CN204287792U - Be applicable to the numerical model analysis simulation interface system that simulate signal long-distance transmissions is mutual - Google Patents
Be applicable to the numerical model analysis simulation interface system that simulate signal long-distance transmissions is mutual Download PDFInfo
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Abstract
The utility model discloses and be a kind ofly applicable to the mutual numerical model analysis simulation interface system of simulate signal long-distance transmissions, comprising the physical simulation interface for connecting physical simulation subsystem, for the Digital Simulation interface that connects digital simulation subsystem and the Signal transmissions interactive system be arranged between physical simulation interface and Digital Simulation interface; Digital Simulation interface is provided with number-mode convertion module and analog-to-digital conversion module, and Signal transmissions interactive system is made up of physical side interface modulate circuit, cable and digital side interface modulate circuit.The utility model all converts current analog signal to by modulus current and voltage signals physics, Digital Simulation subsystem exported and transmits in the cable, ensure that the mutual antijamming capability of simulate signal long-distance transmissions is comparatively strong and current signal is less by the impact of line impedance, avoided the time delay repeatedly carried out when adopting digital signal long-distance transmissions in modulus, digital and analogue signals transfer process.The utility model has remote, anti-interference, high performance advantage.
Description
Technical field
The utility model relates to and is a kind ofly applicable to the mutual numerical model analysis simulation interface system of simulate signal long-distance transmissions, belongs to electric system numerical model analysis emulation field.
Background technology
Along with access electric system such as renewable energy power generation, D.C. high voltage transmission and power electronic devices, electric system is just towards more and more huger and complicated future development.As the important technical of the research of electric system novel device, equipment network access testing, On-line Fault, security of system stable operation research, power system real-time simulation technology has irreplaceable effect in a lot.At present, power system real-time simulation technology mainly comprises physical simulation, Digital Simulation and the emulation of digital physical mixed.
Physical simulation considers the non-linear uncertain factor waiting complexity, therefore, it is possible to the dynamic process of analog electrical Force system more exactly, the phenomenon that mechanism be it be unclear that and the research of novel electric power apparatus very convenient, but its modeling process is complicated, time and capital consumption large, difficulty of parameter tuning, transplantability, compatibility and scale of model are restricted.
Digital Simulation adopts the present computer technology, control technology, combines large software and complex hardware, and its modeling speed is fast, and parameter adjustment is convenient, can emulate Iarge-scale system, but unsatisfactory for the emulation of novel equipment and control strategy.
In view of the defect existing for simple Digital Simulation and physical simulation, researchist both domestic and external starts the research paying attention to Power Exchange type digital physical hybrid simulation system.
As shown in Figure 1, Power Exchange type digital physical hybrid simulation system is also named " numerical model analysis analogue system ", comprises physical simulation subsystem, Digital Simulation subsystem and numerical model analysis simulation interface system.The effect of numerical model analysis simulation interface system is for physical simulation subsystem and Digital Simulation System form the unified boundary condition coordinated, thus a simulation real system.But; physical simulation subsystem is the energy system run continuously, and Digital Simulation subsystem is the signal system of discrete iteration, and these two systems cannot directly be connected; therefore need special numerical model analysis simulation interface system to connect, what realize between energy system and signal system is mutual.
In theory, the mutual time delay of signal is the unstable basic reason of digital physical mixed emulation, and delay time is longer, the situation that hybrid simulation more easily occurs vibration and disperses.Therefore, the stable operation that the even mutual time delay of erasure signal emulates digital physical mixed how is reduced most important.In addition, can under the prerequisite of stable operation in the emulation of digital physical mixed, the mutual precision of signal also can have influence on validity and the accuracy of system emulation.If the tracking accuracy of voltage, electric current is too low, can there is larger difference with real system in the possibility of result of digital physical mixed emulation, thus make hybrid simulation lose meaning.Therefore, the precision that signal is mutual is also the problem needing to pay close attention to.Meanwhile, for ensureing that interface arrangement has stronger flexibility, avoid there is electromagnetic interference (EMI) between physical simulation subsystem and Digital Simulation subsystem, two subsystems answer physical isolation, separated, and signal should meet long-distance transmissions requirement alternately.This signal long-distance transmissions interactive system, when cable length reaches 150 meters, can realize the transmission of signal precise and high efficiency.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of and be applicable to the mutual numerical model analysis simulation interface system of simulate signal long-distance transmissions.
