CN104656458A - Simulation circuit and system for electric system - Google Patents
Simulation circuit and system for electric system Download PDFInfo
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- CN104656458A CN104656458A CN201310595100.9A CN201310595100A CN104656458A CN 104656458 A CN104656458 A CN 104656458A CN 201310595100 A CN201310595100 A CN 201310595100A CN 104656458 A CN104656458 A CN 104656458A
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Abstract
The invention discloses a simulation circuit and system for an electric system. The simulation circuit comprises a signal input circuit, a plurality of voltage power amplification circuits, a plurality of parallel current-sharing control circuits and a parallel output circuit, wherein the signal input circuit is connected with a digital simulation system, and used for receiving simulation analog signals; the voltage power amplification circuits are connected with the signal input circuit, and used for conducting power amplification on the simulation analog signals, so as to obtain power amplified signals; each parallel current-sharing control circuit is connected with the corresponding voltage power amplification circuit; the parallel current-sharing control circuits are used for conducting current-sharing on the power amplified signals, so as to obtain a plurality of parallel current shared signals; the parallel output circuit is connected with the parallel current-sharing control circuits, and used for combining the parallel current shared signals into a simulation signal. Through the adoption of the simulation circuit and system, the problem of inaccurate power network simulation results caused by low output signal amplitude value and low output power of a power amplifier in the prior art is solved; power capacity expansion and voltage grade improvement of a power amplifier are simulated, so as to ensure accurate simulation results.
Description
Technical field
The present invention relates to Simulation Control field, in particular to a kind of artificial circuit for electric system and system.
Background technology
Along with the development of modern humans society, the mankind more and more be unable to do without electric power supply, net capacity constantly increases constantly to meet the mankind's on the one hand, consumer widespread uses in industry, agricultural and the daily electricity consumption of resident such as the power load of the another aspect mankind is of a great variety, linear, non-linear, pulse.The height of grid supply quality has a strong impact on the performance of consumer, the work of life-span and the mankind and quality of life, and the load character of all kinds of consumer causes the power supply quality of electrical network to decline greatly simultaneously.
Electric system is also continuing to carry out on related science researchs such as the technical requirement of grid supply quality and impacts on the research and all kinds of power load equipment that improve grid supply quality, particularly the research of the height of grid supply quality impact of important and specific power load on some is more and more paid attention to, and the requirement of key equipment to power grid quality of such as industry automatic control, communications and transportation, communication, illumination etc. industry is stricter.
Usual people adopt digital real-time emulation technology to study consumer important and specific in some electric system to the research of the height of grid supply quality, electrical network and consumer mathematical model is set up especially by Digital Simulation System, analog simulation electrical network when all kinds of power supply state on the impact of consumer, can be found by Digital Simulation and solve part practical problems, improve the power supply quality of electrical network, improve the duty of consumer.
Power system digital simulation of the prior art is generally made up of digital simulation software system, digital simulation signal system, Digital Simulation power amplifier and dummy load device, due to the technical bottleneck of power amplifier technology, the output voltage grade of Digital Simulation power amplifier is low, output power is less, therefore dummy load device is generally the secondary device of electric system, its bearing power is little, and voltage is low.Normally by Digital Simulation System Output simulation signal, simulate signal amplifies Output simulation power signal by signal amplifier, and supply simulation equipment (secondary device of electric system), realizes power system power supply Research of digital simulation.
But the voltage signal magnitude exported by signal amplifier due to Digital Simulation System is lower, generally exports 57.4/100V, and output power is little, only has tens of volt-ampere, the dummy loads such as main supply secondary equipment in power system.Because by the bottom of the simulate signal amplitude that the large device of signal power amplifier exports, restriction that power is little, actual supply load equipment can only be substituted by simulation equipment, its simulation result has increasing gap with actual operation result, can not realize the matter emulation of power system power supply technology.
The signal amplitude exported for power amplifier in prior art is low, power is little causes the inaccurate problem of grid simulation result, not yet proposes effective solution at present.
