High-low voltage complete equipment for electric power emergency

Abstract

The utility model discloses a high-low voltage complete device for electric power emergency, which belongs to the technical field of electric power supply and distribution complete switch equipment and comprises a preassembled compartment body, a supporting platform is arranged at the bottom of the preassembled compartment body, and two vertical partition plates are arranged in the preassembled compartment body. The partition plates divide the interior of the preassembled compartment into a first compartment, a second compartment and a third compartment, a high-voltage ring main unit is installed in the first compartment, a dry-type transformer is installed in the second compartment, and the dry-type transformer is electrically connected with the high-voltage ring main unit; a low-voltage cabinet is installed in the third compartment, a reactive power compensation module is arranged in the low-voltage cabinet, a wire inlet switch is arranged on one side of the reactive power compensation module, multi-way branch switches are arranged on the lower portion of the wire inlet switch and the lower portion of the reactive power compensation module, and the wire inlet switch is electrically connected with the multi-way branch switches. According to the utility model, a 10kV high-voltage power supply can be connected to the high-voltage ring main unit from the high-voltage quick connector, reaches the shunt switch through the dry-type transformer, and is connected with the user-side distribution box through the low-voltage quick connector, thereby realizing power supply for resident end loads.

Description

Technical Field

[0001] This utility model relates to the field of complete sets of power supply and distribution switchgear, and in particular to a high and low voltage complete set of equipment for power emergency use. Background Technology

[0002] Urban residential community power distribution rooms are mostly 10 / 0.4kV power distribution systems, including 10kV high-voltage switchgear, transformers, and 0.4kV low-voltage switchgear. In the event of heavy rain or sudden equipment failure, the power supply to the community power distribution room is prone to interruption, causing large-scale power outages for community users. Especially in extreme environments, the situation where residents have no power available is more likely to cause a wider impact.

[0003] Currently, most of the existing residential community power distribution rooms have been in operation for a long time or are located in basements. Based on the analysis of unplanned power outages on site, they can be broadly categorized into five types: power outages due to high-voltage power distribution system failures, power outages due to transformer failures, power outages due to low-voltage power distribution system failures, power outages due to failures in both the high-voltage power distribution system and the transformer, and power outages due to failures in the high-voltage power distribution system, the transformer, and the low-voltage power distribution system.

[0004] Traditional emergency power restoration often employs an organizational management approach of "notifying the outage time + urgently repairing the fault point." For localized power supply areas where prolonged power outages are not feasible, emergency power vehicles or diesel generators are used for temporary power supply. This type of emergency power supply is hampered by factors such as long on-site troubleshooting and repair times under extreme conditions and the limited power capacity of temporary power supply devices (power vehicles, diesel generators). It cannot meet the demand for rapidly restoring power to all end users in a community, becoming a common challenge for both power users and maintenance personnel. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a high- and low-voltage complete set of power emergency equipment, which enables rapid power supply and distribution replacement in residential community power distribution rooms under five types of power failure scenarios, improves the efficiency of emergency power restoration and expands the scope of emergency power supply, and provides technical support for rapid power restoration in extreme environments for both users and maintenance personnel.

[0006] The present invention adopts the following technical solution.

[0007] This utility model discloses a high and low voltage complete set of equipment for power emergency use, including: a pre-assembled compartment, characterized in that:

[0008] The pre-assembled compartment has a support platform at its bottom and two vertical partitions inside. The upper and lower ends of all partitions are fixed to the upper and lower inner walls of the pre-assembled compartment. The partitions divide the pre-assembled compartment into a first compartment, a second compartment, and a third compartment. A high-voltage ring main unit is installed in the first compartment, and a dry-type transformer is installed in the second compartment. The dry-type transformer is electrically connected to the high-voltage ring main unit. A low-voltage switchgear is installed in the third compartment. A reactive power compensation module is installed on one side of the low-voltage switchgear. A metering module is installed on top of the reactive power compensation module. An incoming line switch is installed on one side of the reactive power compensation module. A multi-way branch switch is installed below both the incoming line switch and the reactive power compensation module. The incoming line switch and the multi-way branch switch are electrically connected.

[0009] Preferably, the top of the incoming line switch is provided with multiple indicator lights, and a digital display instrument is provided on one side of the indicator lights.

