WO2007145628A1 - Système de stockage d'énergie électrique pour ENTRAÎNer une charge - Google Patents

Système de stockage d'énergie électrique pour ENTRAÎNer une charge Download PDF

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Publication number
WO2007145628A1
WO2007145628A1 PCT/US2006/023357 US2006023357W WO2007145628A1 WO 2007145628 A1 WO2007145628 A1 WO 2007145628A1 US 2006023357 W US2006023357 W US 2006023357W WO 2007145628 A1 WO2007145628 A1 WO 2007145628A1
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WO
WIPO (PCT)
Prior art keywords
ees
power
module
modules
hoist motor
Prior art date
Application number
PCT/US2006/023357
Other languages
English (en)
Inventor
Jean Yamanis
Stella M. Oggianu
Mauro J. Atalla
Robert K. Thornton
Pengju Kang
Original Assignee
Otis Elevator Company
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 Otis Elevator Company filed Critical Otis Elevator Company
Priority to PCT/US2006/023357 priority Critical patent/WO2007145628A1/fr
Publication of WO2007145628A1 publication Critical patent/WO2007145628A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B66B1/302—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor for energy saving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Definitions

  • the present invention relates to the field of power systems.
  • the present invention relates to an electrical energy storage system for driving a load, such as an elevator hoist motor.
  • An elevator drive system is typically designed to operate over a specific input voltage range from a power source.
  • the components of the drive have voltage and current ratings that allow the drive to continuously operate while the power supply remains within the designed input voltage range.
  • the utility network is less reliable, where persistent utility voltage sags or brownout conditions (i.e., voltage conditions below the tolerance band of the drive) are prevalent.
  • brownout conditions i.e., voltage conditions below the tolerance band of the drive
  • the subject invention is directed to driving an elevator hoist motor with electrical energy storage (EES) modules that are controlled such that at least one EES module drives the hoist motor and at least one EES module charges. Subsequently, the controller changes the at least one
  • EES module that is driving the hoist motor and the at least one EES module that is charging.
  • FIG. 1 is a schematic view of a power system for driving an elevator hoist motor including an electrical energy storage (EES) storage module array.
  • EES electrical energy storage
  • FIGS. 2A-2C are schematic views of an EES module array including two EES modules in various operational states.
  • FIGS. 3A-3D are schematic views of an EES module array including n EES modules in various operational states.
  • FIG. 1 is a schematic view of power system 10 for driving hoist motor 12 of elevator 14 including electrical energy storage (EES) storage module array 16.
  • Power system 10 also includes power supply 20, back- up power supply 21, power converter 22, power bus 24, smoothing capacitor 26, power inverter 28, and control block 32.
  • Power supply 20 may be electricity supplied from an electrical utility, such as a commercial power source.
  • Back-up power supply 21 may be a building back-up power source, such as a generator or a renewable power source, that is initiated in the event of failure of power supply 20.
  • Elevator 14 includes elevator car 34 and counterweight 36 that are connected through roping 38 to hoist motor 12.
  • power system 10 is configured to drive hoist motor 12 when power from power supply 20 is insufficient to drive hoist motor 12.
  • the utility network is less reliable, where persistent utility voltage sags or brownout conditions (i.e., voltage conditions below the tolerance band of the drive) are prevalent.
  • Power system 10 according to the present invention allows for continuous operation of hoist motor 12 during these periods of irregularity.
  • power system 10 may be configured to supplement power provided by power supply 20 to hoist motor 12 during normal operating conditions, such as to augment the power provided to power system 10 during periods of high power demand or to reduce the amount of power drawn from the electrical utility. While the following description is directed to driving an elevator hoist motor, it will be appreciated that EES module array 16 (and the control algorithm associated therewith) may be employed to drive any type of load.
  • Power converter 22 and power inverter 28 are connected by power bus 24. Smoothing capacitor 26 is connected across power bus 24.
  • Power supply 20 provides electrical power to power converter 22.
  • Power converter 22 is a three-phase power inverter that is operable to convert three-phase AC power from power supply 20 to DC power.
