CN106058878B - Intelligent integrated low-voltage reactive power module and its control method based on Internet of Things - Google Patents
Intelligent integrated low-voltage reactive power module and its control method based on Internet of Things Download PDFInfo
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- CN106058878B CN106058878B CN201610400327.7A CN201610400327A CN106058878B CN 106058878 B CN106058878 B CN 106058878B CN 201610400327 A CN201610400327 A CN 201610400327A CN 106058878 B CN106058878 B CN 106058878B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 50
- 238000012544 monitoring process Methods 0.000 claims abstract description 39
- 238000005070 sampling Methods 0.000 claims abstract description 39
- 230000009466 transformation Effects 0.000 claims abstract description 13
- 230000036760 body temperature Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 241001269238 Data Species 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
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- H02J13/0075—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Abstract
The invention discloses a kind of intelligent integrated low-voltage reactive power modules and its control method based on Internet of Things, include low voltage power capacitor, intelligent controller, GPRS/ wireless networks, broadband cable network, background monitoring server and smart mobile phone, the low voltage power capacitor includes service entrance switch, current transformer, fling-cut switch and low voltage power capacitor ontology, temperature sensor is provided in low voltage power capacitor ontology, the intelligent controller includes DSP digital signal processor, Internet of Things wireless module, AC/DC voltage transformation modules, voltage sampling circuit, current sampling circuit, control output interface circuit and temperature sampling circuit.The achievable real-time data acquisition of the present invention, wireless data transmission simultaneously can check that the related datas such as capacitance operating current, body temperature, harmonic wave can simultaneously find fault capacitance in time at any time by smart mobile phone.
Description
Technical field
The present invention relates to a kind of low-voltage reactive power module and its control method, particularly a kind of intelligent integrated based on Internet of Things
Low-voltage reactive power module and its control method.
Background technology
Existing integrated form low-pressure reactive compensation module, generally installation number is more in user's switchgear house, in operation one
After the section time, particularly after capacitance breaks down or capacity is decayed, distribution management personnel can not in time go and find out what's going on simultaneously
It goes to handle, distribution power factor may finally be caused low, reactive loss increases and causes and penalize since reactive-load compensation is insufficient
Money.Even some being since management level is low and reactive-load compensation is paid little attention to, cause some capacitances do not put into operation for a long time or
Person is long-term to cross the state mended.In traditional field, distribution management personnel need to understand capacitance operation situation, it is necessary to be timed to distribution daily
Room is checked, the workload of distribution management personnel has been significantly greatly increased.Even if by cable network monitor mode, although can realize to existing
The monitoring of field capacitance operation state, but due to needing to be laid with a large amount of power cables in early construction, lead to installation cost and management
Cost increases significantly.Due to cost, traditional wire monitor mode especially is not easy to popularize in user's distribution transforming.Running temperature and
Harmonic wave is the principal element for influencing capacitor service life, and traditional integrated form low-pressure reactive compensation module can measure operation temperature
Degree, but the current harmonic content of capacitance ontology can not be measured, i.e., for current harmonics, do not have the effect of being effectively protected.
Invention content
The technical problems to be solved by the invention be to provide a kind of intelligent integrated low-voltage reactive power module based on Internet of Things and
Its control method, it can be achieved that real-time data acquisition, wireless data transmission and can at any time be checked by smart mobile phone capacitance work electricity
The related datas such as stream, body temperature, harmonic wave can simultaneously find fault capacitance in time.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of intelligent integrated low-voltage reactive power module based on Internet of Things, it is characterised in that：Include low voltage power capacitor, intelligence
Energy controller, GPRS/ wireless networks, broadband cable network, background monitoring server and smart mobile phone, intelligent controller and low pressure
Power capacitor connects, and intelligent controller is connect by GPRS/ wireless networks and broadband cable network with background monitoring server,
Smart mobile phone is connect with background monitoring server, and the low voltage power capacitor includes service entrance switch, current transformer, switching and opens
It closes and low voltage power capacitor ontology, is provided with temperature sensor, the intelligent controller packet in low voltage power capacitor ontology
Containing DSP digital signal processor, Internet of Things wireless module, AC/DC voltage transformation modules, voltage sampling circuit, current sample electricity
Road, control output interface circuit and temperature sampling circuit, Internet of Things wireless module connect with DSP digital signal processor for
Background monitoring server communicates, two input terminals of AC/DC voltage transformation modules UA, UC with service entrance switch output terminal respectively
End connection, two output terminals of AC/DC voltage transformation modules connect respectively with DSP digital signal processor and Internet of Things wireless module
It connects, AC/DC voltage transformation modules give DSP numbers for taking alternating voltage from service entrance switch lower end and being converted into direct voltage output
Signal processor and Internet of Things wireless module are powered, two input terminals of voltage sampling circuit respectively with service entrance switch output terminal
The connection of UA, UC end, voltage sampling circuit output terminal connect with DSP digital signal processor for by voltage signal conversion process
Into the identifiable signal of DSP digital signal processor, current sampling circuit respectively with current transformer and DSP Digital Signal Processing
Device connects current signal conversion process into the identifiable signal of DSP digital signal processor, controlling output interface circuit
The break-make for controlling fling-cut switch, temperature sampling circuit difference are connect with fling-cut switch and DSP digital signal processor respectively
It is connect with temperature sensor and DSP digital signal processor for temperature sensor temperature signal conversion process is digital into DSP
The identifiable signal of signal processor.
