CN106300999B - Electric car group current transformer control device and system - Google Patents

Electric car group current transformer control device and system Download PDF

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Publication number
CN106300999B
CN106300999B CN201510261661.4A CN201510261661A CN106300999B CN 106300999 B CN106300999 B CN 106300999B CN 201510261661 A CN201510261661 A CN 201510261661A CN 106300999 B CN106300999 B CN 106300999B
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unit
plug
control
processing unit
signal
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CN106300999A (en
Inventor
倪大成
吕阳
徐绍龙
戴计生
李雪江
郑良广
董平
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CRRC Zhuzhou Institute Co Ltd
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CSR Zhuzou Institute Co Ltd
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Abstract

The invention discloses a kind of electric car group current transformer control devices, comprising: analog acquisition processing unit plug-in unit is acquired processing to the various analog quantitys including voltage or current signal；Pulses switch unit plug-in unit generates current transformer control pulse and carries out fault-signal processing；Net side signal processing unit plug-in unit judges and is protected according to analog acquisition processing unit plug-in unit signal；Pusher side signal processing unit plug-in unit acquires motor velocity signal, judges and protected according to analog acquisition processing unit plug-in unit signal；Real-time controlling unit plug-in unit and System Management Unit plug-in unit realize converter system control and protection；Digital quantity input-output unit plug-in unit realizes main circuit breaker and contactor signal feedback and control.The present invention can be realized Electric system rectifier, inverter and subordinate inverter real-time control, requires neatly selecting unit control plug-in card configuration according to different control, sufficiently meets the overwhelming majority application of current track field of traffic.

Description

Electric car group current transformer control device and system
Technical field
The present invention relates to rail traffic field of electrical control, are applied to include electric EMU, electric power more particularly, to one kind Major-minor integrated converter control device and system of the locomotive in interior rail traffic vehicles.
Background technique
Currently, in the converter control system of field of track traffic, main convertor and AuCT mostly use discrete Formula control structure needs individual control unit.Although discrete converter control unit can fully meet demand for control, Still there are some shortcoming unavoidably.Meanwhile in today of technical level rapid development, field of track traffic to the volume of current transformer, Requirement in terms of weight, cost and integrated level is increasingly stringenter.Therefore, a kind of integrated form control device of converter is developed Demand is also increasingly urgent.Integrated form control device of converter should include system administration, net side control, locomotive control, auxiliary control System and other peripheral control unit plug-in units, can be realized electrical system four-quadrant rectifier, traction invertor and auxiliary inversion The real-time control of device, integrated level is high, can satisfy the demand of vehicle control characteristic.
However, up to the present, there are no the integrated form control device of converter for occurring can satisfy above-mentioned requirements.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of electric car group current transformer control device and system, Neng Goushi The real-time control of existing electrical system four-quadrant rectifier, traction invertor and subordinate inverter requires spirit according to different control The different unit of selection living controls plug-in unit to realize the configuration of control device, meets current electric EMU, electric locomotive neck The overwhelming majority application in domain.
In order to achieve the above-mentioned object of the invention, the present invention specifically provides a kind of technology of electric car group current transformer control device Implementation, electric car group current transformer control device, comprising: analog acquisition processing unit plug-in unit, pulses switch unit plug-in unit, Net side signal processing unit plug-in unit, pusher side signal processing unit plug-in unit, real-time controlling unit plug-in unit, digital quantity input-output unit Plug-in unit and System Management Unit plug-in unit.The analog acquisition processing unit plug-in unit acquisition is from power grid, transformer and unsteady flow The voltage or current signal of device.The control signal that the pulses switch unit plug-in unit issues the real-time controlling unit plug-in unit into Output exports after being converted to the current transformer, and the element fault information for receiving the current transformer to the reality after row conversion When control unit plug-in unit.The net side signal processing unit plug-in unit is collected according to the analog acquisition processing unit plug-in unit Signal is and collected according to the pulses switch unit plug-in unit to the real-time controlling unit plug-in unit output protection action signal Element fault information executes protection act, while element fault information being exported to the System Management Unit plug-in unit.The machine Speed signal from side signal processing unit plug-in unit to the real-time controlling unit plug-in unit output motor, according to the analog acquisition The collected signal of processing unit plug-in unit, pulses switch unit plug-in unit executes protection act, and corresponding information is exported to institute State System Management Unit plug-in unit.The real-time controlling unit plug-in unit is believed according to the analog acquisition processing unit plug-in unit, net side The output signal of number processing unit plug-in unit and pusher side signal processing unit plug-in unit realizes the control and protection of the current transformer.It is described Digital quantity input-output unit plug-in unit realizes main circuit breaker and contactor control circuit control, and by main circuit breaker and contactor shape State feedback signal is exported to System Management Unit plug-in unit.The System Management Unit plug-in unit, according to the net side signal processing list First plug-in unit and the signal of pusher side signal processing unit plug-in unit output carry out the control of traction/brake, and to the digital quantity Input-output unit plug-in unit exports main circuit breaker and contactor control instruction.
Preferably, the analog acquisition processing unit plug-in unit acquires the power grid from voltage/current sensor, becomes Depressor primary side, secondary side, rectification module, filtering intermediate DC circuit, inverter module and the auxiliary voltage or current signal for becoming module；
The pulses switch unit plug-in unit, the control wave that the real-time controlling unit plug-in unit is issued carry out level It is exported after conversion and respectively to the corresponding rectification module, filtering intermediate DC circuit, inverter module and auxiliary change module；Simultaneously It receives from the correspondence rectification module, filtering intermediate DC circuit, inverter module and the auxiliary element fault information for becoming module, The protection for realizing element is exported to the real-time controlling unit plug-in unit after carrying out level conversion；
The net side signal processing unit plug-in unit, to the electricity of the power grid from the analog acquisition processing unit plug-in unit Press the primary current signal of signal, the input current signal of rectification module, transformer, and the centre of filtering intermediate DC circuit D. c. voltage signal, half voltage signal make corresponding protection act after being judged, and simultaneously to from the analog quantity The signal of acquisition process unit plug-in unit exports after being filtered to the real-time controlling unit plug-in unit；It receives from described The rectification module element fault information of pulses switch unit plug-in unit carries out corresponding protection act according to the control strategy of setting, And the element fault information is exported to the System Management Unit plug-in unit；
The pusher side signal processing unit plug-in unit, handles the speed signal from motor, and exports to real-time Control unit plug-in unit；To input current, the chopper current of the inverter module from the analog acquisition processing unit plug-in unit Signal, and middle dc voltage signal, the half voltage signal of filtering intermediate DC circuit carry out judgement and according to the control of setting Strategy processed makes corresponding protection act, while being filtered place to the output signal of the analog acquisition processing unit plug-in unit It exports after reason to the real-time controlling unit plug-in unit；Receive the inverter module from the pulses switch unit plug-in unit and auxiliary change Module component fault message carries out corresponding protection act according to the control strategy of setting, and the element fault information is defeated Out to the System Management Unit plug-in unit；
The real-time controlling unit plug-in unit, according to the analog acquisition processing unit plug-in unit, net side signal processing unit The signal generation of plug-in unit and the output of pusher side signal processing unit plug-in unit is respectively used to control the rectification module, inverter module and auxiliary Become the control wave of module；It is transmitted according to the net side signal processing unit plug-in unit and pusher side signal processing unit plug-in unit Element fault information carries out pulse blocking protection to the rectification module, inverter module and auxiliary change module；
The digital quantity input-output unit plug-in unit, will be from the main circuit breaker of main circuit breaker and contactor control circuit And contactor status feedback signal is exported to System Management Unit plug-in unit, and is sent out to the main circuit breaker and contactor control circuit Contactor control instruction out；
The System Management Unit plug-in unit is inserted according to the net side signal processing unit plug-in unit and pusher side signal processing unit The signal of part output carries out the control of traction/brake, and Xiang Suoshu rectification module, inverter module and auxiliary change module export start and stop Signal is controlled, and exports main circuit breaker and contactor control instruction to the digital quantity input-output unit plug-in unit.
