CN103604990A - Power harmonic wave detection and analysis equipment - Google Patents
Power harmonic wave detection and analysis equipment Download PDFInfo
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- CN103604990A CN103604990A CN201310608912.2A CN201310608912A CN103604990A CN 103604990 A CN103604990 A CN 103604990A CN 201310608912 A CN201310608912 A CN 201310608912A CN 103604990 A CN103604990 A CN 103604990A
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Abstract
The invention discloses power harmonic wave detection and analysis equipment. The power harmonic wave detection and analysis equipment comprises a data acquisition module, a signal processing module, a communication module and a human-computer interaction module, wherein the data acquisition module is used for acquiring current fundamental wave frequency and voltage fundamental wave frequency; the signal processing module is used for decomposing fundamental waves and components of all sub harmonic waves according to the current fundamental wave frequency and the voltage fundamental wave frequency and used for calculating current, voltage, power and harmonic wave distortion parameters of a power grid to obtain detected output amount; the communication module is used for having data communication with an upper computer and having data communication with an Ethernet interface of a system debugging control interface module; the human-computer interaction module is used for displaying waveform and data of the output amount. The power harmonic wave detection and analysis equipment has the advantages that all the sub harmonic waves are detected and analyzed due to the fact that the fundamental waves and the components of all the sub harmonic waves are analyzed by acquiring the current fundamental wave frequency and the voltage fundamental wave frequency, high analysis accuracy is achieved, the harmonic waves can be prevented from having interference on an electric power system through the high-accuracy analysis on the harmonic waves, and normal work of the electric power system is guaranteed.
Description
Technical field
The present invention relates to a kind of electric harmonic and detect analytical equipment, belong to power domain.
Background technology
Along with the popularization of power-saving technology and automatic technology, power electronic equipment is as convertor equipment, frequency conversion equipment etc., capacity expanding day, and quantity is increasing, makes the higher hamonic wave in electrical network more and more serious.Harmonic wave makes the production of electric energy; transmission and service efficiency reduce, and even can cause, generation mechanical vibration, noise and superpotential overheated such as transformer part, make the problem of the serious threat power system securities such as relay protection and aut.eq. misoperation, stable operation.Harmonic wave also can produce severe jamming to communication facilities and electronic equipment.How reducing the harm that it brings, is the key technical problem urgently to be resolved hurrily that electric system application faces.Can find a kind of both simplely, meet again the equipment that needs are analyzed in engineering practice, be that current most power consumer is needed.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of electric harmonic and detect analytical equipment.
To achieve these goals, technical scheme of the present invention is: a kind of electric harmonic detects analytical equipment, comprising: data acquisition module, for gathering current first harmonics frequency and voltage fundamental frequency; Signal processing module, for according to current first harmonics frequency with voltage fundamental frequency is decomposed the component of first-harmonic and each harmonic and the electric current of electrical network, voltage, power and harmonic wave distortion parameter are calculated and to detect output quantity; Communication module, for carrying out data communication with host computer and communicating with the Ethernet interface of system debug control interface module; Human-computer interaction module, for showing waveform and the data of output quantity.
Further, described signal processing module is TMS320C6000 series.
The invention has the beneficial effects as follows: thus the present invention realizes the determination and analysis to each harmonic by current first harmonics frequency and voltage fundamental frequency being carried out to the component of collection analysis first-harmonic and each harmonic, there is higher analysis precision, by avoiding the interference of harmonic wave to electric system to the high accuracy analysis of harmonic wave, guarantee the normal operation of electric system.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
As shown in Figure 1, a kind of electric harmonic detects analytical equipment, comprising: data acquisition module, for gathering current first harmonics frequency and voltage fundamental frequency; Signal processing module, for according to current first harmonics frequency with voltage fundamental frequency is decomposed the component of first-harmonic and each harmonic and the electric current of electrical network, voltage, power and harmonic wave distortion parameter are calculated and to detect output quantity; Communication module, for carrying out data communication with host computer and communicating with the Ethernet interface of system debug control interface module; Human-computer interaction module, for showing waveform and the data of output quantity, described signal processing module is TMS320C6000 series.
Use principle of the present invention is that data collecting module collected arrives current first harmonics frequency and voltage fundamental frequency, and be sent to signal processing module, signal processing module is according to the current first harmonics frequency that collects and voltage fundamental frequency is decomposed the component of first-harmonic and each harmonic and calculates and obtain detection output quantity in conjunction with electric current, voltage, power and the harmonic wave distortion parameter of electrical network, and detection output quantity is sent to host computer by communication module, waveform and the data of the while detection output quantity that Graphics Processing is crossed on human-computer interaction module.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, and the technology distortion that every technical scheme according to the present invention is made, within all falling into protection scope of the present invention.
Claims (2)
1. electric harmonic detects an analytical equipment, it is characterized in that: comprising:
Data acquisition module, for gathering current first harmonics frequency and voltage fundamental frequency;
Signal processing module, for according to current first harmonics frequency with voltage fundamental frequency is decomposed the component of first-harmonic and each harmonic and the electric current of electrical network, voltage, power and harmonic wave distortion parameter are calculated and to detect output quantity;
Communication module, for carrying out data communication with host computer and communicating with the Ethernet interface of system debug control interface module;
Human-computer interaction module, for showing waveform and the data of output quantity.
2. electric harmonic according to claim 1 detects analytical equipment, it is characterized in that: described signal processing module is TMS320C6000 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608912.2A CN103604990A (en) | 2013-11-27 | 2013-11-27 | Power harmonic wave detection and analysis equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608912.2A CN103604990A (en) | 2013-11-27 | 2013-11-27 | Power harmonic wave detection and analysis equipment |
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| CN103604990A true CN103604990A (en) | 2014-02-26 |
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| CN201310608912.2A Pending CN103604990A (en) | 2013-11-27 | 2013-11-27 | Power harmonic wave detection and analysis equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460449A (en) * | 2018-05-08 | 2019-11-15 | 杭州海康威视数字技术股份有限公司 | Repeater and method of supplying power to |
| CN113030791A (en) * | 2021-03-01 | 2021-06-25 | 中电电气(江苏)变压器制造有限公司 | Transformer harmonic current analysis and power output capability analyzer |
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| CN110460449A (en) * | 2018-05-08 | 2019-11-15 | 杭州海康威视数字技术股份有限公司 | Repeater and method of supplying power to |
| CN113030791A (en) * | 2021-03-01 | 2021-06-25 | 中电电气(江苏)变压器制造有限公司 | Transformer harmonic current analysis and power output capability analyzer |
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Application publication date: 20140226 |
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