Summary of the invention
The signal amplitude exported for power amplifier in correlation technique is low, power is little causes the inaccurate problem of grid simulation result, at present effective solution is not yet proposed, for this reason, fundamental purpose of the present invention is to provide a kind of artificial circuit for electric system and system, to solve the problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of artificial circuit for electric system, this circuit comprises: signal input circuit, is connected with Digital Simulation System, for receiving emulated analog signal; Plurality of voltages power amplification circuit, is connected with signal input circuit, obtains power amplified signal for carrying out power amplification to emulated analog signal; Multi-channel parallel equalizing control circuit, every road current sharing control circuit is connected with a road voltage power amplifying circuit respectively, for power amplified signal current-sharing process is obtained multi-channel parallel current-sharing signal; Parallel opertation circuit, is connected with multi-channel parallel equalizing control circuit, obtains simulate signal for merging multi-channel parallel current-sharing signal.
Further, artificial circuit also comprises: signal amplification control circuit, is connected with signal input circuit, for emulated analog signal is amplified the emulated analog signal after being amplified.
Further, artificial circuit also comprises: multichannel gain calibration circuit, be connected between signal amplification control circuit and plurality of voltages power amplification circuit, the emulated analog signal after calibrating is obtained for carrying out gain calibration to the emulated analog signal after amplification, wherein, every road gain calibration circuit is connected with a road voltage power amplifying circuit respectively.
Further, artificial circuit also comprises: simulation data circuit, for Output simulation signal.
Further, artificial circuit also comprises: controlling power supply, being connected respectively, for powering for signal input circuit, signal amplification control circuit and multichannel gain calibration circuit with signal input circuit, signal amplification control circuit and multichannel gain calibration circuit.
Further, artificial circuit also comprises: primary power, is connected with plurality of voltages power amplification circuit, for powering for plurality of voltages power amplification circuit.
To achieve these goals, according to an aspect of the present invention, provide a kind of analogue system for electric system, this system comprises: for the artificial circuit of electric system.
Further, analogue system also comprises: Digital Simulation System, is connected with artificial circuit, for Output simulation simulating signal.
Further, analogue system also comprises: load circuit, is connected with artificial circuit, runs under the control of simulate signal that exports at artificial circuit.
Adopt the present invention, by plurality of voltages power amplification circuit by after emulated analog signal amplification, use multi-channel parallel equalizing control circuit the power amplified signal of correspondence to be carried out current-sharing process and obtain multi-channel parallel current-sharing signal, then Parallel opertation signal simulation signal is used, the electric pressure of the simulate signal exported meets the power supply voltage range of electric system, power stage can reach thousands of watts, by Current Sharing Technology of the present invention, achieve the increase of the power stage decades of times of simulated power amplifier, output voltage grade and power capacity meet power system power supply matter emulation completely, the simulate signal using the circuit in the application to obtain directly can export to the load equipment of electric system, solve the signal amplitude that in prior art, power amplifier exports low, power is little causes the inaccurate problem of grid simulation result, the power expanding and the electric pressure that achieve simulated power amplifier improve, make output voltage power large, can with all kinds of loads of electric system, using this simulate signal to emulate can the effect of true operation result of accurate simulation electric system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the artificial circuit for electric system according to the embodiment of the present invention; And
Fig. 2 is a kind of optional structural representation for the artificial circuit of electric system according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the structural representation of the artificial circuit for electric system according to the embodiment of the present invention.As shown in Figure 1, this circuit can comprise: signal input circuit 10, is connected with Digital Simulation System 100, for receiving emulated analog signal; Plurality of voltages power amplification circuit 20, is connected with signal input circuit 10, obtains power amplified signal for carrying out power amplification to emulated analog signal; Multi-channel parallel equalizing control circuit 30, every road current sharing control circuit is connected with a road voltage power amplifying circuit respectively, for power amplified signal current-sharing process is obtained multi-channel parallel current-sharing signal; Parallel opertation circuit 40, is connected with multi-channel parallel equalizing control circuit, obtains simulate signal for merging multi-channel parallel current-sharing signal.