Preferably, the analog acquisition processing unit plug-in unit further comprises the first analog acquisition processing unit plug-in unit With the second analog acquisition processing unit plug-in unit.The first analog acquisition processing unit plug-in unit acquires the transformer primary side Electric current, the input current of the rectification module, the filtering intermediate DC circuit DC voltage and temperature signal, and export To the net side signal processing unit plug-in unit.The second analog acquisition processing unit plug-in unit acquire the motor electric current, Temperature, the chopper current of copped wave module in the inverter module, auxiliary electric current, the voltage signal for becoming module, converter cabinet The hydraulic signal of inside and outside temperature and current transformer water cooling plant, and export to the pusher side signal processing unit plug-in unit.
Preferably, the real-time controlling unit plug-in unit further comprises net side control plug-in unit, motor control plug-in unit and auxiliary change Control plug-in unit；
The net side controls plug-in unit, according to by the first analog acquisition processing unit plug-in unit and net side signal processing Unit plug-in unit treated the electric current of the transformer primary side, the input current of the rectification module, the filtering intermediate dc The d. c. voltage signal of circuit is calculated, and realizes the control algolithm including phaselocked loop, double-closed-loop control, PWM modulation, complete The real-time control of the pairs of rectification module；According to the element fault information of net side signal processing unit plug-in unit transmission to institute It states rectification module and carries out pulse blocking protection；
The motor control plug-in unit, according to by the second analog acquisition processing unit plug-in unit and pusher side signal processing The speed of unit plug-in unit treated the motor, voltage, electric current, temperature, the inverter module chopper current calculated, Realize control algolithm including closed-loop control, PWM modulation including, completion is to the real-time control of the inverter module, described in realization The control of motor；Arteries and veins is carried out to the inverter module according to the element fault information of pusher side signal processing unit plug-in unit transmission Punching block protection；
The auxiliary change controls plug-in unit, according to by the second analog acquisition processing unit plug-in unit, that treated is described auxiliary Electric current, the voltage signal for becoming module are calculated, control algolithm of the realization including closed-loop control, PWM modulation, described in completion The auxiliary Parallel Control for becoming module；According to the element fault information of the second analog acquisition processing unit plug-in unit transmission to described Auxiliary change module carries out pulse blocking protection.
Preferably, the pulses switch unit plug-in unit further comprises that the first pulses switch unit plug-in unit and the second pulse turn Change unit plug-in unit；
The first pulses switch unit plug-in unit turns level is carried out from the element fault information of the rectification module The net side is transmitted to by the net side signal processing unit plug-in unit after changing and controls plug-in unit；To net side control plug-in unit output Control wave carry out level conversion after output to the rectification module, realize that the control of the rectification module and pulse are sealed Lock protection；
The second pulses switch unit plug-in unit turns level is carried out from the element fault information of the inverter module The motor control plug-in unit is transmitted to by the pusher side signal processing unit plug-in unit after changing；It will be from the auxiliary change module The auxiliary change is transmitted to by the pusher side signal processing unit plug-in unit after element fault information progress level conversion and controls plug-in unit； Output is to the inverter module after carrying out level conversion to the control wave of motor control plug-in unit output, described in realization The control and pulse blocking of inverter module are protected；Level conversion is carried out to the auxiliary control wave for becoming control plug-in unit output After export to the auxiliary change module, realize that the auxiliary control for becoming module and pulse blocking are protected.
Preferably, the control device of converter further includes backboard, the backboard for realizing the net side control plug-in unit, Motor control plug-in unit, auxiliary change control plug-in unit, net side signal processing unit plug-in unit, pusher side signal processing unit plug-in unit, digital quantity are defeated Enter the signal interconnection between output unit plug-in unit and System Management Unit plug-in unit, the backboard uses multi-functional Wound-rotor type unit knot Structure.
Preferably, the control device of converter further includes power supply processing unit plug-in unit, the power supply processing unit plug-in unit Plug-in unit, motor control plug-in unit, auxiliary change control plug-in unit, the first analog acquisition processing unit plug-in unit, second are controlled for the net side Analog acquisition processing unit plug-in unit, net side signal processing unit plug-in unit, pusher side signal processing unit plug-in unit, the first pulses switch Unit plug-in unit, the second pulses switch unit plug-in unit, digital quantity input-output unit plug-in unit and System Management Unit plug-in unit, Yi Jisuo It states rectification module, inverter module and auxiliary change module and working power is provided.
Preferably, the net side control plug-in unit, motor control plug-in unit, auxiliary change control plug-in unit, net side signal processing unit are inserted Part, pusher side signal processing unit plug-in unit, digital quantity input-output unit plug-in unit, between System Management Unit plug-in unit by parallel AMS data/address bus is communicated.
Preferably, the net side signal processing unit plug-in unit is filtered electric current, the voltage signal of the power grid, puts Network pressure instantaneous value, effective value signal are formed after big processing, to realize the overvoltage protection of the power grid；To the defeated of the rectification module Enter current signal to be filtered, form current instantaneous value, over-current signal after enhanced processing, to realize the input of the rectification module Overcurrent protection；To the middle dc voltage signal of the filtering intermediate DC circuit is filtered, enhanced processing is to form voltage Instantaneous value, over-voltage signal, to realize the overvoltage protection of the filtering intermediate DC circuit；To the filtering intermediate DC circuit Intermediate dc half voltage signal is filtered, synthesizes after enhanced processing with the middle dc voltage signal, forms major loop and connects Ground judges signal, to realize that major loop ground is protected；The primary current signal of the transformer is filtered, amplify, is synthesized Primary current instantaneous value, primary side over-current signal, primary side ground signalling are formed after processing, to realize the primary side mistake of the transformer Stream, ground protection.
Preferably, the net side signal processing unit plug-in unit voltage signal of the power grid is filtered, enhanced processing Network pressure synchronization signal is also generated afterwards, is mutually passed with realizing with the network pressure synchronization signal of other control device of converter.The net side letter Number processing unit plug-in unit also carries out signal interaction with brak control unit.
Preferably, the pusher side signal processing unit plug-in unit is filtered and more the speed signal from the motor A processing is selected, and is exported to the motor control plug-in unit.The pusher side signal processing unit plug-in unit is inserted according to the motor control The control signal of part output realizes that the output overcurrent of the inverter module, intermediate dc over-voltage, copped wave overcurrent, subordinate inverter are defeated Overcurrent/over-voltage and three-phase imbalance protection out.The System Management Unit plug-in unit operates the pusher side signal processing unit plug-in unit Failure reset signal is generated, to the net side signal processing unit plug-in unit, pusher side signal processing unit plug-in unit, the first pulses switch Unit plug-in unit, the second pulses switch unit plug-in unit and the rectification module, inverter module and auxiliary change module are resetted.
In addition the present invention also specifically provides a kind of technic relization scheme of electric car group current transformer control system, electric vehicle Group converter control system, comprising: control device of converter as described above, and be connected with the control device of converter Main circuit breaker and contactor control circuit, rectification module, filtering intermediate DC circuit, inverter module, auxiliary change module, motor and change Depressor.
By implementing the electric car group current transformer control device and system that aforementioned present invention provides, have following beneficial to effect Fruit:
(1) present invention can complete four-quadrant rectifier, control function and the control times of main convertor and AuCT The business division of labor is clearly clear, and real-time controlling unit plug-in unit has powerful data acquisition ability and operational capability, ensure that at data The speed of reason, strong real-time；
(2) the unit plug-in unit configurability of control device of the present invention is strong, can be carried out according to the demand of different control functions Configuration, derives different types of control device；
(3) present invention uses the control unit structure of plug-in type, has man-machine interface abundant, in malfunction elimination, product Maintenance etc. is all more convenient；
(4) present invention uses highly integrated control unit, carries out system administration by system administration plug-in unit, has powerful Managerial ability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Other embodiments are obtained according to these attached drawings.