Solve the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
Be applicable to the numerical model analysis simulation interface system that simulate signal long-distance transmissions is mutual, it is characterized in that: described numerical model analysis simulation interface system comprises physical simulation interface for connecting physical simulation subsystem, for the Digital Simulation interface that connects digital simulation subsystem and the Signal transmissions interactive system be arranged between physical simulation interface and Digital Simulation interface; Described Digital Simulation interface is provided with number-mode convertion module and analog-to-digital conversion module, and described Signal transmissions interactive system is made up of physical side interface modulate circuit, cable and digital side interface modulate circuit;
The first three-phase voltage simulating signal that physical simulation subsystem exports by described physical simulation interface and the first three-phase current simulating signal input physics side interface modulate circuit, these two groups of simulating signals are converted to the simulated Small Current Signal that is suitable for cable transmission and are reduced to digital side interface modulate circuit by described cable transmission by physical side interface modulate circuit respectively, the second three-phase voltage simulating signal that digital side interface modulate circuit reduces by described Digital Simulation interface and the second three-phase current simulating signal convert digital signal respectively to and export to Digital Simulation subsystem,
The three-phase voltage digital signal that Digital Simulation subsystem exports by described Digital Simulation interface and three-phase current digital signal convert the 3rd three-phase voltage simulating signal and the 3rd three-phase current simulating signal input digital side interface modulate circuit to, these two groups of simulating signals are converted to the simulated Small Current Signal that is suitable for cable transmission and are reduced to physical side interface modulate circuit by described cable transmission by digital side interface modulate circuit respectively, and the 4th three-phase voltage simulating signal that physical side interface modulate circuit reduces by described physical simulation interface and the 4th three-phase current simulating signal export to physical simulation subsystem respectively.
As preferred implementation of the present utility model:
Described physical simulation interface is provided with A phase, B phase, C phase voltage signal lead-out terminal for exporting described first three-phase voltage simulating signal, for exporting A phase, B phase, the C phase current signal lead-out terminal of described first three-phase current simulating signal, for receiving A phase, B phase, the C phase voltage signal input terminal of described 4th three-phase voltage simulating signal, and A phase, B phase, the C phase current signal input terminal for receiving described 4th three-phase current simulating signal;
Described Digital Simulation interface is provided with A phase, B phase, C phase voltage signal input terminal for receiving described second three-phase voltage simulating signal, for receiving A phase, B phase, the C phase current signal input terminal of described second three-phase current simulating signal, for exporting described 3rd three-phase voltage simulating signal A phase, B phase, C phase voltage signal lead-out terminal, and A phase, B phase, the C phase current signal lead-out terminal for exporting described 3rd three-phase current simulating signal;
Described physical side interface modulate circuit comprises A phase for described first three-phase voltage simulating signal and the first three-phase current simulating signal being converted respectively to corresponding simulation galvanic current small-signal, B phase, C phase voltage-current conversion module and A phase, B phase, C phase current sensing module, and for corresponding simulation galvanic current small-signal is reduced into described 4th three-phase voltage simulating signal and the 4th three-phase current simulating signal A phase, B phase, C phase current-voltage transformation module and A phase, B phase, C phase current transformation of scale module;
Described digital side interface modulate circuit comprises A phase for corresponding simulation galvanic current small-signal being reduced into described second three-phase voltage simulating signal and the second three-phase current simulating signal, B phase, C phase current-voltage transformation module and A phase, B phase, C phase current transformation of scale module, and for described 3rd three-phase voltage simulating signal and the 3rd three-phase current simulating signal are converted respectively to corresponding simulation galvanic current small-signal A phase, B phase, C phase voltage-current conversion module and A phase, B phase, C phase current sensing module;
