CN205749705U - A kind of FTU possessing Power Quality Detection function - Google Patents
A kind of FTU possessing Power Quality Detection function Download PDFInfo
- Publication number
- CN205749705U CN205749705U CN201620257800.6U CN201620257800U CN205749705U CN 205749705 U CN205749705 U CN 205749705U CN 201620257800 U CN201620257800 U CN 201620257800U CN 205749705 U CN205749705 U CN 205749705U
- Authority
- CN
- China
- Prior art keywords
- quality
- module
- power supply
- power
- ftu
- 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.)
- Active
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
This utility model discloses a kind of FTU possessing Power Quality Detection function, including telemetry module, remote signal module, remote control module, quality of power supply card module and central processing unit, telemetry module, remote signal module, remote control module, quality of power supply card module are connected with central processing unit respectively, quality of power supply card module carries out power quality analysis by gathering on telemetry module after ac analog small-signal carries out digital-to-analogue conversion, and analytical data is sent to central processing unit, analytical data is analyzed by central processing unit.By increasing Power Quality Detection card on FTU device, it is achieved quality of power supply collection and analytic function.On the one hand analysis result can instruct user by improving sharing of load, installing power equipment additional and improve the quality of power supply, on the other hand, can be that electric company provides power quality analysis foundation, it is simple to the user node that the investigation quality of power supply goes wrong, provide data support for power planning.
Description
Technical field
This utility model relates to distribution network automated technical field, is more particularly to a kind of FTU possessing Power Quality Detection function.
Background technology
Along with photovoltaic, the access of wind-powered electricity generation distributed power supply, and power system novel device and electronic equipment are widely used in a large number, power quality problem is caused to become increasingly conspicuous, wherein the problem such as harmonic current, reactive power, degree of unbalancedness, impact load is particularly acute, light then affect the quality of industrial products, heavy then machinery equipment can be burnt, cause serious economic loss.
Utility model content
In order to solve said one technical problem, this utility model provide a kind of can the FTU that possess Power Quality Detection function of acquisition testing quality of power supply information.
The technical solution of the utility model is as follows:
Possesses the FTU of Power Quality Detection function, including telemetry module, remote signal module, remote control module, quality of power supply card module and central processing unit, telemetry module, remote signal module, remote control module, quality of power supply card module are connected with central processing unit respectively, quality of power supply card module and telemetry module connect, quality of power supply card module carries out power quality analysis by gathering on telemetry module after ac analog small-signal carries out analog digital conversion, and analytical data is sent to central processing unit, analytical data is analyzed by central processing unit.
It has the beneficial effect that by increasing Power Quality Detection card on FTU device, FTU device adds quality of power supply collection and analytic function, without installing independent electric energy quality detection device separately, save hardware investment cost, simplify electrical wiring；The data results obtained can instruct user by improving sharing of load, installing power equipment additional and improve the quality of power supply, and also can be that electric company provides power quality analysis foundation, it is easy to investigate the user node that the quality of power supply goes wrong, there is provided data support for power planning, improve the safety and reliability of power distribution network.
In some embodiments, quality of power supply card module uses 1024 point samplings.
It has the beneficial effect that and makes sample waveform be more nearly with actual waveform, and high sampling rate also improves the precision of measurement, and measurement error is less than 2 ‰.
In some embodiments, quality of power supply card module uses automatic frequency tracking.
It has the beneficial effect that applicable 25Hz～65Hz wide range of frequencies is followed the tracks of.
In some embodiments, quality of power supply card module uses DSP+PowerPC+FPGA hardware platform.
In some embodiments, also including that recording ripple starts module, it is that event triggers record ripple that record ripple starts module, and it is 1024 points that event triggers the wave point number of record ripple.
It has the beneficial effect that and stores according to reference format, and available USB flash disk derives recorder data.
Accompanying drawing explanation
Fig. 1 is the structural representation of the FTU possessing Power Quality Detection function of this utility model one embodiment.
The title of corresponding component represented by numeral in figure:
1. telemetry module, 2. remote signal module, 3. remote control module, 4. quality of power supply card module, 5. central processing unit.
