Nuclear power plant control device for sleeve extraction and insertion operations

CN224889310UActive Publication Date: 2026-10-23YANGJIANG NUCLEAR POWER +1
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Patent Information

Application Number
CN202522424350.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-14
Publication Date
2026-10-23
Estimated Expiration
2035-11-14

AI Technical Summary

Technical Problem

[0002]核电设备维护保养期间,需要对 R141/R181 厂房(以下称为 RIC 厂房)内 RIC指套管进行抽出和插入操作,RIC厂房内设备多,有较复杂的管路交错穿插,能利用的空间狭窄,不易摆放大型设备,如果采用核电厂指套管抽插作业设备进行抽插指套管作业,当采用两台核电厂指套管抽插作业设备作业时,每个核电厂指套管抽插作业设备配置一个电控柜,会占用现场空间,不利于工作的展开,此外,多个电控柜布线也会造成现场部件繁杂,会导致工作人员行动不方便

Benefits of technology

[0014]实施本实用新型具有以下有益效果:该核电厂指套管抽插作业设备控制装置内部器件设置紧凑,有效提高空间利用率,继而减少机械尺寸,使得该核电厂指套管抽插作业设备控制装置能够应用于狭窄作业空间,且该核电厂指套管抽插作业设备控制装置能应用于两台核电厂指套管抽插作业设备作业,实用性更好。

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Abstract

The utility model discloses a nuclear power plant finger sleeve pipe pull -insert operation equipment control device, it includes installation box, first power module, second power module, main control unit, first motor driver, second motor driver and driver power module, second side plate still is equipped with first interface and second interface, and first interface is connected with first motor driver, and second interface is connected with second motor driver, second side plate is equipped with power interface, and first power module, second power module, driver power module all are connected with power interface, and first power module still is connected with first interface, second interface, and driver power module is connected with first motor driver, second motor driver, and second power module is connected with main control unit, and internal device sets up compact, effectively improves space utilization, then reduces mechanical size, makes this device can be applied to narrow operation space, and this device can be applied to two nuclear power plant finger sleeve pipe pull -insert operation equipment operation, and the practicality is better.
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Description

Technical Field

[0001] This utility model relates to the field of nuclear power technology, and in particular to a control device for the insertion and removal of finger sleeves in nuclear power plants. Background Technology

[0002] During the maintenance of nuclear power equipment, it is necessary to perform extraction and insertion operations on RIC finger sleeves in the R141 / R181 plant (hereinafter referred to as RIC plant). The RIC plant contains a lot of equipment and has a complex network of interwoven pipes. The available space is narrow and it is not easy to place large equipment. If nuclear power plant finger sleeve extraction and insertion equipment is used for the extraction and insertion operations, when two nuclear power plant finger sleeve extraction and insertion equipment are used, each nuclear power plant finger sleeve extraction and insertion equipment is equipped with an electrical control cabinet, which will occupy the site space and is not conducive to the work. In addition, the wiring of multiple electrical control cabinets will also make the site components complicated and cause inconvenience to the staff. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a control device for the insertion and removal of finger sleeves in nuclear power plants, so as to solve the technical problem that the electrical control cabinet occupies a narrow space on site.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to construct a control device for the insertion and removal of finger sleeves in a nuclear power plant, including an installation box, a first power module, a second power module, a main controller, a first motor driver, a second motor driver and a driver power module; The installation box includes a detachably connected box body and a box cover; the box body includes a bottom plate and a first side plate, a second side plate, a third side plate and a fourth side plate connected to the bottom plate, the first side plate, the second side plate, the third side plate and the fourth side plate are connected in sequence, the first side plate and the third side plate are arranged in parallel and spaced apart, and the second side plate and the fourth side plate are arranged in parallel and spaced apart. The first power module, the second power module, and the main controller are mounted on the base plate and arranged sequentially from the side closest to the first side plate toward the third side plate. The first motor driver and the second motor driver are disposed on the base plate and located between the main controller and the third side plate; the first motor driver is disposed near the second side plate and the second motor driver is disposed near the fourth side plate; the second side plate is also provided with a first interface and a second interface, the first interface being connected to the first motor driver and the second interface being connected to the second motor driver; The driver power module is mounted on the base plate and located near the second side plate. The second side plate is provided with a power interface. The first power module, the second power module, and the driver power module are all connected to the power interface. The first power module is also connected to the first interface and the second interface. The driver power module is connected to the first motor driver and the second motor driver. The second power module is connected to the main controller.