Described cable has the signal transmssion line of 12 or more, the A phase of described physical simulation interface, B phase, C phase voltage signal lead-out terminal and A phase, B phase, C phase current signal lead-out terminal successively with the A phase of described physical side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the input end electrical connection of C phase current sensing module, the A phase of described physical side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the output terminal of C phase current sensing module is successively by the first to the 6th signal transmssion line of described cable and the A phase of described digital side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the input end electrical connection of C phase current transformation of scale module, the A phase of described digital side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the output terminal of C phase current transformation of scale module successively with the A phase of described Digital Simulation interface, B phase, C phase voltage signal input terminal and A phase, B phase, C phase current signal input terminal is electrically connected,
The A phase of described Digital Simulation interface, B phase, C phase voltage signal lead-out terminal and A phase, B phase, C phase current signal lead-out terminal successively with the A phase of described digital side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the input end electrical connection of C phase current sensing module, the A phase of described digital side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the output terminal of C phase current sensing module is successively by the 7th to the tenth binary signal transmission line of described cable and the A phase of described physical side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the input end electrical connection of C phase current transformation of scale module, the A phase of described physical side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the output terminal of C phase current transformation of scale module successively with the A phase of described physical simulation interface, B phase, C phase voltage signal input terminal and A phase, B phase, C phase current signal input terminal is electrically connected.
As preferred implementation of the present utility model, each phase voltage-current conversion module of described physical side interface modulate circuit and digital side interface modulate circuit is composed in series by voltage-current converter and active filter circuit, each phase current sensing module is composed in series by Hall current sensor and active filter circuit, each phase current-voltage transformation module is composed in series by current-voltage converter and active filter circuit, each phase current transformation of scale module is composed in series by scaling circuitry and active filter circuit.
As preferred implementation of the present utility model, described cable is twisted-pair shielded wire.
Compared with prior art, the utility model has following beneficial effect:
First; the utility model is provided with physical simulation interface, Digital Simulation interface and Signal transmissions interactive system; Digital Simulation subsystem and physical simulation subsystem port voltage can be realized, the real-time synchronization of electric current transmits alternately, follows; namely numerical model analysis simulation interface system can by Digital Simulation subsystem port three-phase voltage and three-phase current totally 6 road signals be transmitted to physical simulation subsystem, and by physical simulation subsystem port three-phase voltage and three-phase current totally 6 road signals be transmitted to Digital Simulation subsystem.
Second, the utility model all converts current analog signal to by modulus current and voltage signals physical simulation subsystem and Digital Simulation subsystem exported and transmits in the cable, effectively ensure that the mutual antijamming capability of simulate signal long-distance transmissions is comparatively strong and current signal is less by the impact of line impedance by the effect of current signal transfer, further, adopt simulating signal to carry out long-distance transmissions in the cable and avoid the time delay adopting digital signal repeatedly to carry out when carrying out long-distance transmissions in modulus, digital and analogue signals transfer process;
3rd, the utility model by being provided with power filter in physical side and digital side interface modulate circuit, thus by disturbing high frequency components filtering that physical side interface and digital side interface produce;
In sum, the utility model has remote, anti-interference, high performance advantage.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the system chart of Power Exchange type digital physical hybrid simulation system in prior art;
Fig. 2 is the system chart of numerical model analysis simulation interface system of the present utility model;
Fig. 3 is one of A phase signals transmission schematic diagram of numerical model analysis simulation interface system of the present utility model;
Fig. 4 is the A phase signals transmission schematic diagram two of numerical model analysis simulation interface system of the present utility model;
Fig. 5 is the A phase signals transmission schematic diagram three of numerical model analysis simulation interface system of the present utility model;
Fig. 6 is the A phase signals transmission schematic diagram four of numerical model analysis simulation interface system of the present utility model.