Fig. 1 is traction convertor main circuit structure block diagram applied by electric car group current transformer control device of the present invention；
Fig. 2 is a kind of system structure diagram of specific embodiment of electric car group current transformer control device of the present invention；
Fig. 3 is a kind of structure function block diagram of specific embodiment of electric car group current transformer control system of the present invention；
Fig. 4 is that analogy signal processing unit is inserted in a kind of specific embodiment of electric car group current transformer control device of the present invention The structure composition block diagram of part；
Fig. 5 is pulses switch unit plug-in unit in a kind of specific embodiment of electric car group current transformer control device of the present invention Structure composition block diagram；
Fig. 6 is that net surveys signal element plug-in unit in a kind of specific embodiment of electric car group current transformer control device of the present invention Structure composition block diagram；
Fig. 7 is motor signal unit plug-in unit in a kind of specific embodiment of electric car group current transformer control device of the present invention Structure composition block diagram；
Fig. 8 is real-time controlling unit plug-in unit in a kind of specific embodiment of electric car group current transformer control device of the present invention Structure composition block diagram；
Fig. 9 is System Management Unit plug-in unit in a kind of specific embodiment of electric car group current transformer control device of the present invention Structure composition block diagram；
In figure: 1- main circuit breaker and contactor control circuit, 2- rectification module, 3- filter intermediate DC circuit, 4- inversion Module, the auxiliary change module of 5-, the auxiliary varying load of 6-, 7- motor, 8- transformer, 9- motor speed sensor, 10- traction convertor, 11- Voltage/current sensor, 100- motion control unit (DCU), 200- brak control unit (BCU), 300- power grid, 101- simulation Cell processing circuit, 102- pulse and fault-signal processing unit, 103- speed signal processing unit, 104- inversion control list Member, 105- Commutation control unit, the auxiliary change control unit of 106-, 107- digital quantity input/output control unit, 108- parallel data Bus, 109- System Management Unit, 201- net side control plug-in unit, 202- motor control plug-in unit, and the auxiliary change of 203- controls plug-in unit, 204- First analog acquisition processing unit plug-in unit, 205- the second analog acquisition processing unit plug-in unit, 206- net side signal processing list First plug-in unit, 207- pusher side signal processing unit plug-in unit, 208- the first pulses switch unit plug-in unit, 209- the second pulses switch unit Plug-in unit, 210- digital quantity input-output unit plug-in unit, 211- System Management Unit plug-in unit, 212- power supply processing unit plug-in unit, 213- backboard.
Specific embodiment
For the sake of quoting and understanding, will hereafter used in technical term, write a Chinese character in simplified form or abridge and be described below:
PCU:Pulse Convert Unit, the abbreviation of pulses switch unit plug-in unit；
APA:Analog Process A, the abbreviation of analog acquisition processing unit A；
APB:Analog Process B, the abbreviation of analog acquisition processing unit B；
LSC:Line Signal Card, the abbreviation of net side signal processing unit plug-in unit；
LCC:Line Control Card, net side control the abbreviation of plug-in unit；
MSC:Motor Signal Card, machine survey the abbreviation of signal processing unit plug-in unit；
MCC:Motor Control Card, the abbreviation of motor control plug-in unit；
ACC:Assist Control Card, the auxiliary abbreviation for becoming control plug-in unit；
SMC:System Manage Card, the abbreviation of system administration plug-in unit；
DIO:Digital Input and Output, the abbreviation of digital quantity input-output unit plug-in unit；
MVB:Multifunction Vehicle Bus, the abbreviation of multifunctional vehicle bus；
BCU:Brake Control Unit, the abbreviation of brak control unit；
DSP:Digital Signal Processor, the abbreviation of digital processing chip；
FPGA:Field Programmable Gate Array, the abbreviation of field programmable gate array；
CI: the abbreviation of traction convertor；
DCU:Drive Control Unit, the abbreviation of motion control unit；
VHDL:Very-High-Speed Integrated Circuit Hardware Description Language, the abbreviation of high-speed integrated circuit hardware description language；
PWM:Pulse Width Modulation, the abbreviation of pulse width modulation；
IGBT:Insulated Gate Bipolar Transistor, the abbreviation of insulated gate bipolar transistor.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is only It is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
As shown in attached drawing 1 to attached drawing 9, the specific implementation of electric car group current transformer control device of the present invention and system is given Example, the present invention will be further explained below with reference to the attached drawings and specific examples.
It as shown in Fig. 1, is traction convertor main circuit knot applied by electric car group current transformer control device of the present invention Structure block diagram.Traction convertor 10 includes main circuit breaker and contactor control circuit 1, current transformer, motion control unit 100(DCU), Brak control unit 200(BCU), current transformer further comprises rectification module 2, filtering intermediate DC circuit 3,4 and of inverter module Auxiliary change module 5.Main circuit breaker is inputted by transformer 8 from the single phase industrial frequence network voltage input signal of power grid 300 and is connect Tentaculum control circuit 1, wherein successively rectified module 2, filtering intermediate DC circuit 3, driving motor 7 after inverter module 4 all the way, Another way successively rectified module 2, filtering intermediate DC circuit 3, drive auxiliary varying load 6 after auxiliary change module 5.Wherein, transmission control Unit 100(DCU processed) it is the electric car group current transformer control device that the specific embodiment of the invention describes.
It as shown in Fig. 3, is a kind of structure function of specific embodiment of electric car group current transformer control system of the present invention Block diagram.A kind of specific embodiment of electric car group current transformer control system, comprising: control device of converter as described above, with And main circuit breaker and contactor control circuit 1, the rectification module 2, filtering intermediate DC circuit being connected with control device of converter 3, inverter module 4, auxiliary change module 5, motor 7 and transformer 8.Control device of converter (the motion control unit i.e. in attached drawing 100) it is divided on system function module composition are as follows: analogue unit processing circuit 101, pulse and fault-signal processing unit 102, Speed signal processing unit 103, inversion control unit 104, Commutation control unit 105, auxiliary change control unit 106, digital quantity are defeated Enter/output control unit 107 and System Management Unit 109.Inversion control unit 104, Commutation control unit 105, auxiliary change control It is real by parallel data bus line 108 between unit 106, digital quantity input/output control unit 107 and System Management Unit 109 Existing signal interconnection.
System structure corresponding to electric car group current transformer control device of the present invention forms, specific reality as shown in Fig. 2 It applies example electric car group current transformer control device has been divided into analog acquisition processing unit in a manner of functional unit plug-in unit and insert Part, pulses switch unit plug-in unit, net side signal processing unit plug-in unit 206, pusher side signal processing unit plug-in unit 207, real-time control Unit plug-in unit, digital quantity input-output unit plug-in unit 210 and System Management Unit plug-in unit 211.Wherein, specific corresponding relationship are as follows: Analogue unit processing circuit 101 corresponds to the first analog acquisition processing unit plug-in unit 204, the second analog acquisition processing unit Plug-in unit 205；Pulse and fault-signal processing unit 102 correspond to the first pulses switch unit plug-in unit 208, the second pulses switch list First plug-in unit 209；Speed signal processing unit 103 corresponds to pusher side signal processing unit plug-in unit 207；Inversion control unit 104 is right It should be in motor control plug-in unit 202；Commutation control unit 105 corresponds to net side and controls plug-in unit 201；Auxiliary change control unit 106 is corresponding Plug-in unit 203 is controlled in auxiliary change；Digital quantity input/output control unit 107 corresponds to digital quantity input-output unit plug-in unit 210； System Management Unit 109 corresponds to System Management Unit plug-in unit 211.
