CN110231792A - A kind of deicing device full power trial (FPT) control device and method - Google Patents

A kind of deicing device full power trial (FPT) control device and method Download PDF

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Publication number
CN110231792A
CN110231792A CN201910536571.XA CN201910536571A CN110231792A CN 110231792 A CN110231792 A CN 110231792A CN 201910536571 A CN201910536571 A CN 201910536571A CN 110231792 A CN110231792 A CN 110231792A
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China
Prior art keywords
bridge arm
controller
power
fpt
master controller
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CN201910536571.XA
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Chinese (zh)
Inventor
马晓红
许逵
杨柳青
曾华荣
班国邦
张露松
陈沛龙
刘君
罗国强
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Priority to CN201910536571.XA priority Critical patent/CN110231792A/en
Publication of CN110231792A publication Critical patent/CN110231792A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25257Microcontroller

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

The invention discloses a kind of deicing device full power trial (FPT) control device and methods, including master controller, three bridge arm controllers, terminal unit, on the spot touch screen and interchanger, the RT real-time processor of the RT real-time processor of master controller and three bridge arm controllers is connected to interchanger, interchanger is connected to terminal unit and on the spot touch screen, and the FPGA controller of master controller is attached with three bridge arm controllers respectively;Three bridge arm controllers are connected respectively to A phase MMC power unit module, B phase MMC power unit module and C three-phase MMC power unit module, and bridge arm controller is used to acquire DC voltage, operating temperature and the work protection alarm state of each power module unit.The harmonic wave of bring reactive loss and generation when energy thyristor deicing device of the present invention is run, the active power inversion of DC side is fed back into AC system simultaneously, the amplitude of system power is substantially reduced, reduces the demand of the capacity for experiment power supply, saves the purpose of a large amount of electric energy.

