CN207926191U - A kind of electrical cabinet automatic Regulation compensation device - Google Patents

A kind of electrical cabinet automatic Regulation compensation device Download PDF

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Publication number
CN207926191U
CN207926191U CN201721808924.XU CN201721808924U CN207926191U CN 207926191 U CN207926191 U CN 207926191U CN 201721808924 U CN201721808924 U CN 201721808924U CN 207926191 U CN207926191 U CN 207926191U
Authority
CN
China
Prior art keywords
compensation device
main control
automatic
electrical cabinet
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721808924.XU
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Chinese (zh)
Inventor
李敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Instrument Source Power Technology Co Ltd
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Zhuhai Instrument Source Power Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Instrument Source Power Technology Co Ltd filed Critical Zhuhai Instrument Source Power Technology Co Ltd
Priority to CN201721808924.XU priority Critical patent/CN207926191U/en
Application granted granted Critical
Publication of CN207926191U publication Critical patent/CN207926191U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50Arrangements for eliminating or reducing asymmetry in polyphase networks

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  • Inverter Devices (AREA)

Abstract

The utility model discloses a kind of electrical cabinet automatic Regulation compensation devices, mainly by pressure regulation module, signal acquisition, amplification, filter circuit, inverter circuit, main control chip, pwm pulse driving circuit is constituted, the utility model combination intelligent pressure regulating function monitors the power quality of distribution system using main control chip as core element in real time using Real-time Data Acquisition Technology and Dynamic Tracing Technology, pass through monitoring system, system voltage can be watched in real time, frequency, load current, THDi, THDu, voltage waveform, current waveform and stepless compensation device output current size, a series of power quality datas such as waveform, continuously changing the reactive current size of device output through inverter circuit again realizes quick continuous reactive power compensation.The utility model can be applied to electrical cabinet field of intelligent control technology.

Description

A kind of electrical cabinet automatic Regulation compensation device
Technical field
The utility model is related to a kind of electrical cabinet compensation device, more particularly to a kind of electrical cabinet with automatic Regulation function Automatic Regulation compensation device.
Background technology
Existing electrical cabinet compensation device generally can not cope with apparent voltage drop and cause builtin voltage is too low to show As being finally easy to cause the problem of electrical cabinet power inside component can not work normally.Traditional mode is used in partial interior One booster is installed in electrical components, but also can only be adjusted manually;With the continuous development of technology, the function inside electrical cabinet Component is mostly modular construction, can be replaced or be increased and decreased, and it is flat that booster traditional in this way can not just automatically adjust voltage Weighing apparatus, needing matched voltage is arranged again after staff's manual measurement can continue to work normally using electrical components, cumbersome, But also there are certain danger, and it is very necessary thus to design a kind of electrical cabinet compensation device with automatic front end pressure regulation. In addition, the existing idle output capacity of electrical cabinet compensation device is generally in step, compensation capacity cannot be adjusted continuously, it is difficult to reach To with System Reactive Power complete equipilibrium, be easy to cause benefit or owe mend the case where.Although using static reactive generator response speed Comparatively fast, but individual module compensation capacity is small, needs multiple modules for slightly larger power supply system and machine compensates, user's input is huge Greatly, cost performance is extremely low.
Invention content
Technical problem to be solved in the utility model is to have overcome the deficiencies of the prior art and provide one kind having automatic adjust It presses function and can realize electrodeless, rapidly, continuously reactive power compensation electrical cabinet automatic Regulation compensation device.
Technical solution used by the utility model is:The utility model include automatic Regulation module and with the automatic tune The compensation device that pressing mold group is connected;The boosting that the automatic Regulation module includes power module, is connect with the power module Controller and the sliding pressure regulator being connect with the boost pressure controller, the compensation device include filter circuit, signal amplification it is whole Shape circuit, IGBT inverter circuits, main control chip, A/D conversion chips and pwm pulse driving circuit, the main control chip pass through institute It states A/D conversion chips to be electrically connected with the signal amplification shaping circuit, the filter circuit is connected with distribution system, described IGBT inverter circuits are connected with the filter circuit, the pwm pulse driving circuit and the main control chip and the IGBT Inverter circuit is connected, and the sliding pressure regulator is electrically connected with the main control chip.
Further, a kind of electrical cabinet automatic Regulation compensation device further includes hand/automatic transfer switch, manual key And automatic keying, the hand/automatic transfer switch are electrically connected with the manual key and the automatic keying respectively.
Further, the compensation device, further include the communication module being connected with the main control chip, display module and Relay module.
The utility model has the beneficial effects that:Due to the utility model include automatic Regulation module and with the automatic Regulation The compensation device that module is connected;The automatic Regulation module includes power module, the boosting control being connect with the power module Device processed and the sliding pressure regulator being connect with the boost pressure controller, the compensation device include filter circuit, signal amplification shaping Circuit, IGBT inverter circuits, main control chip, A/D conversion chips and pwm pulse driving circuit, the main control chip pass through described A/D conversion chips are electrically connected with the signal amplification shaping circuit, and the filter circuit is connected with distribution system, the IGBT Inverter circuit is connected with the filter circuit, the pwm pulse driving circuit and the main control chip and the IGBT inversions Circuit is connected, and the sliding pressure regulator is electrically connected with the main control chip, so the utility model has the excellent of following aspect Point:
1, adaptively electrical cabinet power inside component hand also can be had according to actual conditions or default automatic adjustment voltage The dynamic function of adjusting, it is ensured that the normal work of power inside component can more play especially when replacing or increasing and decreasing consuming parts Its pressure regulation is quick, stablizes, and effectively reduces the advantage of intensity of workers and danger;
2, by controlling chip controls reacance generator, its reaction speed can be accelerated, shorten the reaction time, realized to reality When be mutated idle compensate;
3 while to the idle phase splitting compensation of three-phase imbalance, it can not only realize balance three-phase activity coefficient, it can also real-time nothing Grade precisely compensation, improves the power factor after compensation.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram.
Specific implementation mode
As shown in Figure 1, in the present embodiment, the utility model include automatic Regulation module 1 and with the automatic Regulation mould The compensation device 2 that group 1 is connected;The liter that the automatic Regulation module 1 includes power module 11, connect with the power module 11 Pressure controller 12 and the sliding pressure regulator 13 being connect with the boost pressure controller 12, the boost pressure controller 12 be also connected with hand/from Dynamic switching switch 16, the hand/automatic transfer switch 16 are electrically connected with the manual key 14 and automatic keying 15 respectively.It is described Sliding pressure regulator 13 is multiple contact pressure regulator, switches the i.e. exportable boosting of contact of pressure regulator, is ensureing electrical cabinet internal part just Often operation, due to being provided with boost pressure controller 12, hand/automatic transfer switch 16, manual key 14 and automatic keying 15, can pass through Switching switch realizes the switching of automatic Regulation and manual voltage regulation, more convenient.The boost pressure controller 12 is internally provided with voltage and adopts Sampling device.The compensation device 2 includes filter circuit 21, signal amplification shaping circuit 22, IGBT inverter circuits 23, master control core Piece 24, A/D conversion chips 25 and pwm pulse driving circuit 26, the main control chip 24 pass through the A/D conversion chips 25 and institute The electrical connection of signal amplification shaping circuit 22 is stated, for receiving voltage current signal and output order transmission control information, the filter Wave circuit 21 is connected with distribution system, and the IGBT inverter circuits 23 are connected with the filter circuit 21, the PWM arteries and veins It rushes driving circuit 26 with the main control chip 24 and the IGBT inverter circuits 23 to be connected, for receiving the main control chip The 24 PWM pulses sent, and it is amplified to the drive level needed for IGBT, for driving IGBT power devices, the sliding to adjust Depressor 13 is electrically connected with the main control chip 24.The high frequency that the filter circuit 21 is used to filter out in compensation device output current carries Wave, the signal amplification shaping circuit 22 is for receiving mains voltage signal and current signal and amplifying shaping to signal;It is described IGBT inverter circuits 23 are for the transformation between direct current and alternating current.The compensation device 2 further includes and the main control chip 24 Communication module, display module and the relay module being connected.
The utility model can acquire three-phase power grid voltage, load current, and signal is carried out by signal amplification shaping circuit 22 The A/D conversion chips 25 being input to after amplification and shaping in control panel carry out analog-to-digital conversion, the digital signal after analog-to-digital conversion The main control chip 24 is transmitted to be filtered, idle analysis, as a result pass through after the main control chip 24 receives digital signal The pwm pulse driving circuit 26 generates PWM and modulates pulse, and pulse signal is amplified to IGBT institutes by pwm pulse driving circuit Level is needed, alternating current is converted direct current by IGBT inverter circuits 23, is filtered out using the filter circuit 21 defeated Power grid is injected after going out the high frequency carrier in electric current.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within Within the scope of protection of the utility model.