It as shown in Fig. 2, is a kind of system structure of specific embodiment of electric car group current transformer control device of the present invention Block diagram.A kind of specific embodiment of electric car group current transformer control device, comprising: analog acquisition processing unit plug-in unit, pulse Converting unit plug-in unit, net side signal processing unit plug-in unit 206, pusher side signal processing unit plug-in unit 207, real-time controlling unit are inserted Part, digital quantity input-output unit plug-in unit 210 and System Management Unit plug-in unit 211.The acquisition of analog acquisition processing unit plug-in unit From the voltage or current signal of power grid 300, transformer 8 and current transformer.Pulses switch unit plug-in unit is by real-time controlling unit After the control signal that plug-in unit issues exports after being converted to current transformer, and the element fault information for receiving current transformer is converted It exports to real-time controlling unit plug-in unit.Net side signal processing unit plug-in unit 206 is acquired according to analog acquisition processing unit plug-in unit The signal arrived is to real-time controlling unit plug-in unit output protection action signal, and according to the collected element of pulses switch unit plug-in unit Fault message executes protection act, while element fault information being exported to System Management Unit plug-in unit 211.Pusher side signal processing Speed signal from unit plug-in unit 207 to real-time controlling unit plug-in unit output motor 7, according to analog acquisition processing unit plug-in unit, The collected signal of pulses switch unit plug-in unit executes protection act, and corresponding information is exported to System Management Unit plug-in unit 211.Real-time controlling unit plug-in unit is according to analog acquisition processing unit plug-in unit, net side signal processing unit plug-in unit 206 and pusher side The output signal of signal processing unit plug-in unit 207 realizes the control and protection of current transformer.Digital quantity input-output unit plug-in unit 210 It realizes that main circuit breaker and contactor control circuit 1 control, and main circuit breaker and contactor status feedback signal is exported to system Administrative unit plug-in unit 211.System Management Unit plug-in unit 211, according to net side signal processing unit plug-in unit 206 and pusher side signal processing The signal that unit plug-in unit 207 exports carries out the control of traction/brake, and defeated to digital quantity input-output unit plug-in unit 210 Main circuit breaker and contactor control instruction out.It should be strongly noted that in view of length reason, in attached block diagram shown in Fig. 2 The repertoire of each functional unit plug-in unit is not showed that.
As shown in Fig. 4, analog acquisition processing unit plug-in unit acquires the power grid from voltage/current sensor 11 300,8 primary side of transformer, secondary side, rectification module 2, filtering intermediate DC circuit 3, inverter module 4 and it is auxiliary become module 5 voltage or Current signal is converted, Isolation, the processing such as amplification.Due to being also integrated with copped wave module in inverter module 4, Analog acquisition processing unit plug-in unit similarly acquires chopper current.
Analog acquisition processing unit plug-in unit further comprises 204 He of the first analog acquisition processing unit plug-in unit (APA) Second analog acquisition processing unit plug-in unit (APB) 205.First analog acquisition processing unit plug-in unit 204 and the second analog quantity Acquisition process unit plug-in unit 205 uses identical hardware configuration, includes signal conditioning unit, driving signal processing unit, puts Big device, sampling resistor and hooping position circuit.Pass through hooping position circuit from voltage, the current signal of external sensor to be limited, Sampling resistor is amplified after being sampled by amplifier, then is led to after signal conditioning unit carries out signal condition Shape correction Self-defined bus is crossed to export to backboard 213.Driving signal processing unit provides driving letter for external temperature, pressure sensor Number.
First analog acquisition processing unit plug-in unit 204 acquires the input electricity of the electric current of 8 primary side of transformer, rectification module 2 The DC voltage and temperature signal of stream, filtering intermediate DC circuit 3, and export to net side signal processing unit plug-in unit 206.Second Analog acquisition processing unit plug-in unit 205 acquires the electric current of motor 7, temperature, the chopper current of copped wave module in inverter module 4, Auxiliary electric current, the voltage signal for becoming module 5, the temperature of converter cabinet inside and outside and the hydraulic signal of current transformer water cooling plant, and It exports to pusher side signal processing unit plug-in unit 207.
As shown in Fig. 5, pulses switch unit plug-in unit (PCU), the control pulse that real-time controlling unit plug-in unit is issued are believed Number, enable signal and reset signal exported respectively by pulse distribution plate to corresponding rectification module 2, filter after carrying out level conversion Wave intermediate DC circuit 3, inverter module 4 and auxiliary change module 5.Pulses switch unit plug-in unit receives simultaneously rectifies mould from corresponding Block 2, filtering intermediate DC circuit 3, inverter module 4 and it is auxiliary become module 5 element fault information, carry out level conversion after export to The protection of real-time controlling unit plug-in unit realization element.The external electric interfaces of pulses switch unit plug-in unit can match according to actual needs It is set to optical signal or electric signal connection type.
Pulses switch unit plug-in unit further comprises that the first pulses switch unit plug-in unit 208 and the second pulses switch unit are inserted Part 209.First pulses switch unit plug-in unit 208 and the second pulses switch unit plug-in unit 209 use identical hardware configuration, wrap Include signal conversion unit one, signal conversion unit two and logic control element one.(IGBT) element fault signal is turned by signal It changes unit one and carries out level conversion, then by being exported by self-defined bus to back after the progress logical process of logic control element one Plate 213.It is exported after logic control element one carries out logical process to signal from the pulse signal of backboard 213 and converts list Member one carries out level conversion, externally exports PWM control wave.
After first pulses switch unit plug-in unit 208 will carry out level conversion from the element fault information of rectification module 2 Net side, which is transmitted to, by net side signal processing unit plug-in unit 206 controls plug-in unit 201.First 208 pairs of nets of pulses switch unit plug-in unit Side controls output after the control wave that plug-in unit 201 exports carries out level conversion and realizes rectification module 2 to rectification module 2 Control is protected with pulse blocking.
After second pulses switch unit plug-in unit 209 will carry out level conversion from the element fault information of inverter module 4 Motor control plug-in unit 202 is transmitted to by pusher side signal processing unit plug-in unit 207.Second pulses switch unit plug-in unit 209 is in the future It is auxiliary from being transmitted to after the auxiliary element fault information for becoming module 5 carries out level conversion by pusher side signal processing unit plug-in unit 207 Become control plug-in unit 203.Second pulses switch unit plug-in unit 209 carries out the control wave that motor control plug-in unit 202 exports Output realizes that the control of inverter module 4 and pulse blocking are protected to inverter module 4 after level conversion.Second pulses switch unit Plug-in unit 209 exports to auxiliary change module 5 auxiliary become after the control wave that control plug-in unit 203 exports carries out level conversion, realizes The auxiliary control for becoming module 5 and pulse blocking are protected.
As shown in Fig. 6, net side signal processing unit plug-in unit (LSC) 206 further comprises signal processing unit one, logic Control unit two and signal processing unit two.External network pressure signal, BCU signal and DCU synchronization signal passes through signal processing Unit one exports after being handled to logic control element two.From (IGBT) element (pipe) fault-signal of backboard 213, with And it is single by treated the rectification module voltage of signal processing unit two, the control of current signal input logic from backboard 213 Member two.After logic control element two is by carrying out logical process to above-mentioned signal, is exported and believed to backboard 213 by self-defined bus Number.
Voltage of the net side signal processing unit plug-in unit 206 to the power grid 300 from analog acquisition processing unit plug-in unit Signal, the input current signal of rectification module 2, transformer 8 primary current signal, and filtering intermediate DC circuit 3 in Between d. c. voltage signal, half voltage signal make corresponding protection act after being judged, and adopted simultaneously to from analog quantity The signal of collection processing unit plug-in unit exports after being filtered to real-time controlling unit plug-in unit.Net side signal processing unit plug-in unit 206 receive the 2 element fault information of rectification module from pulses switch unit plug-in unit, carry out phase according to the control strategy of setting The protection act answered realizes the protection of IGBT element fault, and all element fault information is exported to System Management Unit and is inserted Part 211.The threshold value of IGBT element fault protection can be arranged by the remote software of host computer, it can be achieved that signal processing channel And the self-checking function of protection threshold.
