CN105116269A - Power quality detection and optimization structure for high-low-voltage power distribution cabinet - Google Patents
Power quality detection and optimization structure for high-low-voltage power distribution cabinet Download PDFInfo
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- CN105116269A CN105116269A CN201510667137.7A CN201510667137A CN105116269A CN 105116269 A CN105116269 A CN 105116269A CN 201510667137 A CN201510667137 A CN 201510667137A CN 105116269 A CN105116269 A CN 105116269A
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Abstract
The invention discloses a power quality detection and optimization structure for a high-low-voltage power distribution cabinet. The power quality detection and optimization structure comprises a microprocessor, a capacitive voltage divider, a current transformer, a voltage sensor, a current sensor, a filter, a data acquisition device, a power quality detection unit and a database unit, wherein the voltage sensor and the current sensor are connected with the data acquisition device through the filter; the data acquisition device is connected with the database unit through the power quality detection unit; the database unit is further connected with the microprocessor. According to the scheme, the power quality detection and optimization structure has low power consumption and good stability and is used for acquiring power information of the high-low-voltage power distribution cabinet so as to obtain power consumption parameters and power quality parameters and realize monitoring of the power quality in the high-low-voltage power distribution cabinet, meanwhile, the reason of power waste is analyzed according to the power quality parameters, and accordingly, corresponding measures are taken to reduce energy consumption.
Description
Technical field
The present invention relates to the field of power distribution cabinet, particularly relate to a kind of high-low voltage electric power distribution cabinet Power Quality Detection and optimize structure.
Background technology
The quality of power supply is the organic synthesis of multiple index, and along with the development of society, the quality of the quality of power supply is more and more subject to the attention of society.The Utilities Electric Co. of the quality of power supply understands its Power System Performance and makes it the prerequisite of meeting consumers' demand, being the first step of analysis and solve power quality problem, is in power market transaction, set up technology and the data basis whether quality of power supply energy and service standard and inspection power supply department reach quality level in qualified shop.Along with the rapid progress of electronic technology, in order to adapt to the needs of contemporary power system development, must detect the quality of power supply of network system.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of high-low voltage electric power distribution cabinet Power Quality Detection and optimizes structure, low in energy consumption, good stability, for collecting power consumption parameter and power quality parameter to the energy information of high-low voltage electric power distribution cabinet, realize the monitoring to the quality of power supply in high-low voltage electric power distribution cabinet, analyze the reason of waste of energy simultaneously according to power quality parameter, thus take corresponding measure to reduce the consumption of the energy.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of high-low voltage electric power distribution cabinet Power Quality Detection and optimize structure, comprise microprocessor, capacitive divider, current transformer, voltage sensor, current sensor, wave filter, data acquisition unit, Power Quality Detection unit and Database Unit, described microprocessor is connected with voltage sensor by capacitive divider, described microprocessor is connected with current sensor by current transformer, described voltage sensor is all connected with data acquisition unit by wave filter with current sensor, described data acquisition unit is connected with Database Unit by Power Quality Detection unit, described Database Unit is also connected with microprocessor.
In a preferred embodiment of the present invention, described microprocessor adopts the arm processor being embedded with Cortex-M3 kernel.
In a preferred embodiment of the present invention, the operating frequency range of described capacitive divider summation current transformer is at 20Hz-20kHz.
In a preferred embodiment of the present invention, described high-low voltage electric power distribution cabinet Power Quality Detection is optimized structure and is also comprised A/D converter, and described A/D converter is connected between data acquisition unit and Power Quality Detection unit.
The invention has the beneficial effects as follows: high-low voltage electric power distribution cabinet Power Quality Detection of the present invention is optimized structure, low in energy consumption, good stability, for collecting power consumption parameter and power quality parameter to the energy information of high-low voltage electric power distribution cabinet, realize the monitoring to the quality of power supply in high-low voltage electric power distribution cabinet, analyze the reason of waste of energy simultaneously according to power quality parameter, thus take corresponding measure to reduce the consumption of the energy.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structured flowchart of the preferred embodiment that high-low voltage electric power distribution cabinet Power Quality Detection of the present invention is optimized structure.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the embodiment of the present invention comprises:
A kind of high-low voltage electric power distribution cabinet Power Quality Detection is optimized structure, comprise microprocessor, capacitive divider, current transformer, voltage sensor, current sensor, wave filter, data acquisition unit, Power Quality Detection unit and Database Unit, described microprocessor is connected with voltage sensor by capacitive divider, described microprocessor is connected with current sensor by current transformer, described voltage sensor is all connected with data acquisition unit by wave filter with current sensor, described data acquisition unit is connected with Database Unit by Power Quality Detection unit, described Database Unit is also connected with microprocessor.