  • power converter 22 comprises a plurality of power transistor circuits including parallel-connected transistors 40 and diodes 42. Each transistor 40 may be, for example, an insulated gate bipolar transistor (IGBT).
  • the controlled electrode (i.e., gate or base) of each transistor 40 is connected to control block 32. Control block 32 controls the power transistor circuits to convert the three-phase AC power from power supply
  • the DC output power is provided by power converter 22 on power bus 24.
  • Smoothing capacitor 26 smoothes the rectified power provided by power converter 22 on DC power bus 24. It is important to note that while power supply 20 and back-up power supply
  • power system 10 may be adapted to receive power from any type of power source, including (but not limited to) a single phase AC power source and a DC power source.
  • the power transistor circuits of power converter 22 also allow power on power bus 24 to be inverted and provided to power supply 20.
  • control block 32 employs pulse width modulation (PWM) to produce gating pulses so as to periodically switch transistors 46 of power converter 22 to provide a three-phase AC power signal to power supply 20. This regenerative configuration reduces the demand on power supply 20.
  • PWM pulse width modulation
  • power converter 22 comprises a three-phase diode bridge rectifier.
  • Power inverter 28 is a three-phase power inverter that is operable to invert DC power from power bus 24 to three-phase AC power.
  • Power inverter 28 comprises a plurality of power transistor circuits including parallel-connected transistors 44 and diodes 46.
  • Each transistor 44 may be, for example, an insulated gate bipolar transistor (IGBT).
  • the controlled electrode (i.e., gate or base) of each transistor 44 is connected to control block 32.
  • Control block 32 controls the power transistor circuits to invert the DC power on power bus 24 to three-phase AC output power.
  • the three-phase AC power at the outputs of power inverter 28 is provided to hoist motor 12.
  • control block 32 employs PWM to produce gating pulses to periodically switch transistors 44 of power inverter 28 to provide a three-phase AC power signal to hoist motor 12.
  • Inverter control 28 may vary the speed and direction of movement of elevator 14 by adjusting the frequency and magnitude of the gating pulses to transistors 44.
  • control block 32 controls transistors 44 in power inverter 28 to allow the generated power to be converted and provided to DC power bus 24.
  • Smoothing capacitor 26 smoothes the converted power provided by power inverter 28 on power bus 24.
  • Hoist motor 12 controls the speed and direction of movement between elevator car 34 and counterweight 36.
  • the power required to drive hoist motor 12 varies with the acceleration and direction of elevator
  • elevator car 34 As well as the load in elevator car 34. For example, if elevator car 34 is being accelerated, run up with a load greater than the weight of counterweight 36 (i.e., heavy load), or run down with a load less than the weight of counterweight 36 (i.e., light load), a maximal amount of power is required to drive hoist motor 12. If elevator 14 is leveling or running at a fixed speed with a balanced load, it may be using a lesser amount of power. If elevator car 34 is being decelerated, running down with a heavy load, or running up with a light load, elevator car 34 drives hoist motor 12. In this case, hoist motor 12 generates three-phase AC power that is converted to DC power by power inverter 28 under the control of control block 32. The converted DC power may be returned to power supply 20, returned to EES module array 16, and/or dissipated in a dynamic brake resistor connected across power bus 24.
  • the converted DC power may be returned to power supply 20, returned to EES module array 16, and/or dissip
  • power system 10 can be modified to power multiple hoist motors 12.
  • a plurality of power inverters 28 may be connected in parallel across power bus 24 to provide power to a plurality of hoist motors 12.
  • EES module array 16 may be connected to power bus 24 of each of a plurality of power systems 10 that drive a hoist motor 12.
  • a dedicated EES module array 16 may be provided for each of a plurality of power systems 10.
  • EES module array 16 When power supply 20 is incapable of supplying sufficient power to drive hoist motor 12, such as due to a power failure or a scheduled or unscheduled brownout, or when supplemental power to power supply 20 during normal operation is desired (e.g., for power savings or for additional power during times of high power demand), electrical energy storage (EES) module array 16 provides power to power bus 24 to drive hoist motor 12.
