CN107117058A - A kind of electric automobile charging station power quality supervisory information system - Google Patents
A kind of electric automobile charging station power quality supervisory information system Download PDFInfo
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- CN107117058A CN107117058A CN201710367678.7A CN201710367678A CN107117058A CN 107117058 A CN107117058 A CN 107117058A CN 201710367678 A CN201710367678 A CN 201710367678A CN 107117058 A CN107117058 A CN 107117058A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 248
- 238000012806 monitoring device Methods 0.000 claims abstract description 46
- 238000004458 analytical method Methods 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 40
- 230000005611 electricity Effects 0.000 claims description 12
- 230000002452 interceptive effect Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 238000013441 quality evaluation Methods 0.000 claims description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 28
- 241001269238 Data Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000010349 pulsation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H02J13/0096—
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
-
- 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
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
The present invention relates to electric power quality technical field, more particularly to a kind of electric automobile charging station power quality supervisory information system, it is adaptable to electric energy quality monitoring, assessment and the improvement of electric automobile centralization charging station.It is connected to form including electric power system, charging system and monitoring system three parts；Wherein electric power system, charging system and monitoring system are connected with charging station quality monitoring device of electrical energy respectively；DC charging motor electric energy quality monitoring terminal and AC charging machine electric energy quality monitoring terminal are connected between charging system and charging station quality monitoring device of electrical energy；Monitoring system is also connected with central server, management client and data server.With unified timing function, safety can be ensured to greatest extent, realize electric energy quality monitoring, analysis, assessment and the prediction of charging station, position, analyze, compare, assess and diagnose single charger branch road and charger caused power quality problem in itself, it is ensured that all measurement point data consistencies and comparability.
Description
Technical field
The present invention relates to electric power quality technical field, more particularly to a kind of electric automobile charging station quality of power supply
Monitoring system, it is adaptable to electric energy quality monitoring, assessment and the improvement of electric automobile centralization charging station.
Background technology
Electric automobile is one of emphasis direction of new-energy automobile development, for energy-conserving and environment-protective, reduces carbon emission pollution tool
It is significant, and charging electric vehicle facility is the important component of ev industry chain, so as to take into full account charging
The development of facility and electrically-charging equipment are just most important for the influence of the power network quality of power supply.
Propose a variety of charging electric vehicle patterns both at home and abroad at present, predominantly the most universal slow charging mode, i.e., with
Relatively low charging current charges to electric car, usually using alternating-current charging pile；And with higher charging current in short-term
The interior quick charge mode charged for battery, is usually centralized electric automobile charging station, and its main equipment is filled for direct current
Motor.Especially centralized electric automobile charging station, its is substantial amounts of to come into operation, except to being made in terms of Electric Power Network Planning, capacity extensions
Into beyond influence, the quality of power supply to power system will also produce strong influence, be mainly manifested in：Load is unbalanced, that is, fills
When power station uses high current quick charge, 150~600A high current can be formed, it is unstable that this is likely to result in power network, and
Too intensive concentration charging may cause charging station instantaneous load excessive, the Load Regulation ability, load-carrying ability to power network with
And power supply capacity causes test；Harmonic pollution, even if producing harmonic wave with the Large Copacity charger of power electronic devices, causes line
Road or supplementary transformer loss increase and heating, cause inductance local in power network, electric capacity to occur resonance, harmonic wave is further put
Greatly, higher harmonic wave can cause control device misoperation, in turn result in production or outage；To switch and relay protection device
For, harmonic wave may cause the abnormal tripping operation of the solid-state tripping device of Electronic Protection formula low-voltage circuit breaker, may be to by order components
The protection of pass filter composition starting element and automatics produce interference；And voltage deviation, frequency departure, voltage flicker, three
Item imbalance etc..
Currently, not yet there is the power quality supervisory information system for electric automobile charging station, especially largely use Large Copacity
Direct current quick charger centralized electric automobile charging station, particularly, in current charging station may be equipped with the quality of power supply
Monitoring system, or power quality treatment method, such as the electric automobile charging station put into operation, using grid side harmonic wave
The method of improvement, input particular device carries out harmonic wave control to prevent charging station to power network harmonic electric current, above-mentioned to be all
The quality of power supply for whole charging station is monitored and protected, and can not monitor on-line, assess, managing in individually some station
Branch road, such as some DC charging motor.
