JP2010068636A - Power source device, power-source supply method, power-source control program, and power source system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem, wherein it is not possible to control the operating state and the stopped state of an individual power-source module so that it becomes an optimum redundant configuration, with respect to the maximum power consumption of a load, in a power source device including power source modules respectively having different power source capacities. <P>SOLUTION: The power source device is configured such that: a plurality of power source modules are put in an operating state or a stopped state, according to a power-source state instruction for instructing an operation or a stop; each power source module supplies power to a load; on the basis of each power-source capacity value of the plurality of power source modules and the maximum-power-consumption value of the load, the power-source state instruction is outputted after determining the operation or the stop of each power source module so as to prevent the total of the power-source capacity values of the remaining power source modules, excluding the predetermined number of redundant power source modules, from becoming less than the total of the maximum-power-consumption values. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a power supply device, a power supply method, a power supply control program, and a power supply system, and more particularly to a power supply device, a power supply method, a power supply control program, and a power supply system that control a redundant configuration of power supplies.

  An example of a power supply device is described in Patent Document 1. The power supply device of Patent Document 1 includes a plurality of uninterruptible power supply devices, an integrated controller, and a high-quality power supply network, and a plurality of power supply devices are connected via a high-quality power supply network in cooperation with the plurality of uninterruptible power supply devices and the integrated controller. Power to the load. However, this power supply device has a problem that power supply becomes unstable when a failure occurs in the uninterruptible power supply device.

  Patent Literature 2 and Patent Literature 3 describe power redundancy technology that solves this problem.

  The N overlap circuit of the individual power source described in Patent Document 2 includes a power supply circuit, a power supply voltage monitoring circuit, and a switching circuit. When the power supply voltage monitoring circuit detects a drop in the output voltage of the power supply circuit, the switching circuit Is switched to use the output of the power supply circuit of another individual power source.

  The device described in Patent Document 3 is composed of a power supply, an external power supply input, an external power supply output, a short-circuit prevention network, and a power sharing cable, and when one of the power supplies fails, output from the external power supply output of the power supply that has not failed. The inputted power is input from an external power supply input via a power sharing cable, and power is supplied to a load corresponding to the failed power supply while preventing a short circuit by a short circuit prevention network.

  Patent Document 4 describes a technique for calculating the power consumption of the entire load based on the power consumption information of individual modules constituting the load.

Japanese Patent No. 2839734 JP 2000-324717 A JP 2000-15296 A JP 2000-293557 A

  However, in the power supply redundancy techniques described in Patent Documents 2 and 3 described above, in a power supply device having power supply modules having different power supply capacities, individual power supply devices are configured to have an optimum redundant configuration with respect to the maximum power consumption of the load. There has been a problem that the operation state and the stop state of the power supply module cannot be controlled.

  The objective of this invention is providing the power supply device, power supply method, power supply control program, and power supply system which solve the subject mentioned above.

The power supply device of the present invention includes a plurality of power supply modules that are in an operation state or a stop state according to a power supply state instruction that instructs operation and stop,
Based on the power supply capacity value of each power supply module and the maximum power consumption value of the load supplied with power by each power supply module, the remaining power supply modules other than the power supply modules corresponding to a predetermined number of redundant modules are excluded. A power control unit that determines whether to operate or stop each power supply module so that the sum of the power capacity values does not fall below the sum of the maximum power consumption values, and outputs the power status instruction based on the determination.

According to the power supply method of the present invention, the power supply capacity value of a plurality of power supply modules that enter the operation state or the stop state according to the power supply state instruction that instructs operation and stop, and the maximum power consumption value of the load that is supplied with power by each of the power supply modules And the operation of each power supply module so that the total of the power supply capacity values of the remaining power supply modules excluding the predetermined number of redundant power supply modules does not fall below the total of the maximum power consumption values. A step of deciding to stop;
Outputting the power supply state instruction based on the determination.

The power supply control program of the present invention includes a power supply capacity value of a plurality of power supply modules that enter an operation state or a stop state according to a power supply state instruction that instructs operation and stop, and a maximum power consumption value of a load to which each of the power supply modules supplies power The power supply capacity value of the remaining power supply modules excluding the predetermined number of redundant power supply modules is operated or stopped so that the total power consumption value does not fall below the maximum power consumption value. A step of determining
A step of outputting the power supply state instruction based on the determination;

  According to the present invention, in a power supply device having power supply modules having different power supply capacities, it is possible to control the operation state and the stop state of each power supply module so as to have an optimum redundant configuration for the maximum power consumption of the load. become.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a block diagram showing a first embodiment of the present invention. Referring to FIG. 1, the first embodiment of the present invention includes a server 100, a server 200, a network 300, a management device 310, and a DC power transmission unit 390.

  The server 100 includes a power supply device 101 and a load 102 supplied with power from the power supply device 101.

  The server 200 includes a power supply device 201 and a load 202 that is supplied with power from the power supply device 201.

  The management device 310 is configured by a computer or a terminal, for example, and operates as information input / output means of the server 100 and the server 200.

  The server 100, the server 200, and the management apparatus 310 are connected to each other via the network 300.

  The power supply apparatus 101 and the power supply apparatus 201 are connected via a DC power transmission unit 390 so that their own DC power output can be used as the other party's DC power input. The DC power transmission unit 390 may be a cable that transmits DC power, for example.

  The power supply apparatus 101 includes a power supply control unit 140, a power supply module 161, a power supply module 162, a DC power external supply unit 170, and a DC power internal supply unit 180.

  The power supply control unit 140 determines whether to operate or stop the power supply module 161 and the power supply module 162, and outputs a power supply state instruction based on this determination.

  When the power supply module 161 and the power supply module 162 receive a power supply state instruction indicating “operation”, the power supply module 161 and the power supply module 162 are in an operation state and output DC power, and when receiving a power supply state instruction indicating “stop”, the power supply module 162 is stopped. To stop the output of DC power.

  The DC power external supply unit 170 outputs the DC power output from the power supply module 161 and the power supply module 162 to the DC power transmission unit 390. The basic configuration of the DC power external supply unit 170 is, for example, a cable for connecting the DC power output lines of the power supply module 161 and the power supply module 162 to the DC power transmission unit 390. Further, the DC power external supply unit 170 may have a diode for short circuit protection.

  The DC power internal supply unit 180 outputs the DC power input from the DC power transmission unit 390 to the load 102. The basic configuration of the DC power internal supply unit 180 is, for example, a cable that connects the DC power transmission unit 390 and the load 102. Further, the DC power internal supply unit 180 may include an overcurrent protection circuit, a backflow protection diode, a power disconnection / on switch, and the like.

  The power supply device 201 includes a power supply control unit 240, a power supply module 261, a power supply module 262, a DC power external supply unit 270, and a DC power internal supply unit 280. Since the power supply device 201 has the same configuration as that of the power supply device 101, detailed description of the power supply control unit 240, the power supply module 261, the power supply module 262, the DC power external supply unit 270, and the DC power internal supply unit 280 is provided. Is omitted.

  FIG. 2A is a block diagram illustrating an internal configuration of the power supply control unit 140. Referring to FIG. 2A, the power control unit 140 includes a processor unit 141, a communication unit 142, a program storage unit 143, a configuration information holding unit 110, a power capacity information holding unit 120, a maximum power consumption information holding unit 130, a power source. A capacity information combination holding unit 150, a power source capacity information rearrangement holding unit 152, and a maximum power consumption value integrated value holding unit 154 are included.

  The processor unit 141 controls the operation of the power supply control unit 140 by executing the program read from the program storage unit 143. Note that the processor unit 141 may include a memory (not shown) necessary for executing the program. The communication unit 142 performs communication via the network 300 based on an instruction from the processor unit 141.

  FIG. 3A is a diagram illustrating a structure of the configuration information holding unit 110 that holds the configuration information 111 of the load 102. The configuration information 111 includes a maximum power value (unit may be “watts”, for example) and a quantity for each of the configuration modules (for example, CPU, memory, etc.) of the load 102 and the load 202.

  FIG. 4A is a diagram illustrating a structure of the power supply capacity information holding unit 120 that holds the power supply capacity information 121 for each of the power supply module 161 and the power supply module 162 mounted on the power supply apparatus 101. The power capacity information 121 includes a server number corresponding to the power module 161 and the power module 162, a power module number, and a power capacity value (unit may be, for example, “watt”).

  FIG. 5A is a diagram illustrating a structure of the maximum power consumption information holding unit 130 that holds the maximum power consumption information 131 of the server 100. The maximum power consumption information 131 includes a server number and a maximum power consumption value obtained by integrating the maximum power value of the configuration information 111 (the unit may be, for example, “watts”).

  FIG. 6A is a diagram showing the structure of the power supply capacity information combination holding unit 150 that holds the power supply capacity information 151. The power supply capacity information 151 is a combination of the power supply capacity information 121 and the power supply capacity information 221, that is, the power supply module 161 and the power supply module 162 included in the power supply apparatus 101 and the power supply apparatus 201 connected via the DC power transmission unit 390. 4 is a table of power capacity values of the power module 261 and the power module 262.

  FIG. 7A is a diagram illustrating a structure of the power supply capacity information rearrangement holding unit 152 that holds the power supply capacity information 153. The power capacity information 153 is obtained by sorting the power capacity information 151 in FIG. 6A in ascending order using the power capacity value as a key.

  FIG. 8A shows a maximum power consumption value integrated value holding that holds a maximum power consumption value integrated value 155 ("maximum power consumption value integrated value" can be generally referred to as "maximum power consumption value"). FIG. 6 is a diagram showing a structure of a part 154. The maximum power consumption value integrated value 155 is obtained by integrating all the maximum power consumption information 131 and the maximum power consumption information 231, that is, the power supply device 101 and the power supply device 201 connected via the DC power transmission unit 390 receive power. This is the total value of the maximum power consumption of the supplied load 102 and load 202.

  FIG. 2B is a block diagram showing the internal configuration of the power supply control unit 240. Referring to FIG. 2B, the power control unit 240 includes a processor unit 241, a communication unit 242, a program storage unit 243, a configuration information holding unit 210, a power capacity information holding unit 220, a maximum power consumption information holding unit 230, a power source. A capacity information combination holding unit 250, a power source capacity information rearrangement holding unit 252 and a maximum power consumption value integrated value holding unit 254 are included. Since the configuration of the power control unit 240 is the same as that of the power control unit 140, FIG. 2 (b), FIG. 3 (b), FIG. 4 (b), FIG. 5 (b), FIG. (B) and FIG. 8B, the power control unit 240, the processor unit 241, the communication unit 242, the program storage unit 243, the configuration information holding unit 210, the power capacity information holding unit 220, and the maximum power consumption information holding unit. 230, power supply capacity information combination holding unit 250, power supply capacity information rearrangement holding unit 252, maximum power consumption value integrated value holding unit 254, configuration information 211, power supply capacity information 221, maximum power consumption information 231, power supply capacity information 251, power supply Detailed description of the capacity information 253 and the maximum power consumption value integrated value 255 will be omitted.

  Next, the operation of this embodiment will be described with reference to FIGS.

  In the present embodiment, the power supply apparatus 101 and the power supply apparatus 201 have the same operation specifications, but the difference between the load 102 and the load 202 as an example, and the power supply module 161 and the power supply module 162 as examples as well. The operation differs based on the difference between the power supply module 261 and the power supply module 262. First, the operation of the power control unit 140 in the example of the present embodiment will be described.

  FIG. 9 is a flowchart showing the operation of the power supply control unit 140.

  The power supply control unit 140 detects the start trigger by means not shown, and starts processing (S600). For example, the start trigger is any one of completion of the initial setting of the power supply control unit 140, occurrence of a failure of the power supply module 161 or the power supply module 162, a start instruction from the power supply control unit 240, a start instruction from the management apparatus 310, and the like. It may be.

  A specific example of the operation start will be described. For example, when the power supply control unit 140 detects the completion of its initial setting, the power supply control unit 140 notifies the power supply control unit 240 of this, and then starts the operation shown in FIG. The power supply control unit 240 may start the operation illustrated in FIG. 10 based on the notification from the power supply control unit 140.

  First, the power supply control unit 140 calculates the maximum power consumption value “1000” of the server 100 based on the maximum power value and quantity of the configuration information 111 shown in FIG. The maximum power consumption information 131 is generated by combining them and stored in the maximum power consumption information holding unit 130 as shown in FIG. 5A (S608).

  “(100 × 2) + (50 × 1) + (100 × 2) + (100 × 4) + (150 × 1) = 1000”.

  Next, the power supply control unit 140 acquires the maximum power consumption information 231 shown in FIG. 5B from the power supply control unit 240 and integrates the maximum power consumption information 131 to the maximum power consumption value integrated value 155 “1500”. The calculated value is stored in the maximum power consumption value integrated value holding unit 154 as shown in FIG. 8A (S610).

  “1000 + 500 = 1500”.

  Next, the power supply control unit 140 acquires the power supply capacity information 221 shown in FIG. 4B from the power supply control part 240 and generates the power supply capacity information 151 by combining with the power supply capacity information 121 shown in FIG. Then, as shown in FIG. 6A, the information is stored in the power supply capacity information combination holding unit 150 (S612).

  Next, the power supply control unit 140 sorts the power supply capacity information 151 shown in FIG. 6A in ascending order using the power supply capacity value as a key, and the power supply capacity information 153 as shown in FIG. The information is stored in the information rearrangement holding unit 152 (S614).

  Next, the power supply control unit 140 includes the power supply capacity information 153 at the end of the power supply capacity information 153 illustrated in FIG. 7A (in the example of the present embodiment, the power supply capacity information 153 with the power supply module number “162”). The total of the power supply capacity values of the power supply capacity information 153 (hereinafter referred to as “N + 1pow. N + 1pow can generally be referred to as“ redundant power supply capacity value ”)” is calculated (S616).

  In the example of the present embodiment, “500 + 500 + 1000 = 2000”.

