CN203800601U - PGL series low-voltage reactive power automatic compensation cabinet - Google Patents
PGL series low-voltage reactive power automatic compensation cabinet Download PDFInfo
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- CN203800601U CN203800601U CN201420113870.5U CN201420113870U CN203800601U CN 203800601 U CN203800601 U CN 203800601U CN 201420113870 U CN201420113870 U CN 201420113870U CN 203800601 U CN203800601 U CN 203800601U
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- voltage
- reactive power
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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)
Abstract
The utility model relates to a PGL series low-voltage reactive power automatic compensation cabinet, which comprises a shell and an intelligent reactive power automatic compensation controller, wherein the shell is internally provided with an accommodating chamber, the intelligent reactive power automatic compensation controller is arranged in the accommodating chamber and comprises a data acquisition module, a central processor, a fan starting control unit and a plurality of intelligent capacitors, the data acquisition module comprises a current transformer, a voltage transformer and a temperature monitoring instrument, the output end of the data acquisition module is electrically connected with the input end of the central processor, and the output end of the central processor is electrically connected with the intelligent capacitors and the fan starting control unit. The PGL series low-voltage reactive power automatic compensation cabinet can realize combination of reactive power automatic compensation and control for the operating temperature dynamically and quickly of a power distribution system, and realizes safe, high-quality and economical operations of a power grid under the premise of ensuring the PGL series low-voltage reactive power automatic compensation cabinet to operate at a normal temperature.
Description
Technical field
The utility model belongs to power supply technique field, is specifically related to a kind of PGL series Low-voltage auto-compensation cabinet.
Background technology
PGL type AC low voltage power switch box is applicable to the power consumers such as power plant, industrial enterprise of electric substation, it is exchanging 50HZ, rated operational voltage is 380v, and rated current is the use of the conversion of the electric energy as power, illumination and controller switching equipment, distribution and the control of 1600A distribution system.Although, this product has advantages of high, the specified short time withstand current of breaking capacity up to 50KA, but, it is installed and operational environment is had relatively high expectations, for example, during its normal work, ambient air temperature is the highest must not be higher than+40oC, minimum must not be lower than-5oC, and require the 24 hourly average temperature must not be higher than+35oC.
On the other hand, along with scientific and technical development, to power quality, require more and more higher.And most customer charges are inductive load, as: industrial and mining enterprises, factory building, school, office, harbour, family etc.Because the power factor of circuit determines by load, the height of power factor will have influence on the utilance of size of current, the loss of voltage, power loss and generating equipment in electric line.So, for improving power quality and the voltage stabilization of modern industry, and the power factor that improves all terminal power consumption equipments in low-voltage distribution system supply and distribution network, must carry out reactive power support fast to power supply-distribution system.
And traditional PGL type AC low voltage power switch box it is simple in structure, reactive power automatic compensation low-response not only, and the working temperature that cannot realize power distribution cabinet controls and combine with reactive power automatic compensation, is difficult to meet actual instructions for use.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of PGL series Low-voltage auto-compensation cabinet, can realize distribution system dynamically fast reactive power automatic compensation control and combine with its working temperature, guaranteeing, under the prerequisite of PGL series Low-voltage auto-compensation cabinet normal temperature work, to realize power grid security, high-quality, economical operation.
For achieving the above object, a kind of PGL series Low-voltage auto-compensation cabinet of the utility model, comprise the housing of establishing accommodation chamber in one, be arranged on the intelligent inactivity automatic compensating controller in this accommodation chamber, it is characterized in that: described intelligent inactivity automatic compensating controller comprises data acquisition module, central processing unit, fan starting control unit and several intelligent capacitors, described data acquisition module comprises for gathering the current transformer of output current signal, for gathering the voltage transformer of output voltage signal and for gathering the temperature monitor of accommodating indoor temperature, the output of described data acquisition module and the input of described central processing unit are electrically connected, and the output of this central processing unit and described intelligent capacitor and fan starting control unit are electrical connected.
