CN108375694A - A kind of multiple harmonic electric current source tracing method and system based on thermoelectric (al) inversion - Google Patents
A kind of multiple harmonic electric current source tracing method and system based on thermoelectric (al) inversion Download PDFInfo
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- CN108375694A CN108375694A CN201810085304.0A CN201810085304A CN108375694A CN 108375694 A CN108375694 A CN 108375694A CN 201810085304 A CN201810085304 A CN 201810085304A CN 108375694 A CN108375694 A CN 108375694A
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- electric current
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- acetyl chlorophosphonazo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Abstract
The invention discloses a kind of multiple harmonic electric current source tracing method based on thermoelectric (al) inversion：Export m-Acetyl chlorophosphonazo and multiple harmonic electric current and standard sine electric current；Selection access m-Acetyl chlorophosphonazo or multiple harmonic electric current or standard sine electric current；M-Acetyl chlorophosphonazo and multiple harmonic electric current are converted into m-Acetyl chlorophosphonazo and multiple harmonic voltage, and by m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device；M-Acetyl chlorophosphonazo and multiple harmonic voltage are converted into the first DC voltage, and measure the first voltage value of the first DC voltage；Standard sine electric current is converted into standard sine voltage by high-accuracy current divider, and by standard sine control source to ac/dc thermoelectric conversion device；Standard sine voltage is converted into the second DC voltage, and measures the second voltage value of the second DC voltage；Compare the first voltage value and second voltage value, obtain the standard sine electric current with m-Acetyl chlorophosphonazo and multiple harmonic current equivalence, realizes m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to standard sine electric current.
Description
Technical field
The present invention relates to Electric Energy Metering Technology fields, more particularly, to a kind of multiple harmonic electricity based on thermoelectric (al) inversion
Flow source tracing method and system.
Background technology
With the fast development of all kinds of non-linear equipments, power electronic equipment, the harmonic wave in electric system is influenced
Getting worse.When voltage, electric current contain harmonic wave the measuring accuracy of electric energy meter can meet the requirements received it is both domestic and external
The electric energy meter international recommendation that extensive concern, the existing electric energy meter national standard in China and International Legal Organization (OIML) are promulgated
There is measuring accuracy when harmonic wave influence to propose requirement electric energy meter, metrological services at different levels of China have carried out harmonic wave shadow
Ring experiment.
Carrying out the harmonic wave that IR46 is required as required influences experiment, needs to study multiple harmonic signal source tracing method, ensure humorous
The accuracy that wave voltage and current magnitude are transmitted.Currently, harmonic wave traces to the source and mostly uses sampling method and synchronize sampling to harmonic signal
Or non-synchronous sampling, sampled result is analyzed with algorithm of harmonics analysis, obtains the value of measured signal, but existing is based on
The harmonic wave source tracing method of sampling method can not trace to the source to m-Acetyl chlorophosphonazo and the multiple harmonic signal of superposition.
Therefore, it is necessary to a kind of technologies, are traced to the source multiple harmonic electric current with realizing.
Invention content
Technical solution of the present invention provides a kind of multiple harmonic electric current source tracing method and system based on thermoelectric (al) inversion, with solution
The problem of certainly how tracing to the source multiple harmonic electric current.
