CN107193221A - A kind of flexible direct current transmission converter valve analogue system and method - Google Patents
A kind of flexible direct current transmission converter valve analogue system and method Download PDFInfo
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- CN107193221A CN107193221A CN201710624628.2A CN201710624628A CN107193221A CN 107193221 A CN107193221 A CN 107193221A CN 201710624628 A CN201710624628 A CN 201710624628A CN 107193221 A CN107193221 A CN 107193221A
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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
- G05B17/00—Systems involving the use of models or simulators of said systems
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
The present invention discloses a kind of flexible direct current transmission converter valve analogue system and method, is related to technical field of direct current power transmission, and dynamic characteristic during for working the flexible direct current transmission converter valve for being mixed with full bridge power module and half-bridge power module is analyzed and studied.The flexible direct current transmission converter valve analogue system includes：Flexible direct current transmission converter valve includes multiple power models, and power model can be equivalent to half-bridge power module or full bridge power module when working；Voltage detector detects the capacitance voltage of each power model；Protector is controlled to provide control signal for each power model, control signal is full-bridge control signal or half-bridge control signal；Signal loader is according to the capacitance voltage before the corresponding matched signal of power model reception for controlling the control signal of protector offer, voltage detector to detect; each control signal is converted to the matched signal matched with corresponding power model, and matched signal is inputed into corresponding power model.
Description
Technical field
The present invention relates to technical field of direct current power transmission, more particularly to a kind of flexible direct current transmission converter valve analogue system and side
Method.
Background technology
Technology of HVDC based Voltage Source Converter is a kind of based on voltage source converter, turn-off device and pulse modulation technology
VSC-HVDC technology.Compared with current source type HVDC Transmission Technology of the tradition based on IGCT, Technology of HVDC based Voltage Source Converter
Have the advantages that to communicate between high controllability, the convenient environmental protection of design and construction, the small and current conversion station of occupation of land, in regenerative resource simultaneously
There is obvious advantage, therefore, flexible DC power transmission in terms of net, distributed power generation are grid-connected, island with power, urban distribution network are powered
Technology is increasingly taken seriously.
The realization of Technology of HVDC based Voltage Source Converter usually requires to use flexible direct current transmission converter valve, in order to defeated to flexible direct current
Dynamic characteristic during electric converter valve work is analyzed and studied, generally by flexible direct current transmission converter valve analogue system come real
It is existing, however, in existing flexible direct current transmission converter valve analogue system, being typically only capable to only containing full bridge power module or half
The flexible direct current transmission converter valve of bridge power model is emulated, to realize to only containing full bridge power module or half-bridge power mould
Dynamic characteristic during the flexible direct current transmission converter valve work of block is analyzed and studied, and is difficult to being mixed with full bridge power mould
The flexible direct current transmission converter valve of block and half-bridge power module is emulated, to realize to being mixed with full bridge power module and half-bridge
Dynamic characteristic during the flexible direct current transmission converter valve work of power model is analyzed and studied.
The content of the invention
It is an object of the invention to provide a kind of flexible direct current transmission converter valve analogue system, for being mixed with full-bridge work(
Dynamic characteristic when rate module and the work of the flexible direct current transmission converter valve of half-bridge power module is analyzed and studied.
To achieve these goals, the present invention provides following technical scheme：
A kind of flexible direct current transmission converter valve analogue system, including：Flexible direct current transmission converter valve, the flexible direct current is defeated
Electric converter valve includes multiple power models, and can be equivalent to half-bridge power module, the power mould during power model work
Block can also be equivalent to full bridge power module when working, the power model includes output capacitance；Voltage detector, the voltage inspection
Survey device to be connected with each power model respectively, the voltage detector detects output capacitance described in each power model
Capacitance voltage；Protector is controlled, the control protector is connected with each power model respectively；It is described to control protector to be each
The power model provides control signal, and the control signal is full-bridge control signal or half-bridge control signal；Signal loader,
The signal loader is connected with the control protector, the voltage detector and each power model respectively；The letter
The power model that control signal that number loader is provided according to the control protector, the voltage detector are detected connects
The capacitance voltage of the output capacitance before corresponding matched signal is received, each control signal is converted to and the corresponding work(
The matched signal that rate module matches, and the matched signal is inputed into the corresponding power model.
Preferably, the power model also includes first switch pipe, second switch pipe, the 3rd switching tube, the 4th switching tube
With four diodes, wherein, the control end of the first switch pipe, the control end of the second switch pipe, it is described 3rd switch
The control end of pipe and the control end of the 4th switching tube are connected with the signal loader respectively；The first switch pipe it is defeated
Go out end to be connected with the output end of the 3rd switching tube, the output of the input of the first switch pipe and the second switch pipe
End connection, and power supply of the output end with the full-bridge circuit of the input of the first switch pipe and the second switch pipe
Input is connected；The input of 4th switching tube is connected with the input of the second switch pipe, the 4th switching tube
Output end be connected with the input of the 3rd switching tube, and the output end and the 3rd switching tube of the 4th switching tube
Power output end of the input with the full-bridge circuit be connected；Between the input and output end of the first switch pipe,
Between the input and output end of the second switch pipe, between the input of the 3rd switching tube and output end, described
A diode is parallel between the input and output end of four switching tubes；And the positive pole of the diode with it is corresponding
The input connection of the switching tube, the negative pole of the diode is connected with the output end of the corresponding switching tube；It is described defeated
Go out electric capacity to be connected in parallel between the input of the output end of the first switch pipe and the second switch pipe.
Preferably, the signal loader includes the first judge module, the second judge module, the 3rd judge module, input
Signal setting module and signal input module, wherein,
First judge module is connected with the voltage detector, and first judge module judges the voltage detecting
Whether the capacitance voltage that the power model that device is detected receives the output capacitance before corresponding matched signal is less than the work(
The startup threshold voltage of rate module；
Second judge module is connected with first judge module and the control protector respectively, and described second sentences
Disconnected module judges to learn that the power model that the voltage detector is detected receives corresponding in first judge module
When the capacitance voltage of the output capacitance is not less than the startup threshold voltage of the power model before matched signal, the control is judged
Whether protector makes the power model locking for the control signal that the power model is provided；
3rd judge module is protected with first judge module, second judge module and the control respectively
Device is connected, and the 3rd judge module judges to learn the work(that the voltage detector is detected in first judge module
Rate module receives startup threshold voltage of the capacitance voltage less than the power model of the output capacitance before corresponding matched signal
When, or, judge to learn the control signal for controlling protector to provide as the power model in second judge module
To make during the power model locking, or, judge to learn in second judge module and described control protector to be the power
The control signal that module is provided is when not making the power model locking, judges described to control what protector provided for the power model
Control signal is equivalent to full bridge power module when whether being and the power model is worked；
The input signal setting module respectively with the 3rd judge module, the control end of the first switch pipe, institute
The control end connection of the control end, the control end of the 3rd switching tube and the 4th switching tube of second switch pipe is stated, it is described
3rd judge module judges to learn that the power model that the voltage detector is detected is received in first judge module
When the capacitance voltage of the output capacitance is less than the startup threshold voltage of the power model before corresponding matched signal, or,
Second judge module, which judges to learn, described to be controlled protector for control signal that the power model is provided to make the power
During module locking, judge to learn and described control protector for control signal that the power model is provided to make the power model work
When being equivalent to full bridge power module, the matched signal that the input signal setting module sets the power model includes：Make institute
First switch pipe, the second switch pipe, the 3rd switching tube and the 4th switching tube is stated to be turned off；
Described in 3rd judge module judges to learn that the voltage detector detected in first judge module
Power model receives startup threshold value electricity of the capacitance voltage less than the power model of the output capacitance before corresponding matched signal
During pressure, or, judge to learn the control letter for controlling protector to provide as the power model in second judge module
Number described the control signal that protector is provided for the power model is controlled to make when making the power model locking, to judge to learn
When inequivalence is full bridge power module when stating power model work, the input signal setting module sets the power model
Matched signal includes：The first switch pipe, the second switch pipe, the 3rd switching tube are turned off, makes the described 4th
Switching tube is turned on；
3rd judge module judges to learn in second judge module described controls protector to be the power mould
The control signal that block is provided described controls protector to be provided as the power model when not making the power model locking, to judge to learn
Control signal to be equivalent to full bridge power module when the power model is worked when, input signal setting module setting should
The matched signal of power model is supplied to the control signal of the power model for the control protector；
3rd judge module judges to learn in second judge module described controls protector to be the power mould
The control signal that block is provided described controls protector to be provided as the power model when not making the power model locking, to judge to learn
Control signal when for inequivalence when making the power model work being full bridge power module, input signal setting module setting
The matched signal of the power model includes：It is the control to control the first switch pipe, the signal of the second switch pipe
Protector, which is supplied in the control signal of the power model, corresponds to the first switch pipe, the signal of the second switch pipe,
The 3rd switching tube is turned off, the 4th switching tube is turned on；
The signal input module is connected with the input signal setting module, and the signal input module is to each work(
Rate module inputs the corresponding matched signal.
