CN101625383A - On-line monitoring device for power quality - Google Patents
On-line monitoring device for power quality Download PDFInfo
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- CN101625383A CN101625383A CN200910184414A CN200910184414A CN101625383A CN 101625383 A CN101625383 A CN 101625383A CN 200910184414 A CN200910184414 A CN 200910184414A CN 200910184414 A CN200910184414 A CN 200910184414A CN 101625383 A CN101625383 A CN 101625383A
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Abstract
The invention relates to an on-line monitoring device for power quality, which is a high-technology instrumentation which can carry out continuous, real-time and accurate monitoring on power quality of industries such as power plants, substations, factories and mines, and the like. The on-line monitoring device mainly comprises two most advanced chips at present, including a DSP chip TMS 320F28335 and an ARM chip AT91RM9200, and integrates signal condition, AD sampling, GPS time synchronization, SPI communication, LCD liquid crystal display, SD card data storage, host computer display, Ethernet network communication and RS485 communication at the same time. The device has advanced control algorithm, complete power quality monitoring function and high precision, and can be widely applied to occasions where monitoring and analysis of the power quality is needed.
Description
Technical field
The present invention is a kind of device that can be applicable to enterprise electrical energy quality on-line monitorings such as generating plant, transformer station, factories and miness, relates to the technical field of Power Quality Detection and control.
Background technology
Along with power system development and progress of science and technology, especially recent two decades comes, and new and high technologies such as microelectric technique, computer technology, precision machinery technology, high sealing technology, special processing technology, integrated technology, thin film technique, network technology, nanometer technology, laser technology, superconductor technology have obtained fast development.This background and situation, constantly to electric energy quality monitoring proposed higher, upgrade, more requirement, as require that speed is faster, sensitivity is higher, stability is better, use is more convenient, cost is cheaper etc.At present, electric energy quality monitoring develops rapidly towards the direction of computerize, networking, intellectuality, multifunction, and owing to a large amount of adopt the achievement in research of high-and-new science and technologies, comprehensive Design interdisciplinary, the high-grade, precision and advanced manufacturing technology and the practical application of strict science, thereby make it also just advance with big strides towards high speed more, direction sensitiveer, more reliable, that obtain analyzed, detection, controlling object full spectrum information more quickly and easily.As can be seen, high-technicalization is the principal character of modern electric energy quality monitoring still not, also is the development main flow of new century electric energy quality monitoring.The high-technicalization of electric energy quality monitoring product becomes the development main flow of electric energy quality monitoring science and technology and industry day by day.
Meanwhile, developing rapidly of computer technology, the information processing technology, automatic technology, integrated circuit technique and microelectric technique, for development high-performance equipment for monitoring power quality provides solid material base, also provide opportunity for instrument and meter enterprise exploitation high-performance equipment for monitoring power quality.
Summary of the invention
Technical matters: the objective of the invention is to propose a kind of electric energy quality on-line monitoring device based on TMS320F28335 and AT91RM9200, can carry out on-line monitoring to the quality of power supply of enterprises such as generating plant, transformer station, factories and miness, true and reliable Monitoring Data is provided, reduces the massive losses that causes because of power quality problem.
Technical scheme: the processor architecture that adopts DSP+ARM, dsp chip is mainly finished functions such as data acquisition, Power Quality Detection algorithm, with dsp chip TMS320F28335 floating point processor is the high speed processing that the platform of handling core can satisfy data, can realize the real-time and the accuracy of data processing.The ARM chip is mainly finished data and is gathered, shows functions such as (LCD liquid crystal display), storage, communication, its software function is than horn of plenty, as multiple task management, database storing, network communication etc., serve as that the platform of handling core is supported multiple embedded OS with ARM chip AT91RM9200.Transmit data by SPI communication and dual port RAM between dsp chip TMS320F28335 and the ARM chip AT91RM9200.Introduce the GPS chip in addition, can realize data synchronization sampling and analyzing and processing between many equipment for monitoring power quality.
