• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a method for managing an electrical network of a railway network, the electrical network comprising at least one central unit (19) and a plurality of power supply substations (7), the substations of power supply being connected to a power supply means (5) of one or more rail vehicles (3), the power supply substations (7) being adapted to convert a first electric current having a transport voltage in a second electric current adapted to flow on the current supply means (5) and having a voltage of use.
    公开号:FR3062227A1
    申请号:FR1750570
    申请日:2017-01-24
    公开日:2018-07-27
    发明作者:Alain Manuguerra；Laurent Deshayes
    申请人:Alstom Transport Technologies SAS；
    IPC主号:
    专利说明:

    Holder (s): GIES.
    ALSTOM TRANSPORT TECHNOLOO Request (s) for extension:
    (® Agent (s): LAVOIX.
    ® METHOD AND SYSTEM FOR MANAGING AN ELECTRICAL NETWORK OF A RAILWAY NETWORK.
    FR 3,062,227 - A1 (57) The present invention relates to a method for managing an electrical network of a rail network, the electrical network comprising at least one central unit (19) and a plurality of electrical supply substations ( 7), the electrical supply substations being connected to a current supply means (5) of one or more railway vehicles (3), the electrical supply substations (7) being suitable for converting a first electric current having a transport voltage, into a second electric current suitable for flowing on the current supply means (5) and having a working voltage.

    Method and system for managing an electrical network of a railway network
    The present invention relates to a method for managing an electrical network of a rail network, comprising a step consisting in receiving a plurality of measured data, the measured data comprising the current intensity and / or a voltage value supplied to and / or received from a current supply means of a railway line of at least one electrical supply substation.
    For example, KR 101437350 and CN 104578399 respectively disclose an intelligent collection system for capturing current and voltage in a rail network.
    During the operation of an electrical network of a railway track, the electrical equipment can degrade slowly or unknown events can destroy or damage the electrical equipment.
    The purpose of the request is to provide a method and a system for more efficient management of an electrical network of a rail network.
    This object is achieved, in accordance with the invention, by a method for managing an electrical network of a rail network, the electrical network comprising at least one central unit and a plurality of electrical supply substations, the substations power supply being connected to a current supply means of one or more railway vehicles, the power supply substations being adapted to convert a first electric current having a transport voltage, into a second clean electric current to flow on the current supply means and having a working voltage, or vice versa, the method comprising steps consisting in: the reception, by the central unit, of a plurality of measured data, the measured data comprising the intensity of a current and / or a voltage value supplied to and / or received from the current supply means;
    storage, by the central unit, of the measured data, the stored measured data being associated with a capture time;
    the reception, by the central unit, of one or more instantaneous measured values of the intensity of the current and / or of the voltage supplied to and / or received from the current supply means;
    it calculates, by the central processing unit, at least one estimated value of the instantaneous measured value or values, from the stored measured data;
    comparing, at the central unit level, the instantaneous measured value (s) with the estimated value (s); and the activation, by the central unit, of an alarm, as a function of the comparison of the instantaneous value or values with the estimated value or values, and / or the sending, by the central unit, of a control signal to the power supply substation, as a function of the comparison of the instantaneous value (s) with the estimated value (s).
    According to advantageous characteristics:
    - the alarm indicates a maintenance operation to be carried out;
    - upon receipt of the control signal, the electrical supply substation checks at least one electrical equipment of the electrical supply substation according to the control signal;
    - the measured data include one or more temperature values associated with at least one electrical equipment and / or with one or more rooms of the electrical supply substation and / or the operating counters of an associated electrical connection switch at least one piece of electrical equipment from the power supply substation; and or
    the method further comprises the following step: the measurement, at the level of the electrical supply substation, of the measured data and / or of one or more temperature values associated with at least one electrical item of equipment or with one or rooms in the power supply substation.
