CN204304437U - Intelligent powerless compensation cabinet experiment test system - Google Patents
Intelligent powerless compensation cabinet experiment test system Download PDFInfo
- Publication number
- CN204304437U CN204304437U CN201420413089.XU CN201420413089U CN204304437U CN 204304437 U CN204304437 U CN 204304437U CN 201420413089 U CN201420413089 U CN 201420413089U CN 204304437 U CN204304437 U CN 204304437U
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- CN
- China
- Prior art keywords
- phase voltage
- module
- master control
- control borad
- electric capacity
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- Expired - Fee Related
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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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Abstract
The utility model relates to a kind of intelligent powerless compensation cabinet experiment test system.Comprise master control borad, master control borad connects three-phase voltage current output module, electric capacitor detection module and feeder line plate by RS485 interface; Described electric capacitor detection module, three-phase voltage current output module realize communicating by RS485 interface and feeder line plate; Described master control borad comprises CPU, CPU is connected with electric capacity input control device, electric capacity excision controller and capacitance detecting controller; Described three-phase voltage current output module comprises the three-phase voltage, the current-mode analog quantity output device that are connected with master control borad, and three-phase voltage, current-mode analog quantity output device export to idle compensating control by isolation boosting transformer.The utility model is by adopting intelligentized electric power electronic module, and by the reasonable Arrangement of modules and communication, make the utility model achieve intellectualized detection, detection efficiency is high, and accuracy obtains effective raising, creates good economic benefit.
Description
Technical field
The utility model relates to a kind of intelligent powerless compensation cabinet experiment test system, belongs to electric power electric technical field.
Background technology
Alternating current is in by pure resistive loads, and electric energy has all changed into heat energy, and in by pure capacitive or pure inductive load, does not do work.That is do not consume electric energy, be reactive power.Certain actual loading, can not be pure capacitive load or pure inductive load, general is all Combination load, such electric current is by them, just having part electric energy not do work, is exactly reactive power, and power factor is now less than 1, in order to improve the utilization rate of electric energy, reactive-load compensation will be carried out.
The principle of reactive-load compensation: the device and inductive load with capacitive power load are attempted by same circuit, when capacitive load releases energy, inductive load absorbs energy, and when inductive load releases energy, capacitive load absorbs energy, and energy exchanges between two kinds of loads.Like this, be compensated the reactive power that the reactive power that inductive load absorbs can export from capacitive load, the principle of reactive-load compensation that Here it is.
Existing intelligent powerless compensation cabinet experiment test system mostly needs artificial ceaselessly switching state, there is defect that is consuming time, that easily make mistakes, and lacks related electric defencive function, easily causes the damage to detection system in operation because of maloperation.
Utility model content
The utility model is for above-mentioned defect, and object is to provide a kind of and uses intellectual technology, simple to operate and the intelligent powerless compensation cabinet experiment test system that can accurately detect and method of work thereof.
The technical solution adopted in the utility model is for this reason: the utility model comprises master control borad, and master control borad connects three-phase voltage current output module, electric capacitor detection module and feeder line plate by RS485 interface;
Described electric capacitor detection module, three-phase voltage current output module realize communicating by RS485 interface and feeder line plate;
Described master control borad comprises CPU, CPU is connected with electric capacity input control device, electric capacity excision controller and capacitance detecting controller;
Described three-phase voltage current output module comprises the three-phase voltage, the current-mode analog quantity output device that are connected with master control borad, and three-phase voltage, current-mode analog quantity output device export to idle compensating control by isolation boosting transformer.
Described three-phase voltage current output module also comprises electric energy detection module, the external meritorious power module of described electric energy detection module, reactive energy module.
Also be provided with Power Monitoring Unit, the supply voltage that monitoring is outside.
A method of work for intelligent powerless compensation cabinet experiment test system, carry out according to the following steps:
1) electric capacity drops into: the reactive power needed by input unit input;
2) according to 1) the result proportioning capacitance that sets, drops into interval time, input coefficient;
3) by master control borad control capacitance input control device, electric capacity is devoted oneself to work according to setting, after waiting to drop into, output feedack information;
4) feedback information is as consistent with the information preset, then keeping, then re-starting 2 as there is difference)-3) step;
5) electric capacity excision: need advanced reactive capability by input unit input;
6) according to 5) the result proportioning capacitance that sets, excision interval time, excision coefficient;
7) by master control borad control capacitance excision controller, make electric capacity according to setting excision, after waiting to excise, output feedack information;
8) feedback information is as consistent with the information preset, then keeping, then re-starting 6 as there is difference)-7) step.
Carrying out, in electric capacity input, the excision course of work, there is following protection output detections function:
1) overvoltage protection detects, overvoltage circulation excision electric capacity, feedback information after completing;
2) harmonic protection detects, and crosses harmonic wave circulation excision electric capacity, feedback information after completing;
3) under-voltage protection detects, under-voltage circulation excision electric capacity, feedback information after completing;
4) overpower detects, overpower circulation excision electric capacity, feedback information after completing.
Carrying out in electric capacity input, the excision course of work, described voltage capacitor output module has defencive function, automatically shuts down output to overvoltage, overcurrent, makes outside alternating voltage can not be linked into the output of voltage x current module simultaneously.
Carrying out in electric capacity input, the excision course of work, the active energy of outside, reactive energy export pulse and can be accessed by voltage x current output module, to measure the electric energy precision of outside device.