The content of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of electric automobile charging station electric energy quality monitoring
System.Purpose is a kind of electric energy quality monitoring and management system suitable for large centralised electric automobile charging station of offer,
The system can realize electric energy quality monitoring, analysis, assessment and the prediction of whole charging station, and can position, analyze, compare, commenting
Estimate and diagnose single charger branch road and charger caused power quality problem in itself, and system uses unified time service work(
Can, it is ensured that the data consistency and comparability of all measurement points.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of electric automobile charging station power quality supervisory information system, including electric power system, charging system and the big portion of monitoring system three
Split-phase is connected and composed；Wherein electric power system, charging system and monitoring system are connected with charging station quality monitoring device of electrical energy respectively；
DC charging motor electric energy quality monitoring terminal is connected between charging system and charging station quality monitoring device of electrical energy and is filled with exchanging
Motor electric energy quality monitoring terminal；Monitoring system is also connected with central server, management work station and data server.
The charging system includes DC charging motor and AC charging machine, DC charging motor and DC charging motor electric energy quality monitoring
Terminal is connected；AC charging machine is connected with AC charging machine electric energy quality monitoring terminal；The monitoring system includes charging
Stand electric energy quality monitoring platform, charging station safety and protection monitoring system and charging station charging monitoring system, charging station quality of power supply prison
Control platform be connected with charging station quality monitoring device of electrical energy, charging station electric energy quality monitoring platform also with central server, manage
Reason work station, data server are connected.
The electromechanical energy of the charging station quality monitoring device of electrical energy, DC charging motor electric energy quality monitoring terminal and AC charging
Quality monitoring terminal is by communication link and uploads power quality data to charging station electric energy quality monitoring platform；All numbers
According to being stored in after the corresponding function resume module by running on the charging station electric energy quality monitoring platform on central server
Data server；Management work station realizes that access, control, management and the data of system platform are presented and user interface.
The charging station electric energy quality monitoring platform, runs on central server, including power quality analysis, electric energy
Quality trends prediction, electricity quality evaluation, the branch road quality of power supply are compared and assessed, charging station load monitoring and analysis, time service mould
Block, communication module, protection module, data processing module, data-storing module, data inquiry module and user access；Charging station
Quality monitoring device of electrical energy, DC charging motor electric energy quality monitoring terminal and AC charging machine electric energy quality monitoring terminal will be obtained
Power quality data by communication links to charging station electric energy quality monitoring platform, power quality analysis analysis is obtained
Various power quality datas, quality of power supply trend prediction realizes that carrying out the quality of power supply for current and history power quality data becomes
Gesture is predicted；Electricity quality evaluation realizes the assessment of charging station quality of power supply state；The branch road quality of power supply compares with assessing by dividing
Analyse with the DC charging motor or the power quality data of AC charging machine that are compared acquisition and by its electric energy overall with charging station
Qualitative data；Charging station load monitoring calculates and monitored in real time the load condition of charging station with analysis, and provides quality of power supply prison
The data of survey support function；Time service module can be while compatible with GPS and dipper system, it is ensured that whole power quality supervisory information system
Time precision, and subsystems time adjustment function；Communication module provides all telecommunication management functions of internal system；Protection
Module provides the defencive function that system needs；After basic primary data is uniformly processed data processing module, data-storing
The data of processing are stored in data server by module, and system inquires about the data for being stored in server by data inquiry module；With
Family accesses the unified access interface for providing management work station.
The charging station quality monitoring device of electrical energy, including current monitoring module, voltage monitoring module, frequency monitoring mould
Block, power monitoring module, time service module, communication module, UI modules, protection module, storage and recording module；Device passes through electric current
Monitoring modular, voltage monitoring module, frequency monitoring module, power monitoring module are worked in coordination, and realize charging station electric power system
Multiple harmonic voltage harmonic electric current, voltage fundamental virtual value and real effective, electric current inside rear end, that is, whole charging station
Fundamental wave virtual value and real effective, voltage deviation, non-equilibrium among three phase voltages, voltage fluctuation and flicker, fundamental active power, very
Power factor, the collection of the power quality data such as system frequency deviation；Time service module realizes the unified timing function of system；Communication
Module is responsible for sending and receiving the communication instruction and power quality data between charging station electric energy quality monitoring platform；Protect mould
Block sends warning information and performed automatically corresponding when monitoring or estimating monitoring object generation extreme case according to gathered data
Protection act；UI modules provide user and set and operating interactive function；Storage and recording module according to the cycle set in advance and
The data of collection are stored in local data space by data type in real time.