[0005] In some embodiments, the control device for the nuclear power plant finger sleeve insertion and removal operation equipment further includes a first temperature transmitter and a second temperature transmitter. The first temperature transmitter and the second temperature transmitter are disposed on the base plate and are arranged sequentially from the side plate to the first power module side. The first temperature transmitter is connected to the first interface, and the second temperature transmitter is connected to the second interface. The main controller is connected to the first temperature transmitter and the second temperature transmitter.

[0006] In some embodiments, the first power module is a 5V power module, the second power module is a 24V power module, and the driver power module is a 48V power module.

[0007] In some embodiments, both the first side plate and the third side plate are provided with heat dissipation mesh; The control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a fan, which is located inside the first side plate and the third side plate; The control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a first relay, which is installed on the base plate and located between the second power module and the main controller. The first relay is connected to the second power module and the fan. The main controller is connected to the first relay.

[0008] In some embodiments, the control device for the nuclear power plant finger sleeve insertion and removal operation equipment further includes a second relay and a third relay. The second relay and the third relay are both located between the second power module and the main controller. The second relay and the third relay are both connected to the main controller. The second relay is connected to the first interface, and the third relay is connected to the second interface.

[0009] In some embodiments, the control device for the nuclear power plant finger tube insertion and removal operation equipment further includes a plurality of movable wheels disposed on the base plate.

[0010] In some embodiments, the lid is further provided with a push handle structure; the push handle structure includes a first mounting base, a second mounting base, and a connecting rod; The first mounting base and the second mounting base are arranged parallel to each other at a distance, and the connecting rod connects the first mounting base and the second mounting base.

[0011] In some embodiments, the master controller includes a PLC master controller.

[0012] In some embodiments, both the first interface and the second interface are aircraft plug interfaces.

[0013] In some embodiments, the control device for the nuclear power plant finger sleeve insertion and removal operation equipment further includes an incoming line contactor. The incoming line contactor is disposed on the base plate and located between the first side plate and the driver power module. The incoming line contactor is connected to the power interface. The first power module, the second power module, and the driver power module are all connected to the incoming line contactor.

[0014] The present invention has the following advantages: the internal components of the control device for the nuclear power plant finger sleeve insertion and removal operation are compact, which effectively improves the space utilization rate and reduces the mechanical size. This allows the control device to be used in narrow working spaces, and it can be used for the operation of two nuclear power plant finger sleeve insertion and removal operation devices, making it more practical. Attached Figure Description

[0015] To more clearly illustrate the technical solution of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of this utility model and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort. In the drawings: Figure 1 This is one of the structural schematic diagrams of the control device for the nuclear power plant finger tube insertion and removal operation equipment in some embodiments of this utility model; Figure 2 This is the second schematic diagram of the control device for the nuclear power plant finger tube insertion and removal operation equipment in some embodiments of this utility model; Figure 3 This is the third schematic diagram of the control device for the nuclear power plant finger tube insertion and removal operation equipment in some embodiments of this utility model; Figure 4 This is a partial structural schematic diagram of the control device for the nuclear power plant finger sleeve insertion and removal operation equipment in some embodiments of this utility model; Figure 5 This is an application principle diagram of the control device for the nuclear power plant finger sleeve insertion and removal operation equipment in some embodiments of this utility model. Detailed Implementation

[0016] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "front," "rear," "upper," "lower," "left," "right," "longitudinal," "horizontal," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," and "tail" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0017] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0018] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0019] See Figures 1 to 5This utility model discloses a control device for nuclear power plant finger sleeve insertion and removal equipment. The control device can also be defined as an electrical control box or electrical control cabinet for nuclear power plant finger sleeve insertion and removal equipment. The control device can be used to control the operation of nuclear power plant finger sleeve insertion and removal equipment 100. The nuclear power plant finger sleeve insertion and removal equipment 100 has a display screen 101, an operating element 102, and a drive motor 103. The operating element 102 can be several operating buttons. One control device can control the operation of two nuclear power plant finger sleeve insertion and removal equipment 100.

[0020] The control device for the insertion and removal of the nuclear power plant's finger tube includes a mounting box 10, a first power module 21, a second power module 22, a main controller 23, a first motor driver 24, a second motor driver 25, and a driver power module 26.