[0010] Preferably, the incoming line side of the incoming line switch is electrically connected to the dry-type transformer through the partition, and the outgoing line side of the incoming line switch is electrically connected to the incoming line side of the fast cable connector and multiple branch switches, respectively.

[0011] Preferably, the quick cable connector is located on the outside of the pre-assembled compartment.

[0012] Preferably, the bottom of the branch switch is provided with an outgoing line side, and the outgoing line side of the branch switch is connected to a low-voltage quick connector.

[0013] Preferably, the output side of the branch switch is connected to a low-voltage quick connector, which is located at the bottom of the third compartment.

[0014] Preferably, the pre-assembled compartment is provided with an opening door on the side, a locking device is provided at one end of the opening door, and multiple heat dissipation windows are provided on the surface of the opening door.

[0015] Preferably, the high-voltage ring main unit is provided with an inlet / outlet point at the bottom, and a high-voltage quick connector is provided at the inlet / outlet point. One end of the high-voltage quick connector extends to the outside of the support platform, while the other side of the high-voltage ring main unit is electrically connected to the dry-type transformer.

[0016] Preferably, the support platform includes a bottom support frame and a top support frame, with columns installed at the four corners of the prefabricated box, and the bottom of the columns passing through the prefabricated box to fix the four corners of the bottom support frame and the top support frame.

[0017] Preferably, multiple vertical support columns are provided between the bottom support frame and the top support frame, and multiple horizontal support columns are provided inside the bottom support frame.

[0018] Compared with the prior art, the beneficial effects of this utility model are that this device connects the 10kV high-voltage power supply to the high-voltage ring network cabinet through the high-voltage quick connector, and then quickly connects to the dry-type transformer, through the quick cable connector to the branch switch, and then through the low-voltage quick connector to the user-end distribution box, thereby supplying power to the end load of residents. This improves the efficiency of emergency power restoration and expands the scope of emergency power supply, providing technical support for rapid power restoration in extreme environments for both the user end and the maintenance end.

[0019] This utility model enables rapid power supply replacement in residential community power distribution rooms under five types of power failure, improving the efficiency of emergency power restoration and expanding the scope of emergency power supply. At the same time, this utility model can form a daisy-chain power supply mode for the high-voltage ring network cabinets in the first compartment, thereby achieving a larger range of 10kV high-voltage power emergency power supply effect.

[0020] Moreover, the modular structure of this utility model is designed for the special circumstances of narrow roads and lack of favorable installation conditions in old residential areas. The first, second, and third compartments can be transported and moved separately multiple times, and can also be flexibly combined and used in uneven installation conditions, making it more suitable for different harsh working conditions.

[0021] Meanwhile, the design dimensions of the pre-assembled box take into account the convenience of easy transportation by ordinary trucks, and it can also be used for power supply equipment for outdoor temporary power supply and emergency repair construction. No on-site civil construction or special construction is required. It can be used immediately after connection, which is efficient and convenient.

[0022] The most prominent advantage of this utility model is that it can be flexibly disassembled and combined with different equipment fault types such as high-voltage distribution cabinets, low-voltage distribution cabinets, and transformers in the community power distribution room to form a new temporary community power supply system for emergency protection. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a high and low voltage complete set of equipment for power emergency use according to this utility model;

[0024] Figure 2 This is a schematic diagram of the high-voltage section of a high- and low-voltage complete set of equipment for power emergency use according to this utility model;

[0025] Figure 3 This is a schematic diagram of the low-voltage section of a high- and low-voltage complete set of equipment for power emergency use according to this utility model;

[0026] Figure 4 A schematic diagram of the support platform of this utility model;

[0027] Figure 5 Structural diagrams of the first, second, and third compartments of this utility model;

[0028] In the diagram: 1. Opening door; 2. Support platform; 20. Bottom support frame; 21. Top support frame; 22. Vertical support column; 23. Horizontal support column; 3. Ventilation window; 4. Locking device; 5. Column; 6. Dry-type transformer; 7. Control button; 8. High-voltage quick connector; 9. High-voltage ring main unit; 10. Indicator light; 11. Metering module; 12. Reactive power compensation module; 13. Branch switch; 14. Low-voltage quick connector; 15. Digital display instrument; 16. Incoming line switch; 17. Quick cable connector; 18. Pre-assembled compartment; 180. Partition; 181. First compartment; 182. Second compartment; 183. Third compartment; 31. High-voltage compartment; 32. Transformer compartment; 33. Low-voltage compartment. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The embodiments described in this application are merely some embodiments of this utility model, not all embodiments. Based on the spirit of this utility model, other embodiments obtained by those skilled in the art without creative effort are all within the protection scope of this utility model.

