CN205029223U - Movable type transformer station - Google Patents

Abstract

The embodiment of the utility model provides a mobile substation, which is used for quickly assembling separately transported car bodies during use. A technical solution of a mobile substation in the embodiment of the utility model includes: a 110KV high-voltage switch car, a 110KV transformer, a mains switch car and a 10KV medium-voltage switch car; the 110KV high-voltage switch car is fixed with a HGIS combined electrical appliance; the 110KV The transformer and the main switch car include a transformer and an AC and DC power supply integrated cabinet. The high-voltage side bushing of the transformer is connected to the overhead wire of the outlet bushing of the HGIS combined electrical appliance, and the low-voltage side bushing of the transformer is connected to the AC-DC power supply. The integrated power supply cabinet is connected; the integrated AC and DC power supply cabinet is connected with the 10KV medium voltage switch car by aviation plugs.

Description

A mobile substation

technical field

The embodiment of the utility model relates to the technical field of substations, in particular to a mobile substation.

Background technique

Mobile substations are generally manufactured in a modular manner and are moved by vehicles. They have the characteristics of compact structure, convenient transportation, complete equipment, flexibility and reliability, and convenient maintenance. At the same time, they can save capital investment in land acquisition, civil engineering, and equipment installation. They are suitable for Urban public power distribution, residential quarters, industrial and mining enterprises, construction sites and other places can meet emergency power supply needs in emergency repairs and natural disasters, and can also serve as an emergency response to temporary equipment power outages caused by power grid power supply systems during substation technical transformation spare.

The mobile substation refers to moving the equipment of the traditional substation from the ground to the trailer, so as to realize its "mobility". The mobile substation mainly includes high-voltage power distribution devices, main transformers, low-voltage power distribution devices, intelligent protection communication devices and other equipment. The device, the intelligent protection communication device and the station power supply device are fixedly installed on another car body

The defect of the prior art is that when the mobile substation is being transported, the vehicle bodies are connected to each other and transported as a whole, and cannot be transported separately and assembled quickly.

Utility model content

The embodiment of the utility model provides a mobile substation, which is used for quickly assembling separately transported car bodies during use.

A technical solution of a mobile substation in an embodiment of the present invention includes:

110KV high voltage switch car, 110KV transformer and main road switch car and 10KV medium voltage switch car;

The 110KV high-voltage switch car is fixed with HGIS combined electrical appliances;

The 110KV transformer and mains switch car include a transformer and an AC/DC power supply integrated cabinet. The high-voltage side bushing of the transformer is connected to the overhead wire of the outlet bushing of the HGIS combined electrical appliance, and the low-voltage side bushing of the transformer is connected to the The AC and DC power integrated cabinet connection;

The integrated AC and DC power supply cabinet is connected to the 10KV medium voltage switch car by an aviation plug.

Preferably,

The shell of the integrated AC and DC power supply cabinet is provided with a wall bushing, and the cable connected to the low voltage side bushing is connected to the wall bushing so that the low voltage side bushing of the transformer is connected to the AC/DC Connect to the integrated power cabinet.

Preferably,

The cable includes a plurality of arched protrusions, and the arched protrusions are equidistantly spaced.

Preferably,

Three wall-through bushings are arranged on the shell of the integrated AC and DC power supply cabinet, parallel to the cables connected to the three wall-through bushings.

Preferably,

The 110KV transformer and mains switch car also include a neutral point connection device, and the neutral point connection device is located between the transformer and the integrated AC and DC power supply cabinet.

Preferably,

The neutral point connection device includes a rotatable base and a connection knife switch located on the rotatable base.

Preferably,

The 110K high-voltage switch car, the 110KV transformer and mains switch car, and the 10KV medium-voltage switch car are respectively equipped with collision recorders.

Preferably,

A rubber pad is provided between the HGIS combined electrical appliance and the 110KV high-voltage switch car.

Preferably,

A rubber pad is provided between the transformer and the 110KV transformer and mains switch car.

Preferably,

Rubber pads are provided on the four corners of the integrated AC and DC power supply cabinet that are in contact with the 110KV transformer and the bus switch car.