[0021] The mounting box 10 includes a detachably connected box body 11 and a box cover 12. The box body 11 includes a base plate 111 and a first side plate 112, a second side plate 113, a third side plate 114, and a fourth side plate 115 connected to the base plate 111. The first side plate 112, the second side plate 113, the third side plate 114, and the fourth side plate 115 are connected sequentially. The first side plate 112 and the third side plate 114 are arranged parallel and spaced apart, and the second side plate 113 and the fourth side plate 115 are arranged parallel and spaced apart. The box body 11 can be a one-piece structure, and the box cover 12 can be connected by a latch or fastening bolts.

[0022] The first power module 21, the second power module 22, and the main controller 23 are mounted on the base plate 111 and arranged sequentially from the side closest to the first side plate 112 toward the third side plate 114. The base plate 111 may be provided with mounting rails. The first power module 21, the second power module 22, and the main controller 23 are mounted on the mounting rails. The rail-mounted installation effectively reduces the internal space occupied by the control device of the nuclear power plant's finger sleeve insertion and removal operation equipment.

[0023] The first motor driver 24 and the second motor driver 25 are mounted on the base plate 111 and located between the main controller 23 and the third side plate 114. The first motor driver 24 is positioned closer to the second side plate 113, and the second motor driver 25 is positioned closer to the fourth side plate 115. The second side plate 113 is also provided with a first interface 30 and a second interface 40. The first interface 30 is connected to the first motor driver 24, and the second interface 40 is connected to the second motor driver 25. The first interface 30 and the second interface 40 can be used to connect to the nuclear power plant's finger sleeve insertion and removal equipment to provide working power and transmit signals to the equipment.

[0024] The driver power module 26 is generally rectangular columnar in shape. It is mounted on the base plate 111 and positioned close to the second side plate 113, and is generally parallel to the second side plate 113. The second side plate 113 is provided with a power interface 50, to which the first power module 21, the second power module 22, and the driver power module 26 are all connected. The first power module 21 is also connected to the first interface 30 and the second interface 40. The driver power module 26 is connected to the first motor driver 24 and the second motor driver 25, and the second power module 22 is connected to the main controller 23.

[0025] The control device for the nuclear power plant finger sleeve insertion and removal operation equipment has a compact internal component layout and a high degree of integration, which effectively improves space utilization and reduces mechanical size. This allows the control device to be used in narrow working spaces, and it can be used to operate two nuclear power plant finger sleeve insertion and removal operation equipment, making it more practical.

[0026] like Figure 4 As shown, in some embodiments, the control device for the nuclear power plant finger sleeve insertion and removal operation equipment further includes a first temperature transmitter 27 and a second temperature transmitter 28. The first temperature transmitter 27 and the second temperature transmitter 28 are mounted on the base plate 111 and sequentially arranged from near the first side plate 112 towards the first power module 21. The first temperature transmitter 27 is connected to the first interface 30; the second temperature transmitter 28 is connected to the second interface 40; and the main controller 23 is connected to both the first temperature transmitter 27 and the second temperature transmitter 28. The first temperature transmitter 27 can be used to communicate with a temperature sensor on the motor of the nuclear power plant finger sleeve insertion and removal operation equipment. The second temperature transmitter 28 can be used to communicate with a temperature sensor on the motor 103 of the nuclear power plant finger sleeve insertion and removal operation equipment 100.

[0027] In some embodiments, the first power module 21 is a 5V power module, the second power module 22 is a 24V power module, and the driver power module 26 is a 48V power module.

[0028] like Figures 1 to 4As shown, in some embodiments, both the first side plate 112 and the third side plate 114 are provided with heat dissipation mesh holes; the control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a fan 29, which is located inside the first side plate 112 and the third side plate 114; the control device also includes a first relay 210, which is mounted on the base plate 111 and located between the second power module 22 and the main controller 23, and is connected to the second power module 22 and the fan 29; the main controller 23 is connected to the first relay 210. Preferably, the inlet and outlet of the fan 29 can be provided with dustproof nets to effectively prevent external foreign objects from entering the interior of the nuclear power plant finger sleeve insertion and removal operation equipment control device.