In above-mentioned, described microprocessor adopts the arm processor being embedded with Cortex-M3 kernel, and can ensure energy data fast processing, also have abundant enhancement mode I/O port, extensibility is good, and has moderate cost, low in energy consumption, and exploitation is convenient.
Further, the operating frequency range of described capacitive divider summation current transformer is at 20Hz-20kHz, select that high precision, volume are little, precision is high, totally-enclosed, mechanical and environmental resistance is good, voltage isolation capabilities is strong, safe and reliable capacitive divider summation current transformer, the effect of capacitive divider summation current transformer converts large voltage and current signal to small-signal, is convenient to the data parameters of voltage sensor and current sensor transmission voltage and electric current.
In the present embodiment, described high-low voltage electric power distribution cabinet Power Quality Detection is optimized structure and is also comprised A/D converter, and described A/D converter is connected between data acquisition unit and Power Quality Detection unit.Voltage and current signal are carried out analysis detection by Power Quality Detection unit after being changed by A/D converter and obtain power consumption parameter and power quality parameter, obtain power consumption parameter and power quality parameter stored in Database Unit transfer to microprocessor by obtained, realize the monitoring to the quality of power supply in high-low voltage electric power distribution cabinet, analyze the reason of waste of energy simultaneously according to power quality parameter.
In sum, high-low voltage electric power distribution cabinet Power Quality Detection of the present invention is optimized structure, low in energy consumption, good stability, for collecting power consumption parameter and power quality parameter to the energy information of high-low voltage electric power distribution cabinet, realize the monitoring to the quality of power supply in high-low voltage electric power distribution cabinet, analyze the reason of waste of energy simultaneously according to power quality parameter, thus take corresponding measure to reduce the consumption of the energy.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a high-low voltage electric power distribution cabinet Power Quality Detection is optimized structure, it is characterized in that, comprise microprocessor, capacitive divider, current transformer, voltage sensor, current sensor, wave filter, data acquisition unit, Power Quality Detection unit and Database Unit, described microprocessor is connected with voltage sensor by capacitive divider, described microprocessor is connected with current sensor by current transformer, described voltage sensor is all connected with data acquisition unit by wave filter with current sensor, described data acquisition unit is connected with Database Unit by Power Quality Detection unit, described Database Unit is also connected with microprocessor.
2. high-low voltage electric power distribution cabinet Power Quality Detection according to claim 1 is optimized structure, and it is characterized in that, described microprocessor adopts the arm processor being embedded with Cortex-M3 kernel.
3. high-low voltage electric power distribution cabinet Power Quality Detection according to claim 1 is optimized structure, and it is characterized in that, the operating frequency range of described capacitive divider summation current transformer is at 20Hz-20kHz.
4. high-low voltage electric power distribution cabinet Power Quality Detection according to claim 1 is optimized structure, it is characterized in that, described high-low voltage electric power distribution cabinet Power Quality Detection is optimized structure and is also comprised A/D converter, and described A/D converter is connected between data acquisition unit and Power Quality Detection unit.
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| CN201510667137.7A CN105116269A (en) | 2015-10-16 | 2015-10-16 | Power quality detection and optimization structure for high-low-voltage power distribution cabinet |
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| CN201510667137.7A CN105116269A (en) | 2015-10-16 | 2015-10-16 | Power quality detection and optimization structure for high-low-voltage power distribution cabinet |
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| CN104515919A (en) * | 2014-12-24 | 2015-04-15 | 镇江长河电力技术有限公司 | Energy-efficiency online monitoring and analysis system of distribution transformer |
| CN205015419U (en) * | 2015-10-16 | 2016-02-03 | 苏州华源电气有限公司 | High -low voltage power distribution cabinet electric energy quality detection optimization structure |
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2015
- 2015-10-16 CN CN201510667137.7A patent/CN105116269A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6687627B1 (en) * | 1999-08-09 | 2004-02-03 | Power Measurement Ltd. | Electric charge storage apparatus and method for an intelligent electronic device |
| JP2006098378A (en) * | 2004-09-29 | 2006-04-13 | Seratekku Kk | High precision voltage/current sensor for power transmission and distribution system |
| CN201218822Y (en) * | 2008-07-01 | 2009-04-08 | 乐山一拉得电网自动化有限公司 | Electric energy quality on-line monitoring device |
| CN201514444U (en) * | 2009-10-15 | 2010-06-23 | 西安西微电力设备有限公司 | High voltage power quality monitoring device |
| CN102053203A (en) * | 2010-11-04 | 2011-05-11 | 武汉国测恒通智能仪器有限公司 | Detection method and device for high-voltage power quality |
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