Detected electric capacity by electric capacitor detection module, master control borad is automatically dropped into and excises electric capacity and detected by electric capacitor detection module.
The utility model has the advantages that: 1) the utility model is by adopting intelligentized electric power electronic module, by to the reasonable Arrangement of modules and communication, make the utility model achieve intellectualized detection, detection efficiency is high, and accuracy obtains effective raising, create good economic benefit.
2) the utility model is provided with some defencive functions, and when there is various situation, system can be reacted in time, thus effective protection detection system is from damage.
Accompanying drawing explanation
Fig. 1 is integral module figure of the present utility model.
Fig. 2 is the utility model three-phase voltage power supply output module figure.
Fig. 3 is the utility model master control borad module map.
Fig. 4 is the utility model idle compensating control module map.
Detailed description of the invention
The utility model comprises master control borad, and master control borad connects three-phase voltage current output module, electric capacitor detection module and feeder line plate by RS485 interface;
Described electric capacitor detection module, three-phase voltage current output module realize communicating by RS485 interface and feeder line plate;
Described master control borad comprises CPU, CPU is connected with electric capacity input control device, electric capacity excision controller and capacitance detecting controller;
Described three-phase voltage current output module comprises the three-phase voltage, the current-mode analog quantity output device that are connected with master control borad, and three-phase voltage, current-mode analog quantity output device export to idle compensating control by isolation boosting transformer.
Described three-phase voltage current output module also comprises electric energy detection module, the external meritorious power module of described electric energy detection module, reactive energy module.
Also be provided with Power Monitoring Unit, the supply voltage that monitoring is outside.
A method of work for intelligent powerless compensation cabinet experiment test system, carry out according to the following steps:
1) electric capacity drops into: the reactive power needed by input unit input;
2) according to 1) the result proportioning capacitance that sets, drops into interval time, input coefficient;
3) by master control borad control capacitance input control device, electric capacity is devoted oneself to work according to setting, after waiting to drop into, output feedack information;
4) feedback information is as consistent with the information preset, then keeping, then re-starting 2 as there is difference)-3) step;
5) electric capacity excision: need advanced reactive capability by input unit input;
6) according to 5) the result proportioning capacitance that sets, excision interval time, excision coefficient;
7) by master control borad control capacitance excision controller, make electric capacity according to setting excision, after waiting to excise, output feedack information;
8) feedback information is as consistent with the information preset, then keeping, then re-starting 6 as there is difference)-7) step.
Carrying out, in electric capacity input, the excision course of work, there is following protection output detections function:
1) overvoltage protection detects, overvoltage circulation excision electric capacity, feedback information after completing;
2) harmonic protection detects, and crosses harmonic wave circulation excision electric capacity, feedback information after completing;
3) under-voltage protection detects, under-voltage circulation excision electric capacity, feedback information after completing;
4) overpower detects, overpower circulation excision electric capacity, feedback information after completing.
Carrying out in electric capacity input, the excision course of work, described voltage capacitor output module has defencive function, automatically shuts down output to overvoltage, overcurrent, makes outside alternating voltage can not be linked into the output of voltage x current module simultaneously.
Carrying out in electric capacity input, the excision course of work, the active energy of outside, reactive energy export pulse and can be accessed by voltage x current output module, to measure the electric energy precision of outside device.
Detected electric capacity by electric capacitor detection module, master control borad is automatically dropped into and excises electric capacity and detected by electric capacitor detection module.
The utility model is shown by LCD panel, with handled easily personnel Real Time Observation detection case.
Input unit of the present utility model can be keyboard, can think by the key-press input related data on keyboard, easy to operate.
Claims (3)
1. intelligent powerless compensation cabinet experiment test system, is characterized in that, comprises master control borad, and master control borad connects three-phase voltage current output module, electric capacitor detection module and feeder line plate by RS485 interface;
Described electric capacitor detection module, three-phase voltage current output module realize communicating by RS485 interface and feeder line plate;
Described master control borad comprises CPU, CPU is connected with electric capacity input control device, electric capacity excision controller and capacitance detecting controller;
Described three-phase voltage current output module comprises the three-phase voltage, the current-mode analog quantity output device that are connected with master control borad, and three-phase voltage, current-mode analog quantity output device export to idle compensating control by isolation boosting transformer.
2. intelligent powerless compensation cabinet experiment test system according to claim 1, is characterized in that, described three-phase voltage current output module also comprises electric energy detection module, the external meritorious power module of described electric energy detection module, reactive energy module.
3. intelligent powerless compensation cabinet experiment test system according to claim 1, is characterized in that, be also provided with Power Monitoring Unit, the supply voltage that monitoring is outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413089.XU CN204304437U (en) | 2014-07-24 | 2014-07-24 | Intelligent powerless compensation cabinet experiment test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413089.XU CN204304437U (en) | 2014-07-24 | 2014-07-24 | Intelligent powerless compensation cabinet experiment test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304437U true CN204304437U (en) | 2015-04-29 |
Family
ID=53109951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420413089.XU Expired - Fee Related CN204304437U (en) | 2014-07-24 | 2014-07-24 | Intelligent powerless compensation cabinet experiment test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304437U (en) |
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2014
- 2014-07-24 CN CN201420413089.XU patent/CN204304437U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20200724 |