CN201926709U - Virtual instrument for measuring harmonic waves of electric power system - Google Patents
Virtual instrument for measuring harmonic waves of electric power system Download PDFInfo
- Publication number
- CN201926709U CN201926709U CN2010206224268U CN201020622426U CN201926709U CN 201926709 U CN201926709 U CN 201926709U CN 2010206224268 U CN2010206224268 U CN 2010206224268U CN 201020622426 U CN201020622426 U CN 201020622426U CN 201926709 U CN201926709 U CN 201926709U
- Authority
- CN
- China
- Prior art keywords
- voltage
- measuring
- current
- virtual instrument
- detected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a virtual instrument for measuring harmonic waves of an electric power system, which comprises a calculator, an instrument auxiliary circuit, corresponding software, a voltage measuring line and a current caliper clamp. The voltage measuring line is connected to a voltage position to be detected, and the current caliper clamp is connected with a current position to be detected. Measuring for the harmonic waves can be realized by the virtual instrument, and the technical scheme includes that during measurement, short circuit capacity and current transformation ratio are input and parameters, such as voltage classes and current serial numbers, are measured. After the parameters are input, the voltage measuring line is connected with the voltage position to be detected in parallel, the current caliper clamp are clamped onto the current position to be detected, and finally measuring can be carried out, and similarly, connecting methods can be used for measuring a voltage lead wire and a current outgoing line and a plurality of the voltage lead wires and a plurality of the outgoing lines.
Description
Technical field
The utility model belongs to the power system harmonic measurement technical field, is specifically related to a kind of virtual instrument of measuring Harmonious Waves in Power Systems.
Background technology
Along with the high speed development of modern industry, the widespread use of power electronic equipment, various non-linear electrical equipment insert electrical network in a large number, and the nonlinear-load of electric system is serious day by day.The harmonic pollution that is produced by nonlinear-load also is on the rise, and harmonic pollution more and more threatens safe, the stable and economical operation of electric system.The consumer of modern industry is also had higher requirement to the quality of power supply, therefore how correct measurement harmonic wave, and then harmonic wave analyzed and suppress to become a current important problem.
The utility model content
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, can realize effectively that measurement, analysis to harmonic wave are integrated and provide a kind of, high efficiency is the monitoring and the virtual instrument of analyzing the measurement Harmonious Waves in Power Systems that valid data are provided of the quality of power supply.
A kind of virtual instrument of measuring Harmonious Waves in Power Systems comprises computing machine, instrument auxiliary circuit, corresponding software, voltage measurement line, electric current clamp card.Described voltage measurement line is connected with tested voltage location, and described electric current clamp card is connected with tested Current Position.
The utility model is the product that computer technology combines with technical device.Usually utilize the virtual instrument of measuring Harmonious Waves in Power Systems, finish the control to instrument, collection, data analysis and the Presentation Function of data.In the virtual instrument of measuring Harmonious Waves in Power Systems, instrument hardware only plays the conditioning of signal, the input and output function, software is only the core of whole instrument, the harmonic wave limit value that utilizes each step voltage is the basis of harmonic standard, it is the principle of the foundation of judging that the utility network harmonic wave is whether qualified, utilize the utility model can realize measurement to harmonic wave, concrete application process is as follows: input capacity of short circuit during measurement, the electrorheological ratio of input measurement, after the parameters such as numbering of measured voltage level and electric current, parameter input finish, with the voltage measurement line and receive tested voltage location, the electric current clamp snap into tested Current Position, measure then.The rest may be inferred with the connection of measuring multivoltage bus and multiple current outlet to measure a voltage bus and an electric current outlet.
This shows, can effectively realize measurement by the utility model to harmonic wave, simultaneously monitoring analysis is carried out in frequency, tri-phase unbalance factor, voltage deviation, voltage flicker and change etc., realize real-time form, testing journal sheet, statistical report form, make data acquisition, storage, processing, analysis integrated, improved work efficiency, for the monitoring and the analysis of the quality of power supply provides valid data.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is a structural representation of the present utility model,
Embodiment
As shown in Figure 1: a kind of virtual instrument of measuring Harmonious Waves in Power Systems comprises computing machine, instrument auxiliary circuit, corresponding software, voltage measurement line, electric current clamp card.Described voltage measurement line is connected with tested voltage location, and described electric current clamp card is connected with tested Current Position.
The utility model is the product that computer technology combines with technical device.Usually utilize the virtual instrument of measuring Harmonious Waves in Power Systems, finish the control to instrument, collection, data analysis and the Presentation Function of data.In the virtual instrument of measuring Harmonious Waves in Power Systems, instrument hardware only plays the conditioning of signal, the input and output function, software is only the core of whole instrument, the harmonic wave limit value that utilizes each step voltage is the basis of harmonic standard, it is the principle of the foundation of judging that the utility network harmonic wave is whether qualified, utilize the utility model can realize measurement to harmonic wave, concrete application process is as follows: input capacity of short circuit during measurement, the electrorheological ratio of input measurement, after the parameters such as numbering of measured voltage level and electric current, parameter input finish, with the voltage measurement line and receive tested voltage location, the electric current clamp snap into tested Current Position, measure then.Be illustrated in figure 1 as the star-like wiring of measuring a voltage bus and an electric current outlet, the connection of multivoltage bus and multiple current outlet is drawn analogous conclusions.
This shows, can effectively realize measurement by the utility model to harmonic wave, simultaneously monitoring analysis is carried out in frequency, tri-phase unbalance factor, voltage deviation, voltage flicker and change etc., realize real-time form, testing journal sheet, statistical report form, make data acquisition, storage, processing, analysis integrated, improved work efficiency, for the monitoring and the analysis of the quality of power supply provides valid data.
Claims (1)
1. virtual instrument of measuring Harmonious Waves in Power Systems, comprise computing machine, instrument auxiliary circuit, corresponding software, voltage measurement line, electric current clamp card, it is characterized in that: described voltage measurement line is connected with tested voltage location, and described electric current clamp card is connected with tested Current Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206224268U CN201926709U (en) | 2010-11-24 | 2010-11-24 | Virtual instrument for measuring harmonic waves of electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206224268U CN201926709U (en) | 2010-11-24 | 2010-11-24 | Virtual instrument for measuring harmonic waves of electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926709U true CN201926709U (en) | 2011-08-10 |
Family
ID=44430553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206224268U Expired - Fee Related CN201926709U (en) | 2010-11-24 | 2010-11-24 | Virtual instrument for measuring harmonic waves of electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121953A (en) * | 2010-11-26 | 2011-07-13 | 河南省电力公司平顶山供电公司 | Method for measuring power system harmonic wave based on virtual instrument |
| CN102890179A (en) * | 2012-10-30 | 2013-01-23 | 中华人民共和国上海出入境检验检疫局 | Harmonic current test system with novel current converter |
-
2010
- 2010-11-24 CN CN2010206224268U patent/CN201926709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121953A (en) * | 2010-11-26 | 2011-07-13 | 河南省电力公司平顶山供电公司 | Method for measuring power system harmonic wave based on virtual instrument |
| CN102890179A (en) * | 2012-10-30 | 2013-01-23 | 中华人民共和国上海出入境检验检疫局 | Harmonic current test system with novel current converter |
| CN102890179B (en) * | 2012-10-30 | 2015-05-20 | 中华人民共和国上海出入境检验检疫局 | Harmonic current test system with novel current converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103257286A (en) | Method and system of automatic testing of electric automobile charging facilities | |
| CN204405804U (en) | A kind of high efficiency motor performance test system | |
| CN103176066B (en) | Digitalized electric energy quality monitoring device | |
| CN102645634A (en) | Vehicle driving motor test stand data acquisition system based on LabVIEW | |
| CN203572889U (en) | Automatic test system for electric-card charging device | |
| CN107219432A (en) | Watercraft electric propulsion system power quality detection method and detection means | |
| CN104931775A (en) | Network multi-functional three-phase electric energy meter possessing electric energy quality analysis function | |
| CN201083800Y (en) | Transformer substation insulated live-wire detector based on dummy instrument technology | |
| CN103964312B (en) | Electric block energy efficiency testing device and test method | |
| CN103105529A (en) | Harmonic wave electric energy measuring system based on parameter analysis and control method thereof | |
| CN205384740U (en) | Terminal Test system device is gathered to digital intelligent electric flux | |
| CN106324353A (en) | Inductive filtering converter transformer harmonic wave impedance measurement method and device | |
| CN202372592U (en) | Electric energy quality monitoring instrument | |
| CN201926709U (en) | Virtual instrument for measuring harmonic waves of electric power system | |
| CN202093095U (en) | Direct-current resistance tester for transformer | |
| CN105301449A (en) | Portable line loss measuring and calculating apparatus for power distribution network | |
| CN202066925U (en) | Harmonic monitor of electric network | |
| CN102121953A (en) | Method for measuring power system harmonic wave based on virtual instrument | |
| CN204142927U (en) | A kind of microcomputer type low-voltage AC/DC motor comprehensive test system | |
| CN103676623A (en) | Time scale unified dynamic reactive power generating device response time detecting method | |
| CN207571192U (en) | A kind of numerically-controlled machine tool energy consumption data device for testing and analyzing | |
| CN203178469U (en) | Portable transmitter verification meter | |
| CN110161448A (en) | A kind of 10kV portable high-pressure wideband electric energy on-site calibrating method and device | |
| CN201397378Y (en) | Power system stabilizer test waveform recorder for detecting uncompensated property of excitation system of generator | |
| CN207611099U (en) | A kind of transducer testing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20121124 |