Net side signal processing unit plug-in unit 206 is filtered electric current, the voltage signal of power grid 300, shape after enhanced processing At network pressure instantaneous value, effective value signal, to realize the overvoltage protection of power grid 300.206 pairs of net side signal processing unit plug-in unit rectifications The input current signal of module 2 is filtered, forms current instantaneous value, over-current signal after enhanced processing, to realize rectification module 2 Input overcurrent protection.206 pairs of net side signal processing unit plug-in unit filtering intermediate DC circuit 3 middle dc voltage signal into Row filtering, enhanced processing are to form instantaneous voltage, over-voltage signal, to realize the overvoltage protection of filtering intermediate DC circuit 3.Net 206 pairs of side signal processing unit plug-in unit filtering intermediate DC circuits 3 intermediate dc half voltage signals be filtered, enhanced processing It is synthesized afterwards with middle dc voltage signal, forms major loop ground and judge signal, to realize that major loop ground is protected.Net side signal Processing unit plug-in unit 206 is filtered the primary current signal of transformer 8, amplifies, forming primary current wink after synthesis processing Duration, primary side over-current signal, primary side ground signalling, to realize primary side overcurrent, the ground protection of transformer 8.These signals are passing through Real-time controlling unit plug-in unit, while net side signal processing unit can be sent to by crossing after net side signal processing unit plug-in unit 206 is handled It is integrated with hardware comparison circuit on plug-in unit 206 and directly generates protection signal, more serious network signal can directly issue protection Movement, the secondary important network signal in part then need to pass through by real-time controlling unit plug-in unit or System Management Unit plug-in unit 211 Protection signal is issued again after crossing judgement.
Net side signal processing unit plug-in unit 206 is filtered the voltage signal of power grid 300, also generates net after enhanced processing Synchronization signal is pressed, is mutually passed with realizing with the network pressure synchronization signal of other control device of converter.Net side signal processing unit plug-in unit 206 also carry out signal interaction with brak control unit 200.It include more than one unsteady flow module in usual EMU, and it is multiple It just needs to utilize network pressure synchronization signal when unsteady flow module needs to work asynchronously.And the signal packet with 200 interface of brak control unit Include the signals such as electric braking force request, feedback and load signal.
As shown in Fig. 7, pusher side signal processing unit plug-in unit (MSC) 207 further comprises logic control element three, signal Processing unit three, signal processing unit four and power module.External motor velocity signal is carried out by signal processing unit three It exports after signal processing to logic control element three.From (IGBT) element (pipe) fault-signal of backboard 213, and come from In backboard 213 by treated the inverter module voltage, current signal input logic control unit three of signal processing unit four.It patrols After control unit three is collected by carrying out logical process to above-mentioned signal, believe to 213 output motor speed signal of backboard, element fault Breath, inverter module input current, chopper current signal etc..Power module provides work electricity for external motor speed sensor Source.
Pusher side signal processing unit plug-in unit 207 is the peripheral plug-in unit for realizing generator-side converter wear (i.e. inverter module 4) control, right Speed signal from motor 7 is handled, and motor velocity signal is exported to real-time controlling unit plug-in unit.Pusher side signal Processing unit plug-in unit 207 believes input current, the chopper current of the inverter module 4 from analog acquisition processing unit plug-in unit Number, and filtering intermediate DC circuit 3 middle dc voltage signal, half voltage signal carry out judgement and according to the control of setting Strategy makes corresponding protection act, while being filtered to the output signal of analog acquisition processing unit plug-in unit rear defeated Out to real-time controlling unit plug-in unit.Pusher side signal processing unit plug-in unit 207 receives the inversion from pulses switch unit plug-in unit Module 4 and the auxiliary IGBT element fault information for becoming module 5 carry out corresponding protection act according to the control strategy of setting, and will Element fault information is exported to System Management Unit plug-in unit 211.
Pusher side signal processing unit plug-in unit 207 is filtered the speed signal from motor 7 and multiselect one is handled, and Motor velocity signal is exported to motor control plug-in unit 202.Pusher side signal processing unit plug-in unit 207 is according to motor control plug-in unit The control signal of 202 outputs realizes the output overcurrent of inverter module 4, intermediate dc over-voltage, copped wave overcurrent, subordinate inverter output Overcurrent/over-voltage and three-phase imbalance protection.System Management Unit plug-in unit 211 operates pusher side signal processing unit plug-in unit 207 and generates Failure reset signal, to net side signal processing unit plug-in unit 206, pusher side signal processing unit plug-in unit 207, the first pulses switch list First plug-in unit 208, the second pulses switch unit plug-in unit 209 and rectification module 2, inverter module 4 and auxiliary change module 5 are resetted. The threshold value of IGBT element fault protection can be arranged by the remote software of host computer, it can be achieved that signal processing channel and protection The self-checking function of threshold.
As shown in Fig. 8, real-time controlling unit plug-in unit, according to analog acquisition processing unit plug-in unit, net side signal processing The signal generation that unit plug-in unit 206 and pusher side signal processing unit plug-in unit 207 export is respectively used to control rectification module 2, inversion Module 4 and the auxiliary PWM control wave for becoming module 5.According to net side signal processing unit plug-in unit 206 and pusher side signal processing list The element fault information that first plug-in unit 207 transmits carries out pulse blocking protection to rectification module 2, inverter module 4 and auxiliary change module 5.
Real-time controlling unit plug-in unit further comprises one block of net side control plug-in unit (LCC) 201, two blocks of motor control plug-in unit (MCC) 202 and one piece of auxiliary change control plug-in unit (ACC) 203.Net side controls plug-in unit 201, motor control plug-in unit 202 and auxiliary change control Plug-in unit 203 uses identical hardware configuration, includes ethernet module one, the first DSP, the 2nd DSP, four and of logic control element Signal processing unit five.By taking motor control plug-in unit 202 as an example, element fault information input logic in the form of rigid line information is controlled Unit four is exported respectively after the processing of logic control element four to the first DSP and the 2nd DSP.Motor speed, voltage, electric current, temperature It spends, the chopper current signal of inverter module exports after the processing of signal processing unit five to the 2nd DSP.First DSP is according to logic The output signal of control unit four carries out calculation processing, and exports pulse blocking protection letter to backboard 213 by self-defined bus Number.2nd DSP carries out calculation processing according to the output signal of signal processing unit five and the first DSP, and exports to backboard 213 inverse Become module control wave.
Net side controls plug-in unit 201 according to by the first analog acquisition processing unit plug-in unit 204 and net side signal processing list The electric current of first plug-in unit 206 treated 8 primary side of transformer, the input current of rectification module 2, filtering intermediate DC circuit 3 it is straight Stream voltage signal is calculated, and realizes the control algolithm including phaselocked loop, double-closed-loop control, PWM modulation, and it is whole to generate net side Pwm signal needed for flowing device (rectification module 2) control is realized rectification control function, is completed to rectification module 2(, that is, net side unsteady flow Device) real-time control.Net side controls plug-in unit 201 and passes through the element that backboard 213 transmits according to net side signal processing unit plug-in unit 206 Fault message carries out pulse blocking protection to rectification module 2.
Motor control plug-in unit 202 is according to by the second analog acquisition processing unit plug-in unit 205 and pusher side signal processing list The speed of first plug-in unit 207 treated motor 7, voltage, electric current, temperature, inverter module 4 chopper current calculated, realize Control algolithm including closed-loop control, PWM modulation, pwm signal needed for generating inverter (inverter module 4) control are real Existing motor control function is completed to inverter module 4(, that is, generator-side converter wear) real-time control, realize the control of motor 7.Motor control The element fault information that plug-in unit 202 processed is transmitted according to pusher side signal processing unit plug-in unit 207 by backboard 213 is to inverter module 4 Carry out pulse blocking protection.
