JP2022077968A - Uninterruptible power supply device - Google Patents

Abstract

To provide an uninterruptible power supply device capable of suppressing an increase of a width of the whole uninterruptible power supply device in the case of having a plurality of uninterruptible power supply modules.SOLUTION: An uninterruptible power supply device 100 comprises: a plurality of uninterruptible power supply modules 10 containing a power conversion part 10a and a housing 10b housing the power conversion part 10a; and an input module 20 into which an AC power from an AC power supply 101 in an external part of the device is inputted, and in which the inputted AC power is outputted to the plurality of uninterruptible power supply modules 10. Then, the plurality of uninterruptible power supply modules 10 include: a plurality of uninterruptible power supply modules 11 and 12 arranged in a horizontal direction; and a plurality of uninterruptible power supply modules 13 and 14 arranged in the horizontal direction so that both back planes of the housing 10b are opposite to each other with respect to each of the plurality of uninterruptible power supply modules 11 and 12.SELECTED DRAWING: Figure 1

Description

The present invention relates to an uninterruptible power supply, and more particularly to an uninterruptible power supply including a plurality of uninterruptible power supply modules.

Conventionally, an uninterruptible power supply device including a plurality of uninterruptible power supply modules is known (see, for example, Patent Document 1).

The above-mentioned Patent Document 1 discloses an uninterruptible power supply device including a plurality of uninterruptible power supply modules. In the uninterruptible power supply device described in Patent Document 1, a plurality of uninterruptible power supply modules are arranged in a row adjacent to each other in the left-right direction.

Japanese Unexamined Patent Publication No. 2016-144355

However, in the uninterruptible power supply device as described in Patent Document 1, since a plurality of uninterruptible power supply modules are arranged in a row adjacent to each other in the left-right direction, the plurality of uninterruptible power supply modules are adjacent to each other. In, the width of the entire uninterruptible power supply device increases. Therefore, when a plurality of uninterruptible power supply modules are provided, an uninterruptible power supply device capable of suppressing an increase in the width of the entire uninterruptible power supply device is desired.

The present invention has been made to solve the above-mentioned problems, and one object of the present invention is to increase the width of the entire uninterruptible power supply when a plurality of uninterruptible power supply modules are provided. It is to provide an uninterruptible power supply that can suppress the above.

In order to achieve the above object, the uninterruptible power supply according to one aspect of the present invention converts the AC power supplied from the AC power supply outside the device and transfers the converted AC power to the load outside the device. Multiple uninterruptible power supply modules including a power conversion unit to be supplied and a housing accommodating the power conversion unit, and AC power from an AC power supply outside the device are input, and the input AC power is not multiple. A plurality of uninterruptible power supply modules are provided with an input module for outputting to a power failure power supply module, and the plurality of uninterruptible power supply modules are composed of a plurality of first uninterruptible power supply modules arranged side by side in the left-right direction and a plurality of first uninterruptible power supply modules. It includes a plurality of second uninterruptible power supply modules arranged side by side in the left-right direction so that the back surfaces of the housings face each other.

In the uninterruptible power supply device according to the above one aspect, the plurality of uninterruptible power supply modules are arranged for each of the plurality of first uninterruptible power supply modules arranged side by side in the left-right direction and the plurality of first uninterruptible power supply modules. It includes a plurality of second uninterruptible power supply modules arranged side by side in the left-right direction so that the back surfaces of the housings face each other. As a result, it is possible to suppress an increase in the width of the entire uninterruptible power supply device in the left-right direction as compared with the case where all of the plurality of uninterruptible power supply modules are arranged side by side in the left-right direction. As a result, when a plurality of uninterruptible power supply modules are provided, it is possible to suppress an increase in the width of the entire uninterruptible power supply device.

In the uninterruptible power supply according to the above one aspect, preferably, the input module is arranged on one side in the left-right direction with respect to the plurality of uninterruptible power supply modules, and a load outside the device is connected to the plurality of uninterruptible power supplies. Further, an output module arranged on the other side in the left-right direction with respect to the power supply module is further provided, and each power conversion unit of the plurality of uninterruptible power supply modules inputs to an input module arranged on one side in the left-right direction. It is configured to convert the AC power from the AC power supply and output the converted AC power to the output module located on the other side in the left-right direction to supply it to the load outside the device. ing. Here, in general, in a relatively large modular uninterruptible power supply having a plurality of uninterruptible power supplies, the load supplied from the uninterruptible power supply is from an AC power supply to the uninterruptible power supply. It is arranged at a position away from the position where the wiring for supplying the AC power of the above is arranged. On the other hand, in the present invention, the input module is arranged on one side in the left-right direction with respect to the plurality of uninterruptible power supply modules, and the output module is arranged on the other side in the left-right direction with respect to the plurality of uninterruptible power supply modules. Place in. With this configuration, the wiring from the AC power supply to the uninterruptible power supply can be compared to the case where the input module for inputting power and the output module for outputting power are arranged together in the same direction. , The length of the entire wiring including the wiring from the uninterruptible power supply to the load can be shortened. As a result, it is possible to suppress an increase in the length of the connected wiring, and thus it is possible to suppress a loss due to the length of the wiring.

In this case, preferably, the input module is arranged on one side in the left-right direction with respect to the plurality of first uninterruptible power supply modules, and the input AC power is output to the plurality of first uninterruptible power supply modules. A 1-input module and a second input module arranged on one side in the left-right direction with respect to a plurality of second uninterruptible power supply modules and outputting input AC power to a plurality of second uninterruptible power supply modules. include. With this configuration, power can be supplied to both the plurality of first uninterruptible power supply modules and the plurality of second uninterruptible power supply modules as compared with the case where power is supplied from one input module in common. It can be input in a distributed manner. As a result, heat generation and power loss in the input module can be suppressed.

An uninterruptible power supply in which the above input module is arranged on one side in the left-right direction with respect to a plurality of uninterruptible power supply modules, and the output module is arranged on the other side in the left-right direction with respect to a plurality of uninterruptible power supply modules. In the above, preferably, the input module is configured so that the DC power supplied from the battery outside the apparatus is further input, and the power conversion unit of each of the plurality of uninterruptible power supply modules is located on one side in the left-right direction. The device by converting the DC power from the battery input to the input module arranged in the above into AC power and outputting the converted AC power to the output module arranged on the other side in the left-right direction. It is configured to supply to an external load. With this configuration, the AC power from the AC power supply and the DC power from the battery are combined in order to input the DC power from the battery outside the device to the input module to which the AC power from the AC power supply outside the device is input. It is possible to suppress the complexity of the device configuration as compared with the case where the input is made to a separate input module.