  • EES module array 16 includes a plurality of EES modules that each includes at least one electrical energy storage device, such as a supercapacitor or a secondary battery.
  • the EES modules in EES module array 16 are controlled by control block 32 such that at least one of the EES modules operates to drive hoist motor 12 while at least one of the EES modules charges from a power source (e.g., power supplied by power supply 20 during a brownout condition, regenerated power from hoist motor 12, power from another of the EES modules in EES module array 16, power from back-up power source 21 ).
  • a power source e.g., power supplied by power supply 20 during a brownout condition, regenerated power from hoist motor 12, power from another of the EES modules in EES module array 16, power from back-up power source 21 .
  • the control block 32 changes the at least one EES module that is driving hoist motor 12 and at least one EES module that is recharging.
  • power is supplied to hoist motor 12 to provide supplemental power to power system 10 during normal operation, and to provide substantially uninterrupted service in the event that power from power supply 20 is insufficient to drive hoist motor 12.
  • EES module array 16 may also be controlled by control block 32 based on sensed voltage and current from EES module array 16 or the state of charge of the EES devices in EES module array 16.
  • FIG. 2A is a schematic view of EES module array 16 including two
  • EES modules 50a and 50b EES modules 50a and 50b.
  • EES module 50a is connected to switch 52a that is controlled by a control signal from control block 32, and is operable to connect EES module 50a to power bus 24 in a first state and to a power source for charging in a second state.
  • Switch 52a also has a third state that disconnects EES module 50b from both power bus 24 and the charging power source.
  • EES module 50b is similarly connected to switch 52b such that EES module 50a may also be connected to either power bus 24 or the charging power source, or disconnected from both.
  • switches 52 are merely for purposes of concisely illustrating the connectivity and interaction between EES modules 50, control block 32, power bus 24, and the charging power source, and in actual implementation switches 52 may be any devices that facilitate controllable connection of EES modules 50 to power bus 24 and the charging power source, including appropriately sized DC/DC converters.
  • EES modules 50a and 50b may include one or more devices capable of storing electrical energy that are connected in series or parallel.
  • EES modules 50a and 50b include at least one supercapacitor, which may include symmetric or asymmetric supercapacitors.
  • EES modules 50a and 50b include at least one secondary or rechargeable battery, which may include any of nickel-cadmium (NiCd), lead acid, nickel-metal hydride (NiMH), lithium ion (Li-ion), lithium ion polymer (Li-PoIy), iron electrode, nickel-zinc, zinc/alkaline/manganese dioxide, zinc-bromine flow, vanadium flow, and sodium-sulfur batteries.
  • EES modules 50a and 50b may include one type of EES devices or may include combinations of EES devices. Arrangements of supercapacitors, secondary batteries, other EES devices, and combinations thereof are provided in each EES module 50 to provide the requisite power and energy to drive hoist motor 12.
  • control block 32 When power from power supply 20 is insufficient to drive hoist motor 12 (for example, as determined by a voltage sensor or other device connected to power bus 24 or power supply 20), or when power to supplement power supply 20 during normal operation is necessary or desired, control block 32 initiates operation of EES module array 16 to drive hoist motor 12.
  • FIG. 2A shows an embodiment of EES module array 16 in a first operational state, in which the control signal from control block 32 actuates switch 52a to connect EES module 50a to power bus
  • EES module 50a In the first operational state, EES module 50b is idle (i.e., not electrically connected to either power bus 24 or the charging power source). EES module array 16 maintains this operational state for a period of time as controlled by control block 32.
  • control block 32 may be programmed to drive hoist motor 12 from EES module 50a for a time interval. This time interval may be related to the time required for the energy stored in EES module 50a to be insufficient to drive hoist motor 12.
  • control block 32 may sense the energy level in EES module 50a (such as via a voltage or current sensor) to drive hoist motor 12 until the energy stored in EES module 50a is insufficient to drive hoist motor 12.
  • control block 32 provides a signal to switches 52a and 52b, which changes EES module array 16 to a second operational state.