  The process of S612 is a process of calculating the total N + 1 pow of power supply capacity values supplied in a state where the power supply module having the maximum power supply capacity among all the power supply modules of the server 100 and the server 200 has failed. That is, N + 1 pow that can determine that N + 1 redundant power is configured is calculated by confirming that the maximum power consumption required by the server 100 and the server 200 is satisfied by this N + 1 pow. Note that “N + 1 redundant power supply” indicates a power supply including a minimum of N power supply modules necessary for outputting power to be supplied to a desired load and a spare power supply module.

  Next, the power controller 140 selects the first power capacity information 153 from the power capacity information 153 shown in FIG. 7A (S620). Subsequently, the power controller 140 subtracts the power capacity value of the selected power capacity information 153 from N + 1 pow (S622).

  In the example of the present embodiment, “2000−500 = 1500”.

  Subsequently, the power supply control unit 140 compares N + 1 pow with the maximum power consumption value integrated value 155 to check whether N + 1 pow is less than the maximum power consumption value integrated value 155 (S624).

  In the process of S616, it is confirmed that the maximum power consumption required by the server 100 and the server 200 is satisfied by N + 1 pow as described above.

  In the example of the present embodiment, “(N + 1 pow) 1500 = (maximum power consumption value integrated value 155) 1500”, and N + 1 pow is not less than the maximum power consumption value integrated value 155.

  When N + 1 pow is not less than the maximum power consumption value integrated value 155 (NO in S624), the power supply control unit 140 indicates the server number of the server 100 on which the power supply control unit 140 is installed with respect to the server number of the selected power supply capacity information 153. ] To confirm whether or not they match (S640).

  This example does not match.

  If they match (YES in S640), the power supply control unit 140 acquires the power supply module number of the currently selected power supply capacity information 153, and the corresponding power supply module 161 and power supply module 162 are in the “stopped” power supply state. An instruction is output (S642).

  If they do not match (NO in S640), the power supply control unit 140 selects the power supply capacity information 153 next to the currently selected power supply capacity information 153 from the power supply capacity information 153 shown in FIG. (S646). Then, the power control unit 140 returns to S622.

  Subsequently, the power controller 140 subtracts the power capacity value of the selected power capacity information 153 from N + 1 pow (S622).

  In the example of the present embodiment, “1500−500 = 1000”.

  Subsequently, the power supply control unit 140 compares N + 1 pow with the maximum power consumption value integrated value 155 to check whether N + 1 pow is less than the maximum power consumption value integrated value 155 (S624).

  In the example of the present embodiment, “(N + 1pow) 1000 = (maximum power consumption value integrated value 155) 1500”, and N + 1pow is less than the maximum power consumption value integrated value 155.

  When N + 1 pow is less than the maximum power consumption value integrated value 155 (YES in S624), the power supply control unit 140 itself is included in the power supply capacity information 153 from the selected power supply capacity information 153 to the last power supply capacity information 153. The power supply module number of the power supply capacity information 153 having the same server number as the server number “100” of the installed server 100 is acquired (S630).

  In the example of the present embodiment, the power supply module numbers “161” and “162” are acquired.

    Subsequently, the power supply control unit 140 outputs a power supply state instruction indicating “operation” to the power supply module 161 and the power supply module 162 corresponding to the acquired power supply module number (S632). Then, the power control unit 140 ends the process.

  Next, the operation of the power control unit 240 in the example of the present embodiment will be described. The detailed operation equivalent to that of the power control unit 140 will be omitted.

  FIG. 10 is a flowchart showing the operation of the power supply control unit 240.

  The power supply control unit 240 detects a trigger for starting by means not shown, and starts processing (S700).

  The power control unit 240 calculates the maximum power consumption value “500” of the server 200 based on the maximum power value and quantity of the configuration information 211 shown in FIG. 3A, and combines it with its own server number “200”. The maximum power consumption information 231 is generated, and the maximum power consumption information 231 is stored in the maximum power consumption information holding unit 230 as shown in FIG. 5B (S708).

  “(100 × 1) + (50 × 1) + (50 × 1) + (100 × 2) + (100 × 1) = 500”.

  Next, the power supply control unit 240 acquires the maximum power consumption information 131 shown in FIG. 5A from the power supply control unit 140 and integrates the maximum power consumption information 231 to obtain the maximum power consumption value integrated value 255 “1500”. It is calculated and stored in the maximum power consumption value integrated value holding unit 254 as shown in FIG. 8B (S710).

  “1000 + 500 = 1500”.

  Next, the power controller 240 acquires the power capacity information 121 shown in FIG. 4A from the power controller 140 and generates the power capacity information 251 by combining with the power capacity information 221 shown in FIG. Then, as shown in FIG. 6B, the information is stored in the power supply capacity information combination holding unit 250 (S712).