Auxiliary change control plug-in unit 203 is according to by the second analog acquisition processing unit plug-in unit 205 treated auxiliary change module 5 Electric current, voltage signal calculated, realize control algolithm including closed-loop control, PWM modulation including, generation subordinate inverter Pwm signal needed for (auxiliary to become module 5) control, realizes auxiliary change Parallel Control function, completes the auxiliary Parallel Control for becoming module 5.It is auxiliary Become control plug-in unit 203 and the element fault information pair that backboard 213 transmits is passed through according to the second analog acquisition processing unit plug-in unit 205 Auxiliary change module 5 carries out pulse blocking protection.
Digital quantity input-output unit plug-in unit 210 will be from the main circuit breaker of main circuit breaker and contactor control circuit 1 And contactor status feedback signal is exported to System Management Unit plug-in unit 211, and is sent out to main circuit breaker and contactor control circuit 1 Contactor control instruction out.Wherein, it when main circuit breaker and charging short circuit contactor are that main circuit powers on, is patrolled according to different control Volume realize power-on impact current control, while according to the instruction of real-time controlling unit make protection jump main circuit breaker movement after, Make main circuit power down protection internal electric route, other breakers and contactor are also to realize similar function.Digital quantity is defeated Enter signal and carry out signal conversion by Phototube Coupling, the digital quantity of relay types is using contact control output, MOSFET type Digital output, rated capacity is big, can directly drive contactor coil.
As shown in Fig. 9, System Management Unit plug-in unit (SMC) 211 further comprises ethernet module two, processor, patrols Collect control unit five, CAN communication module and RS485 communication module.System Management Unit plug-in unit 211, according to by logic control The signal that treated the net side signal processing unit plug-in unit 206 of unit five and pusher side signal processing unit plug-in unit 207 export carries out The control of traction/brake exports start and stop control to rectification module 2, inverter module 4 and auxiliary change module 5 by self-defined bus Signal processed, and main circuit breaker and contactor control instruction are exported to digital quantity input-output unit plug-in unit 210.Meanwhile processor Information is also transmitted to host computer by ethernet module two.In addition, System Management Unit plug-in unit 211 is also used to realize cabinet AMS Bus management；Digital signal management and system control logic；It is communicated with the MVB of network system；RS232/RS485 serial communication； It is connected by Ethernet with vehicle interchanger, may make up real-time ethernet node；The software protection of the system failure；System failure note Record and real time monitoring；Each unit plug-in card program or the downloading of the single-point of parameter in control device of converter.
Control device of converter further includes backboard 213, and backboard 213 is inserted for realizing net side control plug-in unit 201, motor control Part 202, auxiliary change control plug-in unit 203, net side signal processing unit plug-in unit 206, pusher side signal processing unit plug-in unit 207, digital quantity Signal interconnection between input-output unit plug-in unit 210 and System Management Unit plug-in unit 211, backboard 213 use multi-functional coiling Formula cellular construction.Other functional unit plug-in units in control device are interconnected using the backboard 213 of multi-functional winding structure, The carrier of device internal data interaction is provided.Backboard 213 can meet the configurable of system according to the flexible coiling of practical demand for control It is required that.
Control device of converter further includes power supply processing unit plug-in unit 212, and power supply processing unit plug-in unit 212 is net side control Plug-in unit 201, motor control plug-in unit 202, auxiliary change control plug-in unit 203, the first analog acquisition processing unit plug-in unit 204, the second mould Analog quantity acquisition process unit plug-in unit 205, net side signal processing unit plug-in unit 206, pusher side signal processing unit plug-in unit 207, first Pulses switch unit plug-in unit 208, the second pulses switch unit plug-in unit 209, digital quantity input-output unit plug-in unit 210 and system pipes It manages unit plug-in unit 211 and rectification module 2, inverter module 4 and auxiliary change module 5 provides working power.It is embodied in the present invention In example, more pulses switch unit plug-in units can also be increased according to the needs of control object, such as: third pulses switch unit is inserted Part etc..DC/DC processing power supply inside power supply processing unit plug-in unit 212 can move to other lists for needing the required grade level power supplies It is realized inside first plug-in unit.Power supply processing unit plug-in unit 212 uses switching power supply dongle configuration, and external power supply is accessed panel Plug provides after transformed for each functional unit plug-in unit, fan layer, Current Voltage sensor, converter module in cabinet etc. DC power supply.
Net side controls plug-in unit 201, motor control plug-in unit 202, auxiliary change control plug-in unit 203, net side signal processing unit plug-in unit 206, pusher side signal processing unit plug-in unit 207, digital quantity input-output unit plug-in unit 210, between System Management Unit plug-in unit 211 It is communicated, can also be substituted using other dedicated parallel bus or other high-speed buses by parallel AMS data/address bus.
Digital signal processing unit in the control device of converter each unit plug-in unit of above-mentioned specific embodiment description can be with It is realized using floating type DSP, logic control element can realize that processor can use the place based on POWERPC using FPGA Device chip is managed, the external communication interface such as MVB, Ethernet is provided simultaneously with.Therefore, the control device of converter of above-mentioned plug-in unit composition, The real-time of electrical system four-quadrant rectifier, main convertor and AuCT may be implemented by the great ability of each processor Control sufficiently meets vehicle in traction/brake, logic control and communicate with train network, diagnoses and detect and error protection Etc. requirement.
In a specific embodiment of the present invention, the functional module of various types of interface signal processing unit plug-in units can be with Various forms of combinations are carried out according to the requirement of system control, only need the electric interfaces that changing unit plug-in unit is internal, external Realize corresponding control function.Such as: the speed signal processing unit function in pusher side signal processing unit plug-in unit 207 can also be complete Total transfer is to the first analog acquisition processing unit plug-in unit (APA) 204 or the second analog acquisition processing unit plug-in unit (APB) It is realized in 205.It is defeated that the troubleshooting of pulses switch unit plug-in unit (PCU) and pulse signal processing can also be transferred to digital quantity Enter and is realized in output unit plug-in unit (DIO) 210.The analog quantitys such as motor speed, voltage, electric current for realization basic control function It must acquire, the pulse signal and fault-signal of rectification and inverter module are also that must handle.And by increasing acquisition Pressure, the signals such as temperature then can preferably finishing device control precision and performance.Meanwhile at analog signal and digital signal Reason unit can also be used in mixed way.Therefore, those of ordinary skill in the art are familiar with using specific embodiment of the invention description The control device of the control device for any single object that control device is derived and other similar unit plug-in unit composition Within the protection category of this patent.
By implement the specific embodiment of the invention description electric car group current transformer control device and system, can reach with Lower technical effect:
(1) it is whole can to complete four-quadrant for the electric car group current transformer control device of specific embodiment of the invention description and system Device is flowed, Real Time Control Function and the control task division of labor of main convertor and AuCT are clearly clear, can satisfy vehicle and exist It traction/brake, logic control and communicated with train network, diagnose detection and the requirement of error protection etc.；
(2) the unit plug-in unit configurability of the electric car group current transformer control device of specific embodiment of the invention description is strong, It can be configured according to the demand of different control functions, derive different types of control device；Have outside abundant to connect Mouthful, the signal conditions such as voltage, electric current, temperature, pressure, contactor, the IGBT element of traction drive can be acquired in real time, it is real Now data interaction is completed with motor vehicle braking system, network system etc.；
(3) the electric car group current transformer control device of specific embodiment of the invention description uses the control unit knot of plug-in type Structure has man-machine interface abundant, and in malfunction elimination, product maintenance etc. is all more convenient；Meanwhile platform be easily used, System cost has been saved, current transformer space has been reduced, improves control integrated level, facilitates the manufacturing；
(4) the electric car group current transformer control device of specific embodiment of the invention description and system use highly integrated control Unit processed carries out system administration by system administration plug-in unit, has powerful managerial ability；
(5) the electric car group current transformer control device real-time controlling unit plug-in unit of specific embodiment of the invention description has strong The high-speed computation kernel of big data acquisition ability and operational capability, FPGA and DSP ensure that the speed of data processing, real-time By force；
(6) the electric car group current transformer control device software of specific embodiment of the invention description is easy to develop, this control is single What the DSP and FPGA that member is selected were used is all that C language and VHDL language general in control field are developed, very convenient journey The transplanting of sequence.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though So the present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art Member, in the case where not departing from Spirit Essence of the invention and technical solution, all using in the methods and techniques of the disclosure above Appearance makes many possible changes and modifications or equivalent example modified to equivalent change to technical solution of the present invention.Therefore, Anything that does not depart from the technical scheme of the invention are made to the above embodiment any simple according to the technical essence of the invention Modification, equivalent replacement, equivalence changes and modification, all of which are still within the scope of protection of the technical scheme of the invention.