    According to another aspect of the invention, this object is achieved by a system for managing an electrical network of a rail network, the electrical network comprising at least one central unit and a plurality of electrical supply substations, the electrical supply substations being connected to a current supply means for one or more rail vehicles, the electrical supply substations being suitable for converting a first electric current having a transport voltage, into a second electric current suitable for circulation on the current supply means and having a working voltage, or vice versa, the central unit being suitable for:
    receiving a plurality of measured data, the measured data comprising the intensity of a current and / or a voltage value supplied to and / or received from the current supply means;
    storing the measured data, the stored measured data being associated with a capture time;
    receiving one or more instantaneous measured values of the intensity of the current and / or of the voltage supplied to and / or received from the current supply means;
    calculating at least one estimated value of the instantaneous measured value or values, from the stored measured data;
    comparing the instantaneous measured value (s) with the estimated value (s);
    activate an alarm, according to the comparison of the instantaneous value (s) with the estimated value (s) and / or send a control signal to the power supply substation, according to the comparison of the instantaneous value (s) with the estimated value (s).
    According to advantageous characteristics:
    - the alarm indicates a maintenance operation to be carried out;
    the electrical supply substation comprises one or more electrical items of equipment, the electrical supply substation being capable, upon reception of the control signal, of controlling at least one of the electrical items of equipment as a function of the control signal;
    - the measured data include one or more temperature values associated with at least one electrical equipment and / or with one or more rooms of the electrical supply substation and / or the operating counters of an associated electrical connection switch at least one piece of electrical equipment from the power supply substation;
    - the electrical supply substation, is suitable for measuring measured data, and / or one or more temperature values associated with at least one electrical item of equipment or a room in the electrical supply substation; and or
    - the system includes a computer network for the connection between the substations and the central unit and for communication between the substations.
    Other characteristics and advantages of the present invention will emerge from the description given below, with reference to the drawings, which illustrate an exemplary embodiment devoid of any limiting nature and in which:
    - Figure 1 is a schematic view of a section of a railroad;
    - Figure 2 is a schematic view of a system according to the invention;
    - Figure 3 is a schematic view of a portion of the system according to the invention and
    - Figure 4 shows a flow diagram of the method according to the invention.
    Figure 1 schematically shows a section of a rail track 1 on which an electric rail vehicle 3 runs. The rail vehicle 3 is for example a tram, a train, a metro, etc. The rail vehicle 3 can operate in a traction mode, where the rail vehicle 3 consumes electrical energy supplied by a current supply means 5, or in a braking energy recovery mode, in which the rail vehicle 3 generates electrical energy which it transmits by means of current supply 5.
    The current supply means 5 for the vehicle runs along the railway track 1. For example, the current supply means 5 is a catenary or a conductive rail.
    The electrical energy management system of a rail network comprises a plurality of electrical supply substations 7. The electrical supply substations 7 are connected on one side by means of current supply 5 and on the other hand to a high voltage distribution network 9.
    The electrical supply substations 7 are suitable for converting a first electrical current having a transport voltage, for example received from the high-voltage distribution network 9, into a second current having a working voltage and being suitable for flowing on the current supply means 5, or the reverse when the rail vehicle 3 operates in the braking energy recovery mode.
    To this end, the electrical supply substations 7 comprise electrical equipment, for example one or more transformers, one or more inverters, one or more rectifiers, one or more circuit breakers, one or more contactors, and / or one or several disconnectors.
    Figure 2 is a schematic view of the system. The electrical supply substations 7 each comprise one or more current and / or voltage sensors 11 suitable for measuring the current and / or the voltage supplied to and / or received from the supply means current 5. In one embodiment, the current supplied to the current supply means 5 is the current used by the rail vehicle 3 during traction and the current received from the rail vehicle 3, when the rail vehicle 3 is in a braking energy recovery mode.
    The supply current is for example a direct current or an alternating current.
    Advantageously, the electrical supply substations 7 also include counting sensors capable of counting a number of operations, that is to say determining a operation counter of an electrical connection switch associated with at least one electrical equipment of the electrical supply substation 7. The number of operations is for example a number of openings and / or closings of the switch.
    In addition, the electrical supply substations 7 comprise, in one embodiment, one or more temperature sensors 12. The temperature sensor (s) are capable of sensing the temperature of the electrical equipment of the station 3062227. 'respective power supply 7, and / or the temperature of the room (s) of the respective power supply substation 7.
    The sensor or sensors are connected to one or more local computing units 13, for example a programmed circuit and / or a processor. Each local computing unit 13 is suitable for being connected to a computer network 15. In one embodiment, the computer network 15 is a virtual network.