Preferably, the flexible direct current transmission converter valve analogue system also includes signal output device, the signal output device
It is connected with the voltage detector, each power model reception pair that the signal output device is detected according to the voltage detector
The capacitance voltage of the output capacitance after the matched signal answered, exports the actual match voltage of each power model.
Preferably, the signal output device includes the 4th judge module, output signal setting module and signal output module,
Wherein,
4th judge module is connected with the voltage detector；4th judge module judges the voltage detecting
Whether the capacitance voltage that each power model that device is detected receives the output capacitance after corresponding matched signal is less than pair
The startup threshold voltage for the power model answered；
The output signal setting module is connected with the 4th judge module；4th judge module judges to learn institute
The capacitance voltage for stating the output capacitance after the corresponding matched signal of power model reception that voltage detector is detected is small
When the startup threshold voltage of the power model, the output signal setting module sets the actual match voltage of the power model
For 0V；
4th judge module judges to learn that the power model that the voltage detector is detected receives corresponding
When the capacitance voltage of the output capacitance is not less than the startup threshold voltage of the power model after matched signal, the output signal
The power model reception pair that the actual match voltage that setting module sets the power model is detected by the voltage detector
The capacitance voltage of the output capacitance after the matched signal answered；
The signal output module is connected with the output signal setting module, and the signal output module output is described defeated
Go out the actual match voltage of each power model of signal setting module setting.
In the flexible direct current transmission converter valve analogue system that the present invention is provided, by the work(in flexible direct current transmission converter valve
Rate module is set as operationally being equivalent to full bridge power module or half-bridge power module, by signal loader according to control
The power model that the control signal and voltage detector that protector is provided are detected receives described defeated before corresponding matched signal
Go out the capacitance voltage of electric capacity, each control signal is converted to the matched signal matched with corresponding power model, and will matching
Signal inputs to corresponding power model, power model is operated in the state required by control protector, so as to realize pair
The flexible transmission converter valve for being mixed with full bridge power module and half-bridge power module is emulated, so as to being mixed with full bridge power
Module and the flexible transmission converter valve of half-bridge power module are analyzed and studied.
It is an object of the invention to provide a kind of flexible direct current transmission converter valve emulation mode, for being mixed with full-bridge work(
Offer is analyzed and studied to dynamic characteristic when rate module and the work of the flexible direct current transmission converter valve of half-bridge power module just
Profit.
To achieve these goals, the present invention provides following technical scheme：
A kind of flexible direct current transmission converter valve emulation mode, including：
Protector is controlled to provide control signal for each power model in flexible direct current transmission converter valve；
Voltage detector detects the capacitance voltage of output capacitance in each power model；
Signal loader is according to being detected the control signal, the voltage detector that the control protector is provided
Power model receives the capacitance voltage of the output capacitance before corresponding matched signal, by each control signal be converted to it is right
The matched signal that the power model answered matches, and the matched signal is inputed into the corresponding power model.
Preferably, signal loader is converted to each control signal matched with the corresponding power model
The corresponding power model is inputed to signal, and by the matched signal, including：
First judge module judges that the power model that the voltage detector is detected receives corresponding matched signal
Whether the capacitance voltage of the preceding output capacitance is less than the startup threshold voltage of the power model；
When first judge module judges to learn that the power model that the voltage detector is detected receives correspondence
Matched signal before the output capacitance capacitance voltage be not less than the power model startup threshold voltage when, second judges mould
Block judges whether the control signal for controlling protector to be provided for the power model makes the power model locking；
When first judge module judges to learn that the power model that the voltage detector is detected receives correspondence
Matched signal before the capacitance voltage of output capacitance when being less than the startup threshold voltage of the power model, or, described the
Two judge modules, which judge to learn, described to be controlled protector for control signal that the power model is provided to close the power model
During lock, or, second judge module judges to learn the control signal for controlling protector to provide as the power model
Not make during the power model locking, the 3rd judge module judges the control for controlling protector to be provided for the power model letter
Number whether be make the power model work when be equivalent to full bridge power module；
When first judge module judges to learn that the power model that the voltage detector is detected receives correspondence
Matched signal before the output capacitance capacitance voltage be less than the power model startup threshold voltage, and it is described 3rd judge
Module judges to learn described equivalent when controlling protector for control signal that the power model is provided to make the power model work
During for full bridge power module, or, described control protector to be the power model when second judge module judges to learn
The control signal of offer is makes the power model locking, and the 3rd judge module judges to learn and described controls protector as this
When the control signal that power model is provided is is equivalent to full bridge power module when the power model is worked, input signal setting mould
The matched signal that block sets the power model includes：Make first switch pipe, second switch pipe, the 3rd switching tube and the 4th switching tube
It is turned off；
When first judge module judges to learn that the power model that the voltage detector is detected receives correspondence
Matched signal before the output capacitance capacitance voltage be less than the power model startup threshold voltage, and it is described 3rd judge
Module, which judges to learn, described to be controlled protector for control signal that the power model is provided to make during the power model work
When inequivalence is full bridge power module, or, described control protector to be the work(when second judge module judges to learn
The control signal that rate module is provided is makes the power model locking, and the 3rd judge module judges to learn the control protection
When device is that inequivalence is full bridge power module when making the power model work for the control signal that the power model is provided, institute
Stating input signal setting module and setting the matched signal of the power model includes：Make the first switch pipe, the second switch
Pipe, the 3rd switching tube are turned off, and turn on the 4th switching tube；
When second judge module judges to learn the control signal for controlling protector to provide as the power model
Not make the power model locking, and the 3rd judge module judges to learn and described controls protector to be provided as the power model
Control signal to be equivalent to full bridge power module when the power model is worked when, input signal setting module setting should
The matched signal of power model is supplied to the control signal of the power model for the control protector；
When second judge module judges to learn the control signal for controlling protector to provide as the power model
Not make the power model locking, and the 3rd judge module judges to learn and described controls protector to be provided as the power model
Control signal when for inequivalence when making the power model work being full bridge power module, input signal setting module setting
The matched signal of the power model includes：It is the control to control the first switch pipe, the signal of the second switch pipe
Protector, which is supplied in the control signal of the power model, corresponds to the first switch pipe, the signal of the second switch pipe,
The 3rd switching tube is turned off, the 4th switching tube is turned on；
Signal input module inputs the corresponding matched signal to each power model.
