WO2012014273A1 - 情報処理システム、無停電電源システムおよび処理割り当て制御方法 - Google Patents
情報処理システム、無停電電源システムおよび処理割り当て制御方法 Download PDFInfo
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- WO2012014273A1 WO2012014273A1 PCT/JP2010/062550 JP2010062550W WO2012014273A1 WO 2012014273 A1 WO2012014273 A1 WO 2012014273A1 JP 2010062550 W JP2010062550 W JP 2010062550W WO 2012014273 A1 WO2012014273 A1 WO 2012014273A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5094—Allocation of resources, e.g. of the central processing unit [CPU] where the allocation takes into account power or heat criteria
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/14—Balancing the load in a network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Definitions
- the present invention relates to an information processing system to which power is supplied by an uninterruptible power supply system, an uninterruptible power supply system, and a process allocation control method.
- An uninterruptible power supply that continues to supply power to a connected device for a certain period of time without a power failure even when the input power is cut off is widely used.
- a computer system generally receives power supply from a commercial power source.
- a computer system will cause a large-scale failure if the power is cut off even at an instant, so that even if the connected commercial power supply is cut off, there is no need to prevent an instantaneous voltage drop or power outage from occurring on the computer system.
- a power outage system is used.
- facilities such as hospitals, plants, and medical equipment, control equipment, sensors, etc. Exists. Such facilities and equipment typically include an uninterruptible power supply system.
- an Internet data center IDC
- An Internet data center has a plurality of processor units and a computer system that executes processes in parallel.
- the uninterruptible power supply system stores power and maintains the power supply to the device by supplying the stored power to the device when the power supply is cut off.
- a secondary battery, an electric double layer capacitor, or the like is used, but all of them must be DC electric power.
- secondary batteries and electric double layer capacitors are collectively referred to as secondary batteries.
- UPS Uninterruptible Power Supply
- UPS UPS
- a power storage device that stores electric power is referred to as UPS.
- alternating current (AC) power supply and direct current (DC) power supply.
- AC alternating current
- DC direct current
- an AC power supply uninterruptible power supply system is used in consideration of power distribution in the facility.
- the capacity and importance of the system become very large.
- IDC Internet data center
- an uninterruptible power supply system is provided on the first floor and a computer system is provided on the adjacent floor.
- the AC power supply uninterruptible power supply system converts alternating current (AC) commercial power into direct current (DC) power and connects the UPS to the output of DC power.
- the output of DC power is converted into AC power and supplied to each unit in the form of AC power. Since the device (processor unit) to which AC power is supplied operates with direct current, the supplied AC power is converted again into DC power and supplied to the device (processor unit). Therefore, when an AC power supply uninterruptible power supply system is used in an Internet data center (IDC), AC / DC conversion, DC / AC conversion, and AC / DC conversion are performed three times. For this reason, AC power feeding has a problem that power loss accompanying conversion is large and efficiency is low. There is also a problem that the UPS is large.
- IDC Internet data center
- an AC device to which alternating current (AC) power is supplied is referred to as an alternating current device
- a device to which direct current (DC) power is supplied and operates with direct current (DC) power is referred to as a direct current device.
- an AC device having a DC system inside has an AC / DC converter that is supplied with AC power from the outside and converts AC power into DC power.
- the DC system part provided inside the AC device may be referred to as a DC device.
- IDC Internet Data Center
- DC power supply converts AC commercial power into DC power, connects a UPS to the output of DC power, and supplies DC power to the device (processor unit).
- the UPS in this case is referred to as DC-UPS.
- DC-UPS the conversion is performed once, and the power loss accompanying the conversion can be reduced, so that power saving can be achieved.
- DC power is supplied to each DC device from a converter from AC power to DC power, there is a problem of power loss due to voltage drop or distribution.
- power load leveling is a system that uses a large-capacity power storage device in order to match the system power derived from renewable energy and nuclear power, which has a low environmental load but is difficult to control output, with fluctuations in the power consumption of the equipment.
- This is a technique for compensating and suppressing fluctuations in the power storage device by charging and discharging.
- DC-UPS DC power supply type uninterruptible power supply
- a power storage device is installed in a DC system part inside an AC device.