    The computer network 15 allows communication between each electrical supply substation 7 and one or more central processing units 19. A central processing unit 19 is associated with several electrical supply substations 7. The central processing unit (s) 19 are arranged remote from power supply substations 7.
    For example, the local calculation unit or units 13 transmit the measured data to the central unit or units 19. The measured data include a current intensity and / or a voltage value supplied to and / or received from the current supply means 5. In addition, in one embodiment, the local computing units 13 transmit one or more temperature values to the central unit or units 19 as measured data and / or the operation counters. The measured data transmitted is associated with a time value or time stamped. In other examples, all of the electrical data coming from the local computing units 13 of the power supply substations 7 are sent to the central unit 19. In another example, the local computing unit (s) 13 are suitable for sending the operating status of electrical equipment (s), an event, an alarm, etc. In one embodiment, an event is a change in the operating state of an item of equipment, for example a circuit breaker changes from the open position to the closed position and / or the temperature of a transformer rises by a value normal to abnormal (too hot)]
    The computer network 15 also allows communication between the power supply substations 7, in particular between the local computing units 13 of the power supply substations 7. For example, a first local computing unit 13 of a first electrical supply sub-station 7 needs one or more data from a second local computing unit 13 in a second electrical supply sub-station 7, in particular without consulting a central unit 19.
    In one embodiment, the local computing units 13 are able to control the electrical equipment located in the respective electrical supply substation. For example, the local computing unit (s) 13 are capable of controlling, activating and / or stopping one or more electrical items of equipment of the electrical supply substation 7. In one embodiment, the local computing units 13 controls the electrical equipment (s) in response to a control signal received from one of the central units 19.
    In one example, the local computing units 13 do not include any sophisticated local man-machine interface for analyzing or displaying the values of the sensors 11, 12. A man-machine interface is, for example, provided by a computer or a portable device 23 which is connected to the computer network 15 to receive this information from the central unit 19.
    The central unit 19 is, for example, a server which is capable of preparing information readable by clients on other computers, for example a computer 21 located on the site of the central unit or by the portable device 23 In one embodiment, the server is capable of generating HTML pages (hypertext markup language) which are readable by a web browser installed on the computer 21 and / or the portable device 23.
    In one embodiment, the central unit 19 is suitable for enriching the raw data by algorithms, thresholds, counters, etc. The enriched data is made available by the central unit 19 to the various parties, for example to the portable device 23 and / or to the computer 21, as information. The readable information made available to the other computers 21 or portable devices 23 are the current or historical values of the sensors 11, 12 or information based on the current or historical values of the sensors 11, 12.
    In addition, the central unit 19 is able to send control signals to the local computing units 13 to control them or to control the electrical equipment or items of the respective electrical supply sub-station 7, for example in response to '' a user command or a calculation from the data received.
    FIG. 3 is a schematic view of a portion of the system according to the invention showing in greater detail the central unit 19. The central unit 19 comprises a first communication module 30 suitable for being connected to the local computing units 13 via the computer network 15. The local computing units 13 are capable of sending the data to the central unit on their own initiative 19. For example, the local computing units 13 can send the measured data when a value changes periodically, and / or at the request of a user.
    The communication module 30 transmits the data measured by the sensors 11, 12 of the power supply substations 7 to a database management module 32. The database management module 32 is suitable for storing the data measured in a database 34, to synchronize with another external database 36 and to make a backup copy of the database
    34. In particular all the numerical values, the events and the alarms of the power supply substations are stored in the database 34. In one embodiment, the site or the location of the power supply sub-station 7 is also associated with the data.
    The module for creating a graph 42 creates, using the data from the database 34, a graph representing the data. The graph is supplied to a server module 44 which gives access to the remote computers 21,23.
    In one embodiment, the central unit 19 comprises an alarm management module 46 and a mathematical module 48. The alarm management module 46 allows, depending on the state of the alarms and the various actions performed by the operator , to establish for each alarm different values, for example: alarm not acknowledged, alarm acknowledged, alarm disappeared unacknowledged, and / or masked alarm. The mathematical module 48 works out calculations on the data of the database 34 to create new data or to have a representation of these in the graph such as, for example, a calculation of an hourly average, a cumulative over a day, statistics for a year, etc ...