Embodiment
As shown in Figures 2 to 6, the utility model is applicable to the mutual numerical model analysis simulation interface system of simulate signal long-distance transmissions, comprises the physical simulation interface for connecting physical simulation subsystem, for the Digital Simulation interface that connects digital simulation subsystem and the Signal transmissions interactive system be arranged between physical simulation interface and Digital Simulation interface; Digital Simulation interface is provided with number-mode convertion module and analog-to-digital conversion module, and Signal transmissions interactive system is made up of physical side interface modulate circuit, cable and digital side interface modulate circuit;
The first three-phase voltage simulating signal u that physical simulation subsystem exports by physical simulation interface
1a, u
1b, u
1cwith the first three-phase current simulating signal i
1a, i
1b, i
1cinput physics side interface modulate circuit, these two groups of simulating signals are converted to the simulated Small Current Signal that is suitable for cable transmission and are reduced to digital side interface modulate circuit by cable transmission by physical side interface modulate circuit respectively, the second three-phase voltage simulating signal u ' that digital side interface modulate circuit reduces by Digital Simulation interface
1a, u '
1b, u '
1cwith the second three-phase current simulating signal i '
1a, i '
1b, i '
1cconvert digital signal respectively to and export to Digital Simulation subsystem;
The three-phase voltage digital signal that Digital Simulation subsystem exports by Digital Simulation interface and three-phase current digital signal convert the 3rd three-phase voltage simulating signal u to
2a, u
2b, u
2cwith the 3rd three-phase current simulating signal i
2a, i
2b, i
2cinput digital side interface modulate circuit, these two groups of simulating signals are converted to the simulated Small Current Signal that is suitable for cable transmission and are reduced to physical side interface modulate circuit by cable transmission by digital side interface modulate circuit respectively, the 4th three-phase voltage simulating signal u ' that physical side interface modulate circuit reduces by physical simulation interface
2a, u '
2b, u '
2cwith the 4th three-phase current simulating signal i '
2a, i '
2b, i '
2cexport to physical simulation subsystem respectively.
Wherein, physical simulation interface of the present utility model is provided with for exporting the first three-phase voltage simulating signal u
1a, u
1b, u
1ca phase, B phase, C phase voltage signal lead-out terminal, for exporting the first three-phase current simulating signal i
1a, i
1b, i
1ca phase, B phase, C phase current signal lead-out terminal, for receiving the 4th three-phase voltage simulating signal u '
2a, u '
2b, u '
2ca phase, B phase, C phase voltage signal input terminal, and for receiving the 4th three-phase current simulating signal i '
2a, i '
2b, i '
2ca phase, B phase, C phase current signal input terminal;
Digital Simulation interface is provided with for receiving the second three-phase voltage simulating signal u '
1a, u '
1b, u '
1ca phase, B phase, C phase voltage signal input terminal, for receiving the second three-phase current simulating signal i '
1a, i '
1b, i '
1ca phase, B phase, C phase current signal input terminal, for exporting the 3rd three-phase voltage simulating signal u
2a, u
2b, u
2ca phase, B phase, C phase voltage signal lead-out terminal, and for exporting the 3rd three-phase current simulating signal i
2a, i
2b, i
2ca phase, B phase, C phase current signal lead-out terminal;
Physical side interface modulate circuit comprises for by the first three-phase voltage simulating signal u
1a, u
1b, u
1cwith the first three-phase current simulating signal i
1a, i
1b, i
1cconvert the A phase of corresponding simulation galvanic current small-signal, B phase, C phase voltage-current conversion module and A phase, B phase, C phase current sensing module respectively to, and for corresponding simulation galvanic current small-signal is reduced into the 4th three-phase voltage simulating signal u '
2a, u '
2b, u '
2cwith the 4th three-phase current simulating signal i '
2a, i '
2b, i '
2ca phase, B phase, C phase current-voltage transformation module and A phase, B phase, C phase current transformation of scale module;
Digital side interface modulate circuit comprises for corresponding simulation galvanic current small-signal is reduced into the second three-phase voltage simulating signal u '