Detailed description of the invention
As it is shown in figure 1, the present invention discloses a kind of FTU possessing Power Quality Detection function, including telemetry module 1, remote signal module 2, remote control module 3, quality of power supply card module 4 and central processing unit 5.Telemetry module 1, remote signal module 2, remote control module 3, quality of power supply card module 4 are connected with central processing unit 5 respectively, and quality of power supply card module 4 and telemetry module 1 connect.Quality of power supply card module 4 carries out power quality analysis by gathering on telemetry module 1 after ac analog small-signal carries out digital-to-analogue conversion, and analytical data sends to central processing unit 5, and analytical data is analyzed by central processing unit 5.Analytical data is uploaded to main website by central processing unit 5 simultaneously.
By increasing Power Quality Detection card 4 on FTU device, FTU device adds quality of power supply collection and analytic function, it is not necessary to install independent electric energy quality detection device separately, save hardware investment cost, simplify electrical wiring；The data results obtained can instruct user by improving sharing of load, installing power equipment additional and improve the quality of power supply, and also can be that electric company provides power quality analysis foundation, it is easy to investigate the user node that the quality of power supply goes wrong, there is provided data support for power planning, improve the safety and reliability of power distribution network.
In the present embodiment, quality of power supply card module 4 uses up-to-date DSP+PowerPC+FPGA hardware platform.FPGA collaborative high accuracy 16 parallel-by-bit A/D chip are sampled, and trigger A/D chip conversion according to 1024, every cycle, and carry out data acquisition storage, it is ensured that signal is undistorted.A/D chip uses AD7656, possesses the high-precision feature of low noise.FPGA can cache the employing data of 2 cycles, it is simple to analytical data is therefrom read in DSP timing.DSP is used as Digital Signal Analysis and process, main calculate voltage/current virtual value, voltage/current phase place, active power, reactive power, apparent energy, power factor, voltage/current total harmonic distortion factor, 2～63 subharmonic voltages/current effective value (containing ratio), the phase place of harmonic voltage/electric current, harmonic power, each order components of voltage/current and degree of unbalancedness, short time voltage flickering, voltage long time flickering, 0.5～63.5 m-Acetyl chlorophosphonazo voltage/current containing ratio, the temporary degradation of voltage swell.PowerPC is used as the history data file storages, fault waveform record, Man Machine Interface, communication etc. such as analytical data, day data, moon data, file uses the data interchange format PQDIF storage of the universal standard, support IEC61850 communication protocol, the monitoring index of quality of power supply card module 4 can be preserved in real time, statistics time interval can be arranged, to main monitoring index, the maximum of monitoring index, minima, meansigma methods, the 95% big value of probability etc. in can adding up a time period, it is achieved the real-time Transmission of Monitoring Data and timing extraction storage record.PowerPC uses international advanced VxWorks system as software platform, it is ensured that the high reliability of system and high transplantability, and the equipment such as expansible SD card, USB flash disk, touch screen.Meanwhile, PowerPC implants expert analyzing system, rational solution can be provided the user by the analysis to power quality data, help user to improve the quality of power supply, increase economic efficiency.
Quality of power supply card 4 uses 1024 point samplings.Making sample waveform be more nearly with actual waveform, high sampling rate also improves the precision of measurement, and measurement error is less than 2 ‰.Quality of power supply card 4 uses automatic frequency tracking to use.It is suitable for 25Hz～65Hz wide range of frequencies to follow the tracks of.The FTU possessing Power Quality Detection function also includes that recording ripple starts module, and it is that event triggers record ripple that record ripple starts module, and it is 1024 points that event triggers the wave point number of record ripple.Storing according to reference format, available USB flash disk derives recorder data.
Above is only some embodiments that this utility model possesses the FTU of Power Quality Detection function; for those of ordinary skill in the art; on the premise of not paying creative work, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (5)
1. possesses the FTU of Power Quality Detection function, it is characterized in that, including telemetry module, remote signal module, remote control module, quality of power supply card module and central processing unit, described telemetry module, remote signal module, remote control module, quality of power supply card module is connected with central processing unit respectively, described quality of power supply card module and telemetry module connect, described quality of power supply card module carries out power quality analysis by gathering on telemetry module after ac analog small-signal carries out analog digital conversion, and send analytical data to central processing unit, analytical data is analyzed by described central processing unit.
The FTU possessing Power Quality Detection function the most according to claim 1, it is characterised in that described quality of power supply card module uses 1024 point samplings.