Further, the service entrance switch input terminal is connect with three-phase alternating-current supply UA, UB, UC, service entrance switch output terminal
UA, UC end connect respectively with two fling-cut switch one end, the other end of two fling-cut switches and the UB of service entrance switch output terminal
End is connect with low voltage power capacitor ontology, and current transformer is arranged on the circuit between service entrance switch and fling-cut switch.
Further, also comprising communication interface, communication interface connects the intelligent controller with DSP digital signal processor
It connects, communication interface is communicated using RS485 or network port communications are used for and other equipment on-line communication.
Further, the intelligent controller is also comprising LCD assembly, LCD assembly at DSP digital signals
Manage display of the device connection for operating status and parameter.
Further, also comprising button, button is connect with DSP digital signal processor for man-machine the intelligent controller
Interaction Prevention Intervention process.
Further, the DSP digital signal processor is communicated by serial ports with Internet of Things wireless module, sending device
Running state information gives Internet of Things wireless module.
A kind of intelligent integrated low-voltage reactive power module control method based on Internet of Things, it is characterised in that：
Smart mobile phone reads the operation shape of intelligent integrated low-voltage reactive power module by network connection to background monitoring server
State information, when abnormal state, DSP digital signal processor active reporting exception information gives Internet of Things wireless module, and Internet of Things are wireless
Module in wireless network, wired broadband network by being given to background monitoring server, for operation exception or fault message, backstage
Relevant information is actively issued smart mobile phone and received by monitoring server, while distribution management personnel should by the APP of smart mobile phone
With routine access background monitoring server, capacitance current operating situation is known in time；
Voltage sampling circuit, current sampling circuit and temperature sampling circuit acquire the voltage letter of low voltage power capacitor respectively
Number, current signal and temperature signal, these signal conversion processes are given into the identifiable signal transmission of DSP digital signal processor
DSP digital signal processor, DSP digital signal processor carry out Harmonics Calculation and analysis to these signals, calculate electricity respectively
Net voltage harmonic, the harmonic current of capacitance, capacitance body temperature data；
DSP digital signal processor is realized humorous to low voltage power capacitor working voltage and voltage by voltage sampling circuit
The monitoring of wave, when low voltage power capacitor working voltage or harmonic wave are more than setting protection value, digital signal processor passes through control
Output interface circuit processed controls fling-cut switch tripping, with protective condenser；
DSP digital signal processor is realized by current sampling circuit to low voltage power capacitor running current and harmonic wave
Monitoring, when low voltage power capacitor running current or current harmonics are more than setting protection value, digital signal processor passes through control
Output interface circuit processed controls fling-cut switch tripping, with protective condenser；
DSP digital signal processor is realized by temperature sampling circuit and capacitance ontology built-in temperature sensor to low pressure
The temperature monitoring of power capacitor, when low voltage power capacitor internal temperature is more than setting protection value, digital signal processor
By the way that output interface circuit is controlled to control fling-cut switch tripping, with protective condenser.
Further, DSP digital signal processor is realized by the way that output interface circuit is controlled to control fling-cut switch
The throwing of low voltage power capacitor ontology is moved back.
Compared with prior art, the present invention haing the following advantages and effect：Intelligent integrated low-voltage reactive power based on Internet of Things
Module, can real-time data collection, wireless data transmission, have the function of harmonic protection simultaneously can by smart mobile phone real time inspection its fortune
The related datas such as row state and capacitance operating current, capacitance body temperature, harmonic wave.Distribution management personnel can pass through smart mobile phone
Capacitance operation situation is understood at any time, without periodically checking capacitance to switchgear house daily, significantly reduces the dimension of distribution management personnel
Protect workload.For the capacitance of failure, distribution personnel can in time be had found by smart mobile phone, to avoid because of reactive-load compensation not
Foot does not have on-call maintenance that power factor can be caused to reduce and cause to impose a fine after leading to loss increase and capacitance damage.Intelligent integrated
Low-voltage reactive power module, can be by real-time performance to intelligent integrated low-voltage reactive power in background server due to built-in Internet of Things wireless module
The update of the program of module, function upgrading, to reduce the workload of field adjustable personnel.