[0030] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0031] This utility model provides a complete set of high and low voltage emergency power supply devices, which enables rapid power supply and distribution replacement in residential community power distribution rooms under five types of power failures, improves the efficiency of emergency power restoration and the scope of emergency power supply, and provides technical support for rapid power restoration in extreme environments for both users and maintenance personnel.

[0032] like Figures 1-5 As shown, the high and low voltage complete set of power emergency equipment includes: a pre-assembled box 18, a support platform 2 at the bottom of the pre-assembled box 18 for supporting and fixing the pre-assembled box 18, two vertical partitions 180 inside the pre-assembled box 18, all partitions 180 being fixed to the upper and lower inner walls of the pre-assembled box 18 at their upper and lower ends, the partitions 180 dividing the interior of the pre-assembled box 18 into a first compartment 181, a second compartment 182 and a third compartment 183, a high-voltage ring main unit 9 installed in the first compartment 181, a control button 7 on the high-voltage ring main unit 9 for controlling the opening and closing of the high-voltage ring main unit 9, and a dry-type transformer 6 installed in the second compartment 182, which is electrically connected to the high-voltage ring main unit 9.

[0033] The spaces of the first compartment 181, the second compartment 182, and the third compartment 183 decrease sequentially, and these compartments can be separated and combined for flexible use, making them more suitable for various harsh working conditions.

[0034] The third compartment 183 contains a low-voltage switchgear. A reactive power compensation module 12 is installed on one side of the switchgear, and a metering module 11 is installed on the top of the reactive power compensation module 12. The metering module 11 is used to measure the power consumption of the low-voltage switchgear. The metering module 11 can be an electricity meter. The reactive power compensation module 12 is composed of capacitors and reactors. The power factor of the low-voltage switchgear is improved by the reactive power compensation module 12, and the power consumption of the low-voltage switchgear is measured by the metering module 11.

[0035] An incoming line switch 16 is installed on one side inside the low-voltage switchgear. The incoming line switch 16 and the reactive power compensation module 12 are at the same height, and a multi-way branch switch 13 is installed at the bottom of both the incoming line switch 16 and the reactive power compensation module 12. The incoming line switch 16 and the multi-way branch switch 13 are electrically connected. At the same time, multiple indicator lights 10 are installed on the top of the incoming line switch 16 to indicate the opening and closing status of the low-voltage switchgear. A digital display instrument 15 is installed on one side of the indicator lights 10 to display the voltage, current, frequency and power factor of the low-voltage switchgear for easy observation.

[0036] The low-voltage switchgear contains an incoming line switch 16 and eight branch switches 13. The incoming line side of the incoming line switch 16 passes through the partition 180 and is electrically connected to the dry-type transformer 6. The outgoing line side of the incoming line switch 16 is electrically connected to the quick cable connector 17 and the incoming line side of each of the eight branch switches 13. The outgoing line side of each of the eight branch switches 13 is located at the bottom and is connected to the low-voltage quick connector 14.

[0037] Preferably, the number of incoming line switch 16 and branch switch 13 can be adjusted as needed.

[0038] The output side of the branch switch 13 is connected to a low-voltage quick connector 14, and the output side of the incoming switch 16 is connected to a quick cable connector 17. The low-voltage quick connector 14 is located at the bottom of the third compartment 183, and the quick cable connector 17 is located on the outside of the pre-assembled compartment 18.

[0039] like Figure 1 As shown, the pre-assembled compartment 18 has an opening door 1 on its side, and a locking member 4 is provided at one end of the opening door 1. The opening and closing of the opening door 1 is controlled by the locking member 4 to protect the components in the first compartment 181, the second compartment 182 and the third compartment 183. At the same time, the surface of the opening door 1 is provided with multiple heat dissipation windows 3 to ensure that the heat generated by the components in the pre-assembled compartment 18 is dissipated in time, and to avoid the components from overheating due to poor air circulation.