Preferably, signal loader is converted to each control signal matched with the corresponding power model
With signal, and the step of the matched signal is inputed into the corresponding power model after, the flexible DC power transmission is changed
Stream valve emulation mode also includes：
Each power model that signal output device is detected according to the voltage detector receives the corresponding matching
The capacitance voltage of the output capacitance after signal, exports the actual match voltage of each power model.
Preferably, signal output device exports the actual match voltage of each power model, including：
4th judge module judges that each power model that the voltage detector is detected receives corresponding described
Whether the capacitance voltage with the output capacitance after signal is less than the startup threshold voltage of the corresponding power model；
When the 4th judge module judges to learn each power model reception pair that the voltage detector is detected
The capacitance voltage of the output capacitance is less than the startup threshold voltage of the corresponding power model after the matched signal answered
When, output signal setting module sets the actual match voltage of the power model as 0V；
When the 4th judge module judges to learn that the power model that the voltage detector is detected receives correspondence
The matched signal after the output capacitance capacitance voltage be not less than the power model startup threshold voltage when, it is described defeated
Go out signal setting module and set the power model that the actual match voltage of the power model is detected by the voltage detector
Receive the capacitance voltage of the output capacitance after the corresponding matched signal；
Signal output module exports the actual match voltage of the power model of the output signal setting module setting.
The flexible direct current transmission converter valve emulation mode is with above-mentioned flexible DC power transmission analogue system relative to existing skill
Art has the advantage that identical, will not be repeated here.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention；
Fig. 2 is the structural representation of power model in flexible direct current transmission converter valve in Fig. 1；
Fig. 3 is the flow chart of flexible direct current transmission converter valve emulation mode provided in an embodiment of the present invention；
The flow chart that Fig. 4 is step S300 in Fig. 3；
The flow chart that Fig. 5 is step S400 in Fig. 3.
Reference：
10- flexible direct current transmission converter valves, 11- power models,
12- first switch pipes, 13- second switch pipes,
The switching tubes of 14- the 3rd, the switching tubes of 15- the 4th,
16- output capacitances, 17- diodes,
20- voltage detectors, 30- control protectors,
40- signal loaders, the judge modules of 41- first,
The judge modules of 42- second, the judge modules of 43- the 3rd,
44- input signal setting modules, 45- signal input modules,
50- signal output devices, the judge modules of 51- the 4th,
52- output signal setting modules, 53- signal output modules.
Embodiment
In order to further illustrate flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention and method, below
It is described in detail with reference to Figure of description.
Fig. 1 and Fig. 2 are referred to, flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention includes：It is flexible
Direct-current transmission converter valve 10, flexible direct current transmission converter valve 10 includes multiple power models 11, and can during the work of power model 11
Half-bridge power module is equivalent to, power model 11 can also be equivalent to full bridge power module when working, power model 11 includes output
Electric capacity 16；Voltage detector 20, voltage detector 20 is connected with each power model 11 respectively, and voltage detector 20 detects each power
The capacitance voltage of output capacitance 16 in module 11；Protector 30 is controlled, control protector 30 is connected with each power model 11 respectively；
It is that each power model 11 provides control signal to control protector 30, and control signal is full-bridge control signal or half-bridge control signal；
Signal loader 40, signal loader 40 is connected with control protector 30, voltage detector 20 and each power model 11 respectively；Letter
The power model 11 that control signal that number loader 40 is provided according to control protector 30, voltage detector 20 are detected is received pair
The capacitance voltage of output capacitance 16 before the matched signal answered, each control signal is converted to and matched with corresponding power model 11
Matched signal, and matched signal is inputed into corresponding power model 11.
For example, flexible direct current transmission converter valve 10 includes multiple power models 11, when each power model 11 works
Half-bridge power module or full bridge power module can be equivalent to, i.e., each power model 11 can both be equivalent to half-bridge work(when working
Rate module, can also be equivalent to full bridge power module, power model 11 includes output capacitance 16, defeated when power model 11 works
The capacitance voltage for going out electric capacity 16 may be considered the output voltage of power model 11.When needing using provided in an embodiment of the present invention
Flexible direct current transmission converter valve analogue system is changed the flexible DC power transmission for being mixed with full bridge power module and half-bridge power module
When stream valve 10 is emulated, then protector 30 is controlled to provide multiple control signal, each control signal correspondence flexible DC power transmission
A power model 11 in converter valve 10, that is, it is that each power model 11 provides corresponding control signal to control protector 30, is controlled
In the multiple control signal that protector 30 processed is provided, wherein at least one control signal is full-bridge control signal, at least one control
Signal processed is half-bridge control signal, and wherein full-bridge control signal represents to be equivalent to full-bridge work(when making corresponding power model 11 work
Rate module, half-bridge control signal represents to be equivalent to half-bridge power module when making corresponding power model 11 work；Then, voltage is examined
Survey device 20 and then detect that each power model 11 receives the capacitance voltage of output capacitance 16 before corresponding matched signal, now, each power
Module 11 receives the capacitance voltage of output capacitance 16 before corresponding matched signal and is receiving corresponding matching for each power model 11
The capacitance voltage of output capacitance 16 before signal；Then, signal loader 40 then according to control protector 30 provide control signal,
, will and the power model 11 that detects of voltage detector 20 receives the capacitance voltage of output capacitance 16 before corresponding matched signal
Each control signal is converted to the matched signal matched with corresponding power model 11, and matched signal is inputed into corresponding work(
Rate module 11, i.e. the module equivalent when needing power model 11 to work according to control protector 30 of signal loader 40, power
The current state of module 11, control signal is converted to the matched signal matched with corresponding power model 11, and will matching
Signal inputs to corresponding power model 11, power model 11 is worked, in multiple power models 11, wherein at least one power
Module 11 is equivalent to half-bridge power module when working, and at least one power model 11 is equivalent to full bridge power module when working, profit
With the test data to power model 11, the power model 11 that such as voltage detector 20 is detected receives corresponding matched signal
The capacitance voltage of output capacitance 16 afterwards, with the flexible DC power transmission change of current to being mixed with full bridge power module and half-bridge power module
Valve 10 is analyzed and studied.
When need using flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention to only contain full-bridge work(
When the flexible direct current transmission converter valve 10 of rate module is emulated, then protector 30 is controlled to provide multiple control signal, each control
A power model 11 in signal correspondence flexible direct current transmission converter valve 10 processed, that is, it is each power model 11 to control protector 30
There is provided in corresponding control signal, the multiple control signal that control protector 30 is provided, all control signals are full-bridge control
Signal processed；Then, voltage detector 20 then detects that each power model 11 receives the electricity of output capacitance 16 before corresponding matched signal
Hold voltage；Then, the control signal and voltage detector 20 that signal loader 40 is then provided according to control protector 30 are detected
To power model 11 receive the capacitance voltage of output capacitance 16 before corresponding matched signal, by each control signal be converted to it is right
The matched signal that the power model 11 answered matches, and matched signal is inputed into corresponding power model 11, make power model
11 work, wherein all power models 11 are equivalent to full bridge power module when working, utilize the test to power model 11
The power model 11 that data, such as voltage detector 20 are detected receives the electric capacity electricity of output capacitance 16 before corresponding matched signal
Pressure, so that the flexible direct current transmission converter valve 10 only containing full bridge power module is analyzed and studied.
When need using flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention to only contain half-bridge work(
When the flexible direct current transmission converter valve 10 of rate module is emulated, then protector 30 is controlled to provide multiple control signal, each control
A power model 11 in signal correspondence flexible direct current transmission converter valve 10 processed, that is, it is each power model 11 to control protector 30
There is provided in corresponding control signal, the multiple control signal that control protector 30 is provided, all control signals are half-bridge control
Signal processed；Then, voltage detector 20 then detects that each power model 11 receives the electricity of output capacitance 16 before corresponding matched signal
Hold voltage；Then, the control signal and voltage detector 20 that signal loader 40 is then provided according to control protector 30 are detected
To power model 11 receive the capacitance voltage of output capacitance 16 before corresponding matched signal, by each control signal be converted to it is right
The matched signal that the power model 11 answered matches, and matched signal is inputed into corresponding power model 11, make power model
11 work, wherein all power models 11 are equivalent to half-bridge power module when working, utilize the test to power model 11
The power model 11 that data, such as voltage detector 20 are detected receives the electric capacity electricity of output capacitance 16 after corresponding matched signal
Pressure, so that the flexible direct current transmission converter valve 10 only containing half-bridge power module is analyzed and studied.
