WO2019020629A1 - Procédé d'évaluation de réseau et de génération d'une consigne d'un chargeur - Google Patents

Procédé d'évaluation de réseau et de génération d'une consigne d'un chargeur Download PDF

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Publication number
WO2019020629A1
WO2019020629A1 PCT/EP2018/070042 EP2018070042W WO2019020629A1 WO 2019020629 A1 WO2019020629 A1 WO 2019020629A1 EP 2018070042 W EP2018070042 W EP 2018070042W WO 2019020629 A1 WO2019020629 A1 WO 2019020629A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
phase
mains voltage
charger
supplied
Prior art date
Application number
PCT/EP2018/070042
Other languages
German (de)
English (en)
Inventor
Jan KORTE
Hans-Georg Beerens
Original Assignee
Leopold Kostal Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leopold Kostal Gmbh & Co. Kg filed Critical Leopold Kostal Gmbh & Co. Kg
Publication of WO2019020629A1 publication Critical patent/WO2019020629A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0007—Frequency selective voltage or current level measuring
    • 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
    • B60L53/20—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 characterised by converters located in the vehicle
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/63—Monitoring or controlling charging stations in response to network capacity
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/64—Optimising energy costs, e.g. responding to electricity rates
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • 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
    • 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]
    • 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
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • 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
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the invention relates to a method of method for network evaluation and setpoint generation for a charger with a generalized integrator to which a mains voltage signal is supplied as a first input signal and to which a variable frequency coefficient is supplied as a second input signal.
  • Chargers in electric vehicles are connected to the rotary or alternating voltage network of the energy suppliers.
  • the connection to the power supply network can be defined by specific electrical parameters.
  • the compound can have a particularly high resistance or a particularly high inductance.
  • there may be other consumers in the direct vicinity of the connection location which strongly influence the voltage form of the connection point. The switching on and off of such consumers can lead to disturbances of the voltage shape and the phase position, up to voltage and phase jumps.
  • the chargers Since the chargers are installed in the vehicles, they can be confronted with all these forms of interference at various junctions. The chargers should therefore be able to deal with all these disorders. As far as possible, the full charging power of the
  • the charger should be able to provide at least part of the charging power. Furthermore, high demands are placed on the chargers with regard to the current consumption from the energy supply network. The charger should absorb a sinusoidal current in phase with the mains voltage. This property can be determined using the power factor ⁇ , which is the
  • Figure 1 is a generalized integrator with a variable
  • Figure 2 shows a phase controller for controlling the frequency coefficient
  • Figure 3 shows two diagrams for explaining the detection of a
  • FIG. 4 shows an implementation of the generalized integrator
  • FIG. 5 shows a first implementation of the phase controller
  • FIG. 6 shows a second implementation of the phase controller.
  • the method according to the invention uses a generalized integrator 1 with an adjustable frequency coefficient a.
  • Such an integrator is known from the literature, such as the aforementioned European Patent Application EP 2354800 A1, and is used in many places as a sine filter.
  • This generalized integrator 1 is now extended by a phase controller 2. The entirety of both parts forms a frequency-adaptive generalized integrator 1, 2, which implements the method according to the invention.
  • the generalized integrator 1 with variable frequency coefficients ⁇ is shown in FIG. It has two inputs En, E12 and two outputs A11, A12.
  • the input signal at the first input En is the measured mains voltage u.
  • the input signal applied to the second input E12 is the adjustable frequency coefficient a.
  • the output signals y t , y 2 at the two outputs An, Absind, first, the interference-corrected
  • the temporal behavior of the generalized integrator 1 can be described by a set of two differential equations:
  • the parameter b describes the filter quality of the generalized integrator 1.
  • Input signals of the four inputs E21, E22, E23, E24 are in sequence the mains voltage signal u, the first output signal y x and the second one
  • phase controller 2 Phase reference w.
  • the output signals of the phase controller 2 are a so-called power quality index r at the output A21, and at the output A22 the frequency coefficient a, which is an input of the generalized
  • Integrator 1 forms.
  • the operation of the frequency-adaptive generalized integrator 1, 2 is the following.
  • the course of the mains voltage is detected by a suitable, not shown here measuring device and transferred as mains voltage signal u to the frequency-adaptive generalized integrator 1, 2.
  • the course of the mains voltage signal u is basically sinusoidal, but may well contain disturbances, such as distortions, harmonics or gaps.
  • the generalized integrator 1 picks up the waveform of the sinusoidal fundamental wave of the mains voltage signal u and oscillates with it.
  • the quality and speed of this adaptation can be set by means of the parameter b.
  • the parameter ⁇ of the generalized integrator 1 is set by the phase controller 2 shown in FIG. 2 in such a way that it describes the frequency underlying the fundamental wave of the mains voltage signal u. If this frequency coefficient ⁇ is not set correctly, this results a phase shift p between the signals u and y t . This is from the phase controller 2 detected and controlled by changing the frequency coefficient a to a phase setpoint w.
  • phase shift p The detection of the phase shift p is further illustrated by the two diagrams of Figure 3. Plotted are in the figure 3a, the time course of voltage signals and in the figure 3b, the time profile of the angle of the phase shift p, the figures represent their gradients purely qualitatively. In this case, first of all the mains voltage signal u subtracts the interference-corrected signal y t . The resulting difference signal 777 is multiplied by the signal y 2 (FIG. 3 a ). This results in a phase signal p (FIG. 3b) which describes the phase shift between the signals u and y x .
  • phase signal p is always positive, as soon as the signal trailing the signal u, and always negative, as soon as the signal y x before the mains voltage signal u runs .
  • Phase signal p oscillates at twice the frequency of the
  • phase signal p This mean value of the phase signal p is now the used I-controller I in the phase controller 2 by adjusting the frequency coefficient ⁇ the
  • the control speed of the phase controller can be set by the parameter k.
  • the net quality index r is generated from the signal rp by magnitude. He describes at each time the deviation of the measured mains voltage u from the expected fundamental wave y 1 of the mains voltage. This provides a real-time evaluation of the network quality, which maps all possible disturbances of the network voltage u. Further processing of the network quality index r is possible in many ways; At this point, a continuous evaluation, which directly affects the rate of change of the electrical power consumption, especially when starting the charger, and an evaluation by means of an absolute or variable limit, which leads to a reduction in performance of the charger when exceeded. This allows the charger to efficiently respond to failures that may occur at a poor quality grid connection point or off-grid, at a high power draw by the charger.
  • the charger can be given an arbitrary course of the phase shift p to the mains voltage in the range of approximately -20 ° to + 20 °. This can be used as a manipulated variable for
  • the zero crossing of the mains voltage u can be detected with the aid of the signal y x , without the need for time-consuming, error-prone detection
  • Network quality index r The response to the network quality index r is not subject to the enormous time requirements of network analysis and thus can also be implemented on cost-effective microcontrollers.
  • the generalized integrator 1 is shown in FIG. 4. This is obtained from the general definition in FIG. 1 by a transformation into a discrete model with a defined sampling rate.
  • the meme element represents a buffer.
  • phase controller shown in FIG. 5 can be achieved by discretizing the model shown in FIG.
  • the parameter kd is a time discrete parameter herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un procédé d'évaluation de réseau et de génération d'une consigne d'un chargeur comprenant un intégrateur généralisé (1), auquel est cédé, comme premier signal d'entrée, un signal de tension nominale, et, comme deuxième signal d'entrée, un coefficient de fréquence variable ; le coefficient de fréquence est un premier signal de sortie d'un régulateur de phase (2) ; le signal de tension nominale, un signal de consigne de phase et les signaux de sortie de l'intégrateur généralisé (1) sont cédés au régulateur de phase (2) par les entrées de ce dernier, et le régulateur de phase (2) forme, à partir du signal de tension nominale et d'un signal de sortie de l'intégrateur génératlisé (1), un signal différentiel dont la valeur représente un indice de qualité du réseau.
PCT/EP2018/070042 2017-07-26 2018-07-24 Procédé d'évaluation de réseau et de génération d'une consigne d'un chargeur WO2019020629A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017007037.7A DE102017007037B4 (de) 2017-07-26 2017-07-26 Verfahren zur Netzbewertung und Sollwertgenerierung
DE102017007037.7 2017-07-26

