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WO2011051764A1 - Système de distribution de puissance - Google Patents

Système de distribution de puissance Download PDF

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Publication number
WO2011051764A1
WO2011051764A1 PCT/IB2010/002328 IB2010002328W WO2011051764A1 WO 2011051764 A1 WO2011051764 A1 WO 2011051764A1 IB 2010002328 W IB2010002328 W IB 2010002328W WO 2011051764 A1 WO2011051764 A1 WO 2011051764A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
output
unit
power supply
control unit
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/IB2010/002328
Other languages
English (en)
Japanese (ja)
Inventor
康弘 松田
秀樹 田村
之広 村田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Panasonic Electric Works Co Ltd
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 Panasonic Electric Works Co Ltd filed Critical Panasonic Electric Works Co Ltd
Publication of WO2011051764A1 publication Critical patent/WO2011051764A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters

Definitions

  • the present invention relates to a power distribution system that distributes DC power to load equipment.
  • Patent Document 1 discloses a power distribution system that distributes AC power and DC power in a building such as a house, a store, or an office building.
  • This power distribution system installs a DC power generation facility such as a solar power generator in a building for in-house power generation, converts the DC power output of the DC power generation facility into AC power, and supplies it from a commercial power source (AC This is a grid-connected system that performs grid-connected operation with the power system.
  • AC commercial power source
  • AC power is converted by converting the DC power generated by the DC power generation equipment into AC power using a power converter that converts DC power to AC power. It adopts a configuration that works with commercial power. Here, when power exceeding the power consumed by the load in the building is supplied from the DC power generation facility, it is possible to reverse the surplus power to the commercial power supply (so-called power sale). .
  • a power supply system for supplying DC power to DC load equipment, for example, a power supply system described in Patent Document 2 has been proposed.
  • this power supply system communication is performed between the DC power supply unit and the terminal device of the DC load device, and the power supply control means holds the received power supply information and the operation information storage means notified from the terminal device. It compares the power supply information and controls the output voltage so that the DC load device can receive the voltage and current required for driving.
  • Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 3-2 8 4 2 4 5
  • Patent Document 2 Japanese Unexamined Patent Application Publication No. 2 0 0 9-1 5 9 6 9 0
  • a distribution system for distributing DC power when operating the microcomputer of the control unit that performs system control such as operation control of the converter for DC power output, the AC power supply is connected to a commercial power supply.
  • a configuration that supplies power is common. In such a configuration, in the event of a power failure when the power supply from the commercial power supply is stopped, there is a problem that power is not supplied to the microcomputer and the system operation stops.
  • a power supply device such as a solar power generation device is operating, DC power based on the power supplied from the power supply device is distributed to the DC load device, but the microcomputer is connected to a commercial power source.
  • the power efficiency is lowered because it is operated by power supply from an AC-DC converter and always uses commercial power.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a power distribution system that can efficiently supply power to a microcomputer of a control unit that performs system control and can always operate. It is in.
  • the present invention includes an AC input unit that inputs AC power supplied from an AC power source, a DC output unit that is connected to the AC input unit, converts AC power input to the AC input unit into DC power, and A first AC-DC converter that outputs to the first AC-DC converter, an output controller that controls the first AC-DC converter, and an output unit of the first AC-DC converter, connected in parallel to the DC output unit.
  • a DC power supply device that outputs power; a control unit that controls the operation of the system including the output control unit and the DC power supply device; and AC power that is connected to the AC input unit and input to the AC input unit.
  • a power feeding path switching unit that feeds the output power of either the second AC-DC converting unit or the DC-DC converting unit to the control unit, and the power feeding path switching unit Supplies the output power of the second AC-DC conversion unit to the control unit at the time of start-up, and when the output of DC power from the DC power supply device exceeds a predetermined voltage, the DC-DC conversion unit A power distribution system that switches the power supply path to supply the output power to the control unit is provided.
  • control unit can function properly from the start of the power distribution system, and system control of the DC power feeder and the first AC-DC conversion unit can be performed.
  • control unit when power can be supplied from the DC power supply device, the control unit is operated using the power of the DC power supply device, and the output power from the second AC-DC conversion unit is not used.
  • the power loss in the converter can be reduced, and the microcomputer in the controller can be efficiently operated and always operated.
  • the present invention provides an AC input unit that inputs AC power supplied from an AC power source, and is connected to the AC input unit, converts the AC power input to the AC input unit into DC power, and outputs DC power.