[0029] Preferably, there are four fans 29, all of which are connected to the first relay 210. Two fans 29 are located on the inner side of the first side plate 112, and another two fans 29 are located on the inner side of the third side plate 114. Of course, the number and location of the fans 29 can be selected according to actual needs, and no specific limitation is made here.

[0030] like Figure 4 As shown, in some embodiments, the control device for the nuclear power plant finger sleeve insertion / removal operation equipment further includes a second relay 211 and a third relay 212. Both the second relay 211 and the third relay 212 are located between the second power module 22 and the main controller 23. Both the second relay 211 and the third relay 212 are connected to the main controller 23. The second relay 211 is connected to the first interface 30, and the third relay 212 is connected to the second interface 40. The second relay 211 and the third relay 212 can be respectively used to connect to the fans on two nuclear power plant finger sleeve insertion / removal operation equipment 100.

[0031] The first relay 210, the second relay 211 and the third relay 212 can be arranged sequentially from the side closest to the second power module 22 toward the side closest to the main controller 23.

[0032] like Figures 1 to 4 As shown, in some embodiments, the control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a plurality of casters 13 disposed on the base plate 111. The casters 13 may be omnidirectional wheels with braking function. The casters 13 facilitate the movement of the control device for the nuclear power plant finger sleeve insertion and removal operation equipment. Preferably, the number of casters 13 may be four, and the four casters 13 are disposed at the four opposite corners of the base plate 111.

[0033] In some embodiments, the cover 12 is further provided with a push handle structure 14; the push handle structure 14 includes a first mounting base 141, a second mounting base 142, and a connecting rod 143. The first mounting base 141 and the second mounting base 142 are arranged parallel to each other at a distance, and the connecting rod 143 connects the first mounting base 141 and the second mounting base 142. The number of push handle structures 14 can be two, as can be referred to... Figures 1 to 4 As shown.

[0034] In some embodiments, the main controller 23 includes a PLC main controller. The PLC main controller can be selected from the EASY series, which features easy networking, easy expansion, and modularity. It also offers high stability while being easy to use and adjust.

[0035] In some embodiments, the first motor driver 24 and the second motor driver 25 may be brushless motor drivers from Aiscon. During device operation, the feedback current and speed can be read in real time to achieve the purpose of monitoring the device.

[0036] like Figure 1 and Figure 2 As shown, in some embodiments, the first interface 30 and the second interface 40 are located at the upper part of the second side plate 113, and the power interface 50 is located at the lower part of the second side plate 113, which can effectively reduce interference between the device and the upper connecting cable during operation. The power interface 50 can use a standard 220V / 10A power socket, which can adapt to most field power supply scenarios without the need for a separate power supply line.

[0037] like Figure 1 and Figure 2 As shown, in some embodiments, both the first interface 30 and the second interface 40 are aviation plug interfaces. Each nuclear power plant's sleeve insertion and removal equipment uses only one aviation plug interface, effectively reducing on-site equipment assembly and connection time.

[0038] like Figure 4 As shown, in some embodiments, the control device for the nuclear power plant finger tube insertion and removal operation equipment also includes an incoming line contactor 213. The incoming line contactor 213 is disposed on the base plate 111 and located between the first side plate 112 and the driver power module 26. The incoming line contactor 213 is connected to the power interface 50. The first power module 21, the second power module 22, and the driver power module 26 are all connected to the incoming line contactor 213.

[0039] In some embodiments, the first power module 21, the second power module 22, the main controller 23, the first motor driver 24, the second motor driver 25, the driver power module 26, the first temperature transmitter 27 and the second temperature transmitter 28, the fan 29, the first relay 210, the second relay 211 and the third relay 212, and the incoming contactor 213 constitute the electrical components 20 of the control device for the nuclear power plant's finger sleeve insertion and removal operation equipment.

[0040] In some embodiments, the first power module 21, the second power module 22, the main controller 23, the first motor driver 24, the second motor driver 25, the driver power module 26, the first temperature transmitter 27 and the second temperature transmitter 28, the fan 29, the first relay 210, the second relay 211 and the third relay 212, and the incoming contactor 213 can be fixed by fastening bolts or the like. Alternatively, the first power module 21, the second power module 22, the main controller 23, the first motor driver 24, the second motor driver 25, the driver power module 26, the first temperature transmitter 27 and the second temperature transmitter 28, the fan 29, the first relay 210, the second relay 211 and the third relay 212, and the incoming contactor 213 can be fixed by locking plates or the like to improve the stability of the equipment position.