The beneficial effect of adopting the above-mentioned technical scheme is:

The mobile substation in the embodiment of the utility model includes a 110KV high-voltage switch car, a 110KV transformer and a main road switch car, and a 10KV medium-voltage switch car; the 110KV high-voltage switch car is fixed with HGIS combined electrical appliances; the 110KV transformer and the main road switch car include a transformer The integrated cabinet with AC and DC power supply, the high-voltage side bushing of the transformer and the outlet bushing of the HGIS combined electrical appliance are connected through overhead wires to realize the rapid combination of the 110KV high-voltage switch car, the 110KV transformer and the main road switch car, and the AC and DC power integrated cabinet and the 10KV The medium-voltage switch car is connected by aviation plug-in head, which can realize the rapid combination of 110KV transformer and main road switch car and 10KV medium-voltage switch car.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a structural diagram of a mobile substation according to an embodiment of the present invention.

detailed description

The embodiment of the utility model provides a mobile substation, which is used for quickly assembling separately transported car bodies during use.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, a technical solution of a mobile substation according to the embodiment of the present invention includes:

110KV high voltage switch car 1, 110KV transformer and main road switch car 2 and 10KV medium voltage switch car;

110KV high-voltage switch car 1 is fixed with HGIS combined electrical appliance 3, which includes circuit breaker, combined isolating grounding switch, built-in current transformer (the external current transformer is busbar penetration type), voltage transformer, and insulating bushing for incoming and outgoing lines It is a complete set of switchgear composed of components such as closed in a grounded metal shell, filled with a certain pressure of SF6 gas as the insulating medium and arc extinguishing medium. The 3AP1DTC-SM2 circuit breaker is a sub-tank structure and the three phases share a spring operating mechanism for mechanical linkage operation; the isolating switch/grounding switch (three-position) is equipped with a motor operating mechanism.

The 110KV transformer and the main switch car 2 include the transformer 4 and the integrated AC and DC power supply cabinet 5. The high-voltage side bushing of the transformer 4 is connected to the overhead wire 6 of the outlet bushing of the HGIS combined electrical appliance, and the low-voltage side bushing of the transformer 4 is connected to the AC and DC power supply. One cabinet 5 connections;

The integrated AC and DC power supply cabinet 5 is connected with the 10KV medium voltage switch car by an aviation plug.

Preferably,

The casing of the integrated AC and DC power supply cabinet 5 is provided with a wall bushing, and the cable connected to the low voltage side bushing is connected to the wall bushing, so that the low voltage side bushing of the transformer 4 is connected to the integrated AC and DC power supply cabinet 5 .

Preferably,

The cable includes a plurality of arched protrusions, and the arched protrusions are arranged at equidistant intervals, and the shockproof performance of the cable is increased by setting the cable as a plurality of arched protrusions.

Preferably,

The shell of the integrated AC and DC power supply cabinet 5 is provided with three wall-through bushings, which are parallel to the cables connected to the three wall-through bushings.

Preferably,

The 110KV transformer and mains switch car 2 also include a neutral point connection device, which is located between the transformer 4 and the integrated AC and DC power supply cabinet 5 .

Preferably,

The neutral point connection device includes a rotatable base 7 and a connection knife switch 8 located on the rotatable base 7, and the neutral point connection protection device can be rotated by 90 degrees. The neutral point connection device is composed of a neutral point isolating switch, a surge arrester, a discharge gap, and a current transformer. The high-voltage isolation switch adopts a 90-degree rotary transmission mode, a single-phase 50-degree V-shaped structure, and is composed of a base, a post insulator, a main knife system, an operating mechanism and a transmission part. The shell of the electric operating mechanism is made of stainless steel, and it is equipped with a CJ2 electric operating mechanism. The AC non-gap metal oxide arrester is assembled by stacking non-linear metal oxide resistors, sealed in a high-voltage insulating porcelain sleeve or a composite insulating jacket, without any discharge gap, and the lower part is installed to monitor the leakage current and the number of operations of the arrester's operating state. monitoring device.