This on-Line Monitor Device is a core with dsp chip TMS320F28335 and ARM chip AT91RM9200, and the periphery has connected dual port RAM, SPI communication, SCI communication, voltage sensor, current sensor, signal conditioning circuit, AD8364 sample circuit, CPLD circuit, GPS circuit, LCD liquid crystal display circuit, network chip, document storage system, network communication, host computer demonstration; Wherein, connect by dual port RAM and SPI communication between dsp chip TMS320F28335 and the ARM chip AT91RM9200, dsp chip TMS320F28335 is connected by the SCI communication with the GPS chip; Peripheral LCD liquid crystal display circuit, network chip, the document storage system of connecting of ARM chip AT91RM9200; Voltage sensor and current sensor are weak electric signal with external voltage and current conversion, are sent to deliver to the AD8364 chip after signal conditioning circuit is handled and be converted to digital signal, send dsp chip TMS320F28335 at last to and carry out analyzing and processing.
The GPS chip is transferred to dsp chip TMS320F28335 by SCI communication (5) with current information of time on the one hand and carries out the sampled data calibration, exports synchronous pulse per second (PPS) on the other hand and by the CPLD circuit AD sampling pulse is carried out synchronously.
Between dsp chip TMS320F28335 and the ARM chip AT91RM9200 at voltage, electric current just often by the SPI communication data transmission, occur transmitting data by dual port RAM when unusual at voltage, electric current.
Beneficial effect: the present invention can well satisfy in the electric energy quality monitoring field requirement to the real-time and the accuracy of monitoring result, is common to the various application scenarios of electric energy quality monitoring, has saved cost of development, has accelerated the construction cycle; Peripherals such as keyboard, LCD makes the man-machine interface close friend; Abundant input/output port can satisfy the various requirement in energy quality monitoring field; The (SuSE) Linux OS of transplanting among the ARM makes the programming simplification and makes program optimization.
Description of drawings
Fig. 1 is the electric energy quality on-line monitoring device hardware structure diagram,
Fig. 2 is a power interface circuit,
Fig. 3 is the phase locking frequency multiplying circuit,
Fig. 4 is the connecting interface circuit between DSP and ARM,
Fig. 5 is a signal acquisition circuit,
Fig. 6 is the interface circuit of TMS320F28335 and ADS8364,
Fig. 7 is the interface circuit of GPS and TMS320F28335, CPLD,
Fig. 8 is the equipment for monitoring power quality network interface circuit,
Fig. 9 is an equipment for monitoring power quality device lcd controller interface circuit,
Figure 10 is the electric energy quality on-line monitoring device structured flowchart.
Embodiment
Whole device adopts the bi-processor architecture of DSP+ARM.DSP adopts the TMS320SF28225 of TI company, and ARM adopts the AT91RM9200 of atmel corp.16 high-speed sampling control chip D8364 of 6 inputs can satisfy in the electric energy quality monitoring field requirement to AD precision and real-time fully.Dsp chip mainly finish data acquisition with synchronously, function such as Power Quality Detection algorithm, the ARM chip is mainly finished data and is gathered, shows functions such as (LCD liquid crystal display), storage, communication.
With dsp chip TMS320F28335 and ARM chip AT91RM9200 is core, and the periphery has connected dual port RAM, SPI communication 4, SCI communication 5, voltage sensor 6, current sensor 7, signal conditioning circuit 8, AD8364 sample circuit 9, CPLD circuit 10, GPS circuit 11, LCD liquid crystal display circuit 12, network chip 13, document storage system 14, network communication 15, host computer demonstration 16; Wherein, connect by dual port RAM and SPI communication 4 between dsp chip TMS320F28335 and the ARM chip AT91RM9200, dsp chip TMS320F28335 is connected by SCI communication 5 with GPS chip 11; Peripheral LCD liquid crystal display circuit 12, network chip 13, the document storage system 14 of connecting of ARM chip AT91RM9200; Voltage sensor 6 and current sensor 7 are weak electric signal with external voltage and current conversion, are sent to deliver to AD8364 chip 9 after signal conditioning circuit 8 is handled and be converted to digital signal, send dsp chip TMS320F28335 at last to and carry out analyzing and processing., occur transmitting data by dual port RAM when unusual at voltage, electric current, just often by the SPI communication data transmission at voltage, electric current to satisfy the requirement of the various transient electric-energy quality problems of fast detecting.