  Next, the power supply control unit 240 sorts the power supply capacity information 251 shown in FIG. 6B in ascending order using the power supply capacity value as a key, and the power supply capacity information 253 as shown in FIG. The information is stored in the information rearrangement holding unit 252 (S714).

  Next, the power supply control unit 240 sets the last power supply capacity information 253 of the power supply capacity information 253 shown in FIG. 7B (in the example of this embodiment, the power supply capacity information 253 with the power supply module number “162”). N + 1 pow of all power supply capacity information 253 except for () is calculated (S716).

  In the example of the present embodiment, “500 + 500 + 1000 = 2000”.

  Next, the power controller 240 selects the first power capacity information 253 from the power capacity information 253 shown in FIG. 7B (S720). Subsequently, the power controller 240 subtracts the power capacity value of the selected power capacity information 253 from N + 1 pow (S722).

  In the example of the present embodiment, “2000−500 = 1500”.

  Subsequently, the power supply control unit 240 compares N + 1 pow with the maximum power consumption value integrated value 255 and confirms whether N + 1 pow is less than the maximum power consumption value integrated value 255 (S724).

  In the example of the present embodiment, “(N + 1 pow) 1500 = (maximum power consumption value integrated value 155) 1500”, and N + 1 pow is not less than the maximum power consumption value integrated value 255.

  When N + 1 pow is not less than the maximum power consumption value integrated value 255 (NO in S724), the power supply control unit 240 indicates the server number of the server 200 on which the power supply control unit 240 is installed with respect to the server number of the selected power supply capacity information 253. ] And confirms whether or not they match (S740).

  In the example of this embodiment, they match.

  If they match (YES in S740), the power supply control unit 240 acquires the power supply module number of the currently selected power supply capacity information 253 (in the example of this embodiment, “261” is acquired), and The power supply instruction of “stop” is output to the power supply module 261 and the power supply module 262 (S742).

  Next, the power supply control unit 240 selects the power supply capacity information 253 next to the currently selected power supply capacity information 253 from the power supply capacity information 253 shown in FIG. 7A (S746). Then, the power supply control unit 240 returns to S722.

  Subsequently, the power controller 240 subtracts the power capacity value of the selected power capacity information 253 from N + 1 pow (S722).

  In the example of the present embodiment, “1500−500 = 1000”.

  Subsequently, the power supply control unit 240 compares N + 1 pow with the maximum power consumption value integrated value 155 to check whether N + 1 pow is less than the maximum power consumption value integrated value 255 (S724).

  In the example of the present embodiment, “(N + 1pow) 1000 = (maximum power consumption value integrated value 155) 1500”, and N + 1pow is less than the maximum power consumption value integrated value 255.

  When N + 1 pow is less than the maximum power consumption value integrated value 255 (YES in S724), the power supply control unit 240 is the power supply capacity information 253 from the selected power supply capacity information 253 to the last power supply capacity information 253. The power supply module number of the power supply capacity information 253 having the same server number as the server number “200” of the installed server 200 is acquired (S730).

  In the example of the present embodiment, the power supply module number “262” is acquired.

    Subsequently, the power supply control unit 240 outputs a power supply state instruction indicating “operation” to the power supply module 261 and the power supply module 262 corresponding to the acquired power supply module number (S732). And the power supply control part 240 complete | finishes a process.

  FIG. 11 shows a basic configuration of the present embodiment. According to FIG. 11, the power supply device 901 includes a power supply control unit 140, a power supply module 161, a power supply module 162, and a power supply module 163.

  The power supply control unit 140 is configured based on the power supply capacity values of the power supply modules 161 to 163 and the maximum power consumption value of the load to which the power supply modules 161 to 163 supply power. In a state where the output of 163 is stopped, the operation and stop of each of the power supply modules 161 to 163 are determined so that the total value of the power supply capacity values of the power supply modules 161 to 163 in the operating state does not fall below the maximum power consumption value of the load. Next, the power supply control unit 140 outputs a power supply state instruction to each of the power supply modules 161 to 163 based on the determined operation and stop of the power supply modules 161 to 163.

  The power supply modules 161 to 163 enter an operation state or a stop state based on the power supply state instruction, and output power supplied to the load when in the operation state, and do not output power supplied to the load when in the stop state. And the power output of these power supply modules 161-163 is connected in parallel.

  The first effect of the present embodiment described above is that, in a power supply device having power supply modules having different power supply capacities, the operation / stop of each power supply module is set so as to have an optimum N + 1 redundant configuration for the maximum power consumption of the load. It is a point that can be controlled.