- the DC-UPS is charged with DC power from an AC / DC converter provided in an AC device, and the discharge power from the DC-UPS is supplied as DC power to a DC system unit in the device without conversion.
- DC power feeding can be realized inside the large-sized information device without direct current feeding to the entire IDC, and power saving can be achieved.
- the DC-UPS has only a secondary battery and a charge / discharge control circuit, and no DC / AC conversion circuit is required. It is possible to realize a UPS with a power capacity capable of backing up a large information device and leveling the power load.
- AC power supply type uninterruptible power supply AC-UPS
- AC device internal built-in power supply unit
- the AC power supplied to the facility is directly supplied to the AC device, and the DC power that is AC / DC converted inside the AC device (built-in power supply unit) is extracted and connected to the DC-UPS.
- the DC output of the DC-UPS is supplied to a DC / DC conversion unit, converted into DC power of a desired voltage corresponding to the drive voltage inside the device, and then supplied to the DC system unit inside the device.
- UPS requires that the power storage device is always fully charged for the purpose of the backup function. If the power storage device is no longer fully charged due to some failure, it is necessary to quickly return to the fully charged state.
- the charging power of UPS uses AC power for the premises that has sufficient power supply capacity in AC-UPS
- DC-UPS uses surplus power that is obtained by reducing the power consumption of the equipment from the maximum output capacity of the built-in power supply unit.
- the maximum output capacity of the built-in power supply unit that is originally provided in AC devices is designed to match the maximum power consumption of the built-in DC devices (DC system part), so the built-in DC devices have the maximum power consumption. Little surplus power is generated when operating.
- the DC-UPS can achieve a sufficient backup function without increasing the size of the built-in power supply unit.
- a plurality of information processing devices a plurality of information processing devices, a plurality of power storage devices that supply DC power to any of the plurality of information processing devices, and a plurality of power supply devices that supply DC power to the plurality of power storage devices
- DC power is supplied from the power storage device to the task processed by the information processing device.
- An information processing system includes an operation unit that is assigned to an information processing device that has not been used.
- a plurality of power supply devices that are provided corresponding to a plurality of DC devices that cooperate to execute processing, and that supply DC power to the corresponding DC devices, and a plurality of DC devices are supported.
- a power system is provided.
- a process is executed in cooperation with a plurality of DC devices that are supplied with DC power from a plurality of corresponding power supply apparatuses and backed up by a plurality of power storage apparatuses to which the DC power corresponds.
- a process assignment control method for assigning processes to a plurality of DC devices according to the state of charge of a plurality of power storage devices is provided.
- control is performed so that a small task (load) amount is assigned to an information processing device (DC device) corresponding to an insufficiently charged power storage device.
- Power consumption is reduced. Therefore, surplus power obtained by reducing the power consumption of the device from the maximum output capacity of the built-in power supply unit can be increased, and an insufficiently charged power storage device can be fully charged in a short time.
- FIG. 1 is a diagram illustrating a configuration of an AC device that forms an Internet data center (IDC) according to an embodiment.
- FIG. 2 is an external view of an AC device according to the embodiment.
- FIG. 3 is a flowchart illustrating control of a DC device that operates as a calculation unit in the AC device according to the embodiment.
- FIG. 4 shows an operation example in the case where the three-system DC-UPS power storage devices are all fully charged and performing a stable operation with low power consumption in the AC device of the embodiment.
- FIG. 5 shows a task (load) to a DC device when the charge capacity of one power storage device is reduced and the charge capacities of the other two power storage devices are fully charged in the AC device of the embodiment.
- FIG. FIG. 6 is a diagram illustrating assignment of tasks (loads) to DC devices when the charging capacities of the power storage devices of all systems are reduced in the AC devices according to the embodiment.
- IDC Internet data center
- FIG. 1 is a diagram illustrating a configuration of an AC device 1 that forms an Internet data center (IDC) according to an embodiment.
- An IDC may be formed by one AC device 1 or an IDC may be formed by a plurality of AC devices 1.
- the AC device 1 includes a group of n power supply units (units) 10-1 to 10-n and DC-UPS 20-1 to 20-n, and a plurality of DC devices.
- the plurality of DC devices are divided into n sets corresponding to the n power supply units 10-1 to 10-n, and each set of DC devices has m DC devices.