[0041] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A control device for the insertion and removal of finger sleeves in a nuclear power plant, characterized in that, It includes a mounting box (10), a first power module (21), a second power module (22), a main controller (23), a first motor driver (24), a second motor driver (25), and a driver power module (26). The mounting box (10) includes a detachably connected box body (11) and a box cover (12); the box body (11) includes a bottom plate (111) and a first side plate (112), a second side plate (113), a third side plate (114) and a fourth side plate (115) connected to the bottom plate (111). The first side plate (112), the second side plate (113), the third side plate (114) and the fourth side plate (115) are connected in sequence. The first side plate (112) and the third side plate (114) are arranged in parallel and spaced apart. The second side plate (113) and the fourth side plate (115) are arranged in parallel and spaced apart. The first power module (21), the second power module (22), and the main controller (23) are mounted on the base plate (111) and arranged sequentially from the side closest to the first side plate (112) toward the third side plate (114); The first motor driver (24) and the second motor driver (25) are disposed on the base plate (111) and located between the main controller (23) and the third side plate (114); the first motor driver (24) is disposed near the second side plate (113), and the second motor driver (25) is disposed near the fourth side plate (115); the second side plate (113) is also provided with a first interface (30) and a second interface (40), the first interface (30) is connected to the first motor driver (24), and the second interface (40) is connected to the second motor driver (25); The driver power module (26) is mounted on the base plate (111) and located near the second side plate (113). The second side plate (113) is provided with a power interface (50). The first power module (21), the second power module (22), and the driver power module (26) are all connected to the power interface (50). The first power module (21) is also connected to the first interface (30) and the second interface (40). The driver power module (26) is connected to the first motor driver (24) and the second motor driver (25). The second power module (22) is connected to the main controller (23).

2. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, The control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a first temperature transmitter (27) and a second temperature transmitter (28). The first temperature transmitter (27) and the second temperature transmitter (28) are mounted on the base plate (111) and are arranged sequentially from the side plate (112) towards the first power module (21). The first temperature transmitter (27) is connected to the first interface (30). The second temperature transmitter (28) is connected to the second interface (40). The main controller (23) is connected to the first temperature transmitter (27) and the second temperature transmitter (28).

3. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, The first power module (21) is a 5V power module, the second power module (22) is a 24V power module, and the driver power module (26) is a 48V power module.

4. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, Both the first side plate (112) and the third side plate (114) are provided with heat dissipation mesh holes; The control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a fan (29), which is located inside the first side plate (112) and the third side plate (114); The control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes a first relay (210), which is installed on the base plate (111) and located between the second power module (22) and the main controller (23). The first relay (210) is connected to the second power module (22) and the fan (29). The main controller (23) is connected to the first relay (210).

5. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 3, characterized in that, The control device for the nuclear power plant finger tube insertion and removal operation equipment also includes a second relay (211) and a third relay (212). The second relay (211) and the third relay (212) are both located between the second power module (22) and the main controller (23). The second relay (211) and the third relay (212) are both connected to the main controller (23). The second relay (211) is connected to the first interface (30), and the third relay (212) is connected to the second interface (40).

6. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 3, characterized in that, The control device for the nuclear power plant finger tube insertion and removal operation also includes several moving wheels (13) mounted on the base plate (111).

7. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, The box cover (12) is also provided with a push handle structure (14); the push handle structure (14) includes a first mounting base (141), a second mounting base (142) and a connecting rod (143). The first mounting base (141) and the second mounting base (142) are arranged parallel to each other at a distance, and the connecting rod (143) connects the first mounting base (141) and the second mounting base (142).

8. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, The main controller (23) includes a PLC main controller.

9. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, Both the first interface (30) and the second interface (40) are aircraft plug interfaces.

10. The control device for the insertion and removal of the nuclear power plant finger sleeve as described in claim 1, characterized in that, The control device for the nuclear power plant finger sleeve insertion and removal operation equipment also includes an incoming line contactor (213). The incoming line contactor (213) is located on the base plate (111) and between the first side plate (112) and the driver power module (26). The incoming line contactor (213) is connected to the power interface (50). The first power module (21), the second power module (22), and the driver power module (26) are all connected to the incoming line contactor (213).