  • the second operational state shown in FIG.
  • switch 52a is actuated to connect EES module 50a to the charging power source via charging power source connection 56 and switch 52b is actuated to connect EES module 50b to power bus 24 via shared power bus connection 54.
  • EES module 50b provides stored power to power bus 24 to drive hoist motor 12, EES module 50a is recharging from a charging power source.
  • the charging power source may be any device or system capable of providing power to charge the EES devices of EES module 50a.
  • power from power supply 20 may be insufficient to drive hoist motor 12, it may be sufficient to charge the EES devices in EES module 50a (e.g., during a brownout).
  • EES module array 16 may be configured to receive charging power from power supply 20 on the charging power source connection 56, such as via a direct connection to power supply 20 or from a dedicated power converter connected between power supply 20 and charging power source connection 56.
  • the regenerated power from hoist motor 12 may be provided to EES module 50a through charging power source connection 56 (e.g., directly from hoist motor 12 or via a dedicated power inverter connected between hoist motor 12 and charging power source connection 56).
  • EES module array 16 may be configured to drive at least one hoist motor 12 while charging from regenerated power from other hoist motors 12.
  • the charging power may be supplied from backup power supply 21 or from a source external to power system 10.
  • the transition from driving hoist motor 12 to charging may also require reversing the polarity of the voltage connected to EES module 50a, which results in a reversal of the chemical reactions in the EES devices.
  • control block 32 After another time interval, control block 32 provides a signal to actuate switches 52a and 52b, which changes EES module array 16 to a third operational state.
  • switch 52a In the third operational state, shown in FIG. 2C, switch 52a is actuated to again connect EES module 50a to power bus 24, and switch 52b is actuated to connect EES module 50b to the charging power source. Consequently, EES module 50a, which was recharged in the second operational state, drives hoist motor 12, and EES module 50b, which powered hoist motor 12 in the second operational state, recharges.
  • Control block 32 subsequently switches EES module array 16 between the second operational state shown in FIG. 2B and third operational state shown in FIG. 2C at programmed time intervals. This process may continue until completion of all elevator dispatch requests existing when operation of EES module array 16 was initiated. Control block 32 may also continue the process of switching between the second operational state and the third operational state for a less definite period of time, such as until power supply 20 returns to normal operation, or until power from all sources has been dissipated. In the latter case, the available energy may be monitored by control block 32 to assure that energy does not run out while dispatch requests are still being processed by the elevator system.
  • control block 32 may control switches 52 to charge both EES modules 50 to full capacity for future availability in the event of another failure or sag in power supply 20.
  • control block 32 may connect both EES modules 50 to the charging power source at the same time, or may stagger the connection to the charging power source to limit the burden on the charging power source.
  • control block 32 may put both EES modules 50 in an idle state (i.e., disconnect EES modules 50 from both power bus 24 and the charging power source) until power from EES module array 16 is again employed to drive hoist motor 12.
  • EES module array 16 may include any number of EES modules that are controlled by control block 32. To illustrate, FIG. 3A shows EES module array 16 including n EES modules 6Oa 1 60b, 60c, .... 60m, and
  • EES modules 60 have properties substantially similar to the EES modules 50 shown in FIGS. 2A-2C, and may include at least one EES device such as supercapacitors, secondary batteries, and combinations thereof.
  • EES module 60a is connected to switch 62a that is controlled by a control signal from control block 32, and is operable to connect EES module 60a to power bus 24 in a first state and to a power source for charging in a second state.
  • the charging power source may be provided from a source similar to the charging power source described with regard to FIGS. 2A-2C, or the charging power source may be one of the other EES modules 60 in EES module array 16.
  • Switch 62a also has a third state that disconnects EES module 60a from both power bus 24 and the charging power source.
  • EES modules 60b-60n are similarly connected to switches 62b-62n, respectively, such that any of EES modules 60b-60n may also be connected to either power bus 24 or the charging power source, or disconnected from both. It should be noted that, similar to the embodiment shown in FIGS.