    The server module 44 is suitable for receiving commands from a remote computer 21, 23, for example to allow data to be filtered by category, for example: date, degree of severity and / or importance; type of equipment; voltage level and / or place of measurement.
    For example, in one embodiment, the operator can, using a remote computer, view general electrical supply diagrams, detailed diagrams of the electrical substations (connection station to the electrical network; traction substation ; auxiliary substation etc.), and / or diagrams of the computer architecture as information.
    In one embodiment, the central unit 19 is capable of generating information, for example in the form of dashboards, concerning the general condition of the electrical equipment of the railway track 1, the detailed state of the electrical equipment of each substation 7, the general condition of the equipment constituting the computer architecture of the system, for example the local computing unit 13, the detailed status of the automata of each electrical substation, operating time of the electrical equipment, and / or operating temperatures of electrical equipment. The status of electrical equipment includes whether this equipment is on or off.
    The computer architecture of the system includes the local computing unit (s) 13, the computer network 15, the central unit 19 and the display unit (s), for example one or more computers 21 and 23.
    In one embodiment, the central unit 19 comprises a function 38 for replaying captured data using a database for replaying 40. For this purpose, the function for replaying 38 is suitable for reading data from the database. 34 to store them in its database for replaying 40. The function 38 is suitable for generating a sequence of the data and providing it to a module for creating a graph 42.
    The central unit 19 makes it possible to replay data, for example step by step, to restart a faulty sequence. So a more detailed breakdown analysis is possible.
    This information enables effective maintenance of the energy system and, in particular, of one or more electrical supply substations 7. For example, the central unit 19, in particular the mathematical module 48, is capable of transmitting alerts intended for maintenance personnel in order to schedule maintenance operations for electrical equipment, in particular in accordance with the instructions of the manufacturer of the electrical equipment.
    In one embodiment, the user can send control signals to the power supply substations 7 to control the electrical equipment, by the central unit 19. In another example, the central unit 19 can send control signals to the power supply substations 7 according to one or more received received values.
    In another embodiment, the central unit 19 is capable of generating information, for example in the form of dashboards, concerning for example, current electrical measurements of current or voltage and minimum, maximum, average values, and / or effective; energy consumption and identification of deviations from a statistical model or a historical average; the power required by the electrical supply substation 7, for example in kVA, kW, kVAR, and / or the power factor; the power drawn off by the electrical supply substation 7, for example the power for traction and / or the power, in particular in kVA, kW, kVAR, and / or the power factor, for the auxiliaries; the power recovered to high voltage and / or the power recovered to direct current for reversible power supply substations 7; and / or an output of the power supply substation 7 (with and without inclusion of the auxiliary power supply substations). For example, this information allows prediction of consumption and typical profiles, highlighting anomalies and optimizing the energy subscription. In another example, the central unit 19 is able to calculate estimated load profiles, for example daily, monthly or annual, to compare them with current consumption to analyze or anticipate the differences.
    A reversible power supply sub-station 7 operates in both directions either by providing traction energy to the rail vehicle 3, or by recovering the braking energy from the rail vehicle 3 to restore it upstream, as explained above. above. An auxiliary power supply substation 7 is a substation which does not supply traction energy to the rail vehicle 3, but which supplies energy to passenger stations for lighting, ventilation, air conditioning or heating, etc. This information enables effective energy management.
    In another embodiment, the central unit 19 is capable of executing different sequences to energize the high voltage energy, to stop the high voltage energy, to energize or stop the traction energy; to turn an electrical section on or off using various operator commands from a remote computer 21,23.
    To this end, the central unit 19, in response to a command from a user or automatically, sends one or more command signals to a local computing unit 13. In response to the reception of this or these command signals , the local computing unit 13 executes the command or commands, for example activates the circuit breaker to energize the electrical supply substation 7. For example, if the central unit 19 detects during a comparison of an instantaneous value of current and / or voltage that an error occurs, it can execute a sequence to put in degraded mode the current supply means 5
    These operations make it possible to manage the electrical infrastructure of a railroad track and can be requested by a remote computer 21, 23 via the server module 44. FIG. 4 shows a flow diagram of the method according to the invention.