To solve the above-mentioned problems, the present invention provides a kind of multiple harmonic electric current source tracing method based on thermoelectric (al) inversion,
The method includes：
M-Acetyl chlorophosphonazo and multiple harmonic electric current are exported by first line；
Pass through the second circuit output standard sine electric current；
The m-Acetyl chlorophosphonazo or multiple harmonic electric current or institute that the first line exports are accessed by the selection of high-precision change-over switch
The m-Acetyl chlorophosphonazo and multiple harmonic electric current stated the standard sine electric current of the second circuit output, and the first line of access is exported
Or the standard sine electric current of second circuit output is exported to high-accuracy current divider；
The m-Acetyl chlorophosphonazo and multiple harmonic electric current are converted into m-Acetyl chlorophosphonazo and multiple harmonic by the high-accuracy current divider
Voltage, and by the m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device；
The m-Acetyl chlorophosphonazo and multiple harmonic voltage are converted into the first direct current by the ac/dc thermoelectric conversion device
Voltage, and by first direct voltage output to high accuracy number voltmeter, measure the first of first DC voltage
Voltage value；
The standard sine electric current is converted into standard sine voltage by the high-accuracy current divider, and by the standard
Sinusoidal voltage is input to ac/dc thermoelectric conversion device；
The standard sine voltage is converted into the second DC voltage by the ac/dc thermoelectric conversion device, and
By second direct voltage output to high accuracy number voltmeter, the second voltage value of second DC voltage is measured；
Compare the first voltage value and the second voltage value, obtains and the m-Acetyl chlorophosphonazo and multiple harmonic current equivalence
The standard sine electric current, realize the m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to the standard sine electric current.
Preferably, described by the second circuit output standard sine electric current, including：
Pass through the standard sine electric current of the second circuit output waveform stabilization.
Preferably, the first voltage value and the second voltage value, acquisition is with the m-Acetyl chlorophosphonazo and repeatedly
The equivalent standard sine electric current of harmonic current, realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current to the standard sine electric current
Trace to the source, including：
When the first voltage value is consistent with the second voltage value, obtain and the m-Acetyl chlorophosphonazo and multiple harmonic electric current
The equivalent standard sine electric current realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to the standard sine electric current.
Preferably, the first line output m-Acetyl chlorophosphonazo and multiple harmonic electric current and the second circuit output standard sine
Electric current is input to the high-accuracy current divider by same channel.
Based on another aspect of the present invention, a kind of multiple harmonic electric current traceability system based on thermoelectric (al) inversion is provided, it is described
System includes：
First output unit, for exporting m-Acetyl chlorophosphonazo and multiple harmonic electric current by first line；
Second output unit, for passing through the second circuit output standard sine electric current；
Access unit is used to pass through the m-Acetyl chlorophosphonazo or multiple that the selection of high-precision change-over switch accesses the first line output
Harmonic current or the standard sine electric current of second circuit output, and by the m-Acetyl chlorophosphonazo of the first line of access output and repeatedly
Harmonic current or the standard sine electric current of the second circuit output are exported to high-accuracy current divider；
First dividing cell is converted to the m-Acetyl chlorophosphonazo and multiple harmonic electric current for passing through the high-accuracy current divider
M-Acetyl chlorophosphonazo and multiple harmonic voltage, and by the m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device；
First converting unit, for passing through the ac/dc thermoelectric conversion device by the m-Acetyl chlorophosphonazo and multiple harmonic
Voltage is converted to the first DC voltage, and by first direct voltage output to high accuracy number voltmeter, measures described
The first voltage value of first DC voltage；
Second dividing cell, for the standard sine electric current to be converted to standard sine by the high-accuracy current divider
Voltage, and by the standard sine control source to ac/dc thermoelectric conversion device；
Second converting unit, for being converted the standard sine voltage by the ac/dc thermoelectric conversion device
For the second DC voltage, and by second direct voltage output to high accuracy number voltmeter, measure second direct current
The second voltage value of voltage；
It traces to the source unit, is used for the first voltage value and the second voltage value, obtain and the m-Acetyl chlorophosphonazo and more
The equivalent standard sine electric current of subharmonic current realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current to standard sine electricity
Stream is traced to the source.
Preferably, second output unit is additionally operable to：
Pass through the standard sine electric current of the second circuit output waveform stabilization.
Preferably, the unit of tracing to the source is additionally operable to：
When the first voltage value is consistent with the second voltage value, obtain and the m-Acetyl chlorophosphonazo and multiple harmonic electric current
The equivalent standard sine electric current realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to the standard sine electric current.