1a, u '
1b, u '
1cwith the second three-phase current simulating signal i '
1a, i '
1b, i '
1ca phase, B phase, C phase current-voltage transformation module and A phase, B phase, C phase current transformation of scale module, and for by the 3rd three-phase voltage simulating signal u
2a, u
2b, u
2cwith the 3rd three-phase current simulating signal i
2a, i
2b, i
2cconvert the A phase of corresponding simulation galvanic current small-signal, B phase, C phase voltage-current conversion module and A phase, B phase, C phase current sensing module respectively to;
Cable has the signal transmssion line of 12 or more, the A phase of physical simulation interface, B phase, C phase voltage signal lead-out terminal and A phase, B phase, C phase current signal lead-out terminal successively with the A phase of physical side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the input end electrical connection of C phase current sensing module, the A phase of physical side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the output terminal of C phase current sensing module is successively by the first to the 6th signal transmssion line of cable and the A phase of digital side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the input end electrical connection of C phase current transformation of scale module, the A phase of digital side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the output terminal of C phase current transformation of scale module successively with the A phase of Digital Simulation interface, B phase, C phase voltage signal input terminal and A phase, B phase, C phase current signal input terminal is electrically connected,
The A phase of Digital Simulation interface, B phase, C phase voltage signal lead-out terminal and A phase, B phase, C phase current signal lead-out terminal successively with the A phase of digital side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the input end electrical connection of C phase current sensing module, the A phase of digital side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the output terminal of C phase current sensing module is successively by the 7th to the tenth binary signal transmission line of cable and the A phase of physical side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the input end electrical connection of C phase current transformation of scale module, the A phase of physical side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the output terminal of C phase current transformation of scale module successively with the A phase of physical simulation interface, B phase, C phase voltage signal input terminal and A phase, B phase, C phase current signal input terminal is electrically connected.
Wherein, above-mentioned cable is twisted-pair shielded wire, and because twisted-pair shielded wire has a metal screen layer between twisted-pair feeder and insulation course, therefore it is highly resistant to extraneous electromagnetic interference (EMI), guarantees the accuracy of Signal transmissions, each phase voltage-current conversion module of above-mentioned physical side interface modulate circuit and digital side interface modulate circuit is composed in series by the first voltage-current converter and active filter circuit, each phase current sensing module is composed in series by Hall current sensor and active filter circuit, each phase current-voltage transformation module is composed in series by current-voltage converter and active filter circuit, each phase current transformation of scale module is composed in series by scaling circuitry and active filter circuit.
In addition, the utility model is the accuracy ensureing Signal transmissions, and sensor used all adopts Hall element, can measure direct current, interchange and transient peak, and compared to common mutual inductor, dynamic property is good.Cable adopts twisted-pair shielded wire, has a metal screen layer between twisted-pair feeder and insulation course, the electromagnetic interference (EMI) that effectively opposing is extraneous, ensures signal accuracy.When carrying out current-voltage conversion, Voltage-current conversion and filtering modulate circuit and designing, also take into full account the accuracy of Signal transmissions.
The utility model does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; the utility model can also make the equivalent modifications of other various ways, replacement or change, all drops among protection domain of the present utility model.