Description

A kind of deicing device full power trial (FPT) control device and method
Technical field
The invention belongs to DC ice melting equipment technical fields, and in particular to a kind of deicing device full power trial (FPT) control device And method.
Background technique
Currently, due to transmission line of electricity freeze and cause power transmission line break and tower, fall bar accident happen occasionally, power transmission line Road broken string and the accident of falling tower have seriously affected the safe operation of power grid, cause large area blackout.To prevent this kind of accident Occur, it is necessary in time by conducting wire icing and accumulated snow melt, mainly take mechanical (vibration) formula, electrothermal two major classes at present De-icing method.Mechanical (vibration) formula ice-melt makes ice and snow fall off, its main feature is that simple operations, nothing using the method for vibration conducting wire Electric energy need to be wasted, but the disadvantage is that must carry out by shelves, speed is slow, and under ground icing and accumulated snow serious situation, it is past It cannot reach the transmission line of electricity on high mountain toward because of traffic problems and can not be operated.Electrothermal ice melting technology, that is, utilize Wire-heated is achieved the purpose that ice-melt by the high current that line end short circuit is generated, and mechanical (vibration) formula de-icing method It compares, the advantages of electrothermal ice melting technology is ice-melt fast speed, is not influenced by icy on road and accumulated snow, but need to expend certain Electric energy and configure relevant corollary apparatus.Generalling use electrothermal ice melting technology now has AC great current de-icing technology and straight Flow great current deicing technology.Since the small with ice-melt power supply capacity of direct current thyristor great current deicing technology, ice melting current are flat The extensive use of electric system is obtained to the advantages that system shock very little when sliding adjustable, ice-melt.
The existing DC de-icing device in China is intended to carry out the rehearsal of the ice-melt with transmission line of electricity when entering the winter every year to ensure The normal work of equipment, the rehearsal bring several serious problems: 1) due to needing transmission line of electricity of stopping transport when rehearsal, reducing power grid Security reliability;2) for detection device, system needs to provide the power supply of coalignment capacity, (voltage 10kV or more, simultaneously At least need to provide the electric current of kiloampere), 3) every time test all cause a large amount of waste of energy (rehearsal of every sub-band route be equal Consume tens of thousands of electric energy to hundreds of thousands degree or more).
Summary of the invention
The technical problem to be solved by the present invention is a kind of deicing device full power trial (FPT) control device and method are provided, with Solve problems of the prior art.
The technical scheme adopted by the invention is as follows: a kind of deicing device full power trial (FPT) control device, including master controller, three A bridge arm controller, terminal unit, on the spot touch screen and interchanger, master controller and bridge arm controller include interconnected RT real-time processor and FPGA controller, the RT real-time processor of the RT real-time processor of master controller and three bridge arm controllers Be connected to interchanger, interchanger is connected to terminal unit and on the spot touch screen, the FPGA controller of master controller respectively with three Bridge arm controller is attached;Three bridge arm controllers are connected respectively to A phase MMC power unit module, B phase MMC power cell Module and C three-phase MMC power unit module, bridge arm controller are used to acquire the DC voltage of each power module unit, work Temperature and work protection alarm state.
Preferably, the RT real-time processor of the RT real-time processor of above-mentioned master controller and three bridge arm controllers passes through light Fine or cable is connected to interchanger.
Preferably, above-mentioned terminal unit and touch screen is connected by optical fiber or cable with master controller on the spot.
Preferably, the FPGA controller of above-mentioned master controller is connect by high-speed parallel port line with three bridge arm controllers.
Preferably, above-mentioned each bridge arm controller and 96 power unit modules, each bridge arm controller by receive and Two optical fiber are sent to connect with each power unit module of MMC.
A kind of test method of deicing device full power trial (FPT) control device, this method are as follows: main control by external CT and PT mutual inductor corresponds to acquisition system voltage, system power, DC voltage, DC current, and is opened by On-off signal acquisition Off position model and various protection alarm input signals, are adjusted by the RT real-time processor and FPGA controller of master controller After reason calculates, according to output reference voltage signal after deicing device full power trial (FPT) control device control processing, it is sent to bridge Arm controller, three bridge arm controllers open shutdown by what optical fiber controlled each power unit module respectively, to adjust The exchange output of MMC and direct current output.
Beneficial effects of the present invention: compared with prior art, the present invention solves deicing device full power trial (FPT) control system The signal acquisition and controlling function of the input and output of all analog signals of uniting and digital signal and multiple IGBT power module units Energy.Bring reactive loss and production when DC de-icing device full power trial (FPT) system energy compensating direct current thyristor deicing device is run Raw harmonic wave, while the active power inversion of DC side is fed back into AC system, so that the amplitude of system power is substantially reduced, Reach the demand for reducing the capacity for experiment power supply, saves the purpose of a large amount of electric energy.
Detailed description of the invention
Fig. 1 is whole hardware structural diagram of the invention;
Fig. 2 is system master system and bridge arm controller structure diagram in the present invention.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as shown in Figs. 1-2, a kind of deicing device full power trial (FPT) control device, including master controller (including The RT real-time processor and FPGA controller two parts being electrically connected to each other), three bridge arm controllers are (including the RT being electrically connected to each other Real-time processor and FPGA controller two parts), terminal unit, on the spot touch screen and interchanger, the RT of master controller locates in real time The RT real-time processor of reason device and three bridge arm controllers is connected to interchanger, and interchanger is connected to terminal unit and touches on the spot Screen, the FPGA controller of master controller are attached with three bridge arm controllers respectively;Three bridge arm controllers are connected respectively to A Phase MMC power unit module, B phase MMC power unit module and C three-phase MMC power unit module, bridge arm controller is for acquiring DC voltage, operating temperature and the work protection alarm state of each power module unit.
Preferably, the RT real-time processor of the RT real-time processor of above-mentioned master controller and three bridge arm controllers passes through light Fine or cable is connected to interchanger.
Preferably, above-mentioned terminal unit and touch screen is connected by optical fiber or cable with master controller on the spot, can be remote Side carries out the interaction of all people's machine to system on the spot, can carry out start stop apparatus, setting parameter or carry out checking that data etc. are grasped Make.
Preferably, the FPGA controller of above-mentioned master controller is connect by high-speed parallel port line with three bridge arm controllers, and 8 High-speed parallel port uses the communication speed of 4MHz, and 16 groups of 16 control data distributings are sent in 4us, realize the quick of reference voltage Transmitting.
Preferably, above-mentioned each bridge arm controller and 96 power unit modules, each bridge arm controller by receive and It sends two optical fiber to connect with each power unit module of MMC, each bridge arm controller reads each power unit module DC capacitor voltage and working condition, while control power unit module opens off state, so that the master for adjusting MMC is defeated Out.
The RT real-time processor of master controller is connected by cable with three bridge arm controllers, and master controller protects control Shield parameter is handed down to bridge arm controller, and bridge arm controller is by DC voltage, operating temperature and the work of each power module unit Protection alarm state is uploaded to master controller.Remote control terminal and on the spot touch screen are uploaded to by master controller again.
Embodiment 2: a kind of test method of deicing device full power trial (FPT) control device, this method are as follows: main control passes through External CT mutual inductor and PT mutual inductor correspond to acquisition system voltage, system power, DC voltage, DC current, and by opening Pass amount input acquisition position of the switch model and various protection alarm input signals, by master controller RT real-time processor and After FPGA controller carries out conditioning calculating, according to output after deicing device full power trial (FPT) control device control processing with reference to electricity Signal is pressed, is sent to bridge arm controller, three bridge arm controllers control the open-minded of each power unit module by optical fiber respectively Shutdown, to adjust the exchange output and direct current output of MMC.
Since the inventive technique is by the DC ice melting control technology based on thyristor and the full-bridge MMC inverter based on IGBT Control technology combines, to propose a kind of realization deicing device full-power testing controlling system, solves ice-melt The input and output of all analog signals of device full-power testing controlling system and digital signal and multiple IGBT power module units Signal acquisition and controlling function.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.