Preferably, the first line output m-Acetyl chlorophosphonazo and multiple harmonic electric current and the second circuit output standard sine
Electric current is input to the high-accuracy current divider by same channel.
The present invention is based on thermoelectric (al) inversion principles, it is proposed that a kind of harmonic wave electricity that can be realized m-Acetyl chlorophosphonazo and multiple harmonic and trace to the source
The method and system that stream is traced to the source can provide a kind of easy-operating source tracing method for laboratory and testing staff, ensure to measure
Under the premise of fair and just, detection and debugging efficiency are improved.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is a kind of multiple harmonic electric current source tracing method flow based on thermoelectric (al) inversion according to embodiment of the present invention
Figure；
Fig. 2 be according to a kind of multiple harmonic electric current based on thermoelectric (al) inversion of embodiment of the present invention trace to the source principle signal
Figure；And
Fig. 3 is to be shown according to a kind of multiple harmonic electric current traceability system structure based on thermoelectric (al) inversion of embodiment of the present invention
It is intended to.
Specific implementation mode
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is a kind of multiple harmonic electric current source tracing method flow based on thermoelectric (al) inversion according to embodiment of the present invention
Figure.It is according to thermoelectric (al) inversion principle that embodiment of the present invention, which provides a kind of multiple harmonic electric current source tracing method based on thermoelectric (al) inversion,
The harmonic current source tracing method of exploitation.The application is with standard voltage source outputting standard sinusoidal signal, and with by school harmonic current
Source output harmonic wave and multiple harmonic electric current；M-Acetyl chlorophosphonazo and multiple harmonic electric current are converted into m-Acetyl chlorophosphonazo and more with high-accuracy current divider
Subharmonic voltage, and standard sine electric current is converted into standard sine voltage with high-accuracy current divider.Select m-Acetyl chlorophosphonazo and more
Subharmonic voltage or standard sine control source are to ac/dc thermoelectric conversion device.It will with ac/dc thermoelectric conversion device
Tested harmonic wave and multiple harmonic voltage signal and standard sine signal are respectively converted into direct voltage output；And select the high-precision number of degrees
Word voltmeter measures the DC voltage of tested harmonic signal and the conversion of standard sine signal respectively；It is exported by comparing standard set-up
With the DC voltage of tested harmonic signal conversion, obtain the sinusoidal signal equivalent with multiple harmonic, realize harmonic voltage signal to
Standard sine signal is traced to the source.As shown in Figure 1, a kind of multiple harmonic electric current source tracing method 100 based on thermoelectric (al) inversion includes：
Preferably, in step 101：M-Acetyl chlorophosphonazo and multiple harmonic electric current are exported by first line.The application is by humorous by school
Wave current source exports m-Acetyl chlorophosphonazo and multiple harmonic electric current by first line, wherein can export m-Acetyl chlorophosphonazo by school harmonic current source
With multiple harmonic electric current, output signal accesses high-precision change-over switch.
Preferably, in step 102：Pass through the second circuit output standard sine electric current.Preferably, pass through the second circuit output
Standard sine electric current, including：Pass through the standard sine electric current of the second circuit output waveform stabilization.The application is led to by normalized current source
The second circuit output standard sine electric current is crossed, standard voltage source has higher precision and stability, can continue output waveform
Stable standard sine voltage signal is to high-precision change-over switch.
Preferably, first line output m-Acetyl chlorophosphonazo and multiple harmonic electric current pass through with the second circuit output standard sine electric current
Same channel is input to high-accuracy current divider.
Preferably, in step 103：The m-Acetyl chlorophosphonazo or multiple exported by high-precision change-over switch selection access first line
Harmonic current or the standard sine electric current of second circuit output, and the m-Acetyl chlorophosphonazo and multiple harmonic that the first line of access is exported
Electric current or the standard sine electric current of the second circuit output are exported to high-accuracy current divider.High-precision change-over switch has in the application
Two groups of input terminals and one group of leading-out terminal, two groups of input terminals are connected with normalized current source and by school harmonic current source respectively,
Leading-out terminal is connected with high-accuracy current divider input terminal.High-precision change-over switch can select wherein to connect all the way in two-way input
Enter leading-out terminal, the parameter of two paths of signals input channel has splendid consistency.