Description of the drawings
Fig. 1 is the schematic diagram of the intelligent integrated low-voltage reactive power module based on Internet of Things of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and pass through embodiment the present invention is described in further detail, following embodiment is to this hair
Bright explanation and the invention is not limited in following embodiments.
A kind of intelligent integrated low-voltage reactive power module based on Internet of Things, comprising low voltage power capacitor, intelligent controller 0,
GPRS/ wireless networks 16, broadband cable network 17, background monitoring server 18 and smart mobile phone 19, intelligent controller 0 and low pressure
Power capacitor connects, and intelligent controller 0 passes through GPRS/ wireless networks 16 and broadband cable network 17 and background monitoring server
18 connections, smart mobile phone 19 are connect with background monitoring server 18.Low voltage power capacitor includes service entrance switch 11, Current Mutual Inductance
Device 12, fling-cut switch 13 and low voltage power capacitor ontology 14 are provided with temperature sensor in low voltage power capacitor ontology 14
15.Intelligent controller 0 includes DSP digital signal processor 1, Internet of Things wireless module 2, AC/DC voltage transformation modules 6, voltage
Sample circuit 7, current sampling circuit 8, control output interface circuit 9 and temperature sampling circuit 10, Internet of Things wireless module 2 with
DSP digital signal processor 1 is connected for communicating with background monitoring server, 6 two inputs of AC/DC voltage transformation modules
UA, UC end respectively with 11 output terminal of service entrance switch is held to connect, 6 two output terminals of AC/DC voltage transformation modules respectively with DSP numbers
Word signal processor 1 and Internet of Things wireless module 2 connect, and AC/DC voltage transformation modules 6 are used to take friendship from 11 lower end of service entrance switch
Galvanic electricity presses and is converted into direct voltage output and is powered to DSP digital signal processor 1 and Internet of Things wireless module 2, voltage
UA, UC end of 7 two input terminals of sample circuit respectively with 11 output terminal of service entrance switch is connect, 7 output terminal of voltage sampling circuit with
DSP digital signal processor 1 connect for by voltage signal conversion process into 1 identifiable signal of DSP digital signal processor,
Current sampling circuit 8 is connect respectively with current transformer 12 and DSP digital signal processor 1 for by current signal conversion process
Into 1 identifiable signal of DSP digital signal processor, control output interface circuit 9 is believed respectively with fling-cut switch 13 and DSP numbers
Number processor 1 connects the break-make for controlling fling-cut switch 13, temperature sampling circuit 10 respectively with temperature sensor 15 and DSP numbers
Word signal processor 1 connects to can recognize that 15 temperature signal conversion process of temperature sensor into DSP digital signal processor 1
Signal.
11 input terminal of service entrance switch is connect with three-phase alternating-current supply UA, UB, UC, UA, UC end of 11 output terminal of service entrance switch
Connect respectively with two 13 one end of fling-cut switch, the UB ends of 11 output terminal of the other end and service entrance switch of two fling-cut switches 13 with
Low voltage power capacitor ontology 14 connects, and current transformer 12 is arranged on the circuit between service entrance switch 11 and fling-cut switch 13
On.
Intelligent controller 0 is also comprising communication interface 3, and communication interface 3 is connect with DSP digital signal processor 1, communication interface
It is used for and other equipment on-line communication using RS485 communications or network port communications.Intelligent controller 0 also includes LCD assembly
4, LCD assembly 4 connect the display for operating status and parameter with DSP digital signal processor 1.Intelligent controller 0 is also
Comprising button 5, button 5 is connect with DSP digital signal processor 1 for human-computer interaction Prevention Intervention process.At DSP digital signals
Reason device 1 is communicated by serial ports with Internet of Things wireless module 2, and the running state information of sending device is to Internet of Things wireless module 2.