In the uninterruptible power supply device according to the above one aspect, preferably, each of the plurality of uninterruptible power supply modules receives AC power from the AC power supply in either the left or right direction from one side or the other side. In addition to being able to be configured, the converted AC power can be output in either one side or the other side in the left-right direction. With this configuration, each of the first uninterruptible power supply module and the second uninterruptible power supply module among the plurality of uninterruptible power supply modules can be configured by a common module. As a result, the uninterruptible power supply unit is compared with the case where the first uninterruptible power supply module and the second uninterruptible power supply module arranged so that the back surfaces of the housings face each other are modules having different structures from each other. The entire manufacturing and maintenance can be easily performed.

In this case, preferably, each of the plurality of uninterruptible power supply modules has an input bus member for inputting AC power from the AC power supply to the power conversion unit and an output bus for outputting the converted AC power. The input bus member and the output bus member in each of the plurality of uninterruptible power supply modules including the member are arranged so as to extend from one side surface to the other side surface in the left-right direction of the housing. There is. With this configuration, both the input bus member and the output bus member are arranged so as to extend from one side surface of the housing to the other side surface in the left-right direction of the housing. AC power can be easily input from either one side or the other side, and converted AC power can be easily input to either one side or the other side in the left-right direction. It can be output. As a result, when each of the plurality of first uninterruptible power supply modules and each of the plurality of second uninterruptible power supply modules among the plurality of uninterruptible power supply modules are configured by modules having a common structure, power is turned on. The output can be easily performed.

In the uninterruptible power supply according to the above one aspect, preferably, the input module is further input with the AC power from the bypass power supply AC power supply for outputting the AC power to the load outside the device without going through the power conversion unit. Each of the plurality of uninterruptible power supply modules includes an output bus member for outputting AC power converted by a power conversion unit, and powers AC power from an AC power supply for bypass power supply. It is configured to output via the output bus member without going through the conversion unit. With this configuration, the AC power from the AC power supply and the AC power from the bypass power supply AC power supply can be input to the common input module, so that the AC power from the AC power supply and the bypass power supply can be input. Compared with the case where the AC power from the AC power supply is input to a separate input module, it is possible to suppress the complexity of the device configuration. Further, since the AC power from the bypass power supply AC power supply is configured to be output via the output bus member, the AC power converted by the power conversion unit and the AC power from the bypass power supply AC power supply are used. Can be output via a common output bus member. Therefore, when the AC power from the bypass power supply AC power supply is output, the device configuration is suppressed from becoming complicated as compared with the case where a member for outputting the AC power from the bypass power supply AC power supply is separately provided. can do.

In this case, preferably, the first control unit that controls the power conversion of the plurality of first uninterrupted power supply modules is included, and the plurality of first uninterrupted power supply modules are arranged so as to be adjacent to each other on one side in the left-right direction. It includes a first control module and a second control unit that controls power conversion of a plurality of second non-disruptive power supply modules, and is arranged so as to be adjacent to one side in the left-right direction of the plurality of second non-disruptive power supply modules. The first control module further includes a first thyristor unit having a plurality of thyristors to which AC power from an AC power source for bypass feeding is input via an input module. The 2 control module further includes a second thyristor unit having a plurality of cyclists to which AC power from the bypass power supply AC power source is input via the input module. With this configuration, the AC power from the AC power supply for bypass power supply is transferred to the first thyristor unit of the first control module on the first uninterruptible power supply module side and the second control module on the second uninterruptible power supply module side. The load can be supplied while being dispersed in each of the second thyristor units. Therefore, since the electric power can be distributed to the first thyristor unit and the second thyristor unit, the heat generation in each of the first thyristor unit and the second thyristor unit can be reduced.

In an uninterruptible power supply in which the input module is configured to input AC power from an AC power supply for bypass power supply, the input module is preferably left and right with respect to the first control module and the second control module. The first thyristor unit is arranged on one side of the direction, and the first thyristor unit is arranged on one side of the first control module in which the input module in the left-right direction is arranged with respect to the first control unit. The unit is arranged on one side of the second control module in which the input module is arranged in the left-right direction with respect to the second control unit. With this configuration, the thyristor can be arranged on the input module side in both the first control module and the second control module, so that the increase in the wiring length between the input module and the thyristor is suppressed. can do. As a result, it is possible to suppress an increase in the wiring length in both the first thyristor unit and the second thyristor unit, so that it is possible to suppress the power loss due to the increase in the wiring length.

According to the present invention, as described above, when a plurality of uninterruptible power supply modules are provided, it is possible to provide an uninterruptible power supply device capable of suppressing an increase in the width of the entire uninterruptible power supply device.

It is a perspective view which showed the uninterruptible power supply according to one Embodiment of this invention. It is a figure which showed the arrangement seen from the Z1 direction side of the uninterruptible power supply. It is a figure which showed the arrangement seen from the Y1 direction side of an uninterruptible power supply. It is a figure which showed the arrangement seen from the Y2 direction side of an uninterruptible power supply. It is a schematic diagram for demonstrating the configuration of an uninterruptible power supply. It is a perspective view which showed the structure in the housing of the uninterruptible power supply module on the Y1 direction side by one Embodiment of this invention.

Hereinafter, embodiments embodying the present invention will be described with reference to the drawings.

(Overall configuration of uninterruptible power supply)
With reference to FIGS. 1 to 6, the overall configuration of an uninterruptible power supply device (UPS: Uninterruptible Power Supply, or PCS: Power Conditioning System) 100 according to an embodiment of the present invention will be described.

As shown in FIGS. 1 and 2, the uninterruptible power supply 100 includes an uninterruptible power supply module 10, an input module 20, a control module 30, and an output module 40.