Dsp chip TMS320F28335 is connected by SCI communication 5 with GPS chip 11; 6PS chip 11 is transferred to dsp chip TMS320F28335 by SCI communication 5 with current information of time on the one hand and carries out the sampled data calibration, exports synchronous pulse per second (PPS) on the other hand and is undertaken synchronously by 10 pairs of AD sampling pulses of CPLD circuit.
ARM chip AT91RM9200 connects LCD liquid crystal display circuit 12 respectively Monitoring Data is carried out analyzing and processing, the 14 storage (SuSE) Linux OS control system operations of threaded file storage system with data transmission at this locality demonstration, connection network chip 13 to host computer.
The input voltage sensor 6 of this device is connected with signal conditioning circuit 8 with current sensor 7, with external voltage and current conversion is weak electric signal, be sent to signal conditioning circuit 8, signal conditioning circuit 8 is connected with AD8364 chip 9, with analog signal conversion is digital signal, AD8364 chip 9 connects dsp chip TMS320F28335, and the digital signal after the conversion is carried out analyzing and processing.
Claims (3)
1. electric energy quality on-line monitoring device, it is characterized in that with dsp chip TMS320F28335 (1) and ARM chip AT91RM9200 (2) be core, the periphery has connected dual port RAM (3), SPI communication (4), SCI communication (5), voltage sensor (6), current sensor (7), signal conditioning circuit (8), AD8364 sample circuit (9), CPLD circuit (10), GPS circuit (11), LCD liquid crystal display circuit (12), network chip (13), document storage system (14), network communication (15), host computer demonstration (16); Wherein, connect by dual port RAM (3) and SPI communication (4) between dsp chip TMS320F28335 (1) and the ARM chip AT91RM9200 (2), dsp chip TMS320F28335 (1) is connected by SCI communication (5) with GPS chip (11); Peripheral LCD liquid crystal display circuit (12), network chip (13), the document storage system (14) of connecting of ARM chip AT91RM9200 (2); Voltage sensor (6) and current sensor (7) are weak electric signal with external voltage and current conversion, be sent to and deliver to AD8364 chip (9) after signal conditioning circuit (8) is handled and be converted to digital signal, send dsp chip TMS320F28335 (1) at last to and carry out analyzing and processing.
2. electric energy quality on-line monitoring device according to claim 1, it is characterized in that GPS chip (11) is transferred to dsp chip TMS320F28335 (1) by SCI communication (5) with current information of time on the one hand and carries out the sampled data calibration, export synchronous pulse per second (PPS) on the other hand and the AD sampling pulse is carried out synchronously by CPLD circuit (10).
3. electric energy quality on-line monitoring device according to claim 1, it is characterized in that between dsp chip TMS320F28335 (1) and the ARM chip AT91RM9200 (2) at voltage, electric current just often by SPI communication (4) transmission data, occur when unusual by dual port RAM (3) transmission data at voltage, electric current.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184414A CN101625383A (en) | 2009-08-06 | 2009-08-06 | On-line monitoring device for power quality |
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| CN200910184414A CN101625383A (en) | 2009-08-06 | 2009-08-06 | On-line monitoring device for power quality |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871984A (en) * | 2010-05-28 | 2010-10-27 | 中国船舶重工集团公司第七一二研究所 | Device and method for detecting electric energy quality of ships |
| CN101986766A (en) * | 2010-11-01 | 2011-03-16 | 中国地质大学（武汉） | Wireless sensor network gateway device with global position system (GPS) |