  • a first AC-DC converter that outputs to the output unit; an output control unit that controls the first AC-DC converter; and an output unit of the first AC-DC converter that is connected in parallel, and the DC output unit Connected to the AC input unit and input to the AC input unit, a DC power supply device that outputs DC power to the power supply, a control unit that controls the operation of the system including the output control unit and the DC power supply device Connected to a system in which a second AC-DC converter that converts AC power into DC power of a predetermined voltage level, an output of the DC power feeder, and an output of the first AC-DC converter are connected.
  • the DC power output from the system is a predetermined voltage level.
  • a DC-DC conversion unit for conversion and a power supply path to the control unit are switched, and the output power of either the second AC-DC conversion unit or the DC-DC conversion unit is supplied to the control unit.
  • a power supply path switching unit, and the power supply path switching unit supplies the output power of the second AC-DC conversion unit to the control unit at the time of startup, and the output unit of the DC power supply device and the first AC — From the system where the output part of the DC converter is connected 2010/002328
  • a power distribution system is provided that switches the power supply path so that the output power of the DC-DC converter is supplied to the controller.
  • the control unit can function properly from the start of the power distribution system, and system control of the DC power feeder and the first AC-DC conversion unit can be performed.
  • the control unit is operated using the output power from this system.
  • the power loss in the second AC-DC converter can be reduced, and the microcomputer in the control unit can be efficiently fed to constantly supply power. It can be operated.
  • the power supply path switching unit includes a positive power supply path of the output of the second AC-DC converter and a positive power supply path of the output of the DC-DC converter.
  • the diodes are connected in series, and the diodes of these diodes are connected in parallel and connected to the control unit. It is also possible to set each output voltage so that the output voltage of the DC-DC converter is higher than the output voltage of the second AC-DC converter and supply it to the power supply path switching unit.
  • the power feeding path switching unit can be realized with a simple configuration, and the power feeding path switching unit can switch the power feeding path and feed power from the DC power feeding device to the control unit.
  • the power distribution system may further include a power storage device connected in parallel with the output unit of the first AC-DC conversion unit and capable of outputting stored DC power to the DC output unit, and the control unit includes the power storage
  • the power supply path from the power storage device may be switched according to the storage battery capacity of the device.
  • the power supply path from the power storage device is switched according to the storage battery capacity of the power storage device, and the power storage device can be operated in the event of a power failure where power cannot be supplied from the DC power supply device and the first AC-DC converter. Electric power can be used efficiently.
  • the control unit stops output from the power storage device to the DC output unit when the storage battery capacity is equal to or less than a predetermined amount while outputting DC power from the power storage device to the DC output unit.
  • power can be supplied from the power storage device to the control unit.
  • FIG. 1 is a diagram showing a configuration of a power distribution system according to a first embodiment of the present invention T / IB2010 / 002328
  • FIG. 2 is a diagram showing a configuration of a power distribution system according to a second embodiment of the present invention.
  • FIG. 3 is a diagram showing a configuration of a power distribution system according to a third embodiment of the present invention.
  • FIG. 4 is a diagram for explaining a power feeding switching operation according to the third embodiment.
  • FIG. 5 is a diagram showing a configuration of a power distribution system according to a fourth embodiment of the present invention.
  • FIG. 6 is a diagram showing an application example of the power distribution system of the present embodiment.
  • the building to which the power distribution system according to the present invention can be applied is not limited to a detached house, but can also be applied to each dwelling unit or office of an apartment house.
  • FIG. 1 is a diagram showing a configuration of a power distribution system according to the first embodiment of the present invention.
  • the power distribution system of this embodiment is capable of distributing DC power to load equipment.
  • the AC input unit 21 has an input terminal and the like, and is connected to an AC power distribution board or the like of the AC power system and inputs AC power supplied from a commercial power source.
  • the first AC-DC conversion unit 11 converts the AC power input from the AC input unit 21 into DC power having a desired voltage level and outputs the DC power to the DC output unit 22.
  • the second AC-DC converter 1 2 has an input connected in parallel with the input of the first AC-DC converter 1 1, and converts the AC power input from the AC input 2 1 to a direct current of a desired voltage level. This is converted into electric power and output to the control unit 31 via the power supply path switching unit 15.
  • the second AC-DC conversion unit 12 functions as an AC-DC conversion unit that constitutes a power supply unit for supplying power to the control unit.