On the basis of such scheme, preferably, the output of described central processing unit is also connected to one for showing the display unit of data acquisition module institute image data.
On the basis of such scheme, preferably, between described intelligent capacitor and described central processing unit, be also provided with a communication module.
On the basis of such scheme, preferably, the output of described central processing unit is also connected to one for realizing the wireless communication module of remote data transmission.
On the basis of such scheme, preferably, described housing is provided with louvre.
The utility model compared with prior art, its beneficial effect is: the utility model passes through current transformer, voltage transformer gathers respectively Voltage-output signal and the current output signal of electrical network to be measured, and convert the current signal of the electrical network to be measured collecting and voltage signal to electrical parameter, be transferred in central processing unit, after central processing unit analyzing and processing, calculate realtime power factor, when power factor is lower than set point, just send signal controlling intelligent capacitor and drop into instruction, when power factor is higher than set point, just send signal controlling intelligent capacitor excision instruction, thereby realize power auto-compensation and adjustment to electrical network to be measured, guarantee the stability that line voltage and electric current are carried, simultaneously, data acquisition module of the present utility model also comprises for gathering the temperature monitor of accommodating indoor temperature, temperature monitor is sent to central processing unit by the data of collection, after its analyzing and processing, when the accommodating indoor temperature of judgement is during higher than the normal temperature of PGL series Low-voltage auto-compensation cabinet work, by central processing unit, send control information to fan starting control unit, by fan starting control unit, start blower fan running, temperature in when accommodating with realization reduction, guarantees its normal operation.
Accompanying drawing explanation
Fig. 1 is the logic diagram of intelligent inactivity automatic compensating controller of the present utility model;
In figure: 10. intelligent inactivity automatic compensating controller, 11. central processing units, 12. fan starting control units, 13. intelligent capacitors, 14. display units, 15. communication modules, 16. wireless communication modules, 20. data acquisition modules, 21. current transformers, 22. voltage transformers, 23. temperature monitors.
Embodiment
By describe in detail the utility model technology contents, structural feature, reached object and effect, below hereby exemplify embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, and in conjunction with consulting shown in Fig. 2, the utility model provides a kind of PGL series Low-voltage auto-compensation cabinet, in comprising, establish the housing of accommodation chamber, be arranged on the intelligent inactivity automatic compensating controller 10 in this accommodation chamber, wherein, this intelligent inactivity automatic compensating controller 10 comprises data acquisition module 20, central processing unit 11, fan starting control unit 12 and several intelligent capacitors 13, data acquisition module 20 comprises for gathering the current transformer 21 of output current signal, for gathering the voltage transformer 22 of output voltage signal and for gathering the temperature monitor 23 of accommodating indoor temperature, the input of the output of data acquisition module 20 and central processing unit 11 is electrically connected, the output of central processing unit 11 and intelligent capacitor 13 and fan starting control unit 12 are electrical connected, and be provided with communication module 15 between central processing unit 11 and intelligent capacitor 13, the control information of central processing unit 11 outputs is sent to intelligent capacitor 13 by communication module 15, control the switching of intelligent capacitor 13, wherein, this communication module 15 preferably adopts anti-lightning strike 485 interface chip SN75LBC184, all adopts photoelectric coupled circuit to carry out insulation blocking with central processing unit 11 interface signals, and RS485 output adopts the lightning protection of TVS diode, has improved the reliability of work.
During work, the current transformer 21 of data acquisition module 20, voltage transformer 22 gathers respectively Voltage-output signal and the current output signal of electrical network to be measured, and convert the current signal of the electrical network to be measured collecting and voltage signal to electrical parameter, be transferred in central processing unit 11, after central processing unit 11 analyzing and processing, calculate realtime power factor, when power factor is lower than set point, just send signal controlling intelligent capacitor 13 and drop into instruction, when power factor is higher than set point, just send the 13 excision instructions of signal controlling intelligent capacitor, thereby realize power auto-compensation and adjustment to electrical network to be measured, guarantee the stability that line voltage and electric current are carried, simultaneously, data acquisition module 20 of the present utility model also comprises for gathering the temperature monitor 23 of accommodating indoor temperature, temperature monitor 23 is sent to central processing unit 11 by the data of collection, after its analyzing and processing, when the accommodating indoor temperature of judgement is during higher than the normal temperature of PGL series Low-voltage auto-compensation cabinet work, by central processing unit 11, send control information to fan starting control unit 12, by fan starting control unit 12, start blower fan running, temperature in when accommodating with realization reduction, guarantees its normal operation.