- the DC device 30-ij indicates the j-th DC device belonging to the i-th set of the n systems.
- the alternating current (AC) input supplied from the outside to the AC device 1 is supplied to the power supply units 10-1 to 10-n.
- the AC input is, for example, commercial AC power.
- Each power supply unit 10 includes an AC / DC converter 11, a first DC power supply line 12, a power consumption monitoring unit 13, a second DC power supply line 14, and m DC-DC converters 15-1 to 15-m. And having.
- the AC / DC converter 11 converts AC commercial power into DC power having a predetermined voltage.
- the voltage of AC commercial power is AC200V
- the predetermined voltage of DC power is 400V.
- AC100V may be sufficient, and a predetermined voltage may be 40V.
- the DC power line 12 is an output line of the AC / DC converter 11 and is connected to the power consumption monitoring unit 13.
- the power consumption monitoring unit 13 monitors the power supplied through the first DC power supply line 12.
- the second DC power supply line 14 connects between the power consumption monitoring unit 1 and the DC-DC converters 15-1 to 15-m, and branches into m on the way.
- the DC-DC converters 15-1 to 15-m convert DC power having a predetermined voltage supplied via the second DC power supply line 14 into DC power having a voltage required by the corresponding DC device.
- the DC-DC converters 15-1 to 15-m may output different voltages or the same voltage.
- Output lines 16-1-1 to 16-1-m,... 16-n-1 to 16-nm are connected to the outputs of the DC-DC converters 15-1 to 15-m.
- the DC device 30-ij is connected to the corresponding output line 16-ij and supplied with DC power.
- Each DC-UPS 20 includes a charge / discharge circuit 21 connected to the first DC power supply line 12 of the corresponding power supply unit 10, and a power storage device 24 that charges and discharges via the charge / discharge circuit 21.
- the charging / discharging circuit 21 includes a charging power control unit 22 and a charging capacity monitoring unit 23.
- the power storage device 24 is composed of a secondary battery or the like.
- Each DC device 30 is a processor unit.
- the plurality of DC devices 30 are connected to each other via a bus 40 to form a computer system having a multiprocessor configuration in which processes (tasks) are distributed and executed in parallel.
- one DC device in this case, the DC device 30-1-1) is used as a calculation unit that performs overall control of the plurality of DC devices 30.
- the DC device (calculation unit) 30-1 -1 executes part of the task and performs processing of the entire computer system such as assignment of the task to each DC device, and further includes power supply units 10-1 to 10-n and DC-UPSs 20-1 to 20- Therefore, the DC device (arithmetic unit) 30-1-1 receives the measurement result of the power consumption of the power consumption monitoring unit 13 of each power supply unit via the communication line 41 and the communication line 42. It is possible to collect the measurement results of the charge capacity of the charge capacity monitoring unit 23 of each DC-UPS.
- the DC device (calculation unit) 30-1-1 collects the collected power consumption measurement results for n systems and the charge capacity. Based on measurement results The necessary charging conditions for each system are calculated, and the charging conditions are set in the charging power control unit 22 of each system, where the calculation unit is not realized by a part of the DC device but realized by another processor unit. You may do it.
- FIG. 2 is an external view of the AC device 1 of the embodiment.
- the AC device 1 has a housing (frame) 2 in which a plurality of guides are formed.
- An arithmetic board 3 on which the DC device 30 is mounted, and a power supply board 4 on which the power supply unit 10 and the DC-UPS 20 are mounted are used as guides. Inserted along.
- the inserted operation board 3 and power supply board 4 are connected to each other via a connector (not shown) provided on the back surface.
- two calculation boards 3 and one power supply board 4 form a set, and the number of sets of calculation boards 3 and power supply boards 4 to be mounted can be arbitrarily set according to specifications. If necessary, a plurality of AC devices 1 as shown in FIG. 2 are positioned and connected to each other.
- FIG. 3 is a flowchart showing the control of the DC device 30-1-1 operating as a calculation unit in the AC device 1 of the embodiment.
- step S11 the power consumption monitoring unit 13 of each system monitors the power consumption Wn of each system, and transmits the measurement result to the DC device (calculation unit) 30-1-1 by communication.