  • the first AC-DC conversion unit 1 1 and the second AC-DC conversion unit 1 2 are composed of, for example, a switching regulator, a converter, and the like.
  • the AC voltage is rectified into a DC voltage, and the output voltage is constant. By performing control, DC power of a desired voltage level is generated from the input AC power.
  • the DC power supply device 13 is composed of a solar power generation device including a solar cell, a fuel cell power generation device including a fuel cell, and the like, and outputs generated DC power.
  • the output part of the DC power feeding device 13 and the output part of the first AC-DC converter 11 are connected in parallel and connected to the DC output part 2 2.
  • the DC output unit 22 has an output terminal and the like, and is connected to a DC distribution path to output DC power to be distributed to a DC load device.
  • the DC power output from the DC output unit 22 is the DC power supplied from the system to which the output unit of the DC power feeding device 13 and the first AC-DC converter 11 is connected.
  • the DC power feeding device 13 transmits its operation state to the control unit 31 and performs an output operation in accordance with an operation command from the control unit corresponding thereto. Specifically, when the DC power output from the DC power supply device 1 3 is within a predetermined output range, that is, the DC power supply device 13 can supply power to the DC load device. IB2010 / 002328
  • the DC power from the DC power feeding device 13 is output from the DC output unit 22.
  • DC power from the first AC—DC conversion unit 11 is output from the DC output unit 22.
  • the direct load device can be driven using the power generation energy from the solar cell during normal daytime.
  • DC load equipment can be driven at night using the power supplied from commercial power.
  • the DC output section 22 is connected in parallel with the input section of the DC-DC conversion section 14.
  • the DC-DC converter 14 converts the input DC power into a desired voltage level and outputs it to the controller 31 via the power supply path switching unit 15.
  • the DC-DC converter 14 is configured by, for example, a switching regulator, and performs control (feedback control) for detecting the output voltage and increasing / decreasing the output voltage so that the detected output voltage matches the target voltage.
  • the DC voltage is converted to the desired voltage level by the constant voltage control method.
  • the power feeding path switching unit 15 is configured by a switch element, a diode, and the like, and switches the power feeding path to the control unit 31 from either the second AC—DC converting unit 12 or the DC—DC converting unit 14. The output power is supplied to the control unit 31.
  • the control unit 31 is configured by an information processing apparatus having a microcomputer or the like, and controls operation of each unit of the power distribution system.
  • the control unit 31 issues an operation command to the DC power supply device 13 and the output control unit 32 to control the output of DC power from the DC power supply device 13 and the first AC-DC conversion unit 11.
  • the output control unit 32 includes an output voltage control unit using a feedback control system, and controls the operation of the first AC—DC conversion unit 11 based on an operation command from the control unit 31. That is, the DC power supply device 13 and the first AC-DC conversion unit 11 start operating in accordance with an operation command from the control unit 31 and output DC power.
  • the power supply path switching unit 1 5 makes the power supply path of the output of the second AC-DC converter 1 2 effective in the initial state at start-up, and the second AC-DC converter 1 2 based on the supply power of the commercial power supply. To supply power to the control unit 31. After that, when a voltage higher than a predetermined voltage is applied to the DC output unit 22 from at least one of the DC power supply device 13 and the first AC-DC conversion unit 11, that is, the DC power supply device 13 and the first AC-DC conversion unit. When the output of DC power from the system to which the output unit of unit 1 1 is connected exceeds the specified voltage and the specified output range is available for supplying power to the DC load device, the power supply path switching unit 15 Switch routes.
  • the power feeding path switching unit 15 enables the power feeding path of the output of the DC-DC conversion unit 14, and is connected to the output unit of the DC power feeding device 13 and the first AC-DC conversion unit 11. Power is supplied from the DC-DC converter 14 to the controller 31 based on the power supplied from the power source. It should be noted that when the output of DC power from the DC power supply device 13 exceeds a predetermined voltage, the output of the DC power supply device 13 is given priority.
  • the DC power supply device 1 3 When the power distribution system is started up, the DC power supply device 1 3 has not started to operate, and the DC power supply device 1 3 cannot output power without outputting DC power. It is necessary to supply power. Therefore, in this embodiment, as a power supply unit for power supply to the control unit TIB2010 / 002328
  • a second AC-DC conversion unit 12 is provided, and power is supplied from the second AC-DC conversion unit 12 to the control unit 31.
  • the control unit 31 it is possible to cause the control unit 31 to function properly from the time of startup and to perform system control of the DC power supply device 13 and the first AC-DC conversion unit 11.