The DC charging motor electric energy quality monitoring terminal, including current monitoring module, voltage monitoring module, frequency monitoring
Module, power monitoring module, time service module, communication module, UI modules, protection module, storage and recording module；Device passes through electricity
Stream monitoring modular, voltage monitoring module, frequency monitoring module, power monitoring module are worked in coordination, and the direct current that can be monitored fills
The multiple harmonic voltage harmonic electric current of motor front position, voltage fundamental virtual value and real effective, current first harmonics virtual value
With real effective, voltage deviation, non-equilibrium among three phase voltages, voltage fluctuation and flicker, fundamental active power, true power factor,
The collection of the power quality datas such as system frequency deviation；Time service module realizes the unified timing function of system；Communication module is responsible for
The communication instruction and power quality data for sending and receiving and charging between electric energy quality monitoring platform；Protection module is in monitoring
Or when estimating monitoring object according to gathered data and occurring extreme case, send warning information and to perform corresponding protection automatically dynamic
Make；UI modules provide user and set and operating interactive function；Storage and recording module are according to cycle set in advance and data class
The data of collection are stored in local data space by type in real time.
The AC charging machine electric energy quality monitoring terminal, including current monitoring module, voltage monitoring module, power monitoring
Module, time service module, communication module, UI modules, protection module, storage and recording module；Monitor terminal passes through current monitoring mould
Block, voltage monitoring module, power monitoring module are worked in coordination, collection voltages fundamental wave virtual value and real effective, current first harmonics
Virtual value and real effective, voltage deviation, non-equilibrium among three phase voltages, voltage fluctuation and flicker, fundamental active power, true power
The power quality datas such as factor；Time service module realizes the unified timing function of system；Communication module is responsible for sending and receiving and filled
Electricity is to the communication instruction and power quality data between electric energy quality monitoring platform；Protection module is in monitoring or according to gathered data
When estimating monitoring object generation extreme case, send warning information and perform corresponding protection act automatically；UI modules provide use
Family is set and operating interactive function；Storage and recording module are real by the data of collection according to cycle set in advance and data type
When deposit local data space.
The power quality supervisory information system, with unified timing function, supports the Big Dipper and the double time services of GPS, in system
Each node is used, stored, the power quality data of analysis, including charging station electric energy quality monitoring platform, charging station electric energy matter
It is all one to measure supervising device, DC charging motor quality monitoring device of electrical energy terminal and AC charging machine electric energy quality monitoring terminal
Time domain and frequency domain characteristic, it is ensured that the quality of power supply especially harmonic wave and the data consistency and trackability of phase etc..
The charging station quality monitoring device of electrical energy, DC charging motor quality monitoring device of electrical energy terminal and AC charging machine
Electric energy quality monitoring terminal itself can carry out the analysis and management of power quality data, another aspect charging station electric energy quality monitoring
Platform can carry out the analysis and assessment of the branch road quality of power supply according to the data of multiple nodes of acquisition, especially for harmonic pollution
It is likely to occur multiple node harmonic cancellations or increases phenomenon, the data that system is obtained by charging station quality monitoring device of electrical energy,
DC charging motor quality monitoring device of electrical energy terminal and AC charging machine electric energy quality monitoring on each branch road obtained with the same time
The data of terminal are analyzed with being compared, so as to position, analyze, compare, assess and diagnose single charger branch road and charger
Power quality problem caused by itself.
A kind of monitoring method of electric automobile charging station power quality supervisory information system is：
User is by running on charging station electric energy quality monitoring platform and its supporting management work station on central server
System is managed, including system security management, system configuration and data analysis and query function；
Further, user is started by management work station or halt system is run；
Further, user is supervised by management work stand control charging station electric energy quality monitoring platform for the charging station quality of power supply
Control device, DC charging motor electric energy quality monitoring terminal and AC charging machine electric energy quality monitoring terminal and use unified time service work(
Can, it is ensured that the data consistency and comparability of all measurement points；
Further, the charging station quality monitoring device of electrical energy of charging station electric power system rear end is arranged at, single direct current is arranged at
The DC charging motor electric energy quality monitoring terminal of charger front end, the AC charging for being arranged at single AC charging machine front end is electromechanical
Energy quality monitoring terminal, uninterruptedly keeps on-line operation, and gathers in real time and store power quality data.
Further, charging station quality monitoring device of electrical energy, DC charging motor electric energy quality monitoring terminal and AC charging
On the one hand ephemeral data is locally pre-processed and is locally stored by machine electric energy quality monitoring terminal, while being uploaded to charging station electricity
Can quality monitoring platform；
Further, charging station electric energy quality monitoring platform stores or read data from data server；
Further, charging station electric energy quality monitoring platform realizes the electricity of electric automobile charging station according to the various data received
Energy quality monitoring, analysis, assessment and prediction, and can position, analyze, compare, assess and diagnose single charger branch road and charging
Machine caused power quality problem in itself；
Further, user realizes the inquiry of all data by management work station, accessed, and forms various forms and report.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The present invention has unified timing function, supports the Big Dipper and the double time services of GPS, can ensure safety to greatest extent.