  • switches 62 are merely for purposes of concisely illustrating the connectivity and interaction between EES modules 60, control block 32, power bus 24, and the charging power source, and in actual implementation switches 62 may be any devices that facilitate controllable connection of EES modules 60 to power bus 24 and the charging power source.
  • FIG. 3A shows another embodiment of EES module array 16 in a first operational state, in which the control signal from control block 32 actuates switch 62a to connect EES module 60a to power bus 24 via power bus connection 64. This causes the energy stored in EES module 60a to be provided on power bus 24, which drives hoist motor 12.
  • EES module 6On is connected to the charging power source and EES modules 60b-60m are idle (i.e., not connected to either power bus 24 or the charging power source).
  • all EES modules except for EES module 60a may be idle in the first operational state.
  • EES module array 16 maintains the first operational state for a period of time as controlled by control block 32.
  • control block 32 may be programmed to drive hoist motor 12 from EES module 60a for a time interval. This time interval may be related to the time required for the energy stored in EES module 60a to be insufficient to drive hoist motor 12.
  • control block 32 may sense the energy level in EES module 60a to drive hoist motor 12 until the energy stored in EES module 60a is insufficient to drive hoist motor 12.
  • control block 32 After a programmed time interval, control block 32 provides a signal to actuate switches 62, which changes EES module array 16 to a second operational state. In the second operational state, shown in FIG.
  • switch 62a is actuated to connect EES module 60a to the charging power source via charging power source connection 66 and switch 52b is actuated to connect EES module 60b to power bus 24 via shared power bus connection 64.
  • EES module 60b provides stored power to power bus 24 to drive hoist motor 12
  • EES module 60a is recharging from a charging power source.
  • control block 32 After another time interval, control block 32 provides a signal to actuate switches 62, which changes EES module array 16 to a third operational state.
  • switch 62c In the third operational state, shown in FIG. 3C, switch 62c is actuated to connect EES module 60c to power bus 24, switch 62b is actuated to connect EES module 60b to the charging power source, and switch 62a is actuated to place EES module 60a in an idle state (i.e., disconnected and not charging or discharging). Consequently, EES module 50b, which powered hoist motor 12 in the second operational state, recharges, while EES module 50c drives hoist motor 12.
  • control block 32 cycles through EES modules 60 in a similar fashion such that an EES module 60 is driving hoist motor 12 while an EES module 60 is charging.
  • control block 32 provides a signal to actuate switches 62, which changes EES module array 16 to an nth operational state.
  • switch 62m is actuated to connect EES module 60m to the charging power source
  • switch 62n is actuated to connect EES module 6On to the power bus 24, and all other switches 62 are positioned to place the remaining EES modules 60 in an idle state.
  • Control block 32 subsequently returns back to the first operational state and cycles through the n operational states shown in FIGS. 3A-3D.
  • control block 32 cycles through the n operational states until supplemental power from EES module array 16 is no longer necessary or desired.
  • control block may cycle through the n operational states until completion of all elevator dispatch requests existing when operation of EES module array 16 was initiated.
  • Control block 32 may also continue this process for a less definite period of time, such as until power supply 20 returns to normal operation, or until power from all sources has been dissipated. In the latter case, the available power may be monitored by control block 32 to assure that power does not run out while dispatch requests are still being processed by the elevator system.
  • Control block 32 may be programmed to control current flows so as to maximize the duration of the extended service.
  • a single EES module 60 is shown connected to power bus 24 and a single EES module 60 is shown connected to the charging power source during the various operational states.
  • any number of EES modules 60 may drive hoist motor 12, any number of EES modules 60 may recharge during each of the operational states, and any number of EES module 60 may remain idle.
  • control block 32 may be programmed to connect two EES modules 60 to power bus 24 during each operational state, while two EES modules 60 recharge during each operational state, with the remaining EES modules 60 remaining idle. The number of EES modules
  • each EES module 60 connected to power bus 24 and the charging power source during each operational state may be based on the capacity of the devices in each EES module 60.
  • control block 32 may switch the EES modules that are charging at a first time and the switch the EES modules that are discharging at a second time different from the first time.