  • the power supply route switching unit 15 switches the power supply route, Power is supplied to the control unit 31 from the system to which the output unit of the DC power feeding device 13 and the first AC-DC conversion unit 11 is connected.
  • FIG. 2 is a diagram showing a configuration of a power distribution system according to the second embodiment of the present invention.
  • the second embodiment shows a specific configuration example of the power supply path switching unit.
  • symbol is attached
  • the power supply path switching unit 25 of the second embodiment includes a power supply path on the positive side of the output of the second AC-DC conversion unit 12 and a power supply path on the positive side of the output of the DC-DC conversion unit 14 respectively.
  • the diodes are connected in series, and the cathodes of the diodes are connected in parallel. Then, the positive and negative power supply paths connected in parallel are connected to the power supply input section of the control section 31.
  • the output voltage of the DC-DC conversion unit 14 is always higher than the output voltage of the second AC-DC conversion unit 12 in a steady state in which power supply from the DC power supply device 13 is possible.
  • each output voltage is set and supplied to the power feeding path switching unit 25.
  • the output control voltage is set so that V 1> V2.
  • the power from the DC-DC conversion unit 14 is output from the power supply path switching unit 25 at normal times. Note that when the power distribution system is started up, the power from the second AC-DC conversion unit 12 is output from the power supply path switching unit 25 because it is not output from the DC-DC conversion unit 14.
  • the power supply path switching unit 25 can be realized with a simple configuration. Then, the power supply path can be switched by the power supply path switching unit 25 having this simple configuration, and power can be supplied from the DC power supply device 1 3 to the control unit 31.
  • FIG. 3 is a diagram showing a configuration of a power distribution system according to the third embodiment of the present invention.
  • the third embodiment shows a configuration example provided with a power storage device in addition to the configuration of the first embodiment. 2010/002328
  • the power distribution system of the third embodiment includes a power storage device 16 as well as a DC power supply device 13 as a DC power source.
  • the power storage device 16 includes a storage battery that stores the output power of the DC power supply device 13 and the output power of the first AC—DC converter 11, and the output unit of the DC power supply device 13 and the first AC— It is connected in parallel with the output section of the DC converter 1 1 and connected to the DC output section 2 2.
  • a power feeding path is connected from the power storage device 16 to the control unit 31.
  • the power storage device 16 switches between storage and discharge, turns on the power output to the DC output unit 22, and turns on / off the power supply to the control unit 31. Is possible.
  • the backup power supply when power cannot be supplied from the DC power supply device 1 3, and in the event of a power failure when the power supply from the commercial power supply is stopped, the backup power supply is used based on the operation command from the control unit 3 1. As a result, it is discharged from the power storage device 16 and the DC power is output to the DC output unit 22 and supplied to the DC load device. That is, although not shown in the drawing, the power storage device 16 transmits its own operation state to the control unit 31 and performs an output operation based on an operation command from the control unit corresponding thereto. Specifically, when the DC power from the power storage device 16 is being output to the DC output unit 22, as described below, the power storage device 16 according to the storage battery capacity of the power storage device 16 Switch the power supply path.
  • FIG. 4 is a diagram for explaining the power feeding switching operation according to the third embodiment, and shows the switching of the power feeding path with respect to the storage battery capacity.
  • the control unit 3 1 when the storage battery capacity is larger than the predetermined amount a [%], DC power is output from the power storage device 16 to the DC output unit 22.
  • the control unit 3 1 When the storage battery capacity falls below the predetermined amount a [%], the control unit 3 1 outputs an operation command, stops output from the power storage device 16 to the DC output unit 2 2, and the control unit 3 1
  • the power storage device 16 is switched to power feeding to the control unit 31 and switched to power feeding.
  • the control unit 31 can function by supplying power to the microcomputer of the control unit 31. Therefore, when another power supply device reaches a state where output is possible with the power failure continued, for example, when a solar power generation device is provided, the control unit 3 1 Because it is functioning, it can send an output command to the feeder.
  • the power supply path is switched according to the storage battery capacity, so that the power of the power storage device 16 can be used efficiently and a power failure can occur. Even when the operation continues, power can be supplied to the control unit 31 to make it function constantly.
  • FIG. 5 is a diagram showing a configuration of a power distribution system according to the fourth embodiment of the present invention.
  • the fourth embodiment is a configuration example combining the first to third embodiments described above. Here, only different parts from the configuration of the third embodiment shown in FIG. 3 will be described.
  • a solar battery power supply device 23 and a power storage device 26 are provided as DC power sources.
  • the power storage device 26 is configured by connecting a battery 27 and a DC—DC conversion unit 28, and the output unit of the DC—DC conversion unit 28 is connected to the output unit of the solar battery power supply device 23 and the first AC— DC converter 1 Connected in parallel with the output of 1 and connected to DC output 2 2.
  • the power supply path switching unit 25 of the second embodiment is provided as a power supply path switching unit, and the output voltage V 1 from the DC-DC conversion unit 14 and the output voltage from the second AC-DC conversion unit 12 are included. V 2 is entered.
  • a DC-DC conversion unit 35 is provided at the output unit of the power supply path switching unit 25, and the output unit of the DC-DC conversion unit 35 is connected to the power input unit of the control unit 31.
  • the output voltage V 1 from the DC—DC conversion section 14 or the output voltage V 2 from the second AC—DC conversion section 1 2 is set to a predetermined voltage V3 (eg, 3.3 V) by the DC—DC conversion section 35. Converted and supplied to the control unit 31.
  • a DC-DC conversion unit 36 is connected in parallel with the DC-DC conversion unit 28 to the battery 27, and an output unit of the DC-DC conversion unit 36 is connected to a power input unit of the control unit 31. Is done.
  • a switch 37 is provided in the input part of the DC-DC converter 36, and the switch 37 is switched based on the operation command of the controller 31, and the input to the DC-DC converter 36 is turned on and off.
  • the power supply from the power storage device 26 to the control unit 31 can be ONZO F F.
  • the switch 37 is turned on, the output voltage from the power storage device 26 is converted into a predetermined voltage V 3 (for example, 3.3 V) by the DC-DC converter 36 and is supplied to the controller 31.
  • the first AC-DC conversion unit 1 1, the output control unit 32 that controls the 1, the solar battery power supply device 23, and the power storage device 26 each transmit a status to the control unit 31, and the control unit 31 depends on the operating state. Determine the operating state of each device. Then, the control unit 31 outputs an operation command to each unit according to the state, and causes the DC output unit 22 to output power supplied from a desired power source in accordance with a preset system operation mode.
  • the power distribution system When the power distribution system is activated, power is supplied from the second AC-DC converter 12 to the control unit 31 so that the control unit 31 functions.
  • the power supply path switching unit 25 switches the power supply path, and power from the solar cell power supply device 23 is supplied to the control unit 31.
  • the solar battery power supply device 23 When the solar battery power supply device 23 is operating normally, the electric power from the solar cell power supply device 23 is output from the DC output unit 22 and also supplied from the solar cell power supply device 23 to the control unit 31.
  • the energy of the solar cell can be used effectively and power can be supplied to the control unit 31 efficiently.
  • the DC power of the output voltage V4 from the first AC-DC converter 1 1 is output from the DC output 2 2 and the 00-00 converter 1 Power is supplied from 4 to the control unit 31.
  • the power from the solar cell power supply device 23 is output from the DC output unit 22, and if power cannot be supplied from the solar battery power supply device 23, the power storage device The power from 26 is output from the DC output unit 22. If the power outage continues for a long time and the storage battery capacity of the power storage device 26 falls below the specified amount, the output from the power storage device 26 to the DC output unit 22 is stopped, and the switch 37 is turned on to control from the power storage device 26. Supply power to part 31.
  • Figure 6 shows an example of a distribution system.
  • the power distribution system of this application example consists of an AC distribution board 1 0 4 that distributes AC power to AC load equipment via an AC distribution path 1 0 6 and a DC power supply to DC load equipment via a DC distribution path 1 0 7. And a DC distribution board 110 constituting a DC power distribution device for distributing power.
  • the AC switchboard 1 0 4 is connected to a commercial power source (AC power system) 1 0 5 and a power conditioner 1 0 3 and an AC power distribution path 1 0 6 at the output end.
  • DC distribution board 1 1 0 is connected.
  • AC distribution board 1 0 4 branches AC power supplied from commercial power supply 1 0 5 or power conditioner 1 0 3 and outputs AC power to AC distribution path 1 0 6 and DC distribution board 1 1 0 To do.
  • the DC distribution board 1 1 0 has a solar battery 1 0 1, a storage battery 1 0 2, an AC distribution board 1 0 4 connected to the input terminal, and a DC distribution circuit 1 0 7 connected to the output terminal.