[0040] like Figure 2 As shown, the high-voltage ring main unit 9 has an inlet / outlet port at its bottom, and a high-voltage quick connector 8 is provided at the inlet / outlet port. One end of the high-voltage quick connector 8 extends to the outside of the support platform 2, and the front of the high-voltage ring main unit 9 is electrically connected to the dry-type transformer 6.

[0041] Preferably, the high-voltage ring main unit 9 can be configured as a one-in-three-out circuit. The high-voltage quick connector 8 at the bottom of the high-voltage ring main unit 9 serves as one inlet, connected to a 10kV high-voltage power supply. The front of the high-voltage ring main unit 9 has three cable outlets as three outlets. One cable outlet connects to the high-voltage terminal of the dry-type transformer 6, and the other two cable outlets are reserved for connecting other emergency high and low voltage complete sets of equipment, forming a "hand-in-hand" power transfer system. Alternatively, the high-voltage ring main unit 9 can also be configured as a two-in-two-out circuit. The rear of the high-voltage ring main unit 9 has a high-voltage quick connector 8 and a 10kV cable quick connector as two inlets. The high-voltage quick connector 8 connects to a 10kV high-voltage power supply, and the 10kV cable quick connector connects to a cable. The front of the high-voltage ring main unit 9 has two cable outlets as two outlets. One cable outlet connects to the high-voltage terminal of the dry-type transformer 6, and the other cable outlet is reserved for connecting other emergency high and low voltage complete sets of equipment, forming a "hand-in-hand" power transfer system.

[0042] In a specific embodiment, a 10kV high-voltage power supply is connected to a high-voltage quick connector 8. The high-voltage power supply is connected to a high-voltage ring network cabinet 9 through the high-voltage quick connector 8, and then quickly connected to a dry-type transformer 6. The incoming line side of the incoming line switch 16 passes through a partition 180 and is electrically connected to the dry-type transformer 6. The high-voltage power supply is transmitted to a quick cable connector 17 and a branch switch 13 through the incoming line switch 16, and then connected to the user-end distribution box through a low-voltage quick connector 14, thereby supplying power to the end load of residents. This improves the efficiency of emergency power restoration and expands the scope of emergency power supply, providing technical support for rapid power restoration in extreme environments for both the user end and the maintenance end.

[0043] To improve the stability of the prefabricated container 18, a support platform 2 is provided at the bottom of the prefabricated container 18. The support platform 2 includes a bottom support frame 20 and a top support frame 21. Columns 5 are provided at the four corners of the prefabricated container 18, and the bottom of the columns 5 passes through the prefabricated container 18 to fix the four corners of the bottom support frame 20 and the top support frame 21.

[0044] like Figure 4 As shown, multiple vertical support columns 22 are provided between the bottom support frame 20 and the top support frame 21. Inside the bottom support frame 20, a front-to-back horizontal support column 23 and three left-to-right horizontal support columns 23 are provided, which further improves the stability of the frame.

[0045] Preferably, the number of horizontal support columns in any direction can be adjusted.

[0046] Preferably, the outer surface of the prefabricated compartment 18 is configured as a continuous concave-convex plate structure from bottom to top, which improves the durability of the prefabricated compartment 18. The prefabricated compartment 18 can be configured as a flat-top cuboid shape.

[0047] To enable those skilled in the art to better understand this solution, the following describes the emergency power supply methods for five types of power outages in a residential community's power distribution room. The specific implementation scheme is as follows:

[0048] Firstly, when the high-voltage power distribution system of the residential area fails and loses power, but the transformer and low-voltage power distribution system can still function normally, the high-voltage quick connector 8 pre-installed at the bottom of the high-voltage ring main unit 9 is connected to a 10kV high-voltage power supply vehicle or a nearby 10kV power source. This allows the high-voltage power supply to be connected to the power distribution system of the high-voltage ring main unit 9 and then to the dry-type transformer 6. Then, by connecting the high-voltage ring main unit 9 to the high-voltage side of the transformer in the residential area's power distribution room, power is supplied to the residential building boxes and end loads through the low-voltage side of the transformer and the low-voltage power distribution system in the residential area's power distribution room.