In this embodiment, the uninterruptible power supply 100 includes a plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11, 12, 13 and 14) as shown in FIGS. 1 and 2. The uninterruptible power supply 100 includes two input modules 20 (input modules 21 and 22) and two control modules 30 (control modules 31 and 32). Further, in the present embodiment, the uninterruptible power supply 100 includes two output modules 40 (output modules 41 and 42). The input module 21 and the input module 22 are examples of the "first input module" and the "second input module" in the claims, respectively. Further, the control modules 31 and 32 are examples of the "first control module" and the "second control module" in the claims, respectively. Further, the uninterruptible power supply modules 11 and 12 are examples of the "first uninterruptible power supply module" within the scope of the claims. Further, the uninterruptible power supply modules 13 and 14 are examples of the "second uninterruptible power supply module" within the scope of the claims.

In this embodiment, the uninterruptible power supply modules 11 and 12 are arranged side by side in the X direction. Similarly, the uninterruptible power supply modules 13 and 14 are arranged side by side in the X direction. The input modules 21 and 22 are arranged on the X2 direction side in the left-right direction (X direction) with respect to the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14). The output modules 41 and 42 are arranged on the X1 direction side in the left-right direction (X direction) with respect to the plurality of uninterruptible power supply modules 11 to 14. The X direction is an example of the "left-right direction" in the claims. Further, the X2 direction side is an example of "one side" in the claims. Further, the X1 direction side is an example of the "other side" in the claims.

Specifically, the input module 21 is arranged on the X2 direction side with respect to the uninterruptible power supply modules 11 and 12. Further, the input module 22 is arranged on the X2 direction side with respect to the uninterruptible power supply modules 13 and 14. The output module 41 is arranged on the X1 direction side of the uninterruptible power supply modules 11 and 12 so as to be adjacent to the uninterruptible power supply module 12. Further, the output module 42 is arranged on the X1 direction side of the uninterruptible power supply modules 13 and 14 so as to be adjacent to the uninterruptible power supply module 14.

The control module 30 is arranged in the left-right direction (X direction) of the input module 20. Specifically, the input modules 20 (input modules 21 and 22) are arranged on the X2 direction side with respect to the control module 31 and the control module 32. The control module 31 is arranged on the right side (X1 direction side) of the input module 21 when viewed from the Y1 direction side, and the control module 32 is located on the left side (X1 direction side) of the input module 22 when viewed from the Y2 direction side. It is arranged on the X1 direction side).

Further, the control module 30 is arranged between the uninterruptible power supply module 10 and the input module 20. Specifically, the control module 31 is arranged between the uninterruptible power supply module 11 (uninterruptible power supply module 12) and the input module 21 in the X direction. That is, the control modules 31 are arranged adjacent to each other on the X2 direction side of the uninterruptible power supply module 11. Further, the control module 32 is arranged between the uninterruptible power supply module 13 (uninterruptible power supply module 14) and the input module 22 in the X direction. That is, the control modules 32 are arranged adjacent to each other on the X2 direction side of the uninterruptible power supply module 13.

In this embodiment, the input module 21, the control module 31, the uninterruptible power supply module 11, the uninterruptible power supply module 12, and the output module 41 are arranged in this order from the X2 direction side. Further, from the X2 direction side, the input module 22, the control module 32, the uninterruptible power supply module 13, the uninterruptible power supply module 14, and the output module 42 are arranged in this order.

The plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) include a housing 10b (see FIG. 6) that houses a power conversion unit 10a (see FIGS. 3 and 4) described later. The housing 10b has a substantially rectangular parallelepiped shape. The uninterruptible power supply modules 13 and 14 are arranged side by side in the X direction so that the back surfaces of the housings 10b face each other in the Y direction with respect to each of the uninterruptible power supply modules 11 and 12. Specifically, the back side of the uninterruptible power supply module 11 and the back side of the uninterruptible power supply module 13 are arranged so as to face each other in the Y direction. The back side is the side opposite to the direction (front side) in which the operator can access the equipment inside the module. Further, in the uninterruptible power supply device 100, the back side of the uninterruptible power supply module 12 and the back side of the uninterruptible power supply module 14 are arranged so as to face each other in the Y direction. Further, in the uninterruptible power supply 100, the back side of the input module 21 and the back side of the input module 22 are arranged so as to face each other in the Y direction, and the back side of the control module 31 and the back side of the control module 32 are arranged. The sides are arranged so as to face each other in the Y direction.

In this embodiment, as shown in FIGS. 3 to 5, each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) is connected to an AC power supply 101 (see FIGS. 2 and 5) outside the apparatus. It includes a power conversion unit 10a that converts the received (supplied) AC power.

The power conversion unit 10a is configured to convert the power received from the AC power supply 101 outside the device and output (supply) the converted power to the load 102 (see FIGS. 2 and 5) outside the device. ..

The power conversion unit 10a includes a rectifier circuit, an inverter circuit, and a chopper circuit. The rectifier circuit has a function of converting AC power input to the power conversion unit 10a into DC power. The chopper circuit is configured as, for example, a three-level chopper circuit. The chopper circuit has a function of transforming and outputting a voltage input from a battery 103 (see FIGS. 2 and 5) outside the device. The DC power input from the battery 103 is input to the chopper circuit via a conductor (not shown), a capacitor, and a DC reactor (not shown). Further, the inverter circuit has a function of converting DC power input from the rectifier circuit and the chopper circuit into AC power.

The input modules 20 (input modules 21 and 22) receive AC power from the AC power supply 101 outside the device. The input module 20 is configured to input the electric power received from the AC power supply 101 outside the apparatus to the power conversion unit 10a. The power (AC power) received from the AC power supply 101 outside the device is the AC input bus I (buses I1 to I3) provided in the input module 20 and the AC input bus I (bus I1 to I3) provided in the control module 30. It is input to the power conversion unit 10a via the bus I4 to I6) and the AC input bus I (buses I7 to I9) provided in the uninterruptible power supply module 10. The bus I is a wiring (conductor) for inputting AC power from the AC power supply 101 to the power conversion unit 10a. Three bus I are provided corresponding to the three-phase AC power (U phase, V phase, and W phase) supplied from the AC power supply 101 outside the apparatus. The bus I (I7 to I9) is an example of the "input bus member" in the claims.