Claims (11)

1. a kind of electric car group current transformer control device characterized by comprising analog acquisition processing unit plug-in unit, pulse Converting unit plug-in unit, net side signal processing unit plug-in unit (206), pusher side signal processing unit plug-in unit (207), real-time controlling unit Plug-in unit, digital quantity input-output unit plug-in unit (210) and System Management Unit plug-in unit (211)；The analog acquisition processing is single First plug-in unit acquisition is from power grid (300), the voltage or current signal of transformer (8) and current transformer；The pulses switch unit Plug-in unit is exported after being converted the control signal that the real-time controlling unit plug-in unit issues to the current transformer, and described in reception The element fault information of current transformer exports after being converted to the real-time controlling unit plug-in unit；The net side signal processing unit Plug-in unit (206) is exported according to the collected signal of analog acquisition processing unit plug-in unit to the real-time controlling unit plug-in unit Protection signal, and protection act is executed according to the collected element fault information of the pulses switch unit plug-in unit, simultaneously Element fault information is exported to the System Management Unit plug-in unit (211)；The pusher side signal processing unit plug-in unit (207) to The speed signal of the real-time controlling unit plug-in unit output motor (7), according to the analog acquisition processing unit plug-in unit, pulse The collected signal of converting unit plug-in unit executes protection act, and corresponding information is exported to the System Management Unit plug-in unit (211)；The real-time controlling unit plug-in unit is according to the analog acquisition processing unit plug-in unit, net side signal processing unit plug-in unit (206) and the output signal of pusher side signal processing unit plug-in unit (207) realizes the control and protection of the current transformer；The number It measures input-output unit plug-in unit (210) and realizes main circuit breaker and contactor control circuit (1) control, and by main circuit breaker and contact Device status feedback signal is exported to System Management Unit plug-in unit (211)；The System Management Unit plug-in unit (211), according to described Net side signal processing unit plug-in unit (206) and the signal of pusher side signal processing unit plug-in unit (207) output draw/brake spy Property control, and export main circuit breaker and contactor control instruction to the digital quantity input-output unit plug-in unit (210)；
The analog acquisition processing unit plug-in unit is acquired from the power grid (300) of voltage/current sensor (11), transformation Device (8) primary side, secondary side, rectification module (2), filtering intermediate DC circuit (3), inverter module (4) and the auxiliary voltage for becoming module (5) Or current signal；
The pulses switch unit plug-in unit, the control wave that the real-time controlling unit plug-in unit is issued carry out level conversion It is exported afterwards and respectively to the corresponding rectification module (2), filtering intermediate DC circuit (3), inverter module (4) and auxiliary change module (5)；It is received simultaneously from the correspondence rectification module (2), filtering intermediate DC circuit (3), inverter module (4) and auxiliary change mould The element fault information of block (5) exports to the real-time controlling unit plug-in unit protection for realizing element after carrying out level conversion；
The net side signal processing unit plug-in unit (206), to the power grid from the analog acquisition processing unit plug-in unit (300) in the primary current signal of the input current signal of voltage signal, rectification module (2), transformer (8), and filtering Between middle dc voltage signal, the half voltage signal of DC circuit (3) corresponding protection act is made after being judged, and simultaneously To output after being filtered from the signal of the analog acquisition processing unit plug-in unit to the real-time controlling unit Plug-in unit；Rectification module (2) element fault information from the pulses switch unit plug-in unit is received, according to the control plan of setting Corresponding protection act is slightly carried out, and the element fault information is exported to the System Management Unit plug-in unit (211)；
The pusher side signal processing unit plug-in unit (207), handles the speed signal from motor (7), and exports extremely Real-time controlling unit plug-in unit；To the input current of the inverter module (4) from the analog acquisition processing unit plug-in unit, cut Signal wave current, and middle dc voltage signal, the half voltage signal of filtering intermediate DC circuit (3) judge simultaneously basis The control strategy of setting makes corresponding protection act, at the same to the output signal of the analog acquisition processing unit plug-in unit into It exports after row filtering processing to the real-time controlling unit plug-in unit；Receive the inversion mould from the pulses switch unit plug-in unit Block (4) and auxiliary change module (5) element fault information carry out corresponding protection act according to the control strategy of setting, and will be described Element fault information is exported to the System Management Unit plug-in unit (211)；
The real-time controlling unit plug-in unit, according to the analog acquisition processing unit plug-in unit, net side signal processing unit plug-in unit (206) and the signal generation of pusher side signal processing unit plug-in unit (207) output is respectively used to control the rectification module (2), inverse Become module (4) and the auxiliary control wave for becoming module (5)；According to the net side signal processing unit plug-in unit (206) and pusher side The element fault information of signal processing unit plug-in unit (207) transmission is to the rectification module (2), inverter module (4) and auxiliary change mould Block (5) carries out pulse blocking protection；
The digital quantity input-output unit plug-in unit (210), will be disconnected from the master of main circuit breaker and contactor control circuit (1) Road device and contactor status feedback signal are exported to System Management Unit plug-in unit (211), and to the main circuit breaker and contactor Control circuit (1) issues contactor control instruction；
The System Management Unit plug-in unit (211), according to the net side signal processing unit plug-in unit (206) and pusher side signal processing The signal of unit plug-in unit (207) output carries out the control of traction/brake, Xiang Suoshu rectification module (2), inverter module (4) Start-up and shut-down control signal is exported with auxiliary change module (5), and exports main circuit breaker to the digital quantity input-output unit plug-in unit (210) And contactor control instruction.
2. electric car group current transformer control device according to claim 1, it is characterised in that: the analog acquisition processing Unit plug-in unit further comprises the first analog acquisition processing unit plug-in unit (204) and the second analog acquisition processing unit plug-in unit (205)；The first analog acquisition processing unit plug-in unit (204) acquires the electric current of transformer (8) primary side, the rectification The input current of module (2), the DC voltage and temperature signal for filtering intermediate DC circuit (3), and export to the net Side signal processing unit plug-in unit (206)；The second analog acquisition processing unit plug-in unit (205) acquires the motor (7) Electric current, temperature, the chopper current of copped wave module in the inverter module (4), auxiliary electric current, the voltage signal for becoming module (5), The temperature of converter cabinet inside and outside and the hydraulic signal of current transformer water cooling plant, and export to the pusher side signal processing list First plug-in unit (207).