  The reason is that, based on the power capacity value of each power module connected in parallel and the maximum power consumption value of the load, even if the output of the power module with the maximum power capacity is stopped, This is because the operation / stop of the power supply module is determined so that the total capacity value does not fall below the maximum power consumption value of the load.

  The second effect of the present embodiment described above is that the optimum redundant configuration is achieved with respect to the sum of the maximum power consumption of the loads of all servers across a plurality of servers having different maximum power consumption and power supply module configurations. It is possible to control the operation / stop of individual power supply modules.

  The reason for this is that means for exchanging information about power consumption and power capacity between the power supply units of each server, a DC power external supply unit that outputs the DC power output of the power supply module to the outside, and DC power transmitted to other servers This is because a direct-current power transmission unit that performs direct current power supply and a direct-current power internal supply unit that inputs direct-current power from the direct-current power transmission unit are provided.

  Next, a second embodiment of the present invention will be described in detail with reference to the drawings.

  The second embodiment of the present invention differs from the first embodiment in the operations of S612 in FIG. 9 and S712 in FIG.

  In S612 of FIG. 9, the power supply control unit 140 according to the second embodiment has a specific number “M” of power supply capacity information 153 of two or more in order from the tail of the power supply capacity information 153 illustrated in FIG. The total value of the power supply capacity values of the power supply capacity information 153 except for is calculated. Similarly, in S712 of FIG. 10, the power control unit 240 of the second embodiment performs power supply of a specific number “M” of two or more in order from the tail in the power capacity information 253 illustrated in FIG. The sum of the power supply capacity values of all the power supply capacity information 253 except for the capacity information 253 (this “total” can be generally called “redundant power supply capacity value”) is calculated.

  The effect in the present embodiment described above is that the redundant configuration can be N + M.

  The reason is that even if the output of the power supply modules for the predetermined redundant number “M” is stopped based on the power supply capacity value of each power supply module connected in parallel and the maximum power consumption value of the load, the operation is stopped. This is because the operation / stop of the power supply module is determined so that the total value of the power supply capacity values of the power supply modules in the state does not fall below the maximum power consumption value of the load.

  Next, a third embodiment of the present invention will be described in detail with reference to the drawings.

  The third embodiment of the present invention differs from the first embodiment in the operations of the power supply control unit 140 and the power supply control unit 240.

  The management device 310 holds and updates the configuration information 111, the power supply capacity information 121, the configuration information 211, and the power supply capacity information 221 and transmits them in response to requests from the power control unit 140 and the power control unit 240. In addition, when the management device 310 updates the configuration information 111, the power capacity information 121, the configuration information 211, and the power capacity information 221, the management apparatus 310 starts processing for the power control unit 140 and the power control unit 240 via the network 300. Send instructions.

  For example, when the management apparatus 310 receives a failure report of the power supply module 161 and the power supply module 162 from the power supply control unit 140 via the network 300, the management apparatus 310 corresponds to the failed power supply module 161 and the power supply module 162 from the power supply capacity information 121. The power supply capacity information 121 is deleted. Other information is similarly managed using known techniques. Further, for example, the management apparatus 310 receives one or more requests from the power control unit 140 and the power control unit 240 via the network 300 for any one of the configuration information 111, the power capacity information 121, the configuration information 211, and the power capacity information 221. Then, the requested configuration information 111, power supply capacity information 121, configuration information 211, and power supply capacity information 221 are transmitted to the request source via the network 300.

  FIG. 12 is a flowchart of a portion where the operation of the power control unit 140 is different from that of the first embodiment.

  The power supply control unit 140 detects the start trigger by means not shown, and starts processing (S600). For example, the start trigger may be a start instruction from the management apparatus 310.

  First, the power supply control unit 140 requests and acquires the configuration information 111 and the power supply capacity information 121 from the management apparatus 310 (S602).

  The operations after S608 are the same as those in the first embodiment.

  The operation of the power supply control unit 240 is the same as that of the power supply control unit 140, and thus the description thereof is omitted.

    The effect of the present embodiment is that it is possible to execute an operation for controlling the operation / stop of each power supply module so as to obtain an optimum redundant configuration in response to a failure or recovery of the power supply module and a change in the load configuration.

  The reason is that the power supply apparatus acquires configuration information and power supply capacity information from the management apparatus.

  Based on the power supply capacity value of the power supply module and the maximum power consumption value of the load in the power supply control unit described in each of the above embodiments, the output of the power supply modules for a predetermined number of redundant units is stopped. The part of the function for determining the operation / stop of the power supply module so that the total value of the power supply capacity values of the power supply modules in the operating state does not fall below the maximum power consumption value of the load is physically, for example, information processing of the server It may be realized by a function or may be realized by a management device.

  Each component described in each of the above embodiments may cause a computer to execute predetermined processing by a program, for example.