    In a step 100, the local calculation units 13 receive the measured data from the sensors 11, 12 and send this measured data to the central unit 19. The central unit 19 receives the measured data. The measured data include the intensity of a current, a voltage value supplied to and / or received from the current supply means 5, and / or one or more temperature values associated with at least electrical equipment and / or one or more rooms in the electrical supply substation 7.
    Advantageously, the measured data include counters for operating an electrical connection switch associated with at least one piece of electrical equipment of the electrical supply substation.
    In one embodiment, the measured data is associated with a capture time by the local computing unit 13 and / or by the sensor 11, 12 which is also sent by the respective local computing unit 13 to the unit. central 19.
    In a step 102, the central unit 19 stores the measured data in the database 34, the stored measured data being associated with a capture time.
    The central unit 19 then receives, in step 104, one or more instantaneous measured values of the intensity of the current and / or of the voltage supplied to and / or received from the supply means. current 5. In one embodiment, the central unit 19 receives, from one or more local calculation units 13, other instantaneous measured values, for example temperature values associated with at least one electrical equipment and / or to one or more rooms of the respective power supply substation 7.
    In step 106, the central processing unit 19 calculates, for example with the mathematical module 48, at least one estimated value of the instantaneous measured value or values, on the basis of the stored measured data. For example, the estimated value corresponds to an estimated current intensity or an estimated voltage value for the instant of capture of the instantaneous measured value (s) of the intensity of the current and / or of the voltage supplied to and / or received from the current supply means 5.
    Then, in step 108, the instantaneous measured value or values are compared with the estimated value or values, for example by the central unit 19.
    The central unit 19 activates, in step 110 an alarm, as a function of the comparison of the instantaneous measured value or values with the estimated value or values. For example, if the instantaneous measured value or values have a difference greater than a predetermined value, the central unit 19 activates the alarm. In one embodiment, the alarm indicates maintenance to be carried out. Alternatively or additionally, the central unit 19 sends a control signal to the electrical supply substation 7, as a function of the comparison of the instantaneous measured value or values with the estimated value or values. Upon receipt of the control signal, the power supply substation 7 controls at least one piece of electrical equipment of the power supply substation 7 as a function of the control signal. For example, the control signal can command the electrical supply substation 7 to energize or stop the traction energy, to energize or de-energize an electrical section, and / or to perform other operations. .
    权利要求:
    Claims (11)
    [1" id="c-fr-0001]
    1. -Method for managing an electrical network of a rail network, the electrical network comprising at least one central unit (19) and a plurality of electrical supply substations (7), the electrical supply substations being connected to a current supply means (5) of one or more railway vehicles (3), the electric supply substations (7) being suitable for converting a first electric current having a transport voltage, by a second electric current suitable for flowing on the current supply means (5) and having a working voltage, or vice versa, the method comprising steps consisting in: reception (100), by the central unit (19 ), of a plurality of measured data, the measured data comprising the intensity of a current and / or a voltage value supplied to and / or received from the current supply means (5) ;
    the storage (102), by the central unit (19), of the measured data, the stored measured data being associated with a capture time;
    the reception (104), by the central unit (19), of one or more instantaneous measured values of the intensity of the current and / or of the voltage supplied to and / or received from the means d 'power supply (5);
    it calculates (106), by the central unit (19), of at least one estimated value of the instantaneous measured value or values, on the basis of the stored measured data;
    comparing (108), at the central processing unit (19), the instantaneous measured value (s) with the estimated value (s); and the activation (110), by the central unit (19), of an alarm, as a function of the comparison of the instantaneous value or values with the estimated value or values, and / or the sending (110), by the central unit (19), a control signal to the electrical supply substation (7), as a function of the comparison of the instantaneous value or values with the estimated value or values.
    [2" id="c-fr-0002]
    2. - Method according to claim 1, characterized in that the alarm indicates a maintenance operation to be carried out.
    [3" id="c-fr-0003]
    3. - Method according to claim 1 or 2, characterized in that, on receipt of the control signal, the electrical supply sub-station (7) controls at least one electrical equipment of the electrical supply sub-station (7) depending on the control signal.
    [4" id="c-fr-0004]
    4. - Method according to one of the preceding claims, characterized in that the measured data include one or more temperature values associated with at least one electrical equipment and / or one or more rooms of the electrical supply sub-station (7), and / or the operating counters of an electrical connection switch associated with at least one electrical item of equipment of the electrical supply substation.