, will in flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention it can be seen from above-mentioned analysis
Power model 11 in flexible direct current transmission converter valve 10 is set as operationally being equivalent to full bridge power module or half-bridge work(
Rate module, the control signal and voltage detector 20 provided by signal loader 40 according to control protector 30 is detected
Power model 11 receive the capacitance voltage of output capacitance 16 before corresponding matched signal, by each control signal be converted to it is corresponding
The matched signal that matches of power model 11, and matched signal is inputed into corresponding power model 11, makes power model 11
The state required by control protector 30 is operated in, so as to realize to being mixed with full bridge power module and half-bridge power module
Flexible transmission converter valve is emulated, so as to the flexible transmission converter valve to being mixed with full bridge power module and half-bridge power module
Analyzed and studied.
In addition, in flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention, flexible DC power transmission is changed
Power model 11 in stream valve 10 can be equivalent to full bridge power module or half-bridge power module when working, and therefore, utilize the present invention
The flexible direct current transmission converter valve analogue system that embodiment is provided is to being mixed with the soft of full bridge power module and half-bridge power module
When property current transmission valve is emulated, without flexible direct current transmission converter valve 10 is divided into only changing containing full bridge power module
Valve and the only converter valve containing half-bridge power module are flowed, i.e., need not increase simulation hardware equipment, is reduced to being mixed with full bridge power
Cost when module and the flexible transmission converter valve of half-bridge power module are emulated.
Furthermore, in flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention, flexible DC power transmission is changed
Power model 11 in stream valve 10 can be equivalent to full bridge power module or half-bridge power module when working, and therefore, utilize the present invention
The flexible direct current transmission converter valve analogue system that embodiment is provided, can also be changed the flexible transmission only containing full bridge power module
Stream valve is emulated, and the flexible transmission converter valve only containing half-bridge power module is emulated, so as to improve this
The applicability for the flexible direct current transmission converter valve analogue system that inventive embodiments are provided.
Referring to Fig. 2, power model 11 is full-bridge circuit module, power model 11 is opened including first switch pipe 12, second
Pipe 13, the 3rd switching tube 14, the 4th switching tube 15, output capacitance 16 and four diodes 17 are closed, wherein, first switch pipe 12
Control end, the control end of second switch pipe 13, the control end of the control end of the 3rd switching tube 14 and the 4th switching tube 15 respectively with
Signal loader 40 is connected；The output end of first switch pipe 12 is connected with the output end of the 3rd switching tube 14, first switch pipe 12
Input be connected with the output end of second switch pipe 13, and the output of the input and second switch pipe 13 of first switch pipe 12
End is connected with the power input P of full-bridge circuit；The input of 4th switching tube 15 connects with the input of second switch pipe 13
Connect, the output end of the 4th switching tube 15 is connected with the input of the 3rd switching tube 14, and the output end of the 4th switching tube 15 and
The input of three switching tubes 14 is connected with the power output end N of full-bridge circuit；The input and output end of first switch pipe 12
Between, between the input of second switch pipe 13 and output end, between the input of the 3rd switching tube 14 and output end, the 4th open
A diode 17 is parallel between the input and output end that close pipe 15；And the positive pole of diode 17 and corresponding switching tube
Input connection, the output end connection of the negative pole of diode 17 and corresponding switching tube；Output capacitance 16 is connected in parallel on first and opened
Close between the output end of pipe 12 and the input of second switch pipe 13.
First switch pipe 12, second switch pipe 13, the 3rd switching tube 14 and the 4th switching tube 15 can be brilliant for field-effect
Body pipe (Field Effect Transistor, FET), for example, can be Metal-Oxide Semiconductor FET (metal-
Oxide semiconductor FET, MOS-FET), now, the grid of first switch pipe 12, the grid of second switch pipe 13,
The grid of 3rd switching tube 14 and the grid of the 4th switching tube 15 are connected with signal loader 40 respectively；The leakage of first switch pipe 12
Pole is connected with the drain electrode of the 3rd switching tube 14, and the source electrode of first switch pipe 12 is connected with the drain electrode of second switch pipe 13, and first
The drain electrode of the source electrode and second switch pipe 13 of switching tube 12 is connected with the power input P of full-bridge circuit；4th switching tube 15
Source electrode be connected with the source electrode of second switch pipe 13, the drain electrode of the 4th switching tube 15 is connected with the source electrode of the 3rd switching tube 14, and
The drain electrode of 4th switching tube 15 and the source electrode of the 3rd switching tube 14 are connected with the power output end N of full-bridge circuit；First switch
Between the source electrode of pipe 12 and drain electrode, between the source electrode of second switch pipe 13 and drain electrode, the source electrode of the 3rd switching tube 14 and drain it
Between, between the source electrode of the 4th switching tube 15 and drain electrode be parallel with a diode 17；And the positive pole of diode 17 with it is corresponding
The source electrode connection of switching tube, the negative pole of diode 17 is connected with the drain electrode of corresponding switching tube；Output capacitance 16 is connected in parallel on first
Between the drain electrode of switching tube 12 and the source electrode of second switch pipe 13.
When the control signal for controlling protector 30 to be provided to power model 11 is full-bridge control signal, full-bridge control signal bag
Include the signal of control first switch pipe 12, second switch pipe 13, the 3rd switching tube 14 and the on or off of the 4th switching tube 15, control
When the control signal that protector 30 processed is provided to power model 11 is half-bridge control signal, half-bridge control signal includes control first
The signal of switching tube 12 and the on or off of second switch pipe 13；Signal loader 40 by full-bridge control signal be converted to it is corresponding
Power model 11 match matched signal when, the matched signal includes control first switch pipe 12, second switch pipe 13, the
The signal of three switching tubes 14 and the on or off of the 4th switching tube 15, signal loader 40 by half-bridge control signal be converted to it is right
During the matched signal that the power model 11 answered matches, the matched signal includes control first switch pipe 12 and second switch pipe 13
The signal of on or off and the signal for turning off the 3rd switching tube 14, turning on the 4th switching tube 15, now power model
Half-bridge power module is equivalent to during 11 work.
Please continue to refer to Fig. 1, in embodiments of the present invention, signal loader 40 is sentenced including the first judge module 41, second
Disconnected module 42, the 3rd judge module 43, input signal setting module 44 and signal input module 45.
First judge module 41 is connected with voltage detector 20, and the first judge module 41 judges that voltage detector 20 is detected
Power model 11 receive the capacitance voltage of output capacitance 16 before corresponding matched signal and whether be less than the power model 11 and opening
Dynamic threshold voltage, the first judge module 41 judges to learn that the power model 11 that voltage detector 20 is detected receives corresponding matching
When the capacitance voltage of output capacitance 16 is less than the startup threshold voltage of the power model 11 before signal, then the power model 11 does not have
Power input, the power model 11 must not electrically activated, and the first judge module 41 judges to learn the work(that voltage detector 20 is detected
Rate module 11 receives startup threshold value of the capacitance voltage not less than the power model 11 of output capacitance 16 before corresponding matched signal
During voltage, i.e. the first judge module 41 judges to learn that the power model 11 that voltage detector 20 is detected receives corresponding matching letter
When the capacitance voltage of output capacitance 16 is more than or equal to the startup threshold voltage of the power model 11 before number, then the power model 11
There is power input, the power model 11 must be electrically activated.