[0049] Secondly, when the transformer fails and loses power, both the high-voltage and low-voltage power distribution systems can still operate normally. To address this issue, the 10kV power supply from the distribution room is connected to the distribution system of the high-voltage ring main unit 9 via a pre-installed high-voltage quick-connect connector 8 at the bottom. This power supply is then connected to the high-voltage side of the dry-type transformer 6 via the high-voltage ring main unit 9, and finally to the quick-connect cable connector 17 via the incoming line switch 16 connected to the low-voltage side of the dry-type transformer 6. The quick-connect cable connector 17 then connects to the low-voltage distribution system in the distribution room to supply power to the residential building boxes and end loads.

[0050] Thirdly, in the event of a power outage due to a low-voltage power distribution system failure, the high-voltage power distribution system and transformer can still function normally. To address this situation, the high-voltage power distribution system in the community's distribution room and the dry-type transformer 6 are utilized. A pre-fabricated low-voltage cable is connected at one end to the low-voltage side of the dry-type transformer 6, and the other end is connected to a quick-connect cable connector 17. This cable is then connected via an incoming switch 16 and multiple branch switches 13. The branch switches 13 are connected to the building boxes in the residential buildings via multiple low-voltage quick connectors 14 to supply power to the end loads.

[0051] Fourthly, both the high-voltage power distribution system and the transformer fail and lose power, while the low-voltage power distribution system remains operational. In this scenario, the low-voltage power distribution system in the community's distribution room is utilized. A 10kV high-voltage power supply vehicle or a nearby 10kV power source is connected to the distribution system of the high-voltage ring main unit 9 via a pre-installed high-voltage quick connector 8 at the bottom of the ring main unit 9. This power source is then connected to the high-voltage side of the dry-type transformer 6 via the high-voltage ring main unit 9, and then to the incoming line switch 16 via the low-voltage side of the dry-type transformer 6. Finally, a quick cable connector 17 connects to the low-voltage power distribution system in the distribution room, thus supplying power to the residential building boxes and end loads.

[0052] Fifthly, the high-voltage distribution system, low-voltage distribution system, and transformer all fail and lose power. To address this, the low-voltage distribution system in the community's distribution room is utilized. A 10kV high-voltage power supply vehicle or a nearby 10kV power source is connected to the distribution system of the high-voltage ring main unit 9 via a pre-installed high-voltage quick connector 8 at the bottom of the high-voltage ring main unit 9. This power source is then connected to the high-voltage side of the dry-type transformer 6 via the high-voltage ring main unit 9, and then to the incoming line switch 16 via the low-voltage side of the dry-type transformer 6. Multiple low-voltage quick connectors 14 are then connected to the building's distribution box via multiple branch switches 13 to supply power to the residents' end loads.

[0053] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and incorporate common knowledge or customary techniques in the art disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of this application is indicated by the claims.

[0054] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The embodiments of this application described above do not constitute a limitation on the scope of protection of this application.

[0055] Compared with the prior art, the beneficial effects of this utility model are that this device connects the 10kV high-voltage power supply to the high-voltage ring network cabinet through the high-voltage quick connector, and then quickly connects to the dry-type transformer, through the quick cable connector to the branch switch, and then through the low-voltage quick connector to the user-end distribution box, thereby supplying power to the end load of residents. This improves the efficiency of emergency power restoration and expands the scope of emergency power supply, providing technical support for rapid power restoration in extreme environments for both the user end and the maintenance end.

[0056] This utility model enables rapid power supply replacement in residential community power distribution rooms under five types of power failure, improving the efficiency of emergency power restoration and expanding the scope of emergency power supply. At the same time, this utility model can form a daisy-chain power supply mode for the high-voltage ring network cabinets in the first compartment, thereby achieving a larger range of 10kV high-voltage power emergency power supply effect.

[0057] Moreover, the modular structure of this utility model is designed for the special circumstances of narrow roads and lack of favorable installation conditions in old residential areas. The first, second, and third compartments can be transported and moved separately multiple times, and can also be flexibly combined and used in uneven installation conditions, making it more suitable for different harsh working conditions.