Claims (3)

1. a kind of electrical cabinet automatic Regulation compensation device, it is characterised in that:It includes automatic Regulation module(1)And with it is described automatic Pressure regulation module(1)The compensation device being connected(2);The automatic Regulation module(1)Including power module(11)And the power supply Module(11)The boost pressure controller of connection(12)And with the boost pressure controller(12)The sliding pressure regulator of connection(13), the benefit Repay device(2)Including filter circuit(21), signal amplification shaping circuit(22), IGBT inverter circuits(23), main control chip (24), A/D conversion chips(25)And pwm pulse driving circuit(26), the main control chip(24)Pass through the A/D conversion chips (25)With the signal amplification shaping circuit(22)Electrical connection, the filter circuit(21)It is connected with distribution system, it is described IGBT inverter circuits(23)With the filter circuit(21)It is connected, the pwm pulse driving circuit(26)With the master control core Piece(24)With the IGBT inverter circuits(23)It is connected, the sliding pressure regulator(13)With the main control chip(24)It is electrically connected It connects.
2. a kind of electrical cabinet automatic Regulation compensation device according to claim 1, it is characterised in that:A kind of electrical cabinet Automatic Regulation compensation device further includes hand/automatic transfer switch(16), manual key(14)And automatic keying(15), the hand/ Automatic transfer switch(16)Respectively with the manual key(14)With the automatic keying(15)Electrical connection.
3. a kind of electrical cabinet automatic Regulation compensation device according to claim 1, it is characterised in that:The compensation device (2)Further include and the main control chip(24)Communication module, display module and the relay module being connected.
CN201721808924.XU 2017-12-22 2017-12-22 A kind of electrical cabinet automatic Regulation compensation device Expired - Fee Related CN207926191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721808924.XU CN207926191U (en) 2017-12-22 2017-12-22 A kind of electrical cabinet automatic Regulation compensation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721808924.XU CN207926191U (en) 2017-12-22 2017-12-22 A kind of electrical cabinet automatic Regulation compensation device

Publications (1)

Publication Number Publication Date
CN207926191U true CN207926191U (en) 2018-09-28

Family

ID=63606959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721808924.XU Expired - Fee Related CN207926191U (en) 2017-12-22 2017-12-22 A kind of electrical cabinet automatic Regulation compensation device

Country Status (1)

Country Link
CN (1) CN207926191U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180928

CF01 Termination of patent right due to non-payment of annual fee