    [5" id="c-fr-0005]
    5. - Method according to one of the preceding claims, characterized in that the method further comprises the following step:
    the measurement, at the level of the electrical supply substation (7), of the measured data and / or of one or more temperature values associated with at least one electrical equipment or with one or more rooms of the substation power supply (7) ·
    [6" id="c-fr-0006]
    6. - System for managing an electrical network of a rail network, the electrical network comprising at least one central unit (19) and a plurality of electrical supply substations (7), the electrical supply substations being connected to a current supply means (5) of one or more rail vehicles (3), the electrical supply substations (7) being suitable for converting a first electric current having a transport voltage, by a second electric current suitable for flowing on the current supply means (5) and having a working voltage, or vice versa, the central unit (19) being suitable for:
    receiving a plurality of measured data, the measured data comprising the intensity of a current and / or a voltage value supplied to and / or received from the current supply means (5);
    storing the measured data, the stored measured data being associated with a capture time;
    receiving one or more instantaneous measured values of the intensity of the current and / or of the voltage supplied to and / or received from the current supply means (5);
    calculating at least one estimated value of the instantaneous measured value or values, from the stored measured data;
    comparing the instantaneous measured value (s) with the estimated value (s);
    activate an alarm, based on the comparison of the instantaneous value (s) with the estimated value (s) and / or send a control signal to
    13 the electrical supply substation (7), as a function of the comparison of the instantaneous value (s) with the estimated value (s).
    [7" id="c-fr-0007]
    7. - System according to claim 6, characterized in that the alarm indicates a maintenance operation to be carried out.
    [8" id="c-fr-0008]
    8. - System according to claim 6 or 7, characterized in that the electrical supply substation (7) comprises one or more electrical equipment, the electrical supply substation (7) being clean, upon reception of the signal control, to control at least one of the electrical equipment according to the control signal.
    [9" id="c-fr-0009]
    9. - System according to one of claims 6 to 8, characterized in that the measured data include one or more temperature values associated with at least one electrical equipment and / or one or more rooms of the substation. electrical supply (7) and / or the operating counters of an electrical connection switch associated with at least one electrical item of equipment of the electrical supply sub-station.
    [10" id="c-fr-0010]
    10. - System according to one of claims 6 to 9, characterized in that the electrical supply substation (7), is suitable for measuring measured data, and / or one or more temperature values associated with at least one electrical equipment or to a room in the electrical supply substation (7).
    [11" id="c-fr-0011]
    11. - System according to one of claims 6 to 10, characterized in that the system comprises a computer network for the connection between the substations and the central unit and for communication between the substations.
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    FR3106679B1|2020-01-27|2022-02-11|Alstom Transp Tech|Method, and system, for measuring the energy behavior of a transport network, associated computer program|
    法律状态:
    2018-01-19| PLFP| Fee payment|Year of fee payment: 2 |
    2018-07-27| PLSC| Publication of the preliminary search report|Effective date: 20180727 |
    2020-01-21| PLFP| Fee payment|Year of fee payment: 4 |
    2021-01-21| PLFP| Fee payment|Year of fee payment: 5 |
    2022-01-19| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1750570|2017-01-24|
    FR1750570A|FR3062227B1|2017-01-24|2017-01-24|METHOD AND SYSTEM FOR MANAGING AN ELECTRICAL NETWORK OF A RAIL NETWORK|FR1750570A| FR3062227B1|2017-01-24|2017-01-24|METHOD AND SYSTEM FOR MANAGING AN ELECTRICAL NETWORK OF A RAIL NETWORK|
    SG10201800456VA| SG10201800456VA|2017-01-24|2018-01-17|Method and system for managing the electric network of a railway network|
    SG10202107872XA| SG10202107872XA|2017-01-24|2018-01-17|Method and system for managing the electric network of a railway network|
    AU2018200370A| AU2018200370A1|2017-01-24|2018-01-17|Method and system for managing the electric network of a railway network|
    MX2018000922A| MX2018000922A|2017-01-24|2018-01-22|Method and system for managing the electric network of a railway network.|
    EP18152892.8A| EP3352327A1|2017-01-24|2018-01-23|Method and system for managing the electric network of a railway network|
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