（2）The power quality data that each node is used, stores, analyzed in system, including charging station quality of power supply prison
Control the electromechanical energy of platform, charging station quality monitoring device of electrical energy, DC charging motor quality monitoring device of electrical energy terminal and AC charging
Quality monitoring terminal is all a time domain and frequency domain characteristic, thus can realize the quality of power supply especially harmonic wave and the number of phase etc.
According to uniformity and trackability.
（3）One aspect of the present invention charging station quality monitoring device of electrical energy, DC charging motor quality monitoring device of electrical energy terminal
The analysis and management of power quality data can be carried out with AC charging machine electric energy quality monitoring terminal itself, is on the other hand charged
Electric energy quality monitoring platform of standing can carry out the analysis and assessment of the branch road quality of power supply according to the data of multiple nodes of acquisition, especially
It is to be likely to occur multiple node harmonic cancellations or increase phenomenon for harmonic pollution, and system passes through charging station electric energy quality monitoring
DC charging motor quality monitoring device of electrical energy terminal and AC charging on the data that device is obtained, each branch road obtained with the same time
The data of machine electric energy quality monitoring terminal are analyzed with being compared, so as to position, analyze, compare, assess and diagnose single charging
Machine branch road and charger caused power quality problem in itself.
Brief description of the drawings
Fig. 1 is the system logic structure figure of the present invention；
Fig. 2 is the physical communication topology diagram of the present invention；
Fig. 3 is the system functional block diagram of the present invention.
In figure：Electric power system 101；Charging system 102；Monitoring system 103；Charging station electric energy quality monitoring platform 200；Fill
Power station quality monitoring device of electrical energy 201；DC charging motor electric energy quality monitoring terminal 202；AC charging machine electric energy quality monitoring
Terminal 203；DC charging motor 204；AC charging machine 205；Management work station 301；Central server 302；Data server
303。
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing, to the present invention's
Embodiment is described in detail.Specific embodiment described herein, to explain the present invention, however it is not limited to this hair
It is bright.
The present invention is a kind of electric automobile charging station power quality supervisory information system, as shown in Fig. 1 system logic structure figures, this
Invention system is connected to form including electric power system 101, charging system 102 and the three parts of monitoring system 103.Wherein power and be
System 101 and monitoring system 103 are connected with charging station quality monitoring device of electrical energy 201 respectively, charging system 102 and charging station electric energy
DC charging motor electric energy quality monitoring terminal 202 and AC charging machine quality of power supply prison are connected between quality inspection device 201
Control terminal 203；Monitoring system 103 is also connected with central server 302, management work station 301 and data server 303.
The charging system 102 includes DC charging motor 204 and AC charging machine 205, DC charging motor 204 and DC charging motor
Electric energy quality monitoring terminal 202 is connected；AC charging machine 205 is connected with AC charging machine electric energy quality monitoring terminal 203.
The monitoring system 103 includes charging station electric energy quality monitoring platform 200, charging station safety and protection monitoring system and filled
Power station charging monitoring system, charging station electric energy quality monitoring platform 200 is connected with charging station quality monitoring device of electrical energy 201,
Charging station electric energy quality monitoring platform 200 is also connected with central server 302, management work station 301, data server 303.
It is described in more detail below for the present invention as follows：
The present invention includes being arranged at the charging station quality monitoring device of electrical energy 201 of the rear end of charging station electric power system 101, is arranged at list
The DC charging motor electric energy quality monitoring terminal 202 of the individual front end of DC charging motor 204, is arranged at before single AC charging machine 205
The AC charging machine electric energy quality monitoring terminal 203 at end, and the charging station quality of power supply run on central server 302
Monitor supervision platform 200 and its supporting management work station 301 and data server 303；Charging station quality monitoring device of electrical energy 201 is real
The existing electric energy quality monitoring of whole charging station；Each DC charging motor electric energy quality monitoring terminal 202 realizes correspondence DC charging
The electric energy quality monitoring of machine；AC charging machine electric energy quality monitoring terminal 203 realizes the quality of power supply prison of correspondence AC charging machine
Control.