Claims (4)
1. be applicable to the numerical model analysis simulation interface system that simulate signal long-distance transmissions is mutual, it is characterized in that: described numerical model analysis simulation interface system comprises physical simulation interface for connecting physical simulation subsystem, for the Digital Simulation interface that connects digital simulation subsystem and the Signal transmissions interactive system be arranged between physical simulation interface and Digital Simulation interface; Described Digital Simulation interface is provided with number-mode convertion module and analog-to-digital conversion module, and described Signal transmissions interactive system is made up of physical side interface modulate circuit, cable and digital side interface modulate circuit;
The first three-phase voltage simulating signal (u that physical simulation subsystem exports by described physical simulation interface
1a, u
1b, u
1c) and the first three-phase current simulating signal (i
1a, i
1b, i
1c) input physics side interface modulate circuit, these two groups of simulating signals are converted to the simulated Small Current Signal that is suitable for cable transmission and are reduced to digital side interface modulate circuit by described cable transmission by physical side interface modulate circuit respectively, the second three-phase voltage simulating signal that digital side interface modulate circuit reduces by described Digital Simulation interface (u '
1a, u '
1b, u '
1c) and the second three-phase current simulating signal (i '
1a, i '
1b, i '
1c) convert digital signal respectively to and export to Digital Simulation subsystem;
The three-phase voltage digital signal that Digital Simulation subsystem exports by described Digital Simulation interface and three-phase current digital signal convert the 3rd three-phase voltage simulating signal (u to
2a, u
2b, u
2c) and the 3rd three-phase current simulating signal (i
2a, i
2b, i
2c) input digital side interface modulate circuit, these two groups of simulating signals are converted to the simulated Small Current Signal that is suitable for cable transmission and are reduced to physical side interface modulate circuit by described cable transmission by digital side interface modulate circuit respectively, the 4th three-phase voltage simulating signal that physical side interface modulate circuit reduces by described physical simulation interface (u '
2a, u '
2b, u '
2c) and the 4th three-phase current simulating signal (i '
2a, i '
2b, i '
2c) export to physical simulation subsystem respectively.
2. numerical model analysis simulation interface system according to claim 1, is characterized in that:
Described physical simulation interface is provided with for exporting described first three-phase voltage simulating signal (u
1a, u
1b, u
1c) A phase, B phase, C phase voltage signal lead-out terminal, for exporting described first three-phase current simulating signal (i
1a, i
1b, i
1c) A phase, B phase, C phase current signal lead-out terminal, for receive described 4th three-phase voltage simulating signal (u '
2a, u '
2b, u '
2c) A phase, B phase, C phase voltage signal input terminal, and for receive described 4th three-phase current simulating signal (i '
2a, i '
2b, i '
2c) A phase, B phase, C phase current signal input terminal;
Described Digital Simulation interface be provided with for receive described second three-phase voltage simulating signal (u '
1a, u '
1b, u '
1c) A phase, B phase, C phase voltage signal input terminal, for receive described second three-phase current simulating signal (i '
1a, i '
1b, i '
1c) A phase, B phase, C phase current signal input terminal, for exporting described 3rd three-phase voltage simulating signal (u
2a, u
2b, u
2c) A phase, B phase, C phase voltage signal lead-out terminal, and for exporting described 3rd three-phase current simulating signal (i
2a, i
2b, i
2c) A phase, B phase, C phase current signal lead-out terminal;
Described physical side interface modulate circuit comprises for by described first three-phase voltage simulating signal (u
1a, u
1b, u
1c) and the first three-phase current simulating signal (i
1a, i
1b, i
1c) convert the A phase of corresponding simulation galvanic current small-signal, B phase, C phase voltage-current conversion module and A phase, B phase, C phase current sensing module respectively to, and for corresponding simulation galvanic current small-signal is reduced into described 4th three-phase voltage simulating signal (u '
2a, u '
2b, u '
2c) and the 4th three-phase current simulating signal (i '
2a, i '
2b, i '
2c) A phase, B phase, C phase current-voltage transformation module and A phase, B phase, C phase current transformation of scale module;
Described digital side interface modulate circuit comprise for corresponding simulation galvanic current small-signal is reduced into described second three-phase voltage simulating signal (u '
1a, u '
1b, u '
1c) and the second three-phase current simulating signal (i '
1a, i '
1b, i '
1c) A phase, B phase, C phase current-voltage transformation module and A phase, B phase, C phase current transformation of scale module, and for by described 3rd three-phase voltage simulating signal (u
2a, u
2b, u
2c) and the 3rd three-phase current simulating signal (i