Second judge module 42 is connected with the first judge module 41 and control protector 30 respectively, and the second judge module 42 exists
First judge module 41 judges to learn that the power model 11 that voltage detector 20 is detected receives output before corresponding matched signal
When the capacitance voltage of electric capacity 16 is not less than the startup threshold voltage of the power model 11, judge control protector 30 for the power mould
Whether the control signal that block 11 is provided makes the locking of power model 11, i.e., when power model 11 must be electrically activated, and second judges
Module 42 judges whether control protector 30 makes the locking of power model 11 for the control signal that the power model 11 is provided.Also may be used
To be interpreted as, the second judge module 42 judges to control protector 30 to be whether the control signal that power model 11 is provided is to make power
First switch pipe 12, second switch pipe 13, the 3rd switching tube 14 and the 4th switching tube 15 are turned off in module 11, when the second judgement
Module 42 judges to learn control signal to make first switch pipe 12 in power model 11, second switch pipe 13, the 3rd switching tube 14
When being turned off with the 4th switching tube 15, then show to control protector 30 to be that the control signal that the power model 11 is provided makes the power
The locking of module 11；Second judge module 42 judges whether control protector 30 only includes for the control signal that power model 11 is provided
It is turned off first switch pipe 12 and second switch pipe 13 in power model 11, when the second judge module 42 judges to learn control letter
Number only include making when first switch pipe 12 and second switch pipe 13 are turned off in power model 11, then showing that control protector 30 is
The control signal that the power model 11 is provided makes the locking of power model 11.
3rd judge module 43 is connected with the first judge module 41, the second judge module 42 and control protector 30 respectively,
When the first judge module 41 judges to learn that the power model 11 that voltage detector 20 is detected receives defeated before corresponding matched signal
When the capacitance voltage for going out electric capacity 16 is less than the startup threshold voltage of the power model 11, or, when the second judge module 42 judges
Learn control protector 30 be power model 11 provide control signal for make 11 locking of power model when, or, when second
Judge module 42 judges to learn that control protector 30 is the control signal that provides of power model 11 to close the power model 11
During lock, the 3rd judge module 43 judges to control protector 30 to be whether the control signal that the power model 11 is provided is to make the power
Module 11 is equivalent to full bridge power module when working.It is also understood that when the first judge module 41 judges to learn voltage detecting
The capacitance voltage that the power model 11 that device 20 is detected receives output capacitance 16 before corresponding matched signal is less than the power model
During 11 startup threshold voltage, or, when the second judge module 42 judges to learn that control protector 30 provides as power model 11
Control signal for make 11 locking of power model when, or, when the second judge module 42 judge learn control protector 30 be
The control signal that power model 11 is provided is when not making 11 locking of power model, the 3rd judge module 43 judges control protector
30 are whether the control signal that the power model 11 is provided is full-bridge control signal, that is, control protector 30 to be the power model 11
Whether the control signal of offer includes control first switch pipe 12, second switch pipe 13, the 3rd switching tube 14 and the 4th switching tube
15 conductings or relation, if it is, showing to control protector 30 to be that the control signal that the power model 11 is provided is full-bridge control
Signal, control protector 30 is that the control signal that the power model 11 is provided is equivalent to full-bridge when being and the power model 11 is worked
Power model, if it is not, then show to control protector 30 to be that the control signal that the power model 11 is provided is half-bridge control signal,
Control protector 30 is that the control signal that the power model 11 is provided is equivalent to half-bridge power when being and the power model 11 is worked
Module.
Input signal setting module 44 respectively with the 3rd judge module 43, the control end of first switch pipe 12, second switch
The control end connection of the control end of pipe 13, the control end of the 3rd switching tube 14 and the 4th switching tube 15.When the first judge module 41
Judgement learns that the power model 11 that voltage detector 20 is detected receives the electric capacity electricity of output capacitance 16 before corresponding matched signal
Pressure is less than the startup threshold voltage of the power model 11, and the 3rd judge module 43 judges to learn that control protector 30 is the power
When the control signal that module 11 is provided is is equivalent to full bridge power module when the power model 11 is worked, or, sentence when second
Disconnected module 42 judges to learn the control signal for controlling protector 30 to be the offer of power model 11 to make during 11 locking of power model,
And the 3rd judge module 43 judge to learn that control protector 30 is the control signal that provides of the power model 11 to make the power mould
When block 11 is equivalent to full bridge power module when working, input signal setting module 44 sets the matched signal bag of the power model 11
Include：It is turned off first switch pipe 12, second switch pipe 13, the 3rd switching tube 14 and the 4th switching tube 15, for example, it is assumed that " 1 "
Conducting is represented, " 0 " represents shut-off, then the matched signal of the setting of input signal setting module 44 power model 11 includes：S1=
S2=S3=S4=0；When the first judge module 41 judges to learn that the power model 11 that voltage detector 20 is detected receives correspondence
Matched signal before the capacitance voltage of output capacitance 16 be less than the startup threshold voltage of the power model 11, and the 3rd judge module
43 judge to learn that control protector 30 is the control signal that provides of the power model 11 to make during the power model 11 work
When imitating as full bridge power module (that is, being equivalent to half-bridge power module when the power model 11 is worked), or, when the second judgement
Module 42 judges to learn the control signal for controlling protector 30 to be the offer of power model 11 to make during 11 locking of power model, and
3rd judge module 43 judges to learn that control protector 30 is the control signal that provides of the power model 11 to make the power model
It is defeated when inequivalence is full bridge power module (that is, being equivalent to half-bridge power module when making the power model 11 work) during 11 work
Enter signal setting module 44 set the power model 11 matched signal include：Make first switch pipe 12, second switch pipe 13,
Three switching tubes 14 are turned off, and turn on the 4th switching tube 15, for example, it is assumed that " 1 " represents conducting, " 0 " represents shut-off, then input letter
The matched signal that number setting module 44 sets the power model 11 includes：S1=S2=S3=0, S4=1；When the second judge module
42 judge to learn that control protector 30 is the control signal that provides of power model 11 not make the locking of power model 11, and the 3rd
Judge module 43 judges to learn that control protector 30 is the control signal that provides of the power model 11 to make the work of power model 11
As when be equivalent to full bridge power module when, input signal setting module 44 sets the matched signal of the power model 11 and protected as control
Shield device 30 is supplied to the control signal of the power model 11, i.e. input signal setting module 44 to set the matching of the power model 11
S1, S2, S3 and S4 are that control protector 30 is supplied to corresponding signal in the control signal of the power model 11 in signal；When
Second judge module 42 judges to learn that control protector 30 is the control signal that provides of power model 11 not make the power model
11 lockings, and the 3rd judge module 43 judges to learn that control protector 30 is the control signal that provides of the power model 11 to make this
Inequivalence is that full bridge power module (that is, is equivalent to half-bridge power mould when the power model 11 is worked when power model 11 works
Block) when, the matched signal that input signal setting module 44 sets the power model 11 includes：Control first switch pipe 12, second
The signal of switching tube 13 is that control protector 30 is supplied in the control signal of the power model 11 corresponding to first switch pipe
12nd, the signal of second switch pipe 13, turns off the 3rd switching tube 14, turns on the 4th switching tube 15, it is assumed that " 1 " represents conducting,
" 0 " represents that S1 and S2 is control protection in shut-off, the matched signal of the setting of input signal setting module 44 power model 11
Device 30 is supplied to corresponding signal, S3=0, S4=1 in the control signal of the power model 11.
Signal input module 45 is connected with input signal setting module 44, and signal input module 45 is defeated to each power model 11
Enter corresponding matched signal, the corresponding control signal that each power model 11 is provided according to control protector 30 is worked.