Further, the input modules 20 (input modules 21 and 22) receive DC power from the battery 103 outside the apparatus. The input modules 20 (input modules 21 and 22) are configured to input the electric power received from the battery 103 outside the apparatus to the power conversion unit 10a. The power (DC power) received from the battery 103 outside the device is the DC input bus D (buses D1 and D2) provided in the input module 20 and the DC input bus D (bus) provided in the control module 30. It is input to the power conversion unit 10a via D3 and D4) and the DC input bus D (buses D5 and D6) provided in the uninterruptible power supply module 10. The bus D is a wiring (conductor) for inputting DC power from the battery 103 to the power conversion unit 10a. Two bus lines D are provided corresponding to the DC power from the battery 103.

In the present embodiment, the input module 21 of the input modules 20 outputs the AC power input from the AC power supply 101 and the DC power input from the battery 103 to the uninterruptible power supply modules 11 and 12. The input module 21 is configured to be electrically connected to the power conversion unit 10a of each of the uninterruptible power supply modules 11 and 12. Further, the input module 22 of the input modules 20 outputs the AC power input from the AC power supply 101 and the DC power input from the battery 103 to the uninterruptible power supply modules 13 and 14. The input module 22 is configured to be electrically connected to the power conversion unit 10a of each of the uninterruptible power supply modules 13 and 14.

As described above, in the present embodiment, each power conversion unit 10a of the plurality of uninterruptible power supply modules 10 receives AC power from the AC power supply 101 input to the input module 20 arranged on the X2 direction side. Convert. Further, in the present embodiment, each power conversion unit 10a of the plurality of uninterruptible power supply modules 10 converts the DC power from the battery 103 input to the input module 20 arranged on the X2 direction side into AC power. do.

Then, the uninterruptible power supply 100 transfers the AC power converted by the power conversion unit 10a to the output module 40 via the AC output bus O (buses O4 to O6) provided in the uninterruptible power supply module 10. It is configured to output to (output modules 41 and 42). The load 102 is electrically connected to the output modules 40 (output modules 41 and 42). Each power conversion unit 10a of the plurality of uninterruptible power supply modules 10 outputs the converted AC power to the output module 40 arranged on the X1 direction side so as to supply the converted AC power to the load 102 outside the device. It is configured. Further, the bus O is a wiring (conductor) for outputting the electric power converted by the electric power conversion unit 10a. Three bus O are provided corresponding to each phase (U phase, V phase, and R phase) of the AC power output from the power conversion unit 10a. The bus O (bus O4 to O6) is an example of the "output bus member" in the claims.

As shown in FIG. 2, specifically, in the output module 41, AC power is input via the bus O (buses O4 to O6) for AC output provided in the uninterruptible power supply modules 11 and 12. Further, in the output module 42, AC power is input via the bus O (buses O4 to O6) for AC output provided in the uninterruptible power supply modules 13 and 14. Then, the output module 42 outputs the AC power input via the bus O (bus lines O4 to O6) for AC output of the uninterruptible power supply modules 13 and 14 to the output module 41. Then, the output module 41 loads the AC power input via the bus O (bus lines O4 to O6) for AC output of the non-disruptive power supply modules 11 and 12 and the AC power input from the output module 42. It is configured to output to 102.

Further, as shown in FIG. 6, in the present embodiment, each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) is from the X1 direction side and the X2 direction side in the X direction. In either case, the AC power from the AC power supply 101 can be input. Similarly, each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) receives DC power from the battery 103 in both the X1 direction side and the X2 direction side in the X direction. It is configured to be inputtable. Each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) is configured to be capable of outputting converted AC power in both the X1 direction and the X2 direction in the X direction. ing.

Specifically, in the present embodiment, the bus I (bus I7 to I9), the bus D (bus D5 and D6), and the bus in each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14). The O (bus lines O4 to O6) are arranged so as to extend from the side surface on the X2 direction side in the left-right direction (X direction) of the housing 10b to the side surface on the X1 direction side. Bus I (buses I7 to I9), bus D (buses D5 and D6), and bus O (buses O4 to O6) are conductors including a metal plate such as a copper bar. Further, in the uninterruptible power supply 100, the bus I, the bus D, and the bus O are electrically connected to each other in the adjacent modules.

Further, the uninterruptible power supply module 10 has a neutral wire N. The uninterruptible power supply 100 has three bus I (three lines) corresponding to three phases (U phase, V phase, and W phase) of electric power supplied (input) from an AC power supply 101 outside the device, and one. AC power is received from the AC power supply 101 outside the device by a total of four wires including one neutral wire N (1 wire). That is, the uninterruptible power supply 100 uses a three-phase four-wire system as a method for receiving AC power from the AC power supply 101. The neutral wire N is electrically connected to the input module 20, the control module 30, and the uninterruptible power supply module 10 in the same manner as the bus I.

The plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) have a common configuration. In the uninterruptible power supply 100, four modules having a common configuration are arranged side by side side by side on the back side.

(Control module)
As shown in FIG. 3, the control module 31 includes a thyristor unit 31a, a control unit 31b, and a circuit breaker 31c. Further, the control module 31 includes a housing 31d that houses the thyristor unit 31a, the control unit 31b, and the circuit breaker 31c. The thyristor unit 31a is an example of the "first thyristor unit" in the claims. Further, the control unit 31b is an example of the "first control unit" in the claims.

Further, as shown in FIG. 3, in the control module 31, the thyristor unit 31a is arranged on the X2 direction side where the input module 21 is arranged. In the control module 31, the control unit 31b is arranged on the uninterruptible power supply module 11 (uninterruptible power supply module 12) side. That is, the thyristor unit 31a of the control module 31 is arranged on the left side (X2 direction side) when viewed from the Y1 direction side. The control unit 31b of the control module 31 is arranged on the right side (X1 direction side) when viewed from the Y1 direction side.

Further, as shown in FIG. 4, the control module 32 includes a thyristor unit 32a, a control unit 32b, and a circuit breaker 32c. Further, the control module 32 includes a housing 32d that houses the thyristor unit 32a, the control unit 32b, and the circuit breaker 32c. The thyristor unit 32a is an example of the "second thyristor unit" in the claims. Further, the control unit 32b is an example of the "second control unit" in the claims.