Claims (6)

1. a kind of deicing device full power trial (FPT) control device, it is characterised in that: including master controller, three bridge arm controllers, The RT of terminal unit, on the spot touch screen and interchanger, the RT real-time processor of master controller and three bridge arm controllers locates in real time Reason device is connected to interchanger, and interchanger is connected to terminal unit and on the spot touch screen, and master controller and bridge arm controller include RT real-time processor interconnected and FPGA controller, the FPGA controller of master controller respectively with three bridge arm controllers into Row connection;Three bridge arm controllers are connected respectively to A phase MMC power unit module, B phase MMC power unit module and C three-phase MMC power unit module, DC voltage, operating temperature and the work that bridge arm controller is used to acquire each power module unit are protected Protect alarm status.
2. a kind of deicing device full power trial (FPT) control device according to claim 1, it is characterised in that: master controller The RT real-time processor of RT real-time processor and three bridge arm controllers is connected to interchanger by optical fiber or cable.
3. a kind of deicing device full power trial (FPT) control device according to claim 1, it is characterised in that: terminal unit and Touch screen is connected by optical fiber or cable with master controller on the spot.
4. a kind of deicing device full power trial (FPT) control device according to claim 1, it is characterised in that: master controller FPGA controller is connect by high-speed parallel port line with three bridge arm controllers.
5. a kind of deicing device full power trial (FPT) control device according to claim 1, it is characterised in that: each bridge arm control Device processed and 96 power unit modules, each bridge arm controller is by sending and receiving each power list of two optical fiber and MMC Element module connection.
6. the test method of -5 any a kind of deicing device full power trial (FPT) control devices according to claim 1, special Sign is: this method are as follows: main control passes through external CT mutual inductor and PT mutual inductor acquisition system voltage, system power, direct current Pressure, DC current, and position of the switch model and various protection alarm input signals are acquired by On-off signal, by master control After the RT real-time processor and FPGA controller of device processed carry out conditioning calculating, according to deicing device full power trial (FPT) control device Output reference voltage signal after control processing, is sent to bridge arm controller, and three bridge arm controllers are controlled by optical fiber every respectively A power unit module opens shutdown, adjusts the exchange output and direct current output of MMC.
CN201910536571.XA 2019-06-20 2019-06-20 A kind of deicing device full power trial (FPT) control device and method Pending CN110231792A (en)

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Publication number Priority date Publication date Assignee Title
CN204030512U (en) * 2014-06-03 2014-12-17 南方电网科学研究院有限责任公司 A kind of voltage-source type DC ice melting static synchronous compensating device of holding concurrently
WO2015184955A1 (en) * 2014-06-03 2015-12-10 南方电网科学研究院有限责任公司 Voltage source type dc ice melting and static synchronous compensation device and method for controlling same
CN106953287A (en) * 2017-04-28 2017-07-14 浙江桂容谐平科技有限责任公司 Mixed type multifunctional direct current large current ice melting device
CN107546698A (en) * 2017-09-05 2018-01-05 许继电气股份有限公司 A kind of DC de-icing device based on MMC topological structures
CN209657132U (en) * 2019-06-20 2019-11-19 贵州电网有限责任公司 A kind of deicing device full power trial (FPT) control device

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Publication number Priority date Publication date Assignee Title
CN204030512U (en) * 2014-06-03 2014-12-17 南方电网科学研究院有限责任公司 A kind of voltage-source type DC ice melting static synchronous compensating device of holding concurrently
WO2015184955A1 (en) * 2014-06-03 2015-12-10 南方电网科学研究院有限责任公司 Voltage source type dc ice melting and static synchronous compensation device and method for controlling same
CN106953287A (en) * 2017-04-28 2017-07-14 浙江桂容谐平科技有限责任公司 Mixed type multifunctional direct current large current ice melting device
CN107546698A (en) * 2017-09-05 2018-01-05 许继电气股份有限公司 A kind of DC de-icing device based on MMC topological structures
CN209657132U (en) * 2019-06-20 2019-11-19 贵州电网有限责任公司 A kind of deicing device full power trial (FPT) control device

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