Preferably,

110KV high-voltage switch car 1, 110KV transformer, main road switch car 2, and 10KV medium-voltage switch car are respectively equipped with collision recorders.

Preferably,

A rubber pad is provided between the HGIS combined electrical appliance 3 and the 110KV high-voltage switch car 1 .

Preferably,

A rubber pad is provided between the transformer 4 and the 110KV transformer and the switch car 2 of the main road.

Preferably,

Rubber pads are provided on the four corners where the AC and DC power supply integrated cabinet 5 is in contact with the 110KV transformer and the bus switch car 2 .

The beneficial effect of adopting the above-mentioned technical scheme is:

The mobile substation in the embodiment of the utility model includes a 110KV high-voltage switch car 1, a 110KV transformer and a main road switch car 2, and a 10KV medium-voltage switch car; a HGIS combined electrical appliance 3 is fixed on the 110KV high-voltage switch car; a 110KV transformer and a main road switch The car includes a transformer 4 and an integrated AC and DC power supply cabinet 5. The high-voltage side bushing of the transformer 4 is connected to the outlet bushing of the HGIS combined electrical appliance 3 through an overhead wire 6 to realize the connection of the 110KV high-voltage switch car 1 with the 110KV transformer and the main circuit switch car 2. Quick combination, the AC and DC power supply integrated cabinet 5 and the 10KV medium voltage switch car are connected by aviation plugs, which can realize the rapid combination of the 110KV transformer and the main circuit switch car 2 and the 10KV medium voltage switch car.

The utility model has been introduced in detail above. For those of ordinary skill in the art, according to the idea of the embodiment of the utility model, there will be changes in the specific implementation and application range. In summary, the contents of this specification are not It should be understood as a limitation of the present utility model.

Claims (10)

1. A mobile substation, characterized in that, comprising: 110KV high voltage switch car, 110KV transformer and main road switch car and 10KV medium voltage switch car; The 110KV high-voltage switch car is fixed with HGIS combined electrical appliances; The 110KV transformer and mains switch car include a transformer and an AC/DC power supply integrated cabinet. The high-voltage side bushing of the transformer is connected to the overhead wire of the outlet bushing of the HGIS combined electrical appliance, and the low-voltage side bushing of the transformer is connected to the The AC and DC power integrated cabinet connection; The integrated AC and DC power supply cabinet is connected to the 10KV medium voltage switch car by an aviation plug. 2. The mobile substation according to claim 1, characterized in that, the shell of the integrated AC and DC power supply cabinet is provided with a wall bushing, and the cable connected to the low-voltage side bushing is connected to the wall bushing Tube connection, so that the bushing on the low-voltage side of the transformer is connected to the integrated AC and DC power supply cabinet. 3. The mobile substation according to claim 2, wherein the cable includes a plurality of arched protrusions, and the arched protrusions are arranged at equal intervals. 4. The mobile substation according to claim 2 or 3, characterized in that, the shell of the integrated AC and DC power supply cabinet is provided with three wall bushings, and the three wall bushings connected to the three wall bushings are respectively The above cables are arranged in parallel. 5. The mobile substation according to claim 1, characterized in that, the 110KV transformer and the bus switch car also include a neutral point connecting device, and the neutral point connecting device is located between the transformer and the AC/DC. between power supply cabinets. 6. The mobile substation according to claim 5, wherein the neutral point connection device comprises a rotatable base and a connection knife switch located on the rotatable base. 7. The mobile substation according to claim 1, characterized in that, the 110K high voltage switch car, the 110KV transformer and mains switch car, and the 10KV medium voltage switch car are respectively equipped with a collision recorder. 8. The mobile substation according to claim 1, characterized in that a rubber pad is provided between the HGIS combined electrical appliance and the 110KV high voltage switch car. 9. The mobile substation according to claim 1, characterized in that a rubber pad is provided between the transformer, the 110KV transformer and the main switch car. 10 . The mobile substation according to claim 1 , wherein rubber pads are provided on the four corners of the integrated AC and DC power supply cabinet, which are in contact with the 110KV transformer and the main switch car. 11 .