Further, as shown in FIG. 4, in the control module 32, the thyristor unit 32a is arranged on the X2 direction side where the input module 22 is arranged. In the control module 32, the control unit 32b is arranged on the uninterruptible power supply module 13 (uninterruptible power supply module 14) side. That is, the thyristor unit 32a of the control module 32 is arranged on the right side (X2 direction side) when viewed from the Y2 direction side. The control unit 32b of the control module 32 is arranged on the left side (X1 direction side) when viewed from the Y2 direction side.

Further, the control module 31 is configured such that at least the arrangement positions of the thyristor unit 31a and the control unit 31b can be exchanged in the left-right direction in the housing 31d. Similarly, the control module 32 is configured such that at least the arrangement positions of the thyristor unit 32a and the control unit 32b can be exchanged in the left-right direction in the housing 32d. The control module 31 can be used as the control module 32 by exchanging the arrangement positions of the thyristor unit 31a and the control unit 31b in the left-right direction. That is, the thyristor units 31a and 32a and the control units 31b and 32b housed in the housings 31d and 32d of the control modules 31 and 32 are units having the same configuration.

The control units 31b and 32b are configured to control the power conversion of the uninterruptible power supply module 10. In this embodiment, the control unit 31b (see FIG. 3) of the control module 31 is configured to control the power conversion of the uninterruptible power supply modules 11 and 12. Further, the control unit 32b (see FIG. 4) of the control module 32 is configured to control the power conversion of the uninterruptible power supply modules 13 and 14. The control units 31b and 32b include a plurality of control boards. The control board includes a circuit board on which a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like are mounted. Further, the control board controls according to the connection destination of the AC power supply 101, the load 102, the battery 103, the bypass power supply AC power supply 104, etc. connected to the uninterruptible power supply 100.

Further, as shown in FIGS. 3 and 4, the thyristor units 31a and 31b received power from the AC power supply 104 for bypass power supply (see FIGS. 2 and 5) outside the device (outside the uninterruptible power supply 100), respectively. It has a plurality of thyristors T (thyristors T1, T2 and T3) provided corresponding to each phase of electric power (U phase, V phase, and W phase). AC power from the bypass power supply AC power supply 104 is input to the plurality of thyristors T via the input modules 21 and 22.

<Bypass input>
AC power from the bypass power supply AC power supply 104 (see FIGS. 2 and 5) outside the device is input to the input modules 20 (input modules 21 and 22). Then, the input module 20 receives power from the bypass power supply AC power supply 104 outside the device to a plurality of thyristors T (thyristors T1 to T3) provided corresponding to each phase of the power received from the bypass power supply AC power supply 104. It is configured to input power. The AC power supply 104 for bypass power supply is a power supply for supplying AC power to a load 102 outside the apparatus without going through the power conversion unit 10a. The AC power supply 101 and the bypass power supply AC power supply 104 may be the same power source.

As shown in FIG. 5, in the uninterruptible power supply 100, a bypass current path B (bypass circuit) is formed from the input module 20 (input modules 21 and 22) to the control module 30 (control modules 31 and 32). ing.

The bypass current path B electrically connects the AC power supply 104 for bypass power supply outside the device and the bus O (buses O1 to O3) for AC output of the control modules 30 (control modules 31 and 32). The bypass current path B is a current path for outputting power from the bypass power supply AC power supply 104 outside the device to the load 102 outside the device via the bus O (buses O1 to O6) for AC output. The bypass current path B is a current path used for maintenance of the uninterruptible power supply module 10 (uninterruptible power supply modules 11 to 14).

As shown in FIG. 5, the bypass current path B includes bypass wirings B1, B2, and B3 provided corresponding to the phase of the AC power from the bypass power supply AC power supply 104 outside the apparatus. The bypass wirings B1, B2 and B3 are provided in the input module 20 and are electrically connected to the thyristors T1, T2 and T3 of the control modules 31 and 32 (thyristor units 31a and 32a), respectively.

The bypass wirings B1, B2 and B3 are the bus O for the AC output of the control modules 31 and 32 via the thyristors T1, T2 and T3 of the control modules 31 and 32 and the circuit breakers 31c and 32c, respectively. It is electrically connected to (buses O1 to O3).

As shown in FIGS. 2 and 5, the circuit breakers 31c and 32c are provided in the current path between the plurality of thyristors T (thyristors T1, T2 and T3) and the power conversion unit 10a, and are output from the power conversion unit 10a. It is configured to cut off the power generated.

Specifically, the circuit breakers 31c and 32c are placed between the bus O (buses O1 to O3) for AC output and the thyristor T1 (thyristor T1 to T3) in the bypass current path B of the control modules 31 and 32. It is provided. The circuit breakers 31c and 32c are configured to be able to switch between a state in which the bus O side of the circuit breakers 31c and 32c and the thyristor T side are electrically connected and a state in which they are electrically disconnected.

With the above-described configuration, the uninterruptible power supply 100 outputs the power received from the bypass power supply AC power supply 104 outside the device to the output module 40 via the bypass current path B and the AC output bus O. It is configured. That is, in the present embodiment, each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) transmits the AC power from the bypass power supply AC power supply 104 without passing through the power conversion unit 10a. It is configured to output via the bus O4 to O6).

An AC power supply 101, a battery 103, and an AC power supply 104 for bypass power supply outside the device are connected to each of the input modules 21 and 22 of the uninterruptible power supply 100, but each of the input modules 21 and 22 is connected. , Different AC power supplies, batteries and AC power supplies for bypass power supply may be connected respectively.

[Effect of this embodiment]
In this embodiment, the following effects can be obtained.

In the present embodiment, the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) are arranged side by side in the X direction (left-right direction), and the uninterruptible power supply modules 11 and 12 (plurality of first uninterruptible power supplies). Modules) and the uninterruptible power supply modules 13 and 14 (plural) arranged side by side in the X direction (left-right direction) so that the back surfaces of the housing 10b face each other with respect to each of the uninterruptible power supply modules 11 and 12. Second uninterruptible power supply module), including. As a result, the width in the X direction (left-right direction) of the entire uninterruptible power supply 100 is compared with the case where all of the plurality of uninterruptible power supply modules 10 (non-power failure power supply modules 11 to 14) are arranged side by side in the X direction. Can be suppressed from increasing. As a result, when a plurality of uninterruptible power supply modules 10 (non-power failure power supply modules 11 to 14) are provided, it is possible to suppress an increase in the width of the entire uninterruptible power supply device 100.