- step S12 the charge capacity monitoring unit 23 of each system monitors the charge capacity of the power storage device 24 inside the DC-UPS, and transmits the measurement result to the DC device (calculation unit) 30-1-1 by communication. If the measurement result indicates that all the power storage devices 24 are in a fully charged state, the process returns to step S11, and the power consumption and the charge capacity are continuously monitored, and a measurement is made that some of the power storage devices 24 are not in a fully charged state. If it is a result, it will progress to step S13.
- step S13 the DC device (arithmetic unit) 30-1-1 compares the maximum charging power Wc of the system that needs to be charged with the power consumption Wn of the system, and if Wc> Wn, the process proceeds to step S17. If ⁇ Wn, the process proceeds to step S14.
- step S14 the DC device (arithmetic unit) 30-1-1 transmits a command for distributing tasks to DC-UPSs other than systems that require charging and DC devices connected to the power supply circuit, and charging is required. Reduce system power consumption.
- step S15 the power consumption monitoring unit 13 of the system that requires charging monitors the power consumption Wn, calculates the surplus power Wo that is the difference between the power consumption Wn and the maximum output capacity Wc of the power supply unit of this system, Compare with charging power Wc. If Wc ⁇ Wo, the process proceeds to step S17, and if Wc> Wo, the process proceeds to step S16.
- step S16 the charging power control unit 22 controls the power storage device 24 to be charged with the surplus power Wo.
- step S17 the charging power control unit 22 controls the power storage device 24 to be charged with the maximum charging power Wc.
- step S18 the charge capacity monitoring unit 23 monitors the state of charge of the power storage device during charging. If the battery is fully charged, the charge is terminated. If the battery is not fully charged, the power consumption Wn and the charge capacity of the DC system are reached. Then, the process returns to step S11 to adjust the charging condition.
- FIGS. 4 to 6 are diagrams for explaining the charging operation in the embodiment.
- a case where a set of three power supply apparatuses 10 and a DC-UPS 20 is provided will be described as an example.
- the maximum output capacity of the power supply unit 10 is 9, and the maximum power consumption of the DC device is 8.
- FIG. 4 shows an operation example when the power storage devices 24 of the three systems of DC-UPS 20 are all in a fully charged state and perform a stable operation in a state where the power consumption is small (power consumption 2). If power storage device 24 is fully charged, power supply unit 10 supplies only power consumption 2 of DC device 30.
- FIG. 5 shows the other two power storage devices 24-1 in a state where the charge capacity of one power storage device 24-1 is reduced and the power consumption of the DC device 30-1 is large (power consumption 8).
- -2 and 24-2 show examples in which the charging capacity is in a fully charged state and the power consumption is low (power consumption 2).
- the power supply unit 10-1 since the power supply unit 10-1 preferentially supplies power to the DC device, the power supply unit 10-1 supplies power of the maximum output capacity 9, but the charging power for the power storage device 24-1 Is a state in which only 1 of surplus power can be supplied. In such a situation, it takes time to recover the charge capacity of the power storage device 24-1.
- FIG. 5B shows a state changed from the state of FIG. 5A according to the present embodiment.
- the DC device (arithmetic unit) 30-1-1 detects a decrease in the charging capacity of the power storage device 24-1, the DC device 30-1 performs a task to be executed by the corresponding DC device 30-1. After assigning to 30-2 and 30-3, the tasks executed by the DC device 30-1 are reduced.
- the task executed by the DC device 30-1 is reduced from 8 to 0, and the task executed by the DC devices 30-2 and 30-3 is increased from 2 to 6. Further, the charging power for power storage device 24-1 is increased to 9, and all of the maximum output capacity 9 of power supply unit 10-1 is used as the charging power for power storage device 24-1.
- FIG. 6A shows a state in which all the charging capacities of the three power storage devices 24-1 to 24-3 are reduced, and the power consumption of the DC device 30-1 is large (power consumption 8).
- This is a state where the power consumption of 30-2 and 30-3 is relatively small (power consumption 2). Since the power supply to the DC device is prioritized, the power storage devices 24-2 and 24-3 can be charged with the charging power 7 in the system with low power consumption, whereas the power consumption 1 in the system with high power consumption. As a result, the power storage device 24-1 is charged, and a difference appears in the backup capability of the three power sources.
