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 PDFInfo
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- 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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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000005413 snowmelt Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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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
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.
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Citations (5)
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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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2019
- 2019-06-20 CN CN201910536571.XA patent/CN110231792A/en active Pending
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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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