Further, in the present embodiment, as described above, the input module 20 (input modules 21 and 22) is in the X direction (left-right direction) with respect to the plurality of non-disruptive power supply modules 10 (non-disruptive power supply modules 11 to 14). It is arranged on one side (X2 direction side), and a load 102 outside the device is connected, and the other side in the X direction (left-right direction) with respect to a plurality of non-disruptive power supply modules 10 (non-disruptive power supply modules 11 to 14). The output modules 40 (output modules 41 and 42) arranged on the (X1 direction side) are provided, and the power conversion units 10a of each of the plurality of non-disruptive power supply modules 10 (non-disruptive power supply modules 11 to 14) are in the X2 direction. The AC power from the AC power supply 101 input to the input modules 21 and 22 arranged on the side is converted, and the converted AC power is output to the output modules 41 and 42 arranged on the X1 direction side. By doing so, it is configured to supply to the load 102 outside the device. Here, in general, in a relatively large modular uninterruptible power supply device having a plurality of uninterruptible power supply modules 10, the load 102 to which power is supplied from the uninterruptible power supply device 100 is relative to the uninterruptible power supply device 100. It is arranged at a position away from the position where the wiring for supplying the AC power from the AC power supply 101 is arranged. On the other hand, in the present embodiment, the input modules 21 and 22 are arranged on one side (X2 direction side) in the left-right direction with respect to the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14). , The output modules 41 and 42 are arranged on the other side (X1 direction side) in the left-right direction with respect to the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14). As a result, the AC power supply 101 to the uninterruptible power supply 100 are compared with the case where the input modules 21 and 22 into which electric power is input and the output modules 41 and 42 for outputting electric power are arranged together in the same direction. It is possible to shorten the total length of the wiring including the wiring up to and the wiring from the uninterruptible power supply 100 to the load 102. As a result, it is possible to suppress an increase in the length of the connected wiring, and thus it is possible to suppress a loss due to the length of the wiring.

Further, in the present embodiment, as described above, the input module 20 is arranged on one side (X2 direction side) in the left-right direction with respect to the uninterruptible power supply modules 11 and 12 (a plurality of first uninterruptible power supply modules). For the input module 21 (first input module) that outputs the input AC power to the plurality of uninterruptible power supply modules 11 and 12, and for the uninterruptible power supply modules 13 and 14 (multiple second uninterruptible power supply modules). It is arranged on one side (X2 direction side) in the left-right direction, and includes an input module 22 (second input module) that outputs input AC power to a plurality of uninterruptible power supply modules 13 and 14. As a result, power is distributed and input to both the uninterruptible power supply modules 11 and 12 and the uninterruptible power supply modules 13 and 14 as compared with the case where power is supplied from one input module in common. Can be done. As a result, heat generation and power loss in the input modules 21 and 22 can be suppressed.

Further, in the present embodiment, as described above, the input modules 20 (input modules 21 and 22) are configured to receive the DC power supplied from the battery 103 outside the apparatus, and a plurality of non-disruptive power sources are input. Each power conversion unit 10a of the power supply module 10 (non-disruptive power supply modules 11 to 14) is from the battery 103 input to the input modules 21 and 22 arranged on one side (X2 direction side) in the left-right direction. By converting the DC power into AC power and outputting the converted AC power to the output modules 41 and 42 arranged on the other side (X1 direction side) in the left-right direction, the load 102 outside the device can be used. It is configured to supply. As a result, in order to cause the input module 20 to input the DC power from the battery 103 outside the device to the input module 20 to which the AC power from the AC power source 101 outside the device is input, the AC power from the AC power source 101 and the DC power from the battery 103 are combined. It is possible to suppress the complexity of the device configuration as compared with the case where the power is input to a separate input module.

Further, in the present embodiment, as described above, each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) is from one side (X2 direction side) and the other side (X1) in the left-right direction. The AC power from the AC power supply 101 can be input from either the direction side) or the converted AC power in either one side or the other side in the left-right direction. Is configured to be able to output. As a result, the uninterruptible power supply modules 11 and 12 (first uninterruptible power supply module) and the uninterruptible power supply modules 13 and 14 (second uninterruptible power supply module) of the plurality of uninterruptible power supply modules 10 are shared. It can be configured by the module of. As a result, the uninterruptible power supply modules 11 and 12 and the uninterruptible power supply modules 13 and 14, which are arranged so that the back surfaces of the housing 10b face each other, have no structure as compared with the case where the modules have different structures. The entire power failure power supply 100 can be easily manufactured and maintained.

Further, in the present embodiment, as described above, each of the plurality of uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14) inputs the AC power from the AC power supply 101 to the power conversion unit 10a. Bus I7 to I9 (input bus member) and bus O4 to O6 (output bus member) for outputting the converted AC power, and the bus I7 to I9 in each of the plurality of uninterruptible power supply modules 10. The bus lines O4 to O6 are arranged so as to extend from the side surface of one side (X2 direction side) of the housing 10b in the left-right direction to the side surface of the other side (X1 direction side). As a result, both the bus lines I7 to I9 and the bus lines O4 to O6 are arranged so as to extend from one side surface of the housing 10b to the other side surface in the left-right direction. AC power can be easily input from either one side or the other side, and converted AC power can be easily output to either one side or the other side in the left-right direction. Can be made to. As a result, each of the uninterruptible power supply modules 11 and 12 (plural first uninterruptible power supply modules) and the uninterruptible power supply modules 13 and 14 (plural second uninterruptible power supply modules) among the plurality of uninterruptible power supply modules 10 When each of the above is configured by a module having a common structure, power can be easily input and output.