- FIG. 6B shows a state changed from the state of FIG. 6A according to the present embodiment.
- the DC device (arithmetic unit) 30-1-1 detects a decrease in the charging capacity of the power storage devices 24-1 to 24-3, the task of the DC device 30-1 having a large task is Other DC devices 30-2 and 20-3 are allocated and equalized. Thereafter, the charge power to all the power storage devices 24-1 to 24-3 is equalized, and the backup capability of the three power sources is equalized.
- the surplus power of the AC / DC conversion circuit of each device is monitored by monitoring the power consumption of a plurality of DC devices, and the power consumption is reduced to a part of the DC power by the arithmetic unit. Aggregate and distribute to devices. As a result, when the charge capacity of the power storage device in the DC-UPS corresponding to a certain DC device is reduced, the load (task) of the corresponding DC device is assigned to a different DC device by the calculation unit. It is possible to increase the surplus power of the power supply device and secure sufficient charge power to the DC-UPS.
- the charging capacity of the power storage device corresponding to many DC devices decreases, the surplus power of the power supply unit corresponding to each DC device is increased by evenly assigning the load to a plurality of DC devices by the calculation unit, and It is possible to secure charging power to the device.
- the DC device is a computer capable of allocating virtual resources to a plurality of physical servers, the above effect can be obtained by allocating the virtual resources based on the charge state of the power storage device built in each device. Is possible.
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Abstract
Description
以上説明したように、実施例では、複数の直流機器の電力消費を管理することにより電源ユニットの出力容量を大きくすることなくDC-UPSの充電電力の確保が可能となる。
10-1~10-n 電源ユニット
13 電力消費監視部
20-1~20-n DC-UPS
21 充放電回路
22 充電電力制御部
23 充電容量監視部
24 蓄電装置
30-1-1~30-n-m 直流機器
Claims (10)
- 複数の情報処理装置と、
前記複数の情報処理装置のいずれかに直流電力を供給する複数の蓄電装置と、
前記複数の蓄電装置に直流電力を供給する複数の電源装置と、
前記複数の蓄電装置のいずれかの充電状態と、該蓄電装置から直流電力を供給される前記情報処理装置で処理するタスク量とに応じて、前記情報処理装置で処理するタスクを該蓄電装置から直流電力を供給されていない情報処理装置に割り当てる演算部と、を備えたことを特徴とする情報処理システム。 - タスクを分散して処理する複数の情報処理装置と、
前記複数の情報処理装置に対応して設けられ、対応する前記情報処理装置に直流電力を供給する複数の電源装置と、
前記複数の情報処理装置に対応して設けられ、対応する前記電源装置からの直流電力をバックアップする複数の蓄電装置と、
前記複数の蓄電装置の充電状態に応じて、前記タスクを前記複数の情報処理装置に割り当てる演算部と、を備えたことを特徴とする情報処理システム。 - 当該情報処理システムは、外部から交流電力が供給される交流機器であり、
前記複数の電源装置は、それぞれ前記交流電力を直流電力に変換する交流-直流変換器を備える請求項1または2記載の情報処理システム。 - 前記電源装置は、対応する前記情報処理装置の消費電力を監視する電力消費監視部を備え、
前記蓄電装置は、前記電源装置からの直流電力の蓄積を制御する充電電力制御部と、充電容量を監視する充電容量監視部と、を備え、
前記演算部は、前記電力消費監視部の検出する前記情報処理装置の消費電力および前記充電容量監視部との検出する前記充電容量を収集する請求項1から3のいずれか記載の情報処理システム。 - 前記複数の情報処理装置は、複数のサーバを有するコンピュータを形成し、仮想化資源が前記複数のサーバに割り当てられる請求項1から4のいずれか記載の情報処理システム。
- 前記演算部は、前記複数の情報処理装置の1つにより形成される請求項1から5のいずれか記載の情報処理システム。
- 前記演算部は、他の前記蓄電装置より前記充電状態が低い前記蓄電装置に対応する前記情報処理装置には、他の前記情報処理装置より少ない量の前記タスクを割り当てる請求項1から6のいずれか記載の情報処理システム。
- 協働して処理を実行する複数の直流機器に対応して設けられ、対応する前記直流機器に直流電力を供給する複数の電源装置と、