2a, i
2b, i
2c) convert the A phase of corresponding simulation galvanic current small-signal, B phase, C phase voltage-current conversion module and A phase, B phase, C phase current sensing module respectively to;
Described cable has the signal transmssion line of 12 or more, the A phase of described physical simulation interface, B phase, C phase voltage signal lead-out terminal and A phase, B phase, C phase current signal lead-out terminal successively with the A phase of described physical side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the input end electrical connection of C phase current sensing module, the A phase of described physical side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the output terminal of C phase current sensing module is successively by the first to the 6th signal transmssion line of described cable and the A phase of described digital side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the input end electrical connection of C phase current transformation of scale module, the A phase of described digital side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the output terminal of C phase current transformation of scale module successively with the A phase of described Digital Simulation interface, B phase, C phase voltage signal input terminal and A phase, B phase, C phase current signal input terminal is electrically connected,
The A phase of described Digital Simulation interface, B phase, C phase voltage signal lead-out terminal and A phase, B phase, C phase current signal lead-out terminal successively with the A phase of described digital side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the input end electrical connection of C phase current sensing module, the A phase of described digital side interface modulate circuit, B phase, C phase voltage-current conversion module and A phase, B phase, the output terminal of C phase current sensing module is successively by the 7th to the tenth binary signal transmission line of described cable and the A phase of described physical side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the input end electrical connection of C phase current transformation of scale module, the A phase of described physical side interface modulate circuit, B phase, C phase current-voltage transformation module and A phase, B phase, the output terminal of C phase current transformation of scale module successively with the A phase of described physical simulation interface, B phase, C phase voltage signal input terminal and A phase, B phase, C phase current signal input terminal is electrically connected.
3. numerical model analysis simulation interface system according to claim 2, it is characterized in that: each phase voltage-current conversion module of described physical side interface modulate circuit and digital side interface modulate circuit is composed in series by voltage-current converter and active filter circuit, each phase current sensing module is composed in series by Hall current sensor and active filter circuit, each phase current-voltage transformation module is composed in series by current-voltage converter and active filter circuit, each phase current transformation of scale module is composed in series by scaling circuitry and active filter circuit.
4. the numerical model analysis simulation interface system according to claims 1 to 3 any one, is characterized in that: described cable is twisted-pair shielded wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712622.2U CN204287792U (en) | 2014-11-21 | 2014-11-21 | Be applicable to the numerical model analysis simulation interface system that simulate signal long-distance transmissions is mutual |
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|---|---|---|---|
| CN201420712622.2U CN204287792U (en) | 2014-11-21 | 2014-11-21 | Be applicable to the numerical model analysis simulation interface system that simulate signal long-distance transmissions is mutual |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490765A (en) * | 2016-08-02 | 2017-12-19 | 西安电子科技大学 | A kind of SPI interface circuitry for battery monitor system |
| CN109814403A (en) * | 2018-12-27 | 2019-05-28 | 中国电力科学研究院有限公司 | A kind of numerical model analysis analogue system of high density distribution inversion grid connection |
| CN115343964A (en) * | 2022-08-17 | 2022-11-15 | 苏州泛科众维智能科技有限公司 | Video simulation equipment for automatic driving test |
-
2014
- 2014-11-21 CN CN201420712622.2U patent/CN204287792U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490765A (en) * | 2016-08-02 | 2017-12-19 | 西安电子科技大学 | A kind of SPI interface circuitry for battery monitor system |
| CN109814403A (en) * | 2018-12-27 | 2019-05-28 | 中国电力科学研究院有限公司 | A kind of numerical model analysis analogue system of high density distribution inversion grid connection |
| CN109814403B (en) * | 2018-12-27 | 2023-11-14 | 中国电力科学研究院有限公司 | Digital-analog hybrid simulation system for high-density distributed inversion grid connection |
| CN115343964A (en) * | 2022-08-17 | 2022-11-15 | 苏州泛科众维智能科技有限公司 | Video simulation equipment for automatic driving test |
| CN115343964B (en) * | 2022-08-17 | 2024-02-09 | 苏州泛科众维智能科技有限公司 | Video simulation equipment for automatic driving test |
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