Further, in the present embodiment, as described above, the input module 20 (input modules 21 and 22) is a bypass power supply AC power source for outputting AC power to the load 102 outside the device without going through the power conversion unit 10a. The AC power from 104 is configured to be input, and each of the plurality of non-disruptive power supply modules 10 (non-disruptive power supply modules 11 to 14) outputs the AC power converted by the power conversion unit 10a. The AC power from the bypass power supply AC power supply 104 is configured to be output via the bus O4 to O6 without going through the power conversion unit 10a, including the bus O4 to O6 (output bus member). As a result, the AC power from the AC power supply 101 and the AC power from the bypass power supply AC power supply 104 can be input to the common input module 20 (input modules 21 and 22), so that the AC power supply 101 can input the AC power. Compared with the case where the AC power of the above and the AC power from the bypass power supply AC power supply 104 are input to separate input modules, it is possible to suppress the complexity of the device configuration. Further, since the AC power from the bypass power supply AC power supply 104 is configured to be output via the bus O4 to O6, the AC power converted by the power conversion unit 10a and the bypass power supply AC power supply 104 are used. AC power can be output via the common bus lines O4 to O6. Therefore, when the AC power from the bypass power supply AC power supply 104 is output, the device configuration becomes complicated as compared with the case where a member for outputting the AC power from the bypass power supply AC power supply 104 is separately provided. Can be suppressed.

Further, in the present embodiment, as described above, the control unit 31b (first control unit) that controls the power conversion of the non-disruptive power supply modules 11 and 12 (a plurality of first non-disruptive power supply modules) is included, and no power failure occurs. The control module 31 (first control module) arranged adjacent to one side (X2 direction side) of the power supply modules 11 and 12 in the left-right direction, and the power failure-free power supply modules 13 and 14 (plural second non-power failure). A control unit 32b (second control unit) that controls the power conversion of the power supply module) is included, and controls arranged so as to be adjacent to one side (X2 direction side) in the left-right direction of the non-disruptive power supply modules 13 and 14. The control module 31 includes a module 32 (second control module), and the control module 31 has a plurality of thyristors T to which AC power from the bypass power supply AC power supply 104 is input via the input module 20 (input module 21). The control module 32 includes a unit 31a (first thyristor unit), and the control module 32 has a thyristor unit 32a having a plurality of thyristors T to which AC power from the bypass power supply AC power supply 104 is input via the input module 20 (input module 22). (2nd thyristor unit) is included. As a result, the AC power from the AC power supply 104 for bypass power supply is transferred to the thyristor unit 31a of the control module 31 on the uninterruptible power supply modules 11 and 12 side and the thyristor unit 32a of the control module 32 on the uninterruptible power supply modules 13 and 14 side. It can be supplied to the load 102 while being dispersed in each of the above. Therefore, since the electric power can be distributed to the thyristor unit 31a and the thyristor unit 32a, the heat generation in each of the thyristor unit 31a and the thyristor unit 32a can be reduced.

Further, in the present embodiment, as described above, the input module 20 (input modules 21 and 22) is one in the left-right direction with respect to the control module 31 (first control module) and the control module 32 (second control module). The thyristor unit 31a (first thyristor unit) is arranged on the side (X2 direction side), and the input module 20 in the left-right direction is arranged with respect to the control unit 31b (first control unit) in the control module 31. In the control module 32, the input module 20 in the left-right direction is arranged in the control module 32 with respect to the control unit 32b (second control unit). It is arranged on one side (X2 direction side) where it is arranged. As a result, the thyristor T can be arranged on the input module 20 side in both the control module 31 and the control module 32, so that the increase in the wiring length between the input module 20 and the thyristor T can be suppressed. Can be done. As a result, in both the thyristor unit 31a and the thyristor unit 32a, it is possible to suppress an increase in the wiring length, so that it is possible to suppress a power loss due to an increase in the wiring length.

[Modification example]
The embodiments disclosed this time should be considered to be exemplary and not restrictive in all respects. The scope of the present invention is shown not by the description of the above embodiment but by the scope of claims, and further includes all modifications (modifications) within the meaning and scope equivalent to the scope of claims.

For example, in the above embodiment, the output modules 40 (output modules 41 and 42) are arranged on the other side (X1 direction side) in the left-right direction with respect to the plurality of uninterruptible power supply modules 10. The invention is not limited to this. In the present invention, the power output from the uninterruptible power supply 100 may be supplied to the load 102 via the output branch board without the output module 40. Further, power may be supplied to the load 102 from the uninterruptible power supply module 10 arranged on the outermost side in the left-right direction of the uninterruptible power supply device 100.

Further, in the above embodiment, the outputs from the uninterruptible power supply modules 11 and 12 (first uninterruptible power supply module) are output to the output module 41, and the outputs from the uninterruptible power supply modules 13 and 14 (second uninterruptible power supply module). Although an example in which the output is output to the output module 42 is shown, the present invention is not limited to this. For example, both the output from the uninterruptible power supply modules 11 and 12 and the output from the uninterruptible power supply modules 13 and 14 may be configured to output to a common output module.

Further, in the above embodiment, an example including two input modules 20 (input modules 21 and 22) is shown, but the present invention is not limited to this. In the present invention, the uninterruptible power supply device may be configured to include only one input module 20 or may be configured to include three or more input modules 20.

Further, in the above embodiment, an example in which the DC power from the battery 103 is input to the input module 20 is shown, but the present invention is not limited to this. For example, the DC power from the battery 103 may be configured to be directly supplied to each power conversion unit 10a of the plurality of uninterruptible power supply modules 10 without going through the input module 20.

Further, in the above embodiment, an example is shown in which each of the plurality of uninterruptible power supply modules 10 is configured to be capable of input / output of electric power in any of the left-right directions, but the present invention is limited to this. I can't. For example, the plurality of uninterruptible power supply modules 10 may be configured so that power can be input from only one of the left and right directions. That is, the uninterruptible power supply modules 11 and 12 (a plurality of first uninterruptible power supply modules) and the uninterruptible power supply modules 13 and 14 (a plurality of second uninterruptible power supply modules) may be configured differently from each other.

Further, in the above embodiment, an example is shown in which AC power from the bypass power supply AC power supply 104 is input to the input module 20, but the present invention is not limited to this. For example, the AC power from the bypass power supply AC power supply 104 may be configured to be supplied to each power conversion unit 10a of the plurality of uninterruptible power supply modules 10 without going through the input module 20.

Further, in the above embodiment, the uninterruptible power supply 100 includes two control modules 30 (control modules 31 and 32), but the present invention is not limited to this. In the present invention, the uninterruptible power supply 100 may be configured to include only one control module, or may be configured to include three or more control modules.