Publications (1)

Publication Number Publication Date
WO2019020629A1 true WO2019020629A1 (fr) 2019-01-31

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100213925A1 (en) * 2006-11-06 2010-08-26 Gamesa Innovation & Technology, S.L. Advanced real-time grid monitoring system and method
EP2354800A1 (fr) 2010-02-01 2011-08-10 ABB Research Ltd Procédé et dispositif pour déterminer le composant de fréquence fondamentale de la tension de réseau

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5470677B2 (ja) * 2006-11-29 2014-04-16 日本電産株式会社 単相交流信号の基本波成分検出方法
EP2634909B1 (fr) * 2012-03-02 2017-02-15 ABB Research Ltd. Procédé pour contrôler un convertisseur avec elevateur abaisseur et onduleur pont en H à source de courant en cascade raccordé au réseau pour les applications photovoltaïques et dispositif

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100213925A1 (en) * 2006-11-06 2010-08-26 Gamesa Innovation & Technology, S.L. Advanced real-time grid monitoring system and method
EP2354800A1 (fr) 2010-02-01 2011-08-10 ABB Research Ltd Procédé et dispositif pour déterminer le composant de fréquence fondamentale de la tension de réseau

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Publication number Publication date
DE102017007037B4 (de) 2020-07-16
DE102017007037A1 (de) 2019-01-31

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