A kind of intelligent integrated low-voltage reactive power module control method based on Internet of Things, comprising：
Smart mobile phone reads the operation shape of intelligent integrated low-voltage reactive power module by network connection to background monitoring server
State information, when abnormal state, DSP digital signal processor active reporting exception information gives Internet of Things wireless module, and Internet of Things are wireless
Module in wireless network, wired broadband network by being given to background monitoring server, for operation exception or fault message, backstage
Relevant information is actively issued smart mobile phone and received by monitoring server, while distribution management personnel should by the APP of smart mobile phone
With routine access background monitoring server, capacitance current operating situation is known in time；
Voltage sampling circuit, current sampling circuit and temperature sampling circuit acquire the voltage letter of low voltage power capacitor respectively
Number, current signal and temperature signal, these signal conversion processes are given into the identifiable signal transmission of DSP digital signal processor
DSP digital signal processor, DSP digital signal processor carry out Harmonics Calculation and analysis to these signals, calculate electricity respectively
Net voltage harmonic, the harmonic current of capacitance, capacitance body temperature data；
DSP digital signal processor is realized humorous to low voltage power capacitor working voltage and voltage by voltage sampling circuit
The monitoring of wave, when low voltage power capacitor working voltage or harmonic wave are more than setting protection value, digital signal processor passes through control
Output interface circuit processed controls fling-cut switch tripping, with protective condenser；
DSP digital signal processor is realized by current sampling circuit to low voltage power capacitor running current and harmonic wave
Monitoring, when low voltage power capacitor running current or current harmonics are more than setting protection value, digital signal processor passes through control
Output interface circuit processed controls fling-cut switch tripping, with protective condenser；
DSP digital signal processor is realized by temperature sampling circuit and capacitance ontology built-in temperature sensor to low pressure
The temperature monitoring of power capacitor, when low voltage power capacitor internal temperature is more than setting protection value, digital signal processor
By the way that output interface circuit is controlled to control fling-cut switch tripping, with protective condenser.
DSP digital signal processor is realized by the way that output interface circuit is controlled to control fling-cut switch to low tension
The throwing of power capacitor body is moved back.
DSP digital signal processor 1 shows operating condition by LCD assembly 4, artificial to observe liquid crystal display group
Part 4 and operation button 5 understand operating condition and Prevention Intervention process, while are carried out by communication interface 3 and external other equipment
Information exchange, and may make up system coordination and consistently work.
Smart mobile phone 19 reads the fortune of intelligent integrated low-voltage reactive power module by network connection to background monitoring server 18
Row status information.If capacitance ontology breaks down or decays, 1 active reporting exception information of DSP digital signal processor is to Internet of Things
Wireless module 2, Internet of Things wireless module 2 in wireless network 16, wired broadband network 17 by being given to background monitoring server.For
Relevant information actively can be issued smart mobile phone and received by the operation exception or fault message of capacitance, background monitoring server.Simultaneously
Distribution management personnel also can access background monitoring server at any time by the APP application programs of smart mobile phone 19, know electricity in time
Hold current operating situation.
Described in this specification above content is only illustrations made for the present invention.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement to described specific embodiment or substitute in a similar way, only
Will without departing from description of the invention content or surmount range defined in the claims, should all belong to the present invention guarantor
Protect range.
Claims (8)
1. a kind of intelligent integrated low-voltage reactive power module based on Internet of Things, it is characterised in that：Include low voltage power capacitor, intelligence
Controller, GPRS wireless networks, broadband cable network, background monitoring server and smart mobile phone, intelligent controller and low tension
Power capacitor connects, and intelligent controller is connect by GPRS wireless networks and broadband cable network with background monitoring server, intelligence
Energy mobile phone is connect with background monitoring server, and the low voltage power capacitor includes service entrance switch, current transformer, fling-cut switch
With low voltage power capacitor ontology, temperature sensor is provided in low voltage power capacitor ontology, the intelligent controller includes
DSP digital signal processor, Internet of Things wireless module, AC/DC voltage transformation modules, voltage sampling circuit, current sampling circuit,
Control output interface circuit and temperature sampling circuit, Internet of Things wireless module connect with DSP digital signal processor for it is rear
Platform monitoring server communicates, two input terminals of AC/DC voltage transformation modules respectively with UA, UC end of service entrance switch output terminal
Connection, two output terminals of AC/DC voltage transformation modules are connect respectively with DSP digital signal processor and Internet of Things wireless module,
AC/DC voltage transformation modules are believed for taking alternating voltage from service entrance switch lower end and being converted into direct voltage output to DSP numbers
Number processor and Internet of Things wireless module are powered, two input terminals of voltage sampling circuit respectively with service entrance switch output terminal
UA, UC end connect, voltage sampling circuit output terminal connect with DSP digital signal processor for by voltage signal conversion process into
The identifiable signal of DSP digital signal processor, current sampling circuit respectively with current transformer and DSP digital signal processor
Connection is for by current signal conversion process, into the identifiable signal of DSP digital signal processor, control output interface circuit to divide
Do not connect the break-make for controlling fling-cut switch with fling-cut switch and DSP digital signal processor, temperature sampling circuit respectively with
Temperature sensor connects to believe temperature sensor temperature signal conversion process into DSP numbers with DSP digital signal processor
Number identifiable signal of processor.