Preferably, in step 104：By high-accuracy current divider by m-Acetyl chlorophosphonazo and multiple harmonic electric current be converted to m-Acetyl chlorophosphonazo and
Multiple harmonic voltage, and by m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device.
Preferably, in step 105：M-Acetyl chlorophosphonazo and multiple harmonic voltage are converted by ac/dc thermoelectric conversion device
For the first DC voltage, and by the first direct voltage output to high accuracy number voltmeter, measure the of the first DC voltage
One voltage value.
Preferably, in step 106：Standard sine electric current is converted into standard sine voltage by high-accuracy current divider, and
By standard sine control source to ac/dc thermoelectric conversion device.
Preferably, in step 107：Standard sine voltage is converted to second directly by ac/dc thermoelectric conversion device
Galvanic electricity pressure, and by the second direct voltage output to high accuracy number voltmeter, measure the second voltage value of the second DC voltage.
In the application, ac/dc thermoelectric conversion arrangement can turn tested harmonic voltage signal and standard sine voltage signal respectively
It is changed to the first DC voltage and the second direct voltage output, there is shorter time constant, smaller overturning error and excellent
Frequency characteristic.The input terminal of ac/dc thermoelectric conversion arrangement is connected with the output end of high-accuracy current divider, thermoelectric conversion arrangement
Output signal access high accuracy number voltmeter.High accuracy number voltmeter has higher precision and stability, for surveying
The output signal of calorimetric electric conversion means, standard of comparison voltage and by the consistency of school harmonic voltage.
Preferably, in step 108：Compare the first voltage value and second voltage value, obtains and m-Acetyl chlorophosphonazo and multiple harmonic electricity
Equivalent standard sine electric current is flowed, realizes m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to standard sine electric current.
Preferably, compare the first voltage value and second voltage value, obtain the mark with m-Acetyl chlorophosphonazo and multiple harmonic current equivalence
Quasi-sinusoidal current realizes m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to standard sine electric current, including：When the first voltage value and
When two voltage values are consistent, obtain with the standard sine electric current of m-Acetyl chlorophosphonazo and multiple harmonic current equivalence, realize m-Acetyl chlorophosphonazo and repeatedly
Harmonic current is traced to the source to standard sine electric current.
The application is based on thermoelectric (al) inversion principle, it is proposed that a kind of harmonic wave electricity that can be realized m-Acetyl chlorophosphonazo and multiple harmonic and trace to the source
Source tracing method is flowed, a kind of easy-operating source tracing method can be provided for laboratory and testing staff, is ensureing that metering is fair and just
Under the premise of, improve detection and debugging efficiency.
The application is before verification starts, the First Line that will be accessed first compared with harmonic current source in the application embodiment
Then road is accessed by school harmonic signal with high-precision change-over switch, will be converted to by school harmonic signal by high-accuracy current divider
It is input to ac/dc thermoelectric conversion device after voltage signal, is believed tested harmonic voltage with ac/dc thermoelectric conversion device
Number be converted to direct voltage output to high accuracy number voltmeter, measure and record be converted to by school harmonic voltage signal it is straight
Flow voltage value；Next, switching high-precision change-over switch, access normalized current source, by high-accuracy current divider by normalized current
Signal is input to ac/dc thermoelectric conversion device after being converted to voltage signal, with ac/dc thermoelectric conversion device by standard
Sine voltage signal is converted to direct voltage output to high accuracy number voltmeter, the width of adjustment criteria voltage source output signal
Value, until the voltage value of high accuracy number voltmeter is consistent with the DC voltage being converted to by school harmonic voltage signal, record
The amplitude of sine voltage signal realizes harmonic current letter to get to by the equivalent sinusoidal current of school harmonic current signal at this time
Number trace to the source.