Please continue to refer to Fig. 1, flexible direct current transmission converter valve analogue system provided in an embodiment of the present invention also includes signal
Follower 50, signal output device 50 is connected with voltage detector 20, and signal output device 50 is detected according to voltage detector 20
Each power model 11 receives the capacitance voltage of output capacitance 16 after corresponding matched signal, exports actual of each power model 11
With voltage.Now, the capacitance voltage for the output capacitance 16 of each power model 11 that voltage detector 20 is detected, is each power model
11 receive the capacitance voltage of output capacitance 16 after corresponding matched signal, and signal output device 50 is then detected according to voltage detector 20
To each power model 11 receive the capacitance voltage of output capacitance 16 after corresponding matched signal, export the reality of each power model 11
Border matching voltage, so as to obtain the dynamic characteristic of each power model 11 in flexible direct current transmission converter valve 10, and then obtains flexible
The primary circuit dynamic characteristic of direct-current transmission converter valve 10.
Please continue to refer to Fig. 1, in embodiments of the present invention, signal output device 50 includes the 4th judge module 51, output letter
Number setting module 52 and signal output module 53.
4th judge module 51 is connected with voltage detector 20；4th judge module 51 judges that voltage detector 20 is detected
Each power model 11 receive output capacitance 16 after corresponding matched signal capacitance voltage whether be less than corresponding power model
11 startup threshold voltage.Now, the capacitance voltage of output capacitance 16 in each power model 11 that voltage detector 20 is detected,
The capacitance voltage of output capacitance 16 after corresponding matched signal is received for each power model 11, the 4th judge module 51 then judges respectively
Whether the capacitance voltage that power model 11 receives output capacitance 16 after corresponding matched signal is less than corresponding power model 11
Start threshold voltage.When the 4th judge module 51 judges to learn that each power model 11 that voltage detector 20 is detected receives correspondence
Matched signal after output capacitance 16 capacitance voltage be less than corresponding power model 11 startup threshold voltage when, then show work(
Rate module 11 is without power input；When the 4th judge module 51 judges to learn each power model 11 that voltage detector 20 is detected
When the capacitance voltage for receiving output capacitance 16 after corresponding matched signal is less than the startup threshold voltage of corresponding power model 11,
That is the 4th judge module 51 judges to learn that each power model 11 that voltage detector 20 is detected is received after corresponding matched signal
When the capacitance voltage of output capacitance 16 is more than or equal to the startup threshold voltage of corresponding power model 11, then show power model
11 have power input.
Output signal setting module 52 is connected with the 4th judge module 51；When the 4th judge module 51 judges to learn that voltage is examined
The capacitance voltage that the power model 11 that survey device 20 is detected receives output capacitance 16 after corresponding matched signal is less than the power mould
During the startup threshold voltage of block 11, output signal setting module 52 sets the actual match voltage of the power model 11 as 0V；When
4th judge module 51 judges to learn that the power model 11 that voltage detector 20 is detected receives output after corresponding matched signal
When the capacitance voltage of electric capacity 16 is not less than the startup threshold voltage of the power model 11, i.e. the 4th judge module 51 judges to learn electricity
Each power model 11 for being detected of pressure detector 20 receive output capacitance 16 after corresponding matched signal capacitance voltage be more than or
Equal to corresponding power model 11 startup threshold voltage when, output signal setting module 52 set the power model 11 reality
The power model 11 that matching voltage is detected by voltage detector 20 receives the electricity of output capacitance 16 after corresponding matched signal
The power model 11 that appearance voltage, i.e. voltage detector 20 are detected receives the electric capacity of output capacitance 16 after corresponding matched signal
Voltage as the power model 11 actual match voltage.
Signal output module 53 is connected with output signal setting module 52, the setting of the output signal output of signal output module 53
The actual match voltage for each power model 11 that module 52 is set.
It is so designed that, according to the judged result of the 4th judge module 51, output signal setting module 52 sets each power mould
The actual match voltage of block 11, regard the actual match voltage of each power model 11 as output capacitance in corresponding power model 11
16 capacitance voltage output so that the actual match voltage for each power model 11 that signal output device 50 is exported meets flexible direct current
State of the current transmission valve 10 in real work.
It should be noted that combination of the above-described embodiment by each module, to realize the purpose of above-described embodiment, and each mould
The function of block can be realized using existing functional module, and need not set new functional module to realize.
Referring to Fig. 3, the embodiment of the present invention also provides a kind of flexible direct current transmission converter valve emulation mode, applied to as above
The flexible direct current transmission converter valve analogue system described in embodiment is stated, the flexible direct current is to peace converter valve emulation mode bag
Include：
Step S100, protector is controlled to provide control signal for each power model in flexible direct current transmission converter valve.
Step S200, voltage detector detect the capacitance voltage of output capacitance in each power model.
Step S300, signal loader are according to the work(for controlling the control signal of protector offer, voltage detector to detect
Rate module receives the capacitance voltage of output capacitance before corresponding matched signal, and each control signal is converted to and corresponding power mould
The matched signal that block matches, and matched signal is inputed into corresponding power model.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.It is real especially for method
Apply for example, because it is substantially similar to system embodiment, so describing fairly simple, related part is referring to system embodiment
Part explanation.
Referring to Fig. 4, each control signal is converted to and matched with corresponding power model by step S300, signal loader
Matched signal, and matched signal is inputed into corresponding power model, can included：
Step S310, the first judge module judge that the power model that voltage detector is detected receives corresponding matched signal
Whether the capacitance voltage of preceding output capacitance is less than the startup threshold voltage of the power model.
Step S320, when the first judge module judge learn that the power model that voltage detector is detected receives corresponding
When capacitance voltage with output capacitance before signal is not less than the startup threshold voltage of the power model, the second judge module judges control
Whether protector processed makes the power model locking for the control signal that the power model is provided.
Step S330, when the first judge module judge learn that the power model that voltage detector is detected receives corresponding
When capacitance voltage with output capacitance before signal is less than the startup threshold voltage of the power model, or, the second judge module is sentenced
Disconnected learn control the protector to be when making the power model locking for the control signal that power model is provided, or, second judges mould
Block judges to learn that it is control signal that power model is provided not make during the power model locking to control protector, and the 3rd judges mould
Block judges to be equivalent to full-bridge when controlling protector whether to be and make the power model work for the control signal that the power model is provided
Power model.
Step S340, when the first judge module judge learn that the power model that voltage detector is detected receives corresponding
Capacitance voltage with output capacitance before signal is less than the startup threshold voltage of the power model, and the 3rd judge module judges to learn
When being equivalent to full bridge power module when controlling protector to be and the power model is worked for the control signal that the power model is provided,
Or, protector is controlled for control signal that power model is provided to close the power model when the second judge module judges to learn
Lock, and the 3rd judge module judges to learn and controls protector for control signal that the power model is provided to make the power model work
As when be equivalent to full bridge power module when, the matched signal that input signal setting module sets the power model includes：Make first
Switching tube, second switch pipe, the 3rd switching tube and the 4th switching tube are turned off.
Step S350, when the first judge module judge learn that the power model that voltage detector is detected receives corresponding
Capacitance voltage with output capacitance before signal is less than the startup threshold voltage of the power model, and the 3rd judge module judges to learn
It is that inequivalence is full bridge power module when making power model work for the control signal that the power model is provided to control protector
When, or, protector is controlled for control signal that power model is provided to make the power mould when the second judge module judges to learn
Block locking, and the 3rd judge module judges to learn and controls protector for control signal that the power model is provided to make the power mould
When inequivalence is full bridge power module when block works, the matched signal that input signal setting module sets the power model includes：
First switch pipe, second switch pipe, the 3rd switching tube are turned off, the 4th switching tube is turned on.