2. the intelligent integrated low-voltage reactive power module described in accordance with the claim 1 based on Internet of Things, it is characterised in that：The inlet wire
Switch input terminal is connect with three-phase alternating-current supply UA, UB, UC, and UA, UC end of service entrance switch output terminal are opened respectively with two switchings
One end connection, the other end of two fling-cut switches and the UB ends of service entrance switch output terminal is closed with low voltage power capacitor ontology to connect
It connects, current transformer is arranged on the circuit between service entrance switch and fling-cut switch.
3. the intelligent integrated low-voltage reactive power module described in accordance with the claim 1 based on Internet of Things, it is characterised in that：The intelligence
Also comprising communication interface, communication interface connect controller with DSP digital signal processor, communication interface use RS485 communications or
Network port communications are used for and other equipment on-line communication.
4. the intelligent integrated low-voltage reactive power module described in accordance with the claim 1 based on Internet of Things, it is characterised in that：The intelligence
Also comprising LCD assembly, LCD assembly is connect with DSP digital signal processor for operating status and ginseng controller
Several displays.
5. the intelligent integrated low-voltage reactive power module described in accordance with the claim 1 based on Internet of Things, it is characterised in that：The intelligence
Also comprising button, button is connect with DSP digital signal processor for human-computer interaction Prevention Intervention process controller.
6. the intelligent integrated low-voltage reactive power module described in accordance with the claim 1 based on Internet of Things, it is characterised in that：The DSP
Digital signal processor is communicated by serial ports with Internet of Things wireless module, and the running state information of sending device gives Internet of Things wireless mould
Block.
7. a kind of intelligent integrated low-voltage reactive power module control method based on Internet of Things, it is characterised in that：
Smart mobile phone reads the operating status letter of intelligent integrated low-voltage reactive power module by network connection to background monitoring server
Breath, when abnormal state, DSP digital signal processor active reporting exception information gives Internet of Things wireless module, Internet of Things wireless module
By being given to background monitoring server in wireless network, broadband cable network, for operation exception or fault message, background monitoring
Relevant information is actively issued smart mobile phone and received, while the APP application journeys that distribution management personnel pass through smart mobile phone by server
Sequence accesses background monitoring server, knows capacitor current operating situation in time；
Voltage sampling circuit, current sampling circuit and temperature sampling circuit acquire the voltage signal of capacitor, current signal respectively
And temperature signal, give these signal conversion processes to DSP digital signals into the identifiable signal transmission of DSP digital signal processor
Processor, DSP digital signal processor carry out Harmonics Calculation and analysis to these signals, calculate respectively Voltage Harmonic,
Harmonic current, the capacitor body temperature data of capacitor；
DSP digital signal processor realizes the monitoring to capacitor working voltage and voltage harmonic by voltage sampling circuit, when
When capacitor working voltage or harmonic wave are more than setting protection value, digital signal processor is by controlling output interface circuit control to throw
It cuts and closes tripping, with protective condenser；
DSP digital signal processor realizes the monitoring to capacitor running current and harmonic wave by current sampling circuit, works as capacitance
When device running current or current harmonics are more than setting protection value, digital signal processor is by controlling output interface circuit control to throw
It cuts and closes tripping, with protective condenser；
DSP digital signal processor is realized by temperature sampling circuit and capacitor body built-in temperature sensor to capacitor
Temperature monitoring, when capacitor internal temperature is more than setting protection value, digital signal processor is by controlling output interface electric
Road controls fling-cut switch tripping, with protective condenser.
8. according to the intelligent integrated low-voltage reactive power module control method based on Internet of Things described in claim 7, it is characterised in that：
DSP digital signal processor is realized by the way that output interface circuit is controlled to control fling-cut switch to low voltage power capacitor
The throwing of ontology is moved back.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610400327.7A CN106058878B (en) | 2016-06-08 | 2016-06-08 | Intelligent integrated low-voltage reactive power module and its control method based on Internet of Things |
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| CN201610400327.7A CN106058878B (en) | 2016-06-08 | 2016-06-08 | Intelligent integrated low-voltage reactive power module and its control method based on Internet of Things |
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| CN106058878B true CN106058878B (en) | 2018-07-10 |
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