Fig. 2 be according to a kind of multiple harmonic electric current based on thermoelectric (al) inversion of embodiment of the present invention trace to the source principle signal
Figure.As indicated with 2, including：Normalized current source, by school harmonic current source, high-precision change-over switch, high-accuracy current divider, exchange/straight
Flow thermoelectric conversion arrangement, high accuracy number voltmeter.Wherein, normalized current source can continue the standard of output waveform stabilization just
String current signal.By school harmonic current source, m-Acetyl chlorophosphonazo and multiple harmonic electric current can be exported, output signal access high-precision is converted
Switch.High-precision change-over switch has two groups of input terminals and one group of leading-out terminal, can select wherein one in two-way input
Leading-out terminal is accessed on road.High-accuracy current divider, for can the harmonic current that tested harmonic current source exports be converted to harmonic wave
Voltage signal, and the sinusoidal current signal that normalized current source exports is converted into sine voltage signal.Ac/dc thermoelectricity becomes
Tested harmonic voltage signal and standard sine voltage signal can be respectively converted into direct voltage output by changing device, have compared with
Short time constant, smaller overturning error and excellent frequency characteristic.
Fig. 3 is to be shown according to a kind of multiple harmonic electric current traceability system structure based on thermoelectric (al) inversion of embodiment of the present invention
It is intended to.As shown in figure 3, a kind of multiple harmonic electric current traceability system based on thermoelectric (al) inversion, system include：
First output unit 301, for exporting m-Acetyl chlorophosphonazo and multiple harmonic electric current by first line.
Second output unit 302, for passing through the second circuit output standard sine electric current.Preferably, the second output unit
It is additionally operable to：Pass through the standard sine electric current of the second circuit output waveform stabilization.
Preferably, first line output m-Acetyl chlorophosphonazo and multiple harmonic electric current pass through with the second circuit output standard sine electric current
Same channel is input to high-accuracy current divider.
Access unit 303 is used to pass through the m-Acetyl chlorophosphonazo or multiple of high-precision change-over switch selection access first line output
Harmonic current or the standard sine electric current of second circuit output, and the m-Acetyl chlorophosphonazo and multiple harmonic that the first line of access is exported
Electric current or the standard sine electric current of the second circuit output are exported to high-accuracy current divider.
First dividing cell 304, for pass through high-accuracy current divider by m-Acetyl chlorophosphonazo and multiple harmonic electric current be converted between it is humorous
Wave and multiple harmonic voltage, and by m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device.
First converting unit 305, for being turned m-Acetyl chlorophosphonazo and multiple harmonic voltage by ac/dc thermoelectric conversion device
It is changed to the first DC voltage, and by the first direct voltage output to high accuracy number voltmeter, measures the first DC voltage
The first voltage value.
Standard sine electric current is converted to standard sine voltage by the second dividing cell 306 for passing through high-accuracy current divider,
And by standard sine control source to ac/dc thermoelectric conversion device.
Standard sine voltage is converted to second by the second converting unit 307 for passing through ac/dc thermoelectric conversion device
DC voltage, and by the second direct voltage output to high accuracy number voltmeter, measure the second voltage of the second DC voltage
Value.
Unit 308 of tracing to the source obtains and m-Acetyl chlorophosphonazo and multiple harmonic electric current for comparing the first voltage value and second voltage value
Equivalent standard sine electric current realizes m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to standard sine electric current.
Preferably, unit of tracing to the source is additionally operable to：
When the first voltage value is consistent with second voltage value, obtain with the standard of m-Acetyl chlorophosphonazo and multiple harmonic current equivalence just
String electric current realizes m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to standard sine electric current.