Step S360, judge to learn that it is control signal that power model is provided as not to control protector when the second judge module
Make the power model locking, and the 3rd judge module judges to learn and controls the protector to be for the control signal that the power model is provided
When being equivalent to full bridge power module when the power model is worked, input signal setting module sets the matching letter of the power model
Number it is supplied to the control signal of the power model for control protector.
Step S370, judge to learn that it is control signal that power model is provided as not to control protector when the second judge module
Make the power model locking, and the 3rd judge module judges to learn and controls the protector to be for the control signal that the power model is provided
Make the power model work when inequivalence be full bridge power module when, input signal setting module sets the matching of the power model
Signal includes：Control first switch pipe, the signal of second switch pipe are the control for controlling protector to be supplied to the power model
Correspond to first switch pipe, the signal of second switch pipe in signal, turn off the 3rd switching tube, turn on the 4th switching tube.
Step S380, signal input module input corresponding matched signal to each power model.
Please continue to refer to Fig. 3, each control signal is converted to and corresponding power model in step S300, signal loader
The matched signal matched, and after matched signal inputed into corresponding power model, the flexible direct current transmission converter valve
Emulation mode also includes：
Each power model that step S400, signal output device are detected according to voltage detector receives corresponding matched signal
The capacitance voltage of output capacitance, exports the actual match voltage of each power model afterwards.
Wherein, referring to Fig. 5, step S400, signal output device export the actual match voltage of each power model, it can wrap
Include：
Step S410, the 4th judge module judge that each power model that voltage detector is detected receives corresponding matching letter
Whether the capacitance voltage of output capacitance is less than the startup threshold voltage of corresponding power model after number.
Step S420, judge to learn that each power model that voltage detector detected receives corresponding when the 4th judge module
When the capacitance voltage of output capacitance is less than the startup threshold voltage of corresponding power model after matched signal, output signal setting mould
Block sets the actual match voltage of the power model as 0V.
Step S430, when the 4th judge module judge learn that the power model that voltage detector is detected receives corresponding
When capacitance voltage with output capacitance after signal is not less than the startup threshold voltage of the power model, output signal setting module is set
The power model that the actual match voltage of the fixed power model is detected by voltage detector is received after corresponding matched signal
The capacitance voltage of output capacitance.
Step S440, the power model of signal output module output signal output setting module setting actual match electricity
Pressure.
In the description of above-mentioned embodiment, specific features, structure, material or feature can be in any one or many
Combined in an appropriate manner in individual embodiment or example.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover 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.
Claims (9)
1. a kind of flexible direct current transmission converter valve analogue system, it is characterised in that including：
Flexible direct current transmission converter valve, the flexible direct current transmission converter valve includes multiple power models, and the power model
Half-bridge power module can be equivalent to during work, full bridge power module, the power can be also equivalent to during the power model work
Module includes output capacitance；
Voltage detector, the voltage detector is connected with each power model respectively, and the voltage detector detects each institute
State the capacitance voltage of output capacitance described in power model；
Protector is controlled, the control protector is connected with each power model respectively；It is described to control protector described in each
Power model provides control signal, and the control signal is full-bridge control signal or half-bridge control signal；
Signal loader, the signal loader controls protector, the voltage detector and each power with described respectively
Module is connected；The signal loader is detected according to the control signal for controlling protector to provide, the voltage detector
The power model receive the capacitance voltage of the output capacitance before corresponding matched signal, will each control signal conversion
For the matched signal matched with the corresponding power model, and the matched signal is inputed into the corresponding power mould
Block.
2. flexible direct current transmission converter valve analogue system according to claim 1, it is characterised in that the power model is also
Including first switch pipe, second switch pipe, the 3rd switching tube, the 4th switching tube and four diodes, wherein,
The control end of the first switch pipe, the control end of the second switch pipe, the control end of the 3rd switching tube and institute
The control end for stating the 4th switching tube is connected with the signal loader respectively；
The output end of the first switch pipe is connected with the output end of the 3rd switching tube, the input of the first switch pipe
It is connected with the output end of the second switch pipe, and the output end of the input of the first switch pipe and the second switch pipe
Power input with the full-bridge circuit is connected；
The input of 4th switching tube is connected with the input of the second switch pipe, the output end of the 4th switching tube
It is connected with the input of the 3rd switching tube, and the output end and the input of the 3rd switching tube of the 4th switching tube
Power output end with the full-bridge circuit is connected；
Between the input and output end of the first switch pipe, between the input of the second switch pipe and output end, institute
State between the input and output end of the 3rd switching tube, be parallel with one between the input of the 4th switching tube and output end
The individual diode；And the input of the positive pole of the diode and the corresponding switching tube is connected, the diode it is negative
Pole is connected with the output end of the corresponding switching tube；
The output capacitance is connected in parallel between the input of the output end of the first switch pipe and the second switch pipe.
3. flexible direct current transmission converter valve analogue system according to claim 2, it is characterised in that the signal loader
Including the first judge module, the second judge module, the 3rd judge module, input signal setting module and signal input module, its
In,
First judge module is connected with the voltage detector, and first judge module judges the voltage detector institute
Whether the capacitance voltage that the power model of detection receives the output capacitance before corresponding matched signal is less than the power mould
The startup threshold voltage of block；
Second judge module is connected with first judge module and the control protector respectively, and described second judges mould
Block judges to learn that the power model that the voltage detector is detected receives corresponding matching in first judge module
When the capacitance voltage of the output capacitance is not less than the startup threshold voltage of the power model before signal, the control protection is judged
Whether device makes the power model locking for the control signal that the power model is provided；
3rd judge module connects with first judge module, second judge module and the control protector respectively
Connect, the 3rd judge module judges to learn the power mould that the voltage detector is detected in first judge module
When the capacitance voltage that block receives the output capacitance before corresponding matched signal is less than the startup threshold voltage of the power model, or
Person, judges to learn and described controls protector for control signal that the power model is provided to make this in second judge module
During power model locking, or, judge to learn in second judge module and described control protector to be carried as the power model
The control signal of confession is when not making the power model locking, to judge the control for controlling protector to be provided for the power model letter
Number whether be make the power model work when be equivalent to full bridge power module；
The input signal setting module respectively with the 3rd judge module, the control end of the first switch pipe, described
The control end connection of the control end of two switching tubes, the control end of the 3rd switching tube and the 4th switching tube, the described 3rd
Judge module judges to learn that the power model that the voltage detector is detected receives correspondence in first judge module
Matched signal before the output capacitance capacitance voltage be less than the power model startup threshold voltage when, or, described
Second judge module, which judges to learn, described to be controlled protector for control signal that the power model is provided to make the power model
During locking, judge to learn and described control protector for control signal that the power model is provided as when making the power model work etc.
When imitating as full bridge power module, the matched signal that the input signal setting module sets the power model includes：Make described
One switching tube, the second switch pipe, the 3rd switching tube and the 4th switching tube are turned off；
3rd judge module judges to learn the power that the voltage detector is detected in first judge module
When the capacitance voltage that module receives the output capacitance before corresponding matched signal is less than the startup threshold voltage of the power model,
Or, judge to learn in second judge module and described control protector for control signal that the power model is provided to make
During the power model locking, judge to learn and described control protector for control signal that the power model is provided to make the described work(
When inequivalence is full bridge power module when rate module works, the input signal setting module sets the matching letter of the power model
Number include：The first switch pipe, the second switch pipe, the 3rd switching tube are turned off, makes the 4th switching tube
Conducting；
3rd judge module judges to learn in second judge module described controls protector to be carried as the power model
The control signal of confession is when not making the power model locking, to judge to learn the control for controlling protector to provide as the power model
When signal processed is is equivalent to full bridge power module when the power model is worked, the input signal setting module sets the power
The matched signal of module is supplied to the control signal of the power model for the control protector；
3rd judge module judges to learn in second judge module described controls protector to be carried as the power model
The control signal of confession is when not making the power model locking, to judge to learn the control for controlling protector to provide as the power model
When signal processed is that inequivalence is full bridge power module when making power model work, the input signal setting module sets the work(
The matched signal of rate module includes：It is the control protection to control the first switch pipe, the signal of the second switch pipe
Device, which is supplied in the control signal of the power model, corresponds to the first switch pipe, the signal of the second switch pipe, makes institute
The shut-off of the 3rd switching tube is stated, the 4th switching tube is turned on；
The signal input module is connected with the input signal setting module, and the signal input module is to each power mould
Block inputs the corresponding matched signal.