Further, in order to realize the visualized management to power grid quality, the output of central processing unit 11 of the present utility model is also connected to one for showing the display unit 14 of 20 image data of data acquisition module; And the output of central processing unit 11 of the present utility model is also connected to one for realizing the wireless communication module 16 of remote data transmission, user can receive by mobile radio terminal or remote control wireless device the power supply quality data of electrical network to be measured, and the working temperature remote monitoring to PGL series Low-voltage auto-compensation cabinet.Wherein, housing of the present utility model is provided with louvre, for mediating the accommodation chamber internal work heat that reduces PGL series Low-voltage auto-compensation cabinet, guarantees that it works under normal temperature.
In sum, be only the preferred embodiment of the utility model, with this, do not limit protection range of the present utility model, all equivalences of doing according to the utility model the scope of the claims and description change and modify, within being all the scope that the utility model patent contains.
Claims (5)
1. PGL series Low-voltage auto-compensation cabinet, comprise the housing of establishing accommodation chamber in one, be arranged on the Intelligent reactive power automatic compensating controller in this accommodation chamber, it is characterized in that: described Intelligent reactive power automatic compensating controller comprises data acquisition module, central processing unit, fan starting control unit and several intelligent capacitors, described data acquisition module comprises for gathering the current transformer of output current signal, for gathering the voltage transformer of output voltage signal and for gathering the temperature monitor of accommodating indoor temperature, the output of described data acquisition module and the input of described central processing unit are electrically connected, and the output of this central processing unit and described intelligent capacitor and fan starting control unit are electrical connected.
2. PGL series Low-voltage auto-compensation cabinet as claimed in claim 1, is characterized in that: the output of described central processing unit is also connected to one for showing the display unit of data acquisition module institute image data.
3. PGL series Low-voltage auto-compensation cabinet as claimed in claim 1, is characterized in that: between described intelligent capacitor and described central processing unit, be also provided with a communication module.
4. PGL series Low-voltage auto-compensation cabinet as claimed in claim 1, is characterized in that: the output of described central processing unit is also connected to one for realizing the wireless communication module of remote data transmission.
5. the series of the PGL as described in claim 1-4 any one Low-voltage auto-compensation cabinet, is characterized in that: described housing is provided with louvre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113870.5U CN203800601U (en) | 2014-03-13 | 2014-03-13 | PGL series low-voltage reactive power automatic compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113870.5U CN203800601U (en) | 2014-03-13 | 2014-03-13 | PGL series low-voltage reactive power automatic compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800601U true CN203800601U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420113870.5U Expired - Fee Related CN203800601U (en) | 2014-03-13 | 2014-03-13 | PGL series low-voltage reactive power automatic compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655898A (en) * | 2016-03-24 | 2016-06-08 | 长葛市和合电气有限公司 | Power distribution cabinet with CPU occupying independent cabinet chamber |
| CN108963836A (en) * | 2018-08-28 | 2018-12-07 | 华宇通明电气（天津）有限公司 | A kind of electric leakage automatic alarm distribution box and its application method |
-
2014
- 2014-03-13 CN CN201420113870.5U patent/CN203800601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655898A (en) * | 2016-03-24 | 2016-06-08 | 长葛市和合电气有限公司 | Power distribution cabinet with CPU occupying independent cabinet chamber |
| CN108963836A (en) * | 2018-08-28 | 2018-12-07 | 华宇通明电气（天津）有限公司 | A kind of electric leakage automatic alarm distribution box and its application method |
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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: 20140827 Termination date: 20180313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |