CN202178579U - Automatic low-voltage reactive compensator - Google Patents
Automatic low-voltage reactive compensator Download PDFInfo
- Publication number
- CN202178579U CN202178579U CN 201120318121 CN201120318121U CN202178579U CN 202178579 U CN202178579 U CN 202178579U CN 201120318121 CN201120318121 CN 201120318121 CN 201120318121 U CN201120318121 U CN 201120318121U CN 202178579 U CN202178579 U CN 202178579U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The utility model provides an automatic low-voltage reactive compensator and relates to the electric field. The utility model aims to overcome shortcomings of the prior art and provides an automatic low-voltage reactive compensator having complete functions, high precision and high automation degree. The automatic low-voltage reactive compensator includes a screen holder, a face plate, and a movement plate fixed on the face plate of the screen holder. A central processing unit, a control module, a switching power panel, an interface card and a connection wire are arranged in the movement plate. The control module connects with the central processing unit. An outer periphery of the central processing unit connects with the control module, a real-time clock and a data storage chip having 1M Byte. Voltage signals sampled in a main loop and current signals sampled through a current transformer connect with the central processing unit directly through an A/D converter. The automatic low-voltage reactive compensator has functions of collecting and processing data intelligently at high rate and in large capacity, realizing remote communication and the like. A multi-loop reactive compensation control method is adopted in the utility model. Thus, the compensation range is enlarged. And the automatic low-voltage reactive compensator can be used conveniently and has a low cost.
Description
Technical field
The utility model relates to electric field, relates in particular to a kind of low-voltage reactive power automatic compensation device.
Background technology
The use of low-voltage reactive power automatic compensation device can reduce the power supplying and distributing equipment electric energy loss, improve the power supplying and distributing equipment utilance; And improve to supply the quality of voltage of distribution electric energy to a certain extent; Therefore always receive power supply enterprise and electricity consumption client's great attention, receive very widely and using.Low-voltage reactive power automatic compensation device has the history of many decades; Because the continuous development of electric power, electrical equipment and electronic technology; Device performance improves constantly; Particularly modern power electronic and the microelectric technique application on low-voltage reactive power automatic compensation device is greatly improved the switch performance of switching low-voltage electric power capacitor, and can realizes greater functionality.At present society generally to use the structure of low-voltage reactive power automatic compensation device be that switch and some protection assemblies by a controller and some low voltage power capacitors, switching low-voltage electric power capacitor assembles in screen, cabinet or case; The small product size that forms is big; Inner complicated; The property tieed up is poor, and capacity does not have scalability, the further intelligent difficulty of device.The reactive-load compensator structure of generally using in the society at present is that structure is numerous and diverse always, and volume is big, and intelligent low, fault is many, and compensation effect is general.
The utility model content
The utility model technical problem to be solved is the deficiency that overcomes prior art, and the low-voltage reactive power automatic compensation device that a kind of function is more complete, precision is high, automaticity is high is provided.Have that two-forty, big capacity are gathered in real time and intelligent deal with data, can realize function such as telecommunication; Adopt multiloop reactive power compensation control, the scope of compensation strengthens, and is easy to use, cost is low.
The technical scheme that the utility model adopted is:
A kind of low-voltage reactive power automatic compensation device; Comprise screen frame, panel, be fixed on the machine core board on the screen frame panel; There are central authorities to handle CPU, control module, Switching Power Supply plate and interface card and connecting line in the machine core board; Control module connects central authorities through data and handles CPU; The periphery of the processing CPU of central authorities connects the pin-saving chip of control module, real-time clock and 1M Byte; From the voltage signal of major loop sampling, and the current signal through the current transformer sampling directly connects central authorities through the A/D digital-to-analogue conversion and handles CPU: the Switching Power Supply plate connects major loop through the three-phase interlock switch: monitor signal interface, USB interface, RS-232/RS-485 communication control interface, Keyboard Control interface, reactive power compensation interface and video card are arranged on the control module: its USB interface is connected a data portable hard drive that is used for image data; Communication control interface connects far infrared meter-copy device or cassette meter-copy device, and the serial communication interface of supporting GPRS module telecommunication system is arranged in the RS-232/RS-485 communication control interface; Described reactive power compensation interface connects the noncontacting switch in the multichannel reactive power compensation loop, and this noncontacting switch is positioned at major loop, connects the three-phase power capacitor group of self-healing metallized polypropylene film medium; Install reactor and infrared sensor respectively additional at every capacitor, infrared sensor is connected on the monitor signal interface; Described Keyboard Control interface is mounted on the conduction glass film touch key-press on the screen frame panel through winding displacement; Described control module earthing video card, connecting line connect a big LCD LCDs that is installed on the screen frame panel.
The technique effect of the utility model:
1, the utility model adopts the three-phase power capacitor of the self-healing metallized polypropylene film medium of domestic and international renowned company production.Each capacitance group adopts infrared electronic technology, discerns fault electric capacity automatically and excises automatically.Have the fault automatic protection functions, after electrical network breaks down or has a power failure, withdraw from electrical network automatically, can resume operation automatically behind fault eliminating or the incoming call.
2, adopt three-phase interlocking technology on the power panel, under three phase supply phase shortage situation, can guarantee the utility model operate as normal.
3, adopt the LCD LCDs dynamically to show: capacitance group switching state, parameters such as hysteresis leading phase angle, power factor, voltage, electric current, reactive power, active power, apparent power, instrument transformer variation, idle thresholding, switching time-delay, overvoltage thresholding.
4, the utility model has the RS-232C/RS-485 communication interface, has disposed the GPRS communication module, supports the IEC-101 Standards Code, can realize online programming: also can form the electric power monitoring system larger, that function is more complete through networking mode.
5, USB mechanics of communication and the data portable hard drive acquisition technique selected for use of the utility model, compare have the communication speed height, memory capacity is big, volume little easy to carry, need not powered battery, can be hot-swappable, handling safety, sorrow gesture that cost is low.
Description of drawings
Fig. 1 is the utility model low-voltage reactive power automatic compensation device circuit structure schematic diagram.
Among the figure: 1, machine core board; 2, far infrared meter-copy device; 3, cassette meter-copy device; 4, serial communication interface; 5, big LCD LCDs; 6, conduction glass film touch key-press; 7, current transformer; 8, data portable hard drive; 9, on-load switch; 10, reactor; 11, noncontacting switch; 12, three-phase power capacitor group; 13, infrared sensor.
Embodiment
According to accompanying drawing and embodiment the utility model is done further explain below.
It shown in Fig. 1 a kind of low-voltage reactive power automatic compensation device; Comprise screen frame, panel, be fixed on the machine core board 1 on the screen frame panel; There are central authorities to handle CPU, control module, Switching Power Supply plate and interface card and connecting line in the machine core board 1; Control module connects central authorities through data and handles CPU; The periphery of the processing CPU of central authorities connects the pin-saving chip of control module, real-time clock and 1M Byte; From the voltage signal of major loop sampling, and the current signal through current transformer 7 samplings directly connects central authorities through the A/D digital-to-analogue conversion and handles CPU: the Switching Power Supply plate connects major loop through the three-phase interlock switch, and it can guarantee, and bio-occlusion monolithic computer mainboard provides under the situation of three phase mains phase shortage+12V ,+5V ,-the 5V direct current.
Monitor signal interface, USB interface, RS-232/RS-485 communication control interface, Keyboard Control interface, reactive power compensation interface and video card are arranged on the control module: its USB interface is connected a data portable hard drive 8 that is used for image data: communication control interface connects far infrared meter-copy device 2 or cassette meter-copy device 3; The serial communication interface 4 of supporting GPRS module telecommunication system is arranged in the RS-232/RS-485 communication control interface; The serializable communication; Support IBC-101 is a Standards Code, can realize online programming; Communication control interface can be formed the electric power monitoring system larger, that function is more complete through networking mode; Described reactive power compensation interface connects the noncontacting switch 11 in the multichannel reactive power compensation loop; This noncontacting switch 11 is positioned at major loop; The three-phase power capacitor group 12 that connects self-healing metallized polypropylene film medium; This three-phase power capacitor divides into groups by the capacity of grade; The grouping switching of switching mode or coding switching mode in order: install reactor 10 and infrared sensor 13 respectively additional at every capacitor, infrared sensor 13 is connected on the monitor signal interface: also be connected to on-load switch 9 on the major loop.Described Keyboard Control interface is mounted on the conduction glass film touch key-press 6 on the screen frame panel through winding displacement: described control module connects a big LCD LCDs 5 that is installed on the screen frame panel through video card, connecting line.
Claims (1)
1. low-voltage reactive power automatic compensation device; Comprise screen frame, panel, be fixed on the machine core board (1) on the screen frame panel; There are central authorities to handle CPU, control module, Switching Power Supply plate and interface card and connecting line in the machine core board (1); Control module connects central authorities through data and handles CPU; It is characterized in that: the periphery of the processing CPU of central authorities connects the pin-saving chip of control module, real-time clock and 1M Byte; From the voltage signal of major loop sampling, and directly connect the processing CPU of central authorities through the current signal of current transformer (7) sampling through the A/D digital-to-analogue conversion, the Switching Power Supply plate connects major loop through the three-phase interlock switch; Monitor signal interface, USB interface, RS-232/RS-485 communication control interface, Keyboard Control interface, reactive power compensation interface and video card are arranged on the control module; Its USB interface connects a data portable hard drive (8) that is used for image data, and communication control interface connects far infrared meter-copy device (2) or cassette meter-copy device (3), and the serial communication interface (4) of supporting GPRS module telecommunication system is arranged in the RS-232/RS-485 communication control interface; Described reactive power compensation interface connects the noncontacting switch (11) in the multichannel reactive power compensation loop, and this noncontacting switch (11) is positioned at major loop, connects the three-phase power capacitor group (12) of self-healing metallized polypropylene film medium; Install reactor (10) and infrared sensor (13) respectively additional at every capacitor, infrared sensor (13) is connected on the monitor signal interface; Described Keyboard Control interface is mounted on the conduction glass film touch key-press (6) on the screen frame panel through winding displacement; Described control module earthing video card, connecting line connect a big LCD LCDs (5) that is installed on the screen frame panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120318121 CN202178579U (en) | 2011-08-29 | 2011-08-29 | Automatic low-voltage reactive compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120318121 CN202178579U (en) | 2011-08-29 | 2011-08-29 | Automatic low-voltage reactive compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178579U true CN202178579U (en) | 2012-03-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120318121 Expired - Fee Related CN202178579U (en) | 2011-08-29 | 2011-08-29 | Automatic low-voltage reactive compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169762A (en) * | 2016-07-18 | 2016-11-30 | 安徽得润电气技术有限公司 | A kind of low-voltage reactive power automatic compensation device under multiloop the control of reactive power compensating |
-
2011
- 2011-08-29 CN CN 201120318121 patent/CN202178579U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169762A (en) * | 2016-07-18 | 2016-11-30 | 安徽得润电气技术有限公司 | A kind of low-voltage reactive power automatic compensation device under multiloop the control of reactive power compensating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20140829 |
|
| EXPY | Termination of patent right or utility model |