As shown in Fig. 2 physical communication topology diagrams, system is connected by communication link, charging station electric energy quality monitoring dress
201, DC charging motor electric energy quality monitoring terminal 202 and AC charging machine electric energy quality monitoring terminal 203 are put by communication chain
Road communicates and uploads power quality data to charging station electric energy quality monitoring platform 200；All data by running in it is genuinely convinced
Data server is stored in after the corresponding function resume module of charging station electric energy quality monitoring platform 200 on business device 302
303；Management work station 301 realizes access, control, management, data presentation and the user interface of system platform, during receiving is run on
The management of the charging station electric energy quality monitoring platform 200 of central server 302, scheduling and control, and with data server, in it is genuinely convinced
Business device cooperatively constitutes a kind of electric automobile charging station power quality supervisory information system.Charging station electric energy quality monitoring platform 200
Electric energy quality monitoring, analysis can be realized for whole electric automobile charging station, assesses and predicts, and can position, analyze, comparing
Compared with, assess and diagnose single charger branch road and charger caused power quality problem in itself.And system is awarded using unified
Shi Gongneng, it is ensured that the data consistency and comparability of all measurement points.
As shown in Fig. 3 system functional block diagrams, described charging station electric energy quality monitoring platform 200 runs on center service
On device 302, including power quality analysis, quality of power supply trend prediction, electricity quality evaluation, the branch road quality of power supply compare and commented
Estimate, charging station load monitoring and analysis, time service module, communication module, protection module, data processing module, data-storing module,
Multiple modules such as data inquiry module and user's access；Charging station quality monitoring device of electrical energy 201, the DC charging motor quality of power supply
Monitor terminal 202 and AC charging machine electric energy quality monitoring terminal 203 pass through the power quality data of acquisition on communication link
Reach charging station electric energy quality monitoring platform 200, the various power quality datas that power quality analysis analysis is obtained, the quality of power supply
Trend prediction is realized carries out quality of power supply trend prediction for current and history power quality data；Electricity quality evaluation, which is realized, to be filled
The assessment of power station quality of power supply state；The branch road quality of power supply compare with assess by analysis with compared acquisition DC charging motor or
The power quality data of person's AC charging machine and by its power quality data overall with charging station；Charging station load monitoring is with dividing
Analysis calculates and monitored in real time the load condition of charging station, and provides the data support function of electric energy quality monitoring；Time service module can
With compatible with GPS and dipper system simultaneously, it is ensured that the time precision of whole power quality supervisory information system, and subsystems pair
Shi Gongneng；Communication module provides all telecommunication management functions of internal system；Protection module provides the defencive function that system needs；
After basic primary data is uniformly processed data processing module, the data of processing are stored in data, services by data-storing module
Device 303, system can inquire about the data for being stored in server by data inquiry module；User, which accesses, provides management client
303 unified access interface.
Further, described charging station quality monitoring device of electrical energy 201, including current monitoring module, voltage monitoring mould
Block, frequency monitoring module, power monitoring module, time service module, communication module, UI modules, protection module, storage and recording mould
Block；Device is worked in coordination by current monitoring module, voltage monitoring module, frequency monitoring module, power monitoring module, can
Realize that the multiple harmonic voltage harmonic electric current inside charging station electric power system rear end, that is, whole charging station, voltage fundamental have
Valid value and real effective, current first harmonics virtual value and real effective, voltage deviation, non-equilibrium among three phase voltages, voltage pulsation with
Flickering, fundamental active power, true power factor, the collection of the power quality data such as system frequency deviation；Time service module realizes system
The unified timing function of system；Communication module is responsible for sending and receiving the communication between charging station electric energy quality monitoring platform 200
Instruction and power quality data；Protection module is when monitoring or estimating monitoring object generation extreme case according to gathered data, hair
Go out warning information and perform corresponding protection act automatically；UI modules provide user and set and operating interactive function；Storage and record
The data of collection are stored in local data space by ripple module in real time according to cycle set in advance and data type.
Further, described DC charging motor electric energy quality monitoring terminal 202, including current monitoring module, voltage prison
Survey module, frequency monitoring module, power monitoring module, time service module, communication module, UI modules, protection module, storage and recording
Module；Device is worked in coordination by current monitoring module, voltage monitoring module, frequency monitoring module, power monitoring module, energy
The multiple harmonic voltage harmonic electric currents of enough DC charging motor front positions for realizing monitoring, voltage fundamental virtual value and very effective
Value, current first harmonics virtual value and real effective, voltage deviation, non-equilibrium among three phase voltages, voltage fluctuation and flicker, fundamental active
Power, true power factor, the collection of the power quality data such as system frequency deviation；Time service module realizes the unified time service work(of system
Energy；Communication instruction and the quality of power supply that communication module is responsible for sending and receiving and charged between electric energy quality monitoring platform 200
Data；Protection module sends warning information simultaneously certainly when monitoring or estimating monitoring object generation extreme case according to gathered data
It is dynamic to perform corresponding protection act；UI modules provide user and set and operating interactive function；Storage and recording module are according in advance
The data of collection are stored in local data space by the cycle of setting and data type in real time.