A kind of multiple harmonic electric current traceability system based on thermoelectric (al) inversion provided by the present application can realize multiple harmonic electricity
Stream is traced to the source, by normalized current source, high-precision change-over switch, high-accuracy current divider, ac/dc thermoelectric conversion arrangement, high-precision
Digital voltmeter forms harmonic current traceability system, easy to operate, improves work on the spot efficiency, can be used for laboratory harmonic wave electricity
Stream is traced to the source.
A kind of multiple harmonic electric current traceability system 300 based on thermoelectric (al) inversion of embodiment of the present invention is another with the present invention
A kind of multiple harmonic electric current source tracing method 100 based on thermoelectric (al) inversion of embodiment is corresponding, is no longer repeated herein.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above are equally fallen the present invention's
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
It is construed at least one of described device, component etc. example, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (8)
1. a kind of multiple harmonic electric current source tracing method based on thermoelectric (al) inversion, the method includes：
M-Acetyl chlorophosphonazo and multiple harmonic electric current are exported by first line；
Pass through the second circuit output standard sine electric current；
The m-Acetyl chlorophosphonazo or multiple harmonic electric current or described the of first line output are accessed by the selection of high-precision change-over switch
The standard sine electric current of two circuit outputs, and m-Acetyl chlorophosphonazo and multiple harmonic electric current that the first line of access is exported or institute
The standard sine electric current for stating the second circuit output is exported to high-accuracy current divider；
The m-Acetyl chlorophosphonazo and multiple harmonic electric current are converted into m-Acetyl chlorophosphonazo and multiple harmonic voltage by the high-accuracy current divider,
And by the m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device；
The m-Acetyl chlorophosphonazo and multiple harmonic voltage are converted into the first direct current by the ac/dc thermoelectric conversion device
Pressure, and by first direct voltage output to high accuracy number voltmeter, measure the first electricity of first DC voltage
Pressure value；
The standard sine electric current is converted into standard sine voltage by the high-accuracy current divider, and by the standard sine
Control source is to ac/dc thermoelectric conversion device；
The standard sine voltage is converted into the second DC voltage by the ac/dc thermoelectric conversion device, and by institute
The second direct voltage output is stated to high accuracy number voltmeter, measures the second voltage value of second DC voltage；
Compare the first voltage value and the second voltage value, obtains the institute with the m-Acetyl chlorophosphonazo and multiple harmonic current equivalence
Standard sine electric current is stated, realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to the standard sine electric current.
2. according to the method described in claim 1, described by the second circuit output standard sine electric current, including：
Pass through the standard sine electric current of the second circuit output waveform stabilization.
3. according to the method described in claim 1, the first voltage value and the second voltage value, acquisition and institute
The standard sine electric current for stating m-Acetyl chlorophosphonazo and multiple harmonic current equivalence realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current to institute
Tracing to the source for standard sine electric current is stated, including：
When the first voltage value is consistent with the second voltage value, obtain and the m-Acetyl chlorophosphonazo and multiple harmonic current equivalence
The standard sine electric current realize the m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to the standard sine electric current.
4. according to the method described in claim 1, first line output m-Acetyl chlorophosphonazo and multiple harmonic electric current and described second
Circuit output standard sine electric current is input to the high-accuracy current divider by same channel.