4. flexible direct current transmission converter valve analogue system according to claim 1, it is characterised in that the flexible direct current is defeated
Electric converter valve analogue system also includes signal output device, and the signal output device is connected with the voltage detector, the signal
Each power model that follower is detected according to the voltage detector receives the output capacitance after corresponding matched signal
Capacitance voltage, exports the actual match voltage of each power model.
5. flexible direct current transmission converter valve analogue system according to claim 4, it is characterised in that the signal output device
Including the 4th judge module, output signal setting module and signal output module, wherein,
4th judge module is connected with the voltage detector；4th judge module judges the voltage detector institute
Whether each power model of detection receives the capacitance voltage of the output capacitance after corresponding matched signal less than corresponding
The startup threshold voltage of the power model；
The output signal setting module is connected with the 4th judge module；4th judge module judges to learn the electricity
The capacitance voltage of the output capacitance, which is less than, after the corresponding matched signal of power model reception that pressure detector is detected is somebody's turn to do
During the startup threshold voltage of power model, the output signal setting module set the actual match voltage of the power model as
0V；
4th judge module judges to learn that the power model that the voltage detector is detected receives corresponding matching
When the capacitance voltage of the output capacitance is not less than the startup threshold voltage of the power model after signal, the output signal setting
The power model that the actual match voltage that module sets the power model is detected by the voltage detector receives corresponding
The capacitance voltage of the output capacitance after matched signal；
The signal output module is connected with the output signal setting module, the signal output module output output letter
The actual match voltage of each power model of number setting module setting.
6. a kind of flexible direct current transmission converter valve emulation mode, it is characterised in that including：
Protector is controlled to provide control signal for each power model in flexible direct current transmission converter valve；
Voltage detector detects the capacitance voltage of output capacitance in each power model；
The power that signal loader is detected according to the control signal for controlling protector to provide, the voltage detector
Module receives the capacitance voltage of the output capacitance before corresponding matched signal, by each control signal be converted to it is corresponding
The matched signal that the power model matches, and the matched signal is inputed into the corresponding power model.
7. flexible direct current transmission converter valve emulation mode according to claim 6, it is characterised in that signal loader will be each
The control signal is converted to the matched signal matched with the corresponding power model, and the matched signal is inputed to
The corresponding power model, including：
First judge module judges that the power model that the voltage detector is detected receives institute before corresponding matched signal
Whether the capacitance voltage for stating output capacitance is less than the startup threshold voltage of the power model；
When first judge module judges to learn that the power model that the voltage detector is detected receives corresponding
When capacitance voltage with the output capacitance before signal is not less than the startup threshold voltage of the power model, the second judge module is sentenced
It is disconnected described to control whether protector makes the power model locking for the control signal that the power model is provided；
When first judge module judges to learn that the power model that the voltage detector is detected receives corresponding
When capacitance voltage with the output capacitance before signal is less than the startup threshold voltage of the power model, or, described second sentences
Disconnected module judge to learn it is described to control protector be control signal that the power model is provided to make during the power model locking,
Or, second judge module, which judges to learn, described to be controlled protector for control signal that the power model is provided not make
During the power model locking, whether the 3rd judge module judges the control signal for controlling protector to be provided for the power model
To be equivalent to full bridge power module when the power model is worked；
When first judge module judges to learn that the power model that the voltage detector is detected receives corresponding
Capacitance voltage with the output capacitance before signal is less than the startup threshold voltage of the power model, and the 3rd judge module
Judge to learn and described control protector complete to be equivalent to when the power model is worked for the control signal that the power model is provided
During bridge power model, or, described control protector to be provided as the power model when second judge module judges to learn
Control signal to make the power model locking, and the 3rd judge module judges to learn and described controls protector to be the power
When the control signal that module is provided is is equivalent to full bridge power module when the power model is worked, input signal setting module is set
The matched signal of the fixed power model includes：First switch pipe, second switch pipe, the 3rd switching tube and the 4th switching tube is set to close
It is disconnected；
When first judge module judges to learn that the power model that the voltage detector is detected receives corresponding
Capacitance voltage with the output capacitance before signal is less than the startup threshold voltage of the power model, and the 3rd judge module
Judge to learn and described control protector for control signal that the power model is provided to make during the power model work
When imitating as full bridge power module, or, described control protector to be the power mould when second judge module judges to learn
The control signal that block is provided is makes the power model locking, and the 3rd judge module judges to learn and described controls the protector to be
It is described defeated when the control signal that the power model is provided is that inequivalence is full bridge power module when making the power model work
Entering signal setting module and setting the matched signal of the power model includes：Make the first switch pipe, the second switch pipe, institute
State the 3rd switching tube to be turned off, turn on the 4th switching tube；
When second judge module judges to learn that described to control protector be control signal that the power model is provided as not
Make the power model locking, and the 3rd judge module judges to learn the control for controlling protector to provide as the power model
When signal processed is is equivalent to full bridge power module when the power model is worked, the input signal setting module sets the power
The matched signal of module is supplied to the control signal of the power model for the control protector；
When second judge module judges to learn that described to control protector be control signal that the power model is provided as not
Make the power model locking, and the 3rd judge module judges to learn the control for controlling protector to provide as the power model
When signal processed is that inequivalence is full bridge power module when making power model work, the input signal setting module sets the work(
The matched signal of rate module includes：It is the control protection to control the first switch pipe, the signal of the second switch pipe
Device, which is supplied in the control signal of the power model, corresponds to the first switch pipe, the signal of the second switch pipe, makes institute
The shut-off of the 3rd switching tube is stated, the 4th switching tube is turned on；
Signal input module inputs the corresponding matched signal to each power model.
8. flexible direct current transmission converter valve emulation mode according to claim 6, it is characterised in that signal loader will be each
The control signal is converted to the matched signal matched with the corresponding power model, and the matched signal is inputed to
After the step of corresponding power model, the flexible direct current transmission converter valve emulation mode also includes：
Each power model that signal output device is detected according to the voltage detector receives the corresponding matched signal
The capacitance voltage of the output capacitance, exports the actual match voltage of each power model afterwards.
9. flexible direct current transmission converter valve emulation mode according to claim 8, it is characterised in that signal output device is exported
The actual match voltage of each power model, including：
4th judge module judges that each power model that the voltage detector is detected receives the corresponding matching letter
Whether the capacitance voltage of the output capacitance is less than the startup threshold voltage of the corresponding power model after number；
When the 4th judge module judges to learn that each power model that the voltage detector is detected receives corresponding
It is defeated when the capacitance voltage of the output capacitance is less than the startup threshold voltage of the corresponding power model after the matched signal
Go out signal setting module and set the actual match voltage of the power model as 0V；
When the 4th judge module judges to learn that the power model that the voltage detector is detected receives corresponding institute
When the capacitance voltage for stating the output capacitance after matched signal is not less than the startup threshold voltage of the power model, the output letter
The power model that the actual match voltage that number setting module sets the power model is detected by the voltage detector is received
The capacitance voltage of the output capacitance after the corresponding matched signal；
Signal output module exports the actual match voltage of the power model of the output signal setting module setting.
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