The FTU possessing Power Quality Detection function the most according to claim 1, it is characterised in that described quality of power supply card module uses automatic frequency tracking.
The FTU possessing Power Quality Detection function the most according to claim 1, it is characterised in that described quality of power supply card module uses DSP+PowerPC+FPGA hardware platform.
The FTU possessing Power Quality Detection function the most according to claim 1, it is characterised in that also include that recording ripple starts module, it is that event triggers record ripple that described record ripple starts module, and it is 1024 points that described event triggers the wave point number of record ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257800.6U CN205749705U (en) | 2016-03-30 | 2016-03-30 | A kind of FTU possessing Power Quality Detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257800.6U CN205749705U (en) | 2016-03-30 | 2016-03-30 | A kind of FTU possessing Power Quality Detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749705U true CN205749705U (en) | 2016-11-30 |
Family
ID=57374455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257800.6U Active CN205749705U (en) | 2016-03-30 | 2016-03-30 | A kind of FTU possessing Power Quality Detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280399A (en) * | 2021-12-22 | 2022-04-05 | 上海尤比酷电气有限公司 | Load characteristic-based electrical equipment abnormity diagnosis method and device |
-
2016
- 2016-03-30 CN CN201620257800.6U patent/CN205749705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280399A (en) * | 2021-12-22 | 2022-04-05 | 上海尤比酷电气有限公司 | Load characteristic-based electrical equipment abnormity diagnosis method and device |
| CN114280399B (en) * | 2021-12-22 | 2024-03-12 | 上海尤比酷电气有限公司 | Electrical equipment abnormality diagnosis method and device based on load characteristics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102539976B (en) | Electric multifunctional analysis instrument | |
| CN103135013B (en) | Data acquisition unit test and assessment system | |
| CN101957396B (en) | On-line monitoring device and method for voltage quality of electric power system | |
| CN201218822Y (en) | Electric energy quality on-line monitoring device | |
| CN103389473B (en) | Control method for double-path real-time signal power supply monitoring device | |
| CN201637803U (en) | Portable failure data recorder | |
| CN103176066B (en) | Digitalized electric energy quality monitoring device | |
| CN103513223B (en) | A kind of electric energy meter communication interface load capacity test system | |
| CN106093565A (en) | A kind of electricity subentry measurement method and device based on steady state characteristic Waveform Matching | |
| CN104076321A (en) | On-line monitoring and evaluating system and method for digital electric energy meter | |
| CN204758755U (en) | Power system fault wave recording instrument of parallel record ripples based on high -speed serial communication | |
| CN101937018A (en) | Device and method for monitoring power quality harmonic wave and overvoltage on line | |
| CN103323686B (en) | A kind of intelligent grid power quality analyzer | |
| CN105652087A (en) | Synchronous phase measurement device having inter-harmonics analyzing and continuous sampling value wave recording function | |
| CN105137164A (en) | Voltage sag on-line monitoring device applied in power system | |
| CN104330612A (en) | Resonant overvoltage monitoring system and method | |
| CN201926727U (en) | Power quality monitor | |
| CN103812216B (en) | A kind of regional power grid temporary overvoltage monitoring system | |
| CN202372592U (en) | Electric energy quality monitoring instrument | |
| CN205749705U (en) | A kind of FTU possessing Power Quality Detection function | |
| CN202305704U (en) | Running state monitoring device of zinc oxide arrester | |
| CN102467567A (en) | Data acquiring and computing system for power quality | |
| CN203324432U (en) | Novel insulation online monitoring system for high-voltage capacitive electrical equipment | |
| CN203012949U (en) | Novel field electricity meter acquiring system | |
| CN202524168U (en) | Power quality data monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jing Inventor after: Huang Xiaobo Inventor after: Chen Xu Inventor after: Li Jin Inventor after: Wang Xuehu Inventor after: Cai Jingjing Inventor after: Wu Canlin Inventor after: Qian Hong Inventor after: Ni Jiajian Inventor before: Huang Xiaobo Inventor before: Chen Xu Inventor before: Li Jin Inventor before: Wang Xuehu Inventor before: Cai Jingjing Inventor before: Wu Canlin Inventor before: Qian Hong Inventor before: Ni Jiajian |