CN207380147U - A kind of electric energy quality on-line monitoring device - Google Patents
A kind of electric energy quality on-line monitoring device Download PDFInfo
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- CN207380147U CN207380147U CN201720836308.9U CN201720836308U CN207380147U CN 207380147 U CN207380147 U CN 207380147U CN 201720836308 U CN201720836308 U CN 201720836308U CN 207380147 U CN207380147 U CN 207380147U
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- line monitoring
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Abstract
The utility model provides a kind of electric energy quality on-line monitoring device, and including mutual inductor, converter, dsp processor, microcontroller and server, the mutual inductor, converter, dsp processor, microcontroller and server are sequentially connected；The mutual inductor further includes signal conditioning circuit and phase-locked loop circuit, and the dsp processor is equipped with FIFO buffers, and FIFO buffers are connected with the single-chip microcomputer signal.The utility model can realize voltage swell, temporarily the transient power qualities parameter monitoring such as drop, short interruptions；It can realize that the power quality parameters such as active power, reactive power, apparent energy, power factor, the Current Voltage virtual value of fundamental wave and each harmonic monitor；It can realize failure wave-recording and failure real time alarm function simultaneously.
Description
Technical field
The utility model belongs to grid power equipment field, more particularly, to a kind of electric energy quality on-line monitoring device.
Background technology
With flourishing for Chinese national economy, the development of industrial technology, a large amount of electric system novel devices and electronics
Equipment is widely used, and electric load drastically increases, and particularly impact and nonlinear-load, which are held, constantly increases so that power grid is sent out
Raw wave distortion, power quality problem become increasingly conspicuous, and wherein harmonic current, reactive power, degree of unbalancedness, impact load be particularly
Seriously.The problem of being caused due to power quality problem is increasing, has not only damaged user equipment, but also has seriously affected power grid
Operational safety.Since power quality needs the amount detected many and is mostly high distortion, traditional method is to use
The analysis of analog signal monitors different power quality indexs using different instruments, and measurement index is few, and versatility is poor, essence
Spend relatively low, the degree of automation is low.
The content of the invention
In view of this, the utility model is directed to a kind of power quality simple in structure, easy to operate, production efficiency is high
On-Line Monitor Device.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of electric energy quality on-line monitoring device, including mutual inductor, converter, dsp processor, microcontroller and service
Device, the mutual inductor, converter, dsp processor, microcontroller and server are sequentially connected；The mutual inductor further includes
Signal conditioning circuit and phase-locked loop circuit, the dsp processor are equipped with FIFO buffers, FIFO buffers and the list
Piece machine signal connects.
Further, the microcontroller be equipped with SD RAM, outside FLASH and LCD display, SD RAM,
External FLASH, LCD display are coupled with microcontroller.
Further, the microcontroller uses 32, the S3C2440ARM of highest frequency 400MHz of ARM920T cores
Chip.
Further, the server is 61850 servers, using ARM Cortex-A8 processors.
Further, the mutual inductor includes current transformer, voltage transformer.
Compared with the prior art, a kind of equipment for monitoring power quality described in the utility model has the advantage that：
The utility model is specific to power quality problem and develops the intelligence based on IEC61850 standard agreements of design
Data acquisition process special equipment can be changed, meet State Grid Corporation of China's standards and guidelines requirement, it can be to power quality number
According to the round-the-clock uninterrupted monitoring of progress.The utility model can realize mains by harmonics, m-Acetyl chlorophosphonazo, frequency departure, voltage deviation, sudden strain of a muscle
The stationary power qualities parameter monitorings such as change, tri-phase unbalance factor and order components；It can realize voltage swell, temporarily drop, short interruptions
Wait transient power qualities parameter monitoring；It can realize the active power of fundamental wave and each harmonic, reactive power, apparent energy, work(
The power quality parameters such as rate factor, Current Voltage virtual value monitor；It can realize failure wave-recording and failure Realtime Alerts work(simultaneously
Energy.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type does not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is the structure diagram described in the utility model embodiment；
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of electric energy quality on-line monitoring device, including mutual inductor, converter, dsp processor, microcontroller and service
Device, the mutual inductor, converter, dsp processor, microcontroller and server are sequentially connected；The mutual inductor further includes
Signal conditioning circuit and phase-locked loop circuit, the dsp processor are equipped with FIFO buffers, FIFO buffers and the list
Piece machine signal connects.
The microcontroller be equipped with SD RAM, outside FLASH and LCD display, SD RAM, outside FLASH,
LCD display is coupled with microcontroller.
The microcontroller uses 32, the S3C2440 ARM chips of highest frequency 400MHz of ARM920T cores.
The server is 61850 servers, using ARM Cortex-A8 processors.
The mutual inductor includes current transformer, voltage transformer.
The operation principle of the utility model：Data sampling is carried out by DSP control mutual inductors, is converted to by AD converters
Then digital signal signal transfers data to the microcontroller by FIFO buffers；DSP realizes harmonic wave, m-Acetyl chlorophosphonazo etc.
The calculating and processing of power quality parameter；By realizing that acquisition signal is passed by DSP is synchronous using serial ports SPI and buffer FIFO
It is defeated that microcontroller, which mainly preserves, to be received the data that DSP is transmitted and further analyzes data to microcontroller, so show with
Alarm mechanism is set, realizes data in the IEC61850 stipulations of the world by real time data by network transmission to scm server
Reach server；Historical data realizes PQDIF power quality datas storage international standard.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of electric energy quality on-line monitoring device, it is characterised in that：A kind of electric energy quality on-line monitoring device, including mutual inductance
Device, converter, dsp processor, microcontroller and server, the mutual inductor, converter, dsp processor, microcontroller and
Server is sequentially connected；The mutual inductor further includes signal conditioning circuit and phase-locked loop circuit, is set on the dsp processor
There are FIFO buffers, FIFO buffers are connected with the single-chip microcomputer signal.
2. a kind of electric energy quality on-line monitoring device according to claim 1, it is characterised in that：It is set on the microcontroller
There are SD RAM, outside FLASH and LCD display, SD RAM, outside FLASH, LCD display are coupled with microcontroller.
3. a kind of electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The microcontroller uses
32 of ARM920T cores, the S3C2440ARM chips of highest frequency 400MHz.
4. a kind of electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The server is
61850 servers, using ARM Cortex-A8 processors.
5. a kind of electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The mutual inductor includes
Current transformer, voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836308.9U CN207380147U (en) | 2017-07-11 | 2017-07-11 | A kind of electric energy quality on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836308.9U CN207380147U (en) | 2017-07-11 | 2017-07-11 | A kind of electric energy quality on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380147U true CN207380147U (en) | 2018-05-18 |
Family
ID=62298033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720836308.9U Active CN207380147U (en) | 2017-07-11 | 2017-07-11 | A kind of electric energy quality on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380147U (en) |
-
2017
- 2017-07-11 CN CN201720836308.9U patent/CN207380147U/en active Active
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