Adopt the above embodiment of the present invention, by plurality of voltages power amplification circuit by after emulated analog signal amplification, use multi-channel parallel equalizing control circuit the power amplified signal of correspondence to be carried out current-sharing process and obtain multi-channel parallel current-sharing signal, then Parallel opertation signal simulation signal is used, the electric pressure of the simulate signal exported meets the power supply voltage range of electric system, power stage can reach thousands of watts, by Current Sharing Technology of the present invention, achieve the increase of the power stage decades of times of simulated power amplifier, output voltage grade and power capacity meet power system power supply matter emulation completely, the simulate signal using the circuit in the application to obtain directly can export to the load equipment of electric system, solve the signal amplitude that in prior art, power amplifier exports low, power is little causes the inaccurate problem of grid simulation result, the power expanding and the electric pressure that achieve simulated power amplifier improve, make output voltage power large, can with all kinds of loads of electric system, using this simulate signal to emulate can the effect of true operation result of accurate simulation electric system.
In the above embodiment of the present invention, as shown in Figure 2, artificial circuit can also comprise: signal amplification control circuit 50, is connected with signal input circuit, for emulated analog signal is amplified the emulated analog signal after being amplified.
According to the abovementioned embodiments of the present invention, artificial circuit can also comprise: multichannel gain calibration circuit 60, be connected between signal amplification control circuit and plurality of voltages power amplification circuit, the emulated analog signal after calibrating is obtained for carrying out gain calibration to the emulated analog signal after amplification, wherein, every road gain calibration circuit is connected with a road voltage power amplifying circuit respectively.
Pass through above-described embodiment, emulated analog signal completes the Parallel opertation of plurality of voltages power amplification circuit by signal amplification control circuit, gain calibration circuit and current sharing control circuit, the voltage accuracy exported is high, degree of distortion is little, bandwidth is high, with all kinds of loads of electric system, power system power supply technology matter emulation needs can be met completely.
As shown in Figure 2, the artificial circuit of the application can also comprise: simulation data circuit 70, for Output simulation signal; Controlling power supply 80, being connected with signal input circuit 10, signal amplification control circuit and multichannel gain calibration circuit respectively, for powering for signal input circuit, signal amplification control circuit and multichannel gain calibration circuit; Primary power 90, is connected with plurality of voltages power amplification circuit, for powering for plurality of voltages power amplification circuit.
Particularly, as shown in Figure 2, the emulated analog signal of Digital Simulation System inputs through signal input circuit 10, controlled to export to gain calibration circuit by signal amplification control circuit 50, amplify through voltage power amplifying circuit 20 after gain calibration circuit 60 gain calibration, the power amplified signal amplified exports through the current sharing control circuit 30 of voltage power amplifier, multi-channel parallel current-sharing signal outputs to the Parallel opertation circuit 40 of voltage power amplifier, simulate signal after parallel connection, as the output of the simulation data circuit 70 of simulated power, supplies dummy load equipment.Control power supply in figure is powered to signal input circuit 10, signal amplification control circuit 50 and gain calibration circuit 60; Primary power powers to multiple voltage power amplifying circuit 20.
More specifically, in prior art, single channel voltage power amplifier exports 220V0.5A, and adopt technical scheme of the present invention, realize 30 road voltage power amplifier Parallel opertation, output voltage can reach 220V15A.
Present invention also offers a kind of analogue system for electric system, this system to comprise in above-described embodiment the artificial circuit for electric system in any.
Adopt the above embodiment of the present invention, by plurality of voltages power amplification circuit by after emulated analog signal amplification, use multi-channel parallel equalizing control circuit the power amplified signal of correspondence to be carried out current-sharing process and obtain multi-channel parallel current-sharing signal, then Parallel opertation signal simulation signal is used, the electric pressure of the simulate signal exported meets the power supply voltage range of electric system, power stage can reach thousands of watts, by technical scheme of the present invention, achieve the increase of the power stage decades of times of simulated power amplifier, output voltage grade and power capacity meet power system power supply matter emulation completely, the simulate signal using the circuit in the application to obtain directly can export to the load equipment of electric system, solve the signal amplitude that in prior art, power amplifier exports low, power is little causes the inaccurate problem of grid simulation result, the power expanding and the electric pressure that achieve simulated power amplifier improve, make output voltage power large, can with all kinds of loads of electric system, using this simulate signal to emulate can the effect of true operation result of accurate simulation electric system.