Further, in the above embodiment, an example is shown in which the control modules 31 and 32 (first control module and second control module) are provided with bypass wirings B1, B2 and B3, but the present invention is limited to this. not. For example, the uninterruptible power supply 100 may independently include a bypass module including a plurality of bypass wirings B1, B2, and B3, and a control module including control units (control units 31b and 32b). .. Further, bypass wirings B1, B2 and B3 may be provided in the input module 20. That is, the input module 20 and the bypass module may be integrally configured.

Further, in the above embodiment, the thyristor units 31a and 32a are arranged on the input module 20 side in the housings 31d and 32d of the control modules 31 and 32, but the present invention is not limited to this. .. For example, the thyristor units 31a and 32a may be configured to be arranged on the uninterruptible power supply module 10 side opposite to the input module 20 side.

Further, in the above embodiment, the uninterruptible power supply 100 includes four uninterruptible power supply modules 10 (uninterruptible power supply modules 11 to 14), but the present invention is not limited to this. In the present invention, the uninterruptible power supply 100 may be configured to include three or less uninterruptible power supply modules 10 or five or more uninterruptible power supply modules 10.

Further, in the above embodiment, the control modules 31 and 32 (first control module and second control module) are different from the uninterruptible power supply module 10 including the power conversion unit 10a. Not limited to this. For example, the control unit 31b (32b) that controls the power conversion unit 10a may be integrally configured with the uninterruptible power supply module 10. Further, the uninterruptible power supply 100 includes both an uninterruptible power supply module 10 that does not include the control unit 31b (32b) and a module in which the control unit 31b (32b) and the uninterruptible power supply module 10 are integrally configured. You may prepare.

10 Uninterruptible power supply module 10a Power conversion unit 10b Housing 11, 12 Uninterruptible power supply module (1st uninterruptible power supply module)
13, 14 Uninterruptible power supply module (second uninterruptible power supply module)
20 Input module 21 Input module (1st input module)
22 Input module (2nd input module)
31 Control module (1st control module)
31a Thyristor unit (1st thyristor unit)
31b Control unit (1st control unit)
32 Control module (second control module)
32a thyristor unit (second thyristor unit)
32b control unit (second control unit)
40, 41, 42 Output module 100 Uninterruptible power supply 101 AC power supply 102 Load 103 Battery 104 AC power supply for bypass power supply

Claims (9)

Each includes a power conversion unit that converts AC power supplied from an AC power supply outside the device and supplies the converted AC power to a load outside the device, and a housing that houses the power conversion unit. With multiple uninterruptible power supply modules,
An input module in which AC power from the AC power supply outside the device is input and the input AC power is output to the plurality of uninterruptible power supply modules is provided.
In the plurality of uninterruptible power supply modules, the back surfaces of the housing face each other with respect to each of the plurality of first uninterruptible power supply modules arranged side by side in the left-right direction and the plurality of first uninterruptible power supply modules. As described above, an uninterruptible power supply device including a plurality of second uninterruptible power supply modules arranged side by side in the left-right direction. The input module is arranged on one side in the left-right direction with respect to the plurality of uninterruptible power supply modules.
The load outside the device is connected, and an output module arranged on the other side in the left-right direction with respect to the plurality of uninterruptible power supply modules is further provided.
The power conversion unit of each of the plurality of uninterruptible power supply modules converts and converts AC power from the AC power supply input to the input module arranged on the one side in the left-right direction. The uninterruptible power supply according to claim 1, wherein the AC power is supplied to the load outside the apparatus by outputting the AC power to the output module arranged on the other side in the left-right direction. Power supply. The input module is
A first input module arranged on the one side in the left-right direction with respect to the plurality of first uninterruptible power supply modules and outputting input AC power to the plurality of first uninterruptible power supply modules.
A second input module arranged on the one side in the left-right direction with respect to the plurality of second uninterruptible power supply modules and outputting input AC power to the plurality of second uninterruptible power supply modules is included. , The uninterruptible power supply according to claim 2. The input module is configured to further input DC power supplied from a battery outside the device.
The power conversion unit of each of the plurality of uninterruptible power supply modules converts the DC power from the battery input to the input module arranged on the one side in the left-right direction into AC power, and also converts the DC power from the battery into AC power. 2. The uninterruptible power supply described. Each of the plurality of uninterruptible power supply modules is configured so that AC power from the AC power supply can be input from either one side or the other side in the left-right direction, and the left-right direction. The uninterruptible power supply according to any one of claims 1 to 4, wherein the converted AC power can be output to both the one side and the other side. Each of the plurality of uninterruptible power supply modules includes an input bus member for inputting AC power from the AC power supply to the power conversion unit, and an output bus member for outputting the converted AC power. Including
The input bus member and the output bus member in each of the plurality of uninterruptible power supply modules are arranged so as to extend from one side surface of the housing in the left-right direction to the other side surface. The uninterruptible power supply according to claim 5. The input module is configured to further input AC power from a bypass power supply AC power source for outputting AC power to the load outside the device without going through the power conversion unit.
Each of the plurality of uninterruptible power supply modules includes an output bus member for outputting AC power converted by the power conversion unit, and AC power from the bypass power supply AC power supply is transmitted via the power conversion unit. The uninterruptible power supply according to any one of claims 1 to 6, which is configured to output power via the output bus member. A first control unit that controls power conversion of the plurality of first uninterruptible power supply modules is included, and the first control unit is arranged adjacent to one side of the plurality of first uninterruptible power supply modules in the left-right direction. With the control module
A second control unit that controls power conversion of the plurality of second uninterruptible power supply modules is included, and is arranged adjacent to the one side of the plurality of second uninterruptible power supply modules in the left-right direction. With 2 control modules,
The first control module further includes a first thyristor unit having a plurality of thyristors to which AC power from the bypass power supply AC power source is input via the input module.
The uninterruptible power supply according to claim 7, wherein the second control module further includes a second thyristor unit having a plurality of thyristors to which AC power from the bypass power supply AC power is input via the input module. .. The input module is arranged on the one side in the left-right direction with respect to the first control module and the second control module.
The first thyristor unit is arranged on one side of the first control module in which the input module is arranged in the left-right direction with respect to the first control unit.
The uninterruptible power supply according to claim 8, wherein the second thyristor unit is arranged on one side of the second control module in which the input module is arranged in the left-right direction with respect to the second control unit. Uninterruptible power supply.

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