  In addition, each component described in each of the above embodiments does not necessarily have to be individually independent. A plurality of components are realized as one module, and one component has a plurality of components. It may be realized as a module, a certain component is a part of another component, a part of a certain component overlaps a part of another component, or the like.

  Further, in each of the embodiments described above, a plurality of operations are described in order in the form of a flowchart, but the description order does not limit the order in which the plurality of operations are executed. For this reason, when each embodiment is implemented, the order of the plurality of operations can be changed within a range that does not hinder the contents.

  Furthermore, in each embodiment described above, a plurality of operations are not limited to being executed at different timings. For this reason, another operation may occur during the execution of a certain operation, or a part or all of the execution timing of a certain operation and the execution timing of another operation may overlap.

  Further, in each of the embodiments described above, it is described that a certain operation becomes a trigger for another operation, but the description does not limit all relationships between the certain operation and the other operations. For this reason, when each embodiment is implemented, the relationship between the plurality of operations can be changed within a range that does not hinder the contents. The specific description of each operation of each component does not limit each operation of each component. For this reason, each specific operation of each component may be changed within a range that does not hinder the functional, performance, and other characteristics in implementing each embodiment.

  In addition, each component in each embodiment described above may be realized by hardware, software, or a mixture of hardware and software, if necessary. May be.

  Further, the physical configuration of each component is not limited to the description of the above embodiment, and may exist independently, may exist in combination, or may be separated. It may be configured.

  The present invention can be applied to power redundancy of computers, communication devices, and other electric devices.

It is a block diagram which shows the structure of the 1st, 2nd and 3rd embodiment of this invention. It is a block diagram which shows the internal structure of the power supply control part of the 1st and 2nd embodiment of this invention. It is a figure which shows the structure of the structure information holding | maintenance part in 1st, 2nd and 3rd embodiment of this invention, and structure information. It is a figure which shows the structure of the power supply capacity | capacitance information holding | maintenance part of 1st, 2nd and 3rd Embodiment of this invention, and power supply capacity | capacitance information. It is a figure which shows the structure of the maximum power consumption information holding | maintenance part of the 1st, 2nd and 3rd embodiment of this invention, and maximum power consumption information. It is a figure which shows the structure of the power supply capacity information coupling | bonding holding part of 1st, 2nd and 3rd Embodiment of this invention, and power supply capacity information. It is a figure which shows the structure of the power supply capacity information rearrangement holding | maintenance part of 1st, 2nd and 3rd Embodiment of this invention, and power supply capacity information. It is a figure which shows the structure of the maximum power consumption value integrated value holding | maintenance part of the 1st, 2nd and 3rd embodiment of this invention, and a maximum power consumption value integrated value. It is a flowchart which shows operation | movement of the power supply control part of the 1st Embodiment of this invention. It is a flowchart which shows operation | movement of the power supply control part of the 1st Embodiment of this invention. It is a block diagram which shows the basic composition of the 1st Embodiment of this invention. It is a flowchart which shows operation | movement of the power supply control part of the 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Server 101 Power supply device 102 Load 110 Configuration information holding | maintenance part 111 Configuration information 120 Power supply capacity information holding part 121 Power supply capacity information 130 Maximum power consumption information holding part 131 Maximum power consumption information 140 Power supply control part 141 Processor part 142 Communication part 143 Program storage Unit 150 power supply capacity information combination holding unit 151 power supply capacity information 152 power supply capacity information rearrangement holding unit 153 power supply capacity information 154 maximum power consumption value integrated value holding unit 155 maximum power consumption value integrated value 161 power supply module 162 power supply module 163 power supply module 170 DC power external supply unit 180 DC power internal supply unit 200 Server 201 Power supply device 202 Load 211 Configuration information 221 Power capacity information 230 Maximum power consumption information holding unit 231 Maximum power consumption information 240 Power control unit 2 50 Power supply capacity information combination holding unit 251 Power supply capacity information 252 Power supply capacity information rearrangement holding unit 253 Power supply capacity information 254 Maximum power consumption value integrated value holding unit 255 Maximum power consumption value integrated value 261 Power supply module 262 Power supply module 270 DC power external supply Unit 280 DC power internal supply unit 300 network 310 management device 390 DC power transmission unit

Claims (17)