| CN102062815A (en) * | 2010-11-10 | 2011-05-18 | 福建睿能电子有限公司 | Electric quantity monitoring method |
| CN102419386A (en) * | 2010-09-27 | 2012-04-18 | 宁夏隆基宁光仪表有限公司 | 0.5-grade electronic type single-phase watt-hour meter |
| CN102445608A (en) * | 2010-10-13 | 2012-05-09 | 深圳市领步科技有限公司 | Monitoring device and calibration method for electric energy quality |
| CN102508082A (en) * | 2011-11-21 | 2012-06-20 | 山东电力研究院 | High-precision multimode low-voltage load power property recording instrument and working method thereof |
| CN102749542A (en) * | 2012-07-17 | 2012-10-24 | 江苏中凌高科技有限公司 | Power quality monitoring device based on double-velocity double-range sampling |
| CN103001632A (en) * | 2012-11-15 | 2013-03-27 | 保定浪拜迪电气股份有限公司 | CPLD-based (complex programmable logic device-based) GPS (global positioning system) synchronous sampling circuit |
| CN103080989A (en) * | 2010-07-13 | 2013-05-01 | 马来西亚理科大学 | A power metering system and a method of displaying reading derived from the same |
| CN103117672A (en) * | 2013-02-07 | 2013-05-22 | 江苏方程电力科技有限公司 | Inverter control circuit applied to electric power system |
| CN103472736A (en) * | 2013-09-24 | 2013-12-25 | 广西电网公司 | Load modeling device based on real-time disturbance data |
| RU2503016C1 (en) * | 2012-06-04 | 2013-12-27 | Василий Васильевич Ефанов | Method for registration of electric energy and system for its realisation |
| CN103576020A (en) * | 2012-08-08 | 2014-02-12 | 成都博课启睿科技有限公司 | Power quality monitoring system based on network |
| CN104062495A (en) * | 2014-07-03 | 2014-09-24 | 国家电网公司 | Touch type electric energy data test recorder |
| CN104635034A (en) * | 2013-11-08 | 2015-05-20 | 上海工程技术大学 | Power grid synchronization measuring system based on precise timing |
| CN105093026A (en) * | 2015-08-19 | 2015-11-25 | 华南理工大学 | Dual-DSP architecture-based special line user energy-saving diagnosis apparatus and energy-saving diagnosis method |
| CN105159254A (en) * | 2015-08-18 | 2015-12-16 | 国家电网公司 | Power grid automation management remote terminal control system |
| CN105277785A (en) * | 2015-11-10 | 2016-01-27 | 四川理工学院 | Internet-of-things-based 3G intelligent electric meter system |
| US9825463B2 (en) | 2015-02-12 | 2017-11-21 | The Mitre Corporation | Devices and systems for distributed power-grid monitoring |
| CN108667000A (en) * | 2018-05-07 | 2018-10-16 | 中国能源建设集团甘肃省电力设计院有限公司 | A kind of ferromagnetic resonance detection of large-sized photovoltaic power station and restraining device |
| CN108802533A (en) * | 2018-06-20 | 2018-11-13 | 保定市斯麦尔电气有限公司 | A kind of Electric Power Quality On-line Monitor System |
| CN109061547A (en) * | 2018-10-09 | 2018-12-21 | 国网河南省电力公司电力科学研究院 | A kind of full-time inspection on-line monitoring system of gate energy meter |
| CN109343386A (en) * | 2018-09-29 | 2019-02-15 | 杭州电子科技大学 | A kind of three phase circuit power monitoring device based on Internet of Things |
| CN111123005A (en) * | 2019-12-26 | 2020-05-08 | 深圳供电局有限公司 | Power quality monitoring system for outgoing line position of power distribution room user |
| CN111725893A (en) * | 2020-06-19 | 2020-09-29 | 西安微电子技术研究所 | Embedded power health detection and management system |
-
2009
- 2009-08-06 CN CN200910184414A patent/CN101625383A/en active Pending
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871984A (en) * | 2010-05-28 | 2010-10-27 | 中国船舶重工集团公司第七一二研究所 | Device and method for detecting electric energy quality of ships |
| CN103080989A (en) * | 2010-07-13 | 2013-05-01 | 马来西亚理科大学 | A power metering system and a method of displaying reading derived from the same |
| CN102419386A (en) * | 2010-09-27 | 2012-04-18 | 宁夏隆基宁光仪表有限公司 | 0.5-grade electronic type single-phase watt-hour meter |
| CN102445608A (en) * | 2010-10-13 | 2012-05-09 | 深圳市领步科技有限公司 | Monitoring device and calibration method for electric energy quality |