  • DC distribution board 1 1 0 is composed of a solar cell converter 1 1 1, a storage battery converter 1 1 2, an AC-DC converter 1 1 3, a control unit 1 1 4, and a display unit 1 1 5. .
  • the output line of the solar cell 1 0 1 is branched into two, and the power conditioner 1 0 3 and the solar cell converter 1 1 1 of the DC distribution board 1 1 0 are connected in parallel.
  • the inverter 1 0 3 converts the DC power output from the solar cell 1 0 1 to AC power synchronized with the phase of the commercial power 1 0 5 and outputs the AC power, and the converted AC power 1 0 Reverse tide to 5.
  • the solar cell converter 1 1 1 includes a DC-DC converter, and converts DC power output from the solar cell 1 0 1 to a desired voltage level and outputs the voltage.
  • the storage battery comparator 1 1 2 is configured to include a DC-DC converter, and converts DC power output from the storage battery 1 0 2 to a desired voltage level for output.
  • a C—D C converter 1 1 3 converts the AC power supplied from AC distribution board 1 0 4 into DC power of a desired voltage level and outputs the same.
  • the control unit 1 14 is configured by an information processing apparatus having a microcomputer or the like, and controls operation of each unit of the DC distribution board 1 10.
  • the control unit 1 1 4 performs the ONZOFF control and output voltage control of the converter operation of the solar cell converter 1 1 1, storage battery converter 1 1 2, AC-DC converter 1 1 3, and display Controls the display of part 1 1 5.
  • the display unit 1 1 5 is composed of a liquid crystal display device, etc., and displays various information such as the operating status of the DC distribution board 1 1 0 by letters, numbers, images, etc. based on instructions from the control unit 1 1 4 Display.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

La présente invention a trait à un appareil de distribution de puissance comprenant : une unité de conversion CA-CC qui convertit un courant CA en un courant CC et qui émet ce courant CC ; un appareil d'alimentation en courant CC qui émet un courant CC ; une unité de commande qui commande le fonctionnement général du système ; une unité de conversion CC-CC qui est connectée audit appareil d'alimentation en courant CC et qui convertit le courant CC susmentionné pour atteindre un niveau de tension imposé ; et une unité de commutation de chemin d'alimentation électrique qui change le chemin d'alimentation électrique de manière à ce que la puissance de sortie provenant de ladite unité de conversion CA-CC alimente l'unité de commande lors du démarrage, et à ce que le courant CC provenant de ladite unité de conversion CC-CC alimente l'unité de commande lorsque le courant CC émis par l'appareil d'alimentation en courant CC atteint ou dépasse une tension imposée.
PCT/IB2010/002328 2009-10-27 2010-09-17 Système de distribution de puissance Ceased WO2011051764A1 (fr)

Applications Claiming Priority (2)

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JP2009-246398 2009-10-27
JP2009246398A JP2011097665A (ja) 2009-10-27 2009-10-27 配電システム

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TW201349731A (zh) * 2012-05-30 2013-12-01 Delta Electronics Inc 具有發電模組之太陽能發電系統及其輸出電能控制方法
JP6040117B2 (ja) * 2013-08-06 2016-12-07 株式会社Ｎｔｔドコモ 電力供給制御システム、電力供給制御方法、及び電力供給制御プログラム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000092740A (ja) * 1998-09-16 2000-03-31 Nissin Electric Co Ltd 直流配電システムの制御方法
JP2001357867A (ja) * 2000-06-12 2001-12-26 Matsushita Electric Ind Co Ltd 燃料電池発電装置、媒体及び情報集合体
JP2002271997A (ja) * 2001-03-09 2002-09-20 Nippon Telegr & Teleph Corp <Ntt> 分散給電ネットワーク
JP2005094836A (ja) * 2003-09-12 2005-04-07 Omron Corp パワーコンディショナ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000092740A (ja) * 1998-09-16 2000-03-31 Nissin Electric Co Ltd 直流配電システムの制御方法
JP2001357867A (ja) * 2000-06-12 2001-12-26 Matsushita Electric Ind Co Ltd 燃料電池発電装置、媒体及び情報集合体
JP2002271997A (ja) * 2001-03-09 2002-09-20 Nippon Telegr & Teleph Corp <Ntt> 分散給電ネットワーク
JP2005094836A (ja) * 2003-09-12 2005-04-07 Omron Corp パワーコンディショナ装置

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