A plurality of power supply modules that are in an operation state or a stop state according to a power supply state instruction that instructs operation and stop; and
Based on the power supply capacity value of each power supply module and the maximum power consumption value of the load supplied with power by each power supply module, the remaining power supply modules other than the power supply modules corresponding to a predetermined number of redundant modules are excluded. A power control unit that determines the operation or stop of each power supply module so that the total of the power capacity values does not fall below the total of the maximum power consumption values, and outputs the power status instruction based on the determination;
A power supply device comprising: The power control unit
In order from the power supply module having the largest power supply capacity, a redundant power supply capacity value obtained by summing the power supply capacity values of the remaining power supply modules excluding the power supply modules for a predetermined number of redundant units is calculated,
The power supply capacity value of the power supply module having the smallest power supply capacity is subtracted from the redundant power supply capacity value, and when the subtracted redundant power supply capacity value is equal to or greater than the maximum power consumption value, the power supply capacity value is determined. Decide to stop the subtracted power module,
For the power supply modules excluding the power supply module that has been determined to stop, the subtraction and the determination are repeated until the subtracted redundant power supply capacity value is less than the maximum power consumption value.
The power supply device according to claim 1.   The power supply device according to claim 1, wherein the power supply control unit acquires at least one of the power supply capacity value and the maximum power consumption value from a predetermined external device.   The power supply device according to any one of claims 1 to 3, wherein the power supply control unit calculates the maximum power consumption value based on a maximum power value and a quantity for each module constituting the load.   5. The power supply device according to claim 4, wherein the power supply control unit acquires a maximum power value and a quantity for each module constituting the load from a predetermined external device. A DC power external supply unit that outputs the output of DC power of the power supply module to the external device;
DC power supplied from the DC power transmission unit is input, DC power internal supply unit that supplies the input DC power to the load,
The power supply device according to claim 1, comprising: Based on the power supply capacity value of the plurality of power supply modules that are in the operation state or the stop state and the maximum power consumption value of the load supplied with power by each of the power supply modules according to the power supply state instruction that instructs operation and stop Determining whether to operate or stop each power supply module so that the total of the power supply capacity values of the remaining power supply modules excluding the power supply modules corresponding to the number of redundant units does not fall below the total of the maximum power consumption values;
Outputting the power status indication based on the determination;
A power supply method characterized by comprising: In order from the power supply module having the maximum power supply capacity, calculating a redundant power supply capacity value by summing up the power supply capacity values of the remaining power supply modules excluding the predetermined number of redundant power supply modules; ,
Subtracting the power supply capacity value of the power supply module having the minimum power supply capacity from the redundant power supply capacity value;
Determining to stop the power supply module from which the power supply capacity value is subtracted when the subtracted redundant power supply capacity value is greater than or equal to the maximum power consumption value;
Repeating the subtraction and the determination until the redundant power supply capacity value after the subtraction is less than the maximum power consumption value for the power supply modules excluding the power supply module determined to be stopped;
The power supply method according to claim 7, further comprising: 9. The power supply method according to claim 7, further comprising a step of acquiring at least one of the power capacity value and the maximum power consumption value from a predetermined external device. The power supply method according to claim 7, further comprising a step of calculating the maximum power consumption value based on a maximum power value and a quantity for each module constituting the load. The power supply method according to claim 10, further comprising: obtaining a maximum power value and quantity for each module constituting the load from a predetermined external device. Based on power supply capacity values of a plurality of power supply modules that are in an operation state or a stop state according to a power supply state instruction that instructs operation and stop, and a maximum power consumption value of a load to which each power supply module supplies power is predetermined. Determining whether to operate or stop each of the power modules so that the total of the power capacity values of the remaining power modules excluding the power modules corresponding to the number of redundant units does not fall below the total of the maximum power consumption values;
Outputting the power status indication based on the determination;
A power control program for causing a computer to execute. In order from the power supply module having the maximum power supply capacity, calculating a redundant power supply capacity value by summing up the power supply capacity values of the remaining power supply modules excluding the predetermined number of redundant power supply modules; ,
Subtracting the power supply capacity value of the power supply module having the minimum power supply capacity from the redundant power supply capacity value;
Determining to stop the power supply module from which the power supply capacity value is subtracted when the subtracted redundant power supply capacity value is greater than or equal to the maximum power consumption value;
Repeating the subtraction and the determination until the redundant power supply capacity value after the subtraction is less than the maximum power consumption value for the power supply modules excluding the power supply module determined to be stopped;
13. A power supply control program according to claim 12, which causes a computer to execute. The power supply control program according to claim 12 or 13, wherein the computer executes a step of acquiring at least one of the power supply capacity value and the maximum power consumption value from a predetermined external device. The power supply control program according to any one of claims 12 to 14, wherein the computer executes a step of calculating the maximum power consumption value based on a maximum power value and a quantity for each module constituting the load. The power supply control program according to claim 15, wherein the computer executes a step of obtaining a maximum power value and a quantity for each module constituting the load from a predetermined external device. A plurality of the power supply devices according to claim 6;
A direct-current power transmission unit that transmits the direct-current power output from the direct-current power external supply unit of the plurality of power supply devices to the other plurality of power supply devices; and
A power supply system comprising:

Images