| CN102445608B (en) * | 2010-10-13 | 2014-02-19 | 领步科技集团有限公司 | Monitoring device and calibration method for electric energy quality |
| CN101986766A (en) * | 2010-11-01 | 2011-03-16 | 中国地质大学（武汉） | Wireless sensor network gateway device with global position system (GPS) |
| CN102062815A (en) * | 2010-11-10 | 2011-05-18 | 福建睿能电子有限公司 | Electric quantity monitoring method |
| CN102508082B (en) * | 2011-11-21 | 2014-03-26 | 山东电力研究院 | High-precision multimode low-voltage load power property recording instrument and working method thereof |
| CN102508082A (en) * | 2011-11-21 | 2012-06-20 | 山东电力研究院 | High-precision multimode low-voltage load power property recording instrument and working method thereof |
| RU2503016C1 (en) * | 2012-06-04 | 2013-12-27 | Василий Васильевич Ефанов | Method for registration of electric energy and system for its realisation |
| CN102749542A (en) * | 2012-07-17 | 2012-10-24 | 江苏中凌高科技有限公司 | Power quality monitoring device based on double-velocity double-range sampling |
| CN102749542B (en) * | 2012-07-17 | 2014-06-18 | 江苏中凌高科技有限公司 | Power quality monitoring device based on double-velocity double-range sampling |
| CN103576020A (en) * | 2012-08-08 | 2014-02-12 | 成都博课启睿科技有限公司 | Power quality monitoring system based on network |
| CN103001632A (en) * | 2012-11-15 | 2013-03-27 | 保定浪拜迪电气股份有限公司 | CPLD-based (complex programmable logic device-based) GPS (global positioning system) synchronous sampling circuit |
| CN103117672B (en) * | 2013-02-07 | 2015-08-26 | 江苏方程电力科技有限公司 | A kind of inverter control circuit be applied in electric power system |
| CN103117672A (en) * | 2013-02-07 | 2013-05-22 | 江苏方程电力科技有限公司 | Inverter control circuit applied to electric power system |
| CN103472736B (en) * | 2013-09-24 | 2016-08-24 | 广西电网公司 | A kind of load modeling device based on real-time disturbance data |
| CN103472736A (en) * | 2013-09-24 | 2013-12-25 | 广西电网公司 | Load modeling device based on real-time disturbance data |
| CN104635034A (en) * | 2013-11-08 | 2015-05-20 | 上海工程技术大学 | Power grid synchronization measuring system based on precise timing |
| CN104062495A (en) * | 2014-07-03 | 2014-09-24 | 国家电网公司 | Touch type electric energy data test recorder |
| US9825463B2 (en) | 2015-02-12 | 2017-11-21 | The Mitre Corporation | Devices and systems for distributed power-grid monitoring |
| CN105159254A (en) * | 2015-08-18 | 2015-12-16 | 国家电网公司 | Power grid automation management remote terminal control system |
| CN105093026A (en) * | 2015-08-19 | 2015-11-25 | 华南理工大学 | Dual-DSP architecture-based special line user energy-saving diagnosis apparatus and energy-saving diagnosis method |
| CN105277785A (en) * | 2015-11-10 | 2016-01-27 | 四川理工学院 | Internet-of-things-based 3G intelligent electric meter system |
| CN108667000A (en) * | 2018-05-07 | 2018-10-16 | 中国能源建设集团甘肃省电力设计院有限公司 | A kind of ferromagnetic resonance detection of large-sized photovoltaic power station and restraining device |
| CN108802533A (en) * | 2018-06-20 | 2018-11-13 | 保定市斯麦尔电气有限公司 | A kind of Electric Power Quality On-line Monitor System |
| CN109343386A (en) * | 2018-09-29 | 2019-02-15 | 杭州电子科技大学 | A kind of three phase circuit power monitoring device based on Internet of Things |
| CN109343386B (en) * | 2018-09-29 | 2024-02-09 | 杭州电子科技大学 | Three-phase circuit power monitoring device based on Internet of things |
| CN109061547A (en) * | 2018-10-09 | 2018-12-21 | 国网河南省电力公司电力科学研究院 | A kind of full-time inspection on-line monitoring system of gate energy meter |
| CN111123005A (en) * | 2019-12-26 | 2020-05-08 | 深圳供电局有限公司 | Power quality monitoring system for outgoing line position of power distribution room user |
| CN111725893A (en) * | 2020-06-19 | 2020-09-29 | 西安微电子技术研究所 | Embedded power health detection and management system |
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Open date: 20100113 |