  • the timing of switching EES modules 60 among the charge and discharge processes can cover any range of time periods, from seconds to days.
  • control block 62 may be optimized based on the duty cycle of the elevator 14 (or a group of elevators), the physical properties of EES modules 60, the number of EES modules 60 in EES module array 16, and recommended protocols for charging and discharging EES modules 60 so as to extend their lifetimes and cycle lives.
  • control block 32 may control switches 62 to charge EES modules 60 to full capacity for future availability in the event of another failure or sag in power supply 20.
  • control block 32 may connect all EES modules 60 to the charging power source at the same time, or may stagger the connection to the charging power source to limit the burden on the charging power source.
  • control block 32 may put all EES modules 60 in an idle state (i.e., disconnect
  • EES modules 60 from both power bus 24 and the charging power source) until power from EES module array 16 is again required to drive hoist motor 12.
  • EES module array 16 provides energy savings by supplementing existing power in power system 10 to account for sudden increases in power requirements (e.g., when hoist motor 12 initially starts up) and to reduce the power drawn from the commercial power utility.
  • EES module array 16 provides extended and uninterrupted operation for power system 10 when power from other power sources is insufficient to drive the load, such as during brownout or blackout conditions.
  • the incorporation of a plurality of EES modules in EES module array 16 provides inherent redundancy, fault tolerance, and reliability to power system 10, since failure of one EES module can be compensated for by the remaining n-1 functioning EES modules.
  • the subject invention is directed to driving an elevator hoist motor when power from a power supply is insufficient to drive the hoist motor or when supplemental power is necessary or desired during normal operation.
  • Electrical energy storage (EES) modules are controlled such that at least one EES module drives the hoist motor and at least one EES module charges.
  • the controller changes the at least one EES module that is driving the hoist motor and the at least one EES module that is charging.
  • power is supplied to the hoist motor to provide uninterrupted service in the event that power from the power supply is insufficient to drive the hoist motor.
  • the EES modules may be designed to provide sufficient power to drive the elevator hoist motor for an extended period of time, allowing elevator service to continue until the power from the power supply is again sufficient to drive the hoist motor. Furthermore, when the EES modules are employed during normal operation, periods of high power demand are more easily managed, and power drawn from other power sources is reduced.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Un moteur (12) de levage d'ascenseur est entraîné par des modules (16) de stockage d'énergie électrique (EES) qui sont commandés de façon à ce qu'au moins un module EES entraîne le moteur (12) de levage et au moins un module EES soit en charge. Par la suite, un dispositif de commande (32) échange ledit ou lesdits modules EES qui entraînent le moteur de hissage (12) et ledit ou lesdits modules EES qui sont en charge.
PCT/US2006/023357 2006-06-15 2006-06-15 Système de stockage d'énergie électrique pour ENTRAÎNer une charge WO2007145628A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/US2006/023357 WO2007145628A1 (fr) 2006-06-15 2006-06-15 Système de stockage d'énergie électrique pour ENTRAÎNer une charge

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PCT/US2006/023357 WO2007145628A1 (fr) 2006-06-15 2006-06-15 Système de stockage d'énergie électrique pour ENTRAÎNer une charge

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WO2007145628A1 true WO2007145628A1 (fr) 2007-12-21

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Cited By (14)

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ITBO20080427A1 (it) * 2008-07-07 2010-01-08 Sele S R L Gruppo di alimentazione per ascensori, elevatori, montacarichi e simili.