In the above embodiment of the present invention, analogue system can also comprise: Digital Simulation System, is connected with artificial circuit, for Output simulation simulating signal.
Particularly, analogue system can also comprise: load circuit, is connected with artificial circuit, runs under the control of simulate signal that exports at artificial circuit.Load circuit in this embodiment comprises the dummy load equipment in above-described embodiment.
From above description, can find out, present invention achieves following technique effect: adopt the above embodiment of the present invention, by plurality of voltages power amplification circuit by after emulated analog signal amplification, use multi-channel parallel equalizing control circuit the power amplified signal of correspondence to be carried out current-sharing process and obtain multi-channel parallel current-sharing signal, then Parallel opertation signal simulation signal is used, the electric pressure of the simulate signal exported meets the power supply voltage range of electric system, power stage can reach thousands of watts, by technical scheme of the present invention, achieve the increase of the power stage decades of times of simulated power amplifier, output voltage grade and power capacity meet power system power supply matter emulation completely, the simulate signal using the circuit in the application to obtain directly can export to the load equipment of electric system, solve the signal amplitude that in prior art, power amplifier exports low, power is little causes the inaccurate problem of grid simulation result, the power expanding and the electric pressure that achieve simulated power amplifier improve, make output voltage power large, can with all kinds of loads of electric system, using this simulate signal to emulate can the effect of true operation result of accurate simulation electric system.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. for an artificial circuit for electric system, it is characterized in that, comprising:
Signal input circuit, is connected with Digital Simulation System, for receiving emulated analog signal;
Plurality of voltages power amplification circuit, is connected with described signal input circuit, obtains power amplified signal for carrying out power amplification to described emulated analog signal;
Multi-channel parallel equalizing control circuit, current sharing control circuit described in every road is connected with voltage power amplifying circuit described in a road respectively, for described power amplified signal current-sharing process is obtained multi-channel parallel current-sharing signal;
Parallel opertation circuit, is connected with described multi-channel parallel equalizing control circuit, obtains simulate signal for merging described multi-channel parallel current-sharing signal.
2. artificial circuit according to claim 1, is characterized in that, described artificial circuit also comprises:
Signal amplification control circuit, is connected with described signal input circuit, for described emulated analog signal is amplified the emulated analog signal after being amplified.
3. artificial circuit according to claim 2, is characterized in that, described artificial circuit also comprises:
Multichannel gain calibration circuit, is connected between described signal amplification control circuit and described plurality of voltages power amplification circuit, obtains the emulated analog signal after calibrating for carrying out gain calibration to the emulated analog signal after described amplification, wherein,
Gain calibration circuit described in every road is connected with voltage power amplifying circuit described in a road respectively.
4. artificial circuit according to claim 1, is characterized in that, described artificial circuit also comprises:
Simulation data circuit, for exporting described simulate signal.
5. artificial circuit according to claim 3, is characterized in that, described artificial circuit also comprises:
Controlling power supply, being connected with described signal input circuit, described signal amplification control circuit and described multichannel gain calibration circuit respectively, for powering for described signal input circuit, described signal amplification control circuit and described multichannel gain calibration circuit.
6. artificial circuit according to claim 1, is characterized in that, described artificial circuit also comprises:
Primary power, is connected with described plurality of voltages power amplification circuit, for powering for described plurality of voltages power amplification circuit.
7. for an analogue system for electric system, it is characterized in that, comprising: the artificial circuit for electric system in claim 1 to 6 described in any one.
8. analogue system according to claim 7, is characterized in that, described analogue system also comprises:
Digital Simulation System, is connected with described artificial circuit, for Output simulation simulating signal.
9. analogue system according to claim 7, is characterized in that, described analogue system also comprises:
Load circuit, is connected with described artificial circuit, runs under the control of simulate signal that exports at described artificial circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310595100.9A CN104656458B (en) | 2013-11-21 | 2013-11-21 | Artificial circuit and system for electric system |
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| CN201310595100.9A CN104656458B (en) | 2013-11-21 | 2013-11-21 | Artificial circuit and system for electric system |
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| CN104656458B CN104656458B (en) | 2018-08-07 |
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