5. a kind of multiple harmonic electric current traceability system based on thermoelectric (al) inversion, the system comprises：
First output unit, for exporting m-Acetyl chlorophosphonazo and multiple harmonic electric current by first line；
Second output unit, for passing through the second circuit output standard sine electric current；
Access unit, m-Acetyl chlorophosphonazo or multiple harmonic for accessing the first line output by the selection of high-precision change-over switch
The standard sine electric current of electric current or second circuit output, and by the m-Acetyl chlorophosphonazo of the first line of access output and repeatedly
Harmonic current or the standard sine electric current of the second circuit output are exported to high-accuracy current divider；
First dividing cell, for pass through the high-accuracy current divider by the m-Acetyl chlorophosphonazo and multiple harmonic electric current be converted between it is humorous
Wave and multiple harmonic voltage, and by the m-Acetyl chlorophosphonazo and multiple harmonic control source to ac/dc thermoelectric conversion device；
First converting unit, for passing through the ac/dc thermoelectric conversion device by the m-Acetyl chlorophosphonazo and multiple harmonic voltage
The first DC voltage is converted to, and by first direct voltage output to high accuracy number voltmeter, measures described first
The first voltage value of DC voltage；
Second dividing cell, for the standard sine electric current to be converted to standard sine electricity by the high-accuracy current divider
Pressure, and by the standard sine control source to ac/dc thermoelectric conversion device；
Second converting unit, for the standard sine voltage to be converted to by the ac/dc thermoelectric conversion device
Two DC voltages, and by second direct voltage output to high accuracy number voltmeter, measure second DC voltage
Second voltage value；
It traces to the source unit, is used for the first voltage value and the second voltage value, obtain and the m-Acetyl chlorophosphonazo and multiple humorous
The standard sine electric current of wave current equivalence realizes the m-Acetyl chlorophosphonazo and multiple harmonic electric current to the standard sine electric current
It traces to the source.
6. system according to claim 5, second output unit is additionally operable to：
Pass through the standard sine electric current of the second circuit output waveform stabilization.
7. system according to claim 5, the unit of tracing to the source is additionally operable to：
When the first voltage value is consistent with the second voltage value, obtain and the m-Acetyl chlorophosphonazo and multiple harmonic current equivalence
The standard sine electric current, realize the m-Acetyl chlorophosphonazo and multiple harmonic electric current tracing to the source to the standard sine electric current.
8. system according to claim 5, the first line output m-Acetyl chlorophosphonazo and multiple harmonic electric current and described second
Circuit output standard sine electric current is input to the high-accuracy current divider by same channel.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526565A (en) * | 2009-04-18 | 2009-09-09 | 安徽工业大学 | Full-power electric energy measurement instrument |
| CN102520237A (en) * | 2011-12-19 | 2012-06-27 | 北京东方计量测试研究所 | Device and method for measuring digital AC/DC (Alternating Current/Direct Current) current conversion |
| CN102650660A (en) * | 2012-05-14 | 2012-08-29 | 中国计量科学研究院 | Four-terminal resistor and method for measuring time constant of four-terminal resistor |
| CN102841330A (en) * | 2012-08-02 | 2012-12-26 | 中国电力科学研究院 | Calibrating method used for calibrating analytical instrument |
| KR101642473B1 (en) * | 2015-01-08 | 2016-07-25 | 한국표준과학연구원 | Frequency And Intensity Modulation Laser Absorption Spectroscopy Apparatus and Method for Remote Gas Detection |
-
2018
- 2018-01-29 CN CN201810085304.0A patent/CN108375694A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526565A (en) * | 2009-04-18 | 2009-09-09 | 安徽工业大学 | Full-power electric energy measurement instrument |
| CN102520237A (en) * | 2011-12-19 | 2012-06-27 | 北京东方计量测试研究所 | Device and method for measuring digital AC/DC (Alternating Current/Direct Current) current conversion |
| CN102650660A (en) * | 2012-05-14 | 2012-08-29 | 中国计量科学研究院 | Four-terminal resistor and method for measuring time constant of four-terminal resistor |
| CN102841330A (en) * | 2012-08-02 | 2012-12-26 | 中国电力科学研究院 | Calibrating method used for calibrating analytical instrument |
| KR101642473B1 (en) * | 2015-01-08 | 2016-07-25 | 한국표준과학연구원 | Frequency And Intensity Modulation Laser Absorption Spectroscopy Apparatus and Method for Remote Gas Detection |
Non-Patent Citations (1)
| Title |
|---|
| 中国电力企业联合会标准化中心: "《火力发电厂技术标准汇编 第9卷 计量标准 上》", 31 December 2002, 中国电力出版社 * |
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