[0058] Meanwhile, the design dimensions of the pre-assembled box take into account the convenience of easy transportation by ordinary trucks, and it can also be used for power supply equipment for outdoor temporary power supply and emergency repair construction. No on-site civil construction or special construction is required. It can be used immediately after connection, which is efficient and convenient.

[0059] The most prominent advantage of this utility model is that it can be flexibly disassembled and combined with different equipment fault types such as high-voltage distribution cabinets, low-voltage distribution cabinets, and transformers in the community power distribution room to form a new temporary community power supply system for emergency protection.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model should be covered within the protection scope of the claims of this utility model.

Claims

1. An emergency power supply high-low voltage complete set, comprising: The preloading compartment (18) is characterized in that: The bottom of the preloading compartment (18) is provided with a support platform (2), two vertical partitions (180) are arranged in the preloading compartment (18), the upper and lower ends of all the partitions (180) are fixedly connected with the upper and lower inner walls of the preloading compartment (18), the partitions (180) divide the preloading compartment (18) into a first compartment (181), a second compartment (182) and a third compartment (183), a high-voltage ring main unit (9) is arranged in the first compartment (181), a dry-type transformer (6) is arranged in the second compartment (182), the dry-type transformer (6) is electrically connected with the high-voltage ring main unit (9); a low-voltage cabinet is arranged in the third compartment (183), a reactive power compensation module (12) is arranged on one side of the low-voltage cabinet, a metering module (11) is arranged on the top of the reactive power compensation module (12), an incoming line switch (16) is arranged on one side of the reactive power compensation module (12), and the incoming line switch (16) and the reactive power compensation module (12) are both provided with multiple shunt switches (13) at the lower part, and the incoming line switch (16) and the multiple shunt switches (13) are electrically connected.

2. The high-low voltage complete device for power emergency according to claim 1, characterized in that: Multiple indicator lights (10) are arranged on the top of the incoming line switch (16), and a digital display instrument (15) is arranged on one side of the indicator lights (10).

3. The high-low voltage complete device for power emergency according to claim 1, characterized in that: The incoming line side of the incoming line switch (16) is electrically connected with the dry-type transformer (6) through the partition (180), and the outgoing line side of the incoming line switch (16) is electrically connected with a quick cable joint (17) and the incoming line sides of multiple shunt switches (13) respectively.

4. The high-low voltage complete device for power emergency according to claim 3, characterized in that: The quick cable joint (17) is arranged on the outside of the preloading compartment (18).

5. The high-low voltage complete device for power emergency according to claim 1, characterized in that: The outgoing line sides of the shunt switches (13) are connected with low-voltage quick joints (14).

6. The high-low voltage complete device for power emergency according to claim 3, characterized in that: The outgoing line sides of the shunt switches (13) are connected with low-voltage quick joints (14), and the low-voltage quick joints (14) are arranged at the bottom of the third compartment (183).

7. The high-low voltage complete device for power emergency according to claim 1, characterized in that: An opening door (1) is arranged on the side of the preloading compartment (18), a locking member (4) is arranged on one end of the opening door (1), and multiple heat dissipation windows (3) are arranged on the surface of the opening door (1).

8. The high-low voltage complete device for power emergency according to claim 1, characterized in that: An incoming and outgoing line part is arranged at the bottom of the high-voltage ring main unit (9), a high-voltage quick joint (8) is arranged at the incoming and outgoing line part, one end of the high-voltage quick joint (8) extends to the outside of the support platform (2), and the other side of the high-voltage ring main unit (9) is electrically connected with the dry-type transformer (6).

9. The high and low voltage complete device for power emergency according to claim 1, characterized in that: The support platform (2) comprises a bottom support frame (20) and a top support frame (21), and the prefabricated compartment (18) is provided with a stand column (5) at four corners, and the bottom of the stand column (5) is fixed to the four corners of the bottom support frame (20) and the top support frame (21) through the prefabricated compartment (18).

10. The high and low voltage complete device for power emergency according to claim 9, characterized in that: A plurality of vertical support columns (22) are arranged between the bottom support frame (20) and the top support frame (21), and a plurality of horizontal support columns (23) are arranged inside the bottom support frame (20).

Images