3. electric car group current transformer control device according to claim 2, it is characterised in that: the real-time controlling unit is inserted Part further comprises net side control plug-in unit (201), motor control plug-in unit (202) and auxiliary change control plug-in unit (203)；
The net side controls plug-in unit (201), believes according to by the first analog acquisition processing unit plug-in unit (204) and net side The electric current of number processing unit plug-in unit (206) treated transformer (8) primary side, the rectification module (2) input current, The d. c. voltage signal of filtering intermediate DC circuit (3) is calculated, and realizes to include phaselocked loop, double-closed-loop control, PWM tune Control algolithm including system completes the real-time control to the rectification module (2)；According to the net side signal processing unit plug-in unit (206) the element fault information transmitted carries out pulse blocking protection to the rectification module (2)；
The motor control plug-in unit (202) is believed according to by the second analog acquisition processing unit plug-in unit (205) and pusher side The speed of number processing unit plug-in unit (207) treated the motor (7), voltage, electric current, temperature, the inverter module (4) Chopper current is calculated, and realizes the control algolithm including closed-loop control, PWM modulation, is completed to the inverter module (4) Real-time control, realize the control of the motor (7)；The element transmitted according to the pusher side signal processing unit plug-in unit (207) Fault message carries out pulse blocking protection to the inverter module (4)；
Auxiliary change control plug-in unit (203), according to treated by the second analog acquisition processing unit plug-in unit (205) Auxiliary electric current, the voltage signal for becoming module (5) is calculated, and realizes that the control including closed-loop control, PWM modulation is calculated Method completes the auxiliary Parallel Control for becoming module (5)；It is transmitted according to the second analog acquisition processing unit plug-in unit (205) Element fault information pulse blocking protection is carried out to the auxiliary change module (5).
4. electric car group current transformer control device according to claim 3, it is characterised in that: the pulses switch unit is inserted Part further comprises the first pulses switch unit plug-in unit (208) and the second pulses switch unit plug-in unit (209)；
The first pulses switch unit plug-in unit (208) will carry out electricity from the element fault information of the rectification module (2) Flat turn is transmitted to the net side by the net side signal processing unit plug-in unit (206) after changing and controls plug-in unit (201)；To the net Output is to the rectification module (2) after the control wave that side controls plug-in unit (201) output carries out level conversion, described in realization The control and pulse blocking of rectification module (2) are protected；
The second pulses switch unit plug-in unit (209) will carry out electricity from the element fault information of the inverter module (4) Flat turn by the pusher side signal processing unit plug-in unit (207) is transmitted to the motor control plug-in unit (202) after changing；It will be from The auxiliary element fault information for becoming module (5) passes through the pusher side signal processing unit plug-in unit (207) after carrying out level conversion It is transmitted to auxiliary change control plug-in unit (203)；Level is carried out to the control wave of the motor control plug-in unit (202) output Output realizes that the control of the inverter module (4) and pulse blocking are protected to the inverter module (4) after conversion；To described auxiliary Become control plug-in unit (203) output control wave carry out level conversion after output to the auxiliary change module (5), described in realization The auxiliary control for becoming module (5) and pulse blocking are protected.
5. electric car group current transformer control device according to claim 4, it is characterised in that: the control device of converter Further include backboard (213), the backboard (213) for realizing the net side control plug-in unit (201), motor control plug-in unit (202), Auxiliary change controls plug-in unit (203), net side signal processing unit plug-in unit (206), pusher side signal processing unit plug-in unit (207), digital quantity Signal interconnection between input-output unit plug-in unit (210) and System Management Unit plug-in unit (211), the backboard (213) use Multi-functional Wound-rotor type cellular construction.
6. electric car group current transformer control device according to claim 4 or 5, it is characterised in that: the current transformer control Device further includes power supply processing unit plug-in unit (212), and the power supply processing unit plug-in unit (212) is that the net side controls plug-in unit (201), motor control plug-in unit (202), auxiliary change control plug-in unit (203), the first analog acquisition processing unit plug-in unit (204), the Two analog acquisition processing unit plug-in units (205), net side signal processing unit plug-in unit (206), pusher side signal processing unit plug-in unit (207), the first pulses switch unit plug-in unit (208), the second pulses switch unit plug-in unit (209), digital quantity input-output unit Plug-in unit (210) and System Management Unit plug-in unit (211) and the rectification module (2), inverter module (4) and auxiliary change module (5) Working power is provided.
7. electric car group current transformer control device according to claim 6, it is characterised in that: the net side controls plug-in unit (201), motor control plug-in unit (202), auxiliary change control plug-in unit (203), net side signal processing unit plug-in unit (206), pusher side signal Processing unit plug-in unit (207), digital quantity input-output unit plug-in unit (210), between System Management Unit plug-in unit (211) by simultaneously Row AMS data/address bus is communicated.
8. according to claim 1 to 5,7 described in any item electric car group current transformer control devices, it is characterised in that: the net Side signal processing unit plug-in unit (206) is filtered electric current, the voltage signal of the power grid (300), is formed after enhanced processing Network pressure instantaneous value, effective value signal, to realize the overvoltage protection of the power grid (300)；To the input electricity of the rectification module (2) Stream signal is filtered, forms current instantaneous value, over-current signal after enhanced processing, to realize the input of the rectification module (2) Overcurrent protection；To the middle dc voltage signal of filtering intermediate DC circuit (3) is filtered, enhanced processing is to form electricity Instantaneous value, over-voltage signal are pressed, to realize the overvoltage protection of filtering intermediate DC circuit (3)；To the filtering intermediate dc The intermediate dc half voltage signal of circuit (3) is filtered, synthesizes after enhanced processing with the middle dc voltage signal, is formed Major loop ground judges signal, to realize that major loop ground is protected；The primary current signal of the transformer (8) is filtered Primary current instantaneous value, primary side over-current signal, primary side ground signalling are formed after wave, amplification, synthesis processing, to realize the transformation Primary side overcurrent, the ground protection of device (8).
9. electric car group current transformer control device according to claim 8, it is characterised in that: the net side signal processing list First plug-in unit (206) is filtered the voltage signal of the power grid (300), also generates network pressure synchronization signal after enhanced processing, with It realizes and is mutually passed with the network pressure synchronization signal of other control device of converter；The net side signal processing unit plug-in unit (206) also with Brak control unit (200) carries out signal interaction.
10. electric car group current transformer control device according to claim 9, it is characterised in that: the pusher side signal processing Unit plug-in unit (207) is filtered the speed signal from the motor (7) and handles with multiselect one, and exports to the electricity Machine controls plug-in unit (202)；The pusher side signal processing unit plug-in unit (207) exports according to the motor control plug-in unit (202) The output overcurrent of the control signal realization inverter module (4), intermediate dc over-voltage, copped wave overcurrent, subordinate inverter exported Stream/over-voltage and three-phase imbalance protection；The System Management Unit plug-in unit (211) operates the pusher side signal processing unit plug-in unit (207) failure reset signal is generated, to the net side signal processing unit plug-in unit (206), pusher side signal processing unit plug-in unit (207), the first pulses switch unit plug-in unit (208), the second pulses switch unit plug-in unit (209) and the rectification module (2), inverter module (4) and auxiliary change module (5) are resetted.
11. a kind of electric car group current transformer control system characterized by comprising as described in any one of claim 1 to 10 Control device of converter, and be connected with the control device of converter main circuit breaker and contactor control circuit (1), rectification Module (2), filtering intermediate DC circuit (3), inverter module (4), auxiliary change module (5), motor (7) and transformer (8).
CN201510261661.4A 2015-05-21 2015-05-21 Electric car group current transformer control device and system Active CN106300999B (en)

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CN110940883A (en) * 2019-12-12 2020-03-31 中车大连电力牵引研发中心有限公司 Portable intelligent detection system based on railway vehicle converter and conversion control unit
CN113037148B (en) * 2019-12-24 2022-07-19 中车永济电机有限公司 Converter and traction drive system
CN114063483B (en) * 2020-07-30 2024-04-02 株洲中车时代电气股份有限公司 Traction converter heterogeneous control system software reset restarting method and system
CN113696934B (en) * 2021-09-07 2023-05-23 广州电力机车有限公司 Locomotive speed abnormal fault processing method
CN114172125A (en) * 2021-11-24 2022-03-11 北京卫星制造厂有限公司 Power supply and distribution protection device for solid electronic switch

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