CN102372197A (zh) * 2010-08-12 2012-03-14 上海三菱电梯有限公司 电梯控制装置
CN102372198A (zh) * 2010-08-12 2012-03-14 上海三菱电梯有限公司 用于电梯的控制装置
CN102381594A (zh) * 2010-08-31 2012-03-21 上海三菱电梯有限公司 电梯节能装置
CN102723763A (zh) * 2012-06-04 2012-10-10 天津大学 超级电容储能式电梯快速充电保护控制器
CN103001238A (zh) * 2011-09-19 2013-03-27 上海三菱电梯有限公司 电梯节能系统
WO2014198371A1 (fr) * 2013-06-11 2014-12-18 Liebherr-Components Biberach Gmbh Système d'entraînement électrique ainsi que dispositif accumulateur d'énergie associé
EP2944013A4 (fr) * 2013-01-09 2016-11-02 Kone Corp Système d'énergie électrique
EP3153442A1 (fr) * 2015-10-09 2017-04-12 Otis Elevator Company Régulation de puissance de batterie de système d'ascenseur
CN108455419A (zh) * 2017-02-22 2018-08-28 奥的斯电梯公司 电池驱动电梯的功率控制系统
CN108861910A (zh) * 2018-06-29 2018-11-23 南宁学院 一种基于超级电容的工业电梯节能控制调节方法
CN111483899A (zh) * 2019-01-29 2020-08-04 上海三菱电梯有限公司 电梯系统
CN107645171B (zh) * 2017-07-25 2020-11-20 西北工业大学 超级电容和蓄电池组混合储能电梯的能量控制方法及装置
EP4414304A1 (fr) * 2023-02-09 2024-08-14 Otis Elevator Company Freinage de machine d'ascenseur

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ITBO20080427A1 (it) * 2008-07-07 2010-01-08 Sele S R L Gruppo di alimentazione per ascensori, elevatori, montacarichi e simili.
CN102372197A (zh) * 2010-08-12 2012-03-14 上海三菱电梯有限公司 电梯控制装置
CN102372198A (zh) * 2010-08-12 2012-03-14 上海三菱电梯有限公司 用于电梯的控制装置
CN102372198B (zh) * 2010-08-12 2013-10-23 上海三菱电梯有限公司 用于电梯的控制装置
CN102381594A (zh) * 2010-08-31 2012-03-21 上海三菱电梯有限公司 电梯节能装置
CN103001238A (zh) * 2011-09-19 2013-03-27 上海三菱电梯有限公司 电梯节能系统
CN102723763A (zh) * 2012-06-04 2012-10-10 天津大学 超级电容储能式电梯快速充电保护控制器
EP2944013A4 (fr) * 2013-01-09 2016-11-02 Kone Corp Système d'énergie électrique
US9735724B2 (en) 2013-06-11 2017-08-15 Liebherr-Components Biberach Gmbh Electrical drive system and energy storage apparatus therefor
WO2014198371A1 (fr) * 2013-06-11 2014-12-18 Liebherr-Components Biberach Gmbh Système d'entraînement électrique ainsi que dispositif accumulateur d'énergie associé
US10224856B2 (en) 2013-06-11 2019-03-05 Liebherr-Components Biberch GmbH Electrical drive system and energy storage apparatus therefor
EP3153442A1 (fr) * 2015-10-09 2017-04-12 Otis Elevator Company Régulation de puissance de batterie de système d'ascenseur
CN108455419A (zh) * 2017-02-22 2018-08-28 奥的斯电梯公司 电池驱动电梯的功率控制系统
EP3366625A1 (fr) * 2017-02-22 2018-08-29 Otis Elevator Company Système de commande de puissance pour un ascenseur alimenté par batterie
US11014786B2 (en) 2017-02-22 2021-05-25 Otis Elevator Company Power control system for a battery driven elevator
CN108455419B (zh) * 2017-02-22 2021-11-30 奥的斯电梯公司 电池驱动电梯的功率控制系统
CN107645171B (zh) * 2017-07-25 2020-11-20 西北工业大学 超级电容和蓄电池组混合储能电梯的能量控制方法及装置
CN108861910A (zh) * 2018-06-29 2018-11-23 南宁学院 一种基于超级电容的工业电梯节能控制调节方法
CN111483899A (zh) * 2019-01-29 2020-08-04 上海三菱电梯有限公司 电梯系统
CN111483899B (zh) * 2019-01-29 2021-10-01 上海三菱电梯有限公司 电梯系统
EP4414304A1 (fr) * 2023-02-09 2024-08-14 Otis Elevator Company Freinage de machine d'ascenseur

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