前記複数の直流機器に対応して設けられ、対応する前記電源装置からの直流電力をバックアップする複数の蓄電装置と、
前記複数の蓄電装置の充電状態に応じて、前記処理を前記複数の直流機器に割り当てる制御部と、を備えたことを特徴とする無停電電源システム。 - 前記複数の直流機器および当該無停電電源システムは、外部から交流電力が供給される交流機器を形成し、
前記複数の電源装置は、それぞれ前記交流電力を直流電力に変換する交流-直流変換器を備える請求項8記載の無停電電源システム。 - 対応する複数の電源装置から直流電力が供給され、前記直流電力が対応する複数の蓄電装置によりそれぞれバックアップされる複数の直流機器に、協働して実行する処理を割り当てる処理割り当て制御方法であって、
前記複数の蓄電装置の充電状態に応じて、前記処理を、前記複数の直流機器に割り当てることを特徴とする処理割り当て制御方法。
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JP2012526225A JP5573953B2 (ja) | 2010-07-26 | 2010-07-26 | 情報処理システム、無停電電源システムおよび処理割り当て制御方法 |
CN201080068245.8A CN103026573B (zh) | 2010-07-26 | 2010-07-26 | 信息处理系统、不间断电源系统及处理分配控制方法 |
PCT/JP2010/062550 WO2012014273A1 (ja) | 2010-07-26 | 2010-07-26 | 情報処理システム、無停電電源システムおよび処理割り当て制御方法 |
US13/719,822 US9075592B2 (en) | 2010-07-26 | 2012-12-19 | Information processing system, uninterruptible power system, and method for controlling allocation of processing |
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PCT/JP2010/062550 WO2012014273A1 (ja) | 2010-07-26 | 2010-07-26 | 情報処理システム、無停電電源システムおよび処理割り当て制御方法 |
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US13/719,822 Continuation US9075592B2 (en) | 2010-07-26 | 2012-12-19 | Information processing system, uninterruptible power system, and method for controlling allocation of processing |
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Cited By (4)
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CN102842936A (zh) * | 2012-09-20 | 2012-12-26 | 慈松 | 分布式电池供电装置及方法 |
WO2014132452A1 (ja) * | 2013-03-01 | 2014-09-04 | 富士電機株式会社 | 電源システム |
WO2018047571A1 (ja) * | 2016-09-09 | 2018-03-15 | 富士電機株式会社 | 電力平準化装置 |
JP2020523971A (ja) * | 2017-06-14 | 2020-08-06 | エルエス、エレクトリック、カンパニー、リミテッドLs Electric Co., Ltd. | エネルギー貯蔵システム |
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WO2015088569A1 (en) * | 2013-12-14 | 2015-06-18 | Hewlett-Packard Development Company, L.P. | Powering loads with a power supply and an uninterruptible power supply |
US20150183330A1 (en) * | 2013-12-30 | 2015-07-02 | Electric Power Research Institute, Inc. | Modular reconfigurable medium voltage transformer for data centers, volt/var control, ac and dc charging, and vehicle-to-grid applications |
WO2015157999A1 (en) * | 2014-04-18 | 2015-10-22 | Schneider Electric It Corporation | System and methods for distributed uninterruptable power supplies |
US10620857B2 (en) * | 2014-10-31 | 2020-04-14 | Hewlett Packard Enterprise Development Lp | Combined backup power |
KR101752657B1 (ko) | 2015-06-12 | 2017-07-03 | (주)대홍엔지니어링 | 능동형 고조파 필터 및 무효전력 보상 기능이 내장된 고/저압 배전반 및 전동기 제어반 |
JP6782410B2 (ja) * | 2016-01-28 | 2020-11-11 | 富士電機株式会社 | 電力変動緩和システム |
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Also Published As
Publication number | Publication date |
---|---|
US9075592B2 (en) | 2015-07-07 |
CN103026573B (zh) | 2015-07-15 |
JPWO2012014273A1 (ja) | 2013-09-09 |
CN103026573A (zh) | 2013-04-03 |
US20130111252A1 (en) | 2013-05-02 |
JP5573953B2 (ja) | 2014-08-20 |
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