data that processed to carrier transmitting-receiving chip U1, transmitting-receiving carrier chip U1 modulates rear transmitting based on BPSK to data, filter circuit 103 is incorporated to power line after carrying out filtering process to the data of launching, and the data of APF module 20 are that communication media transmits with power line; The APF module 20 being positioned at same electric power networks can identify and accept the data of other APF module 20 transmission, carrier transmitting-receiving chip U1 receives data and carries out demodulation based on BPSK to data from power line L, N, and the data after demodulation are transferred to APF module 20 through neuron chip U2, entirety completes the parallel operation synchronous communication between APF module 20.
Therefore, the communication connection mode of technique scheme abandoning tradition of the present invention, save material and the installation of communication wire rod on the one hand, communicate under on the other hand avoiding strong electromagnetic interference environment to greatest extent the introducing that wire rod disturbs, solve the problem of Communication Jamming from physical layer, make the communication quality between each APF module 20 obtain Reliable guarantee.
After application native system, continue normally to work in situation for 2 minutes at electric fast transient/impulse train; 5Kv surge pulse continues situation communication data in afternoon distortion in 1.5 minutes, and communicating interrupt phenomenon occurs; Under 5.4kbps speed, APF module 20 communication instruction Loss Rates are lower than 0.0002%.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. the APF parallel operation communication system based on electric force carrier transmission, it is characterized in that: comprise the power line forming communication media, the electric force carrier transmission platform docked with described power line communication, described electric force carrier transmission platform is provided with the interface simultaneously docked with APF module described in several, data to be launched by electric force carrier transmission platform and are transferred to described power line by described APF module, and APF module described in each in same electric power networks all can by described electric force carrier transmission land identification and the data received on described power line.
2. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 1, is characterized in that: described electric force carrier transmission platform comprises,
One calculates for responsible algorithm, program is run, instruction exports the governor circuit controlled;
One for responsible transmitting, the power carrier transmission circuit receiving data;
One for being responsible for the filter circuit data entering or leave described power line being carried out to filtering and eliminating noise;
One for providing the electric power management circuit of working power to each building block;
Described APF module, governor circuit, power carrier transmission circuit, filter circuit successively conducting connect, and described electric power management circuit is electrically connected with each building block respectively.
3. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 2, is characterized in that: described power carrier transmission circuit comprises carrier transmitting-receiving chip.
4. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 3, is characterized in that: the model of described carrier transmitting-receiving chip is PLT-22.
5. a kind of APF parallel operation communication system based on electric force carrier transmission according to Claims 2 or 3, is characterized in that: described governor circuit comprises the neuron chip with Embedded Network Operating System.
6. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 5, is characterized in that: the model of described neuron chip is TMPN3120.
7. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 5, is characterized in that: described carrier transmitting-receiving chip is connected with neuron chip communication.
8. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 7, is characterized in that: described carrier transmitting-receiving chip carries out modulation /demodulation based on BPSK to data.
9. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 3, it is characterized in that: described filter circuit comprises the first filter branch, the second filter branch, the 3rd filter branch that set gradually along filtering outbound course, connect with the first filter branch after described second filter branch and the 3rd filter branch parallel connection, described carrier transmitting-receiving chip is connected with the first filter branch.
10. a kind of APF parallel operation communication system based on electric force carrier transmission according to claim 9, it is characterized in that: described first filter branch comprises first electric capacity (C1) of series connection, first inductance (L1) is connected, described second filter branch comprises second resistance (R2) of series connection, 3rd electric capacity (C3), 3rd inductance (L3), described 3rd filter branch comprises the first resistance (R1), second inductance (L2) and the second electric capacity (C2), described first resistance (R1), connect with the second electric capacity (C2) after second inductance (L2) is in parallel.
CN201510789873.XA 2015-11-17 2015-11-17 APF parallel-operation communication system based on power carrier transmission Pending CN105356603A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111668842A (en) * 2020-06-28 2020-09-15 上海兆铄科技有限公司 Active power filter based on power line carrier communication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701330A (en) * 1994-12-16 1997-12-23 Delco Electronics Corporation Serial communication method and apparatus
CN1457127A (en) * 2003-06-09 2003-11-19 清华大学 Active power filtering method with inversing capacitor regulation and branch impendance controlled decoupling
CN1558562A (en) * 2004-01-14 2004-12-29 中国电力科学研究院 2Mbps based low voltage power line high speed data communication system and network adaptor thereof
CN101136723B (en) * 2006-08-31 2012-07-04 上海协同科技股份有限公司 Self-adaptive electric power carrier wave concentrator
CN202678972U (en) * 2012-06-14 2013-01-16 安徽科大智能电网技术有限公司 Reactive compensation and harmonic management integrated controller used for power distribution system of residential area
CN103795441A (en) * 2013-12-12 2014-05-14 青岛东软载波科技股份有限公司 BFSK, BPSK and DBPSK mode modulation-based low-voltage power line carrier communication circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701330A (en) * 1994-12-16 1997-12-23 Delco Electronics Corporation Serial communication method and apparatus
CN1457127A (en) * 2003-06-09 2003-11-19 清华大学 Active power filtering method with inversing capacitor regulation and branch impendance controlled decoupling
CN1558562A (en) * 2004-01-14 2004-12-29 中国电力科学研究院 2Mbps based low voltage power line high speed data communication system and network adaptor thereof
CN101136723B (en) * 2006-08-31 2012-07-04 上海协同科技股份有限公司 Self-adaptive electric power carrier wave concentrator
CN202678972U (en) * 2012-06-14 2013-01-16 安徽科大智能电网技术有限公司 Reactive compensation and harmonic management integrated controller used for power distribution system of residential area
CN103795441A (en) * 2013-12-12 2014-05-14 青岛东软载波科技股份有限公司 BFSK, BPSK and DBPSK mode modulation-based low-voltage power line carrier communication circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111668842A (en) * 2020-06-28 2020-09-15 上海兆铄科技有限公司 Active power filter based on power line carrier communication

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Application publication date: 20160224