Further, described AC charging machine electric energy quality monitoring terminal 203, including current monitoring module, voltage prison
Survey module, power monitoring module, time service module, communication module, UI modules, protection module, storage and recording module.Monitor terminal
Worked in coordination by current monitoring module, voltage monitoring module, power monitoring module, can realize voltage fundamental virtual value and
Real effective, current first harmonics virtual value and real effective, voltage deviation, non-equilibrium among three phase voltages, voltage fluctuation and flicker, base
Ripple active power, the collection of the power quality data such as true power factor；Time service module realizes the unified timing function of system；Communication
Communication instruction and power quality data that module is responsible for sending and receiving and charged between electric energy quality monitoring platform 200；Protect
Shield module sends warning information and automatically execution pair when monitoring or estimating monitoring object generation extreme case according to gathered data
The protection act answered；UI modules provide user and set and operating interactive function；Storage and recording module are according to week set in advance
The data of collection are stored in local data space by phase and data type in real time.
Further, described a kind of electric automobile charging station power quality supervisory information system, with unified timing function,
The Big Dipper and the double time services of GPS are supported, safety can be ensured to greatest extent, the electric energy that each node is used, stores, analyzed in system
Qualitative data, including charging station electric energy quality monitoring platform 200, charging station quality monitoring device of electrical energy 201, DC charging are electromechanical
Can quality inspection device terminal 202 and AC charging machine electric energy quality monitoring terminal 203 be all a time domain and frequency domain characteristic, because
And the quality of power supply especially harmonic wave and the data consistency and trackability of phase etc. can be realized.
Further, described a kind of electric automobile charging station power quality supervisory information system, one side charging station electric energy matter
Measure supervising device 201, DC charging motor quality monitoring device of electrical energy terminal 202 and AC charging machine electric energy quality monitoring terminal
203 itself can carry out the analysis and management of power quality data, and another aspect charging station electric energy quality monitoring platform 200 can be with
Data according to the multiple nodes obtained carry out the analysis and assessment of the branch road quality of power supply, may go out especially for harmonic pollution
Existing multiple node harmonic cancellations or increase phenomenon, the data that system is obtained by charging station quality monitoring device of electrical energy 201, with when
DC charging motor quality monitoring device of electrical energy terminal 202 and AC charging machine electric energy quality monitoring terminal on each branch road that phase obtains
203 data are analyzed with being compared, so as to position, analyze, compare, assess and diagnose single charger branch road and charger sheet
Power quality problem caused by body.
The course of work of the present invention is as follows：
User is by running on charging station electric energy quality monitoring platform 200 and its supporting management on central server 302
Work station 301, is managed to system, including system security management, system configuration and data analysis and query function.
Further, user is started or halt system operation by management work station 301.
Further, user controls charging station electric energy quality monitoring platform 200 to be directed to charging station by management work station 301
Quality monitoring device of electrical energy 201, DC charging motor electric energy quality monitoring terminal 202 and AC charging machine electric energy quality monitoring terminal
203 use unified timing function, it is ensured that the data consistency and comparability of all measurement points；
Further, the charging station quality monitoring device of electrical energy 201 of the rear end of charging station electric power system 101 is arranged at, list is arranged at
The DC charging motor electric energy quality monitoring terminal 202 of the individual front end of DC charging motor 204, is arranged at before single AC charging machine 205
The AC charging machine electric energy quality monitoring terminal 203 at end, uninterruptedly keeps on-line operation, and gathers in real time and store the quality of power supply
Data.
Further, charging station quality monitoring device of electrical energy 201, DC charging motor electric energy quality monitoring terminal 202 and friendship
Ephemeral data is locally pre-processed and is locally stored by the one side of current charge machine electric energy quality monitoring terminal 203, is uploaded simultaneously
To charging station electric energy quality monitoring platform 200.
Further, charging station electric energy quality monitoring platform 200 stores or read data from data server 303.
Further, charging station electric energy quality monitoring platform 200 realizes charging electric vehicle according to the various data received
Electric energy quality monitoring, analysis, assessment and the prediction stood, and can position, analyze, compare, assess and diagnose single charger branch road
And charger caused power quality problem in itself.
Further, user realizes the inquiry of all data by management work station 301, accessed, and forms various forms
And report.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From any angle, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended right
It is required that rather than described above limit, it is intended that all changes in the implication and scope of the equivalency of claim will be fallen
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (10)
1. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：Including electric power system（101）, charging system
（102）And monitoring system（103）Three parts are connected to form；Wherein electric power system（101）, charging system（102）And monitoring
System（103）Respectively with charging station quality monitoring device of electrical energy（201）It is connected；Charging system（102）With the charging station quality of power supply
Supervising device（201）Between be connected with DC charging motor electric energy quality monitoring terminal（202）With AC charging machine quality of power supply prison
Control terminal（203）；Monitoring system（103）Also with central server（302）, management work station（301）And data server
（303）It is connected.
2. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The charging system（102）Filled including direct current
Motor（204）With AC charging machine（205）, DC charging motor（204）With DC charging motor electric energy quality monitoring terminal（202）Phase
Connection；AC charging machine（205）With AC charging machine electric energy quality monitoring terminal（203）It is connected；The monitoring system（103）
Including charging station electric energy quality monitoring platform（200）, charging station safety and protection monitoring system and charging station charging monitoring system, charging
Stand electric energy quality monitoring platform（200）With charging station quality monitoring device of electrical energy（201）It is connected, charging station electric energy quality monitoring
Platform（200）Also and central server（302）, management work station（301）, data server（303）It is connected.
3. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The charging station quality monitoring device of electrical energy
（201）, DC charging motor electric energy quality monitoring terminal（202）With AC charging machine electric energy quality monitoring terminal（203）By logical
Letter link communication simultaneously uploads power quality data to charging station electric energy quality monitoring platform（200）；All data are by running on
Central server（302）On charging station electric energy quality monitoring platform（200）Corresponding function resume module after be stored in number
According to server（303）；Management work station（301）Access, control, management and the data presentation and user for realizing system platform connect
Mouthful.
4. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The charging station electric energy quality monitoring platform
（200）, run on central server, including power quality analysis, quality of power supply trend prediction, electricity quality evaluation, branch
The road quality of power supply compares and assessed, charging station load monitoring and analysis, time service module, communication module, protection module, data processing
Module, data-storing module, data inquiry module and user access；Charging station quality monitoring device of electrical energy（201）, DC charging
Machine electric energy quality monitoring terminal（202）With AC charging machine electric energy quality monitoring terminal（203）By the power quality data of acquisition
Pass through communication links to charging station electric energy quality monitoring platform（200）, the various electric energy that power quality analysis analysis is obtained
Qualitative data, quality of power supply trend prediction is realized carries out quality of power supply trend prediction for current and history power quality data；
Electricity quality evaluation realizes the assessment of charging station quality of power supply state；The branch road quality of power supply compares with assessing by analysis with being compared
The DC charging motor of acquisition or the power quality data of AC charging machine and by its power quality data overall with charging station；
Charging station load monitoring calculates and monitored in real time the load condition of charging station with analysis, and provides the data branch of electric energy quality monitoring
Hold function；Time service module can be while compatible with GPS and dipper system, it is ensured that the time precision of whole power quality supervisory information system,
And the time adjustment function of subsystems；Communication module provides all telecommunication management functions of internal system；Protection module is provided
The defencive function that system needs；After basic primary data is uniformly processed data processing module, data-storing module will be located
The data deposit data server of reason, system inquires about the data for being stored in server by data inquiry module；User accesses and carried
For the unified access interface of management work station.
5. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The charging station quality monitoring device of electrical energy
（201）, including current monitoring module, voltage monitoring module, frequency monitoring module, power monitoring module, time service module, communicate mould
Block, UI modules, protection module, storage and recording module；Device passes through current monitoring module, voltage monitoring module, frequency monitoring
Module, power monitoring module are worked in coordination, and are realized multiple humorous inside charging station electric power system rear end, that is, whole charging station
Wave voltage harmonic electric current, voltage fundamental virtual value and real effective, current first harmonics virtual value and real effective, voltage deviation,
Non-equilibrium among three phase voltages, voltage fluctuation and flicker, fundamental active power, true power factor, the electric energy matter such as system frequency deviation
Measure the collection of data；Time service module realizes the unified timing function of system；Communication module is responsible for sending and receiving and charging station electricity
Communication instruction and power quality data between energy quality monitoring platform；Protection module estimates prison in monitoring or according to gathered data
When surveying object generation extreme case, send warning information and perform corresponding protection act automatically；UI modules provide user and set
With operating interactive function；The data of collection are stored in by storage and recording module in real time according to cycle set in advance and data type
Local data space.
6. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The DC charging motor electric energy quality monitoring
Terminal（202）, including current monitoring module, voltage monitoring module, frequency monitoring module, power monitoring module, time service module, lead to
Believe module, UI modules, protection module, storage and recording module；Device passes through current monitoring module, voltage monitoring module, frequency
Monitoring modular, power monitoring module are worked in coordination, the multiple harmonic voltage of the DC charging motor front position that can be monitored and
Harmonic current, voltage fundamental virtual value and real effective, current first harmonics virtual value and real effective, voltage deviation, three-phase voltage
Degree of unbalancedness, voltage fluctuation and flicker, fundamental active power, true power factor, the power quality data such as system frequency deviation
Collection；Time service module realizes the unified timing function of system；Communication module is responsible for sending and receiving and charges to quality of power supply prison
Control platform（200）Between communication instruction and power quality data；Protection module estimates monitoring in monitoring or according to gathered data
When extreme case occurs for object, send warning information and perform corresponding protection act automatically；UI modules provide user set and
Operating interactive function；The data of collection are stored in this by storage and recording module in real time according to cycle set in advance and data type
Ground data space.
7. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The AC charging machine electric energy quality monitoring
Terminal（203）, including current monitoring module, voltage monitoring module, power monitoring module, time service module, communication module, UI moulds
Block, protection module, storage and recording module；Monitor terminal passes through current monitoring module, voltage monitoring module, power monitoring module
Work in coordination, collection voltages fundamental wave virtual value and real effective, current first harmonics virtual value and real effective, voltage deviation, three
Phase voltage degree of unbalancedness, voltage fluctuation and flicker, fundamental active power, the power quality data such as true power factor；Time service module
Realize the unified timing function of system；Communication module is responsible for sending and receiving and charges to electric energy quality monitoring platform（200）It
Between communication instruction and power quality data；Protection module estimates the extreme feelings of monitoring object generation in monitoring or according to gathered data
During condition, send warning information and perform corresponding protection act automatically；UI modules provide user and set and operating interactive function；Deposit
The data of collection are stored in local data space by storage and recording module in real time according to cycle set in advance and data type.
8. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The power quality supervisory information system, with system
One timing function, supports the Big Dipper and the double time services of GPS, the quality of power supply number that each node is used, stores, analyzed in system
According to, including charging station electric energy quality monitoring platform, charging station quality monitoring device of electrical energy, DC charging motor electric energy quality monitoring dress
It is all a time domain and frequency domain characteristic to put terminal and AC charging machine electric energy quality monitoring terminal, it is ensured that the quality of power supply is especially humorous
Ripple and the data consistency and trackability of phase etc..
9. a kind of electric automobile charging station power quality supervisory information system, it is characterized in that：The charging station quality monitoring device of electrical energy
（201）, DC charging motor quality monitoring device of electrical energy terminal（202）With AC charging machine electric energy quality monitoring terminal（203）From
Body can carry out the analysis and management of power quality data, and another aspect charging station electric energy quality monitoring platform can be according to the more of acquisition
The data of individual node carry out the analysis and assessment of the branch road quality of power supply, are likely to occur multiple nodes especially for harmonic pollution humorous
Ripple is offset or increase phenomenon, the data that system is obtained by charging station quality monitoring device of electrical energy, each obtained with the same time
DC charging motor quality monitoring device of electrical energy terminal and the data of AC charging machine electric energy quality monitoring terminal are analyzed on road
With being compared, so as to position, analyze, compare, assess and diagnose single charger branch road and the charger caused quality of power supply in itself
Problem.
10. using a kind of monitoring method of electric automobile charging station power quality supervisory information system as claimed in claim 1, it is special
Levying is：
User is by running on charging station electric energy quality monitoring platform and its supporting management work station on central server
System is managed, including system security management, system configuration and data analysis and query function；
Further, user is started by management work station or halt system is run；
Further, user is supervised by management work stand control charging station electric energy quality monitoring platform for the charging station quality of power supply
Control device, DC charging motor electric energy quality monitoring terminal and AC charging machine electric energy quality monitoring terminal and use unified time service work(
Can, it is ensured that the data consistency and comparability of all measurement points；
Further, the charging station quality monitoring device of electrical energy of charging station electric power system rear end is arranged at, single direct current is arranged at
The DC charging motor electric energy quality monitoring terminal of charger front end, the AC charging for being arranged at single AC charging machine front end is electromechanical
Energy quality monitoring terminal, uninterruptedly keeps on-line operation, and gathers in real time and store power quality data；
Further, charging station quality monitoring device of electrical energy, DC charging motor electric energy quality monitoring terminal and AC charging are electromechanical
On the one hand ephemeral data is locally pre-processed and is locally stored by energy quality monitoring terminal, while being uploaded to charging station electric energy matter
Measure monitor supervision platform；
Further, charging station electric energy quality monitoring platform stores or read data from data server；
Further, charging station electric energy quality monitoring platform realizes the electricity of electric automobile charging station according to the various data received
Energy quality monitoring, analysis, assessment and prediction, and can position, analyze, compare, assess and diagnose single charger branch road and charging
Machine caused power quality problem in itself；
Further, user realizes the inquiry of all data by management work station, accessed, and forms various forms and report.
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