CN114039319B - GIS type high-voltage cable temporary jump device with protection and remote jump functions - Google Patents

Abstract

The invention belongs to the technical field of cable jumper devices, and in particular relates to a GIS-type high-voltage cable temporary jumper device with a protective remote jump function; it includes a GIS cable terminal tank, and a first cable connector is arranged inside the GIS cable terminal tank. A cable joint is connected with a second conductor, the second conductor is connected with a GIS current transformer, and the GIS current transformer is connected with a protection and remote jump device and an intermediate connection tank, and the intermediate connection tank is connected with a plurality of first transition cable joints, each The first transitional cable joints are connected to one end of the intermediate connecting cable, and the other end of each intermediate connecting cable is connected to the second transitional cable joint. The high-voltage cable temporary jumper also includes a single-phase double-sided GIS cable terminal tank. The two ends of the GIS cable terminal tank on both sides of the phase are respectively provided with a third cable adapter and a fourth cable adapter; the invention has simple and reasonable structure, convenient and quick operation, can effectively improve operation efficiency, eliminate potential safety hazards, reduce construction time, and save construction costs.

Description

A GIS-type high-voltage cable temporary jump-through device with protective remote jump function

technical field

The invention belongs to the technical field of cable jumper devices, and in particular relates to a GIS type high-voltage cable temporary jumper device with the function of protecting long-distance jumpers.

Background technique

With the widespread application of indoor GIS equipment in 110kV and 220kV substations, the existing GIS power distribution devices need to be completely stopped for construction in most cases when the substation is expanded, renovated, and overhauled. The capacity-to-load ratio continues to increase, resulting in the 220kV and 110kV substations in the built-up area unable to shut down. Therefore, in order to ensure the power supply demand during the construction period, it is necessary to temporarily jump through the high-voltage cable lines; Temporarily jump through the intermediate connector of the cable. After the construction is completed, make a new cable terminal to connect to the original GIS outlet interval. The work efficiency is low and wastes resources. In addition, in many projects, it is necessary to jump through the power supply cable and the main transformer cable. After jumping through, the main transformer is operated by the incoming line of the power supply. In this mode of operation, the protection of the main transformer of the substation is out of operation, and the main transformer of this station is protected by the remote backup protection of the outgoing line protection device of the remote substation. If the main transformer of this station fails, it may cause Accidents expand and potential safety hazards exist. Therefore, it is necessary to provide a GIS-type high-voltage cable temporary jumper device with long-distance jump protection function that can effectively improve operating efficiency, eliminate potential safety hazards, reduce construction time, and save construction costs.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a GIS type with protection and long-distance jump function with simple and reasonable structure, convenient and quick operation, which can effectively improve work efficiency, eliminate potential safety hazards, reduce construction time and save construction cost Temporary jumper device for high voltage cables.

The object of the present invention is achieved like this: a kind of GIS type band protection long-distance jump function high-voltage cable temporary jumper, it comprises GIS cable terminal tank, the inside of described GIS cable terminal tank is provided with the first cable connecting pipe, described One end of the first cable connector located inside the GIS cable terminal tank is connected to a second conductor, and the other end of the first cable connector extends out of the GIS cable terminal tank and can be connected to an external cable through a first external cable connector. connected, the second conductor is connected with a GIS current transformer, and the GIS current transformer is connected with a protection and remote jump device and an intermediate connection tank, and the intermediate connection tank is connected with a plurality of first transition cable joints, each of which The first transitional cable joints are connected to one end of the intermediate connecting cable, and the other end of each intermediate connecting cable is connected to the second transitional cable joint. The high-voltage cable temporary jumper also includes a single-phase double-sided GIS A cable terminal tank, one end of the single-phase double-sided GIS cable terminal tank is provided with a third cable connector, and the other end of the single-phase double-sided GIS cable terminal tank is provided with a fourth cable connector, and the third cable connector extends One end of the single-phase double-sided GIS cable terminal tank is connected to the second transitional cable connector, and the fourth cable joint protrudes from the single-phase double-sided GIS cable terminal tank to pass through the second external cable The connector is connected to the external cable.

The intermediate connection tank is provided with a first conductor and a second cable adapter, one end of the first conductor is connected to the GIS current transformer, and the other end of the first conductor is located at the second cable adapter. One end inside the intermediate connecting tank is connected, and one end of the second cable joint protruding from the intermediate connecting tank is connected to the first transitional cable connector.

The interior of the GIS cable terminal tank is provided with a plurality of first cable connectors, and the number of the first cable connectors is consistent with the number of the second cable connectors.

One end of the intermediate connection cable is fixedly connected to the first transition cable connector, and the other end of the intermediate connection cable is fixedly connected to the second transition cable connector.

The first transitional cable connector and the second cable connector are connected by plugging and then fixedly connected together by locking components, and the second transitional cable connector and the third cable connector are plugged in After being connected in the same way, they are fixedly connected together by locking components.

The first cable connection includes a connection body, one end of the connection body is provided with a conductive joint inside, and the other end of the connection body is provided with a connection jack, and the end of the connection body protruding from the connection body is connected to a A conductor connection block, the conductive connector is provided with a conductive socket at one end inside the main body of the connecting pipe, and the end of the first external cable connector is connected with a plug connector suitable for the connection socket, and the plug connector The end part is provided with a conductive plug suitable for the conductive socket.

The first cable connector is connected to the second conductor through the conductor block, the structure of the second cable connector is the same as that of the first cable connector, and the conductor connector on the second cable connector is connected to the first cable connector. A block is connected to the first conductor.

The single-phase double-sided GIS cable terminal tank is provided with an intermediate adapter, one end of the intermediate adapter is connected to a third conductor, the other end of the intermediate adapter is connected to a fourth conductor, and the third cable takes over 1. The structure of the fourth cable connector is the same as that of the first cable connector, the third conductor is connected to the conductor block on the third cable connector, and the fourth conductor is connected to the conductor block on the fourth cable connector. The conductor blocks are connected.

Beneficial effects of the present invention: a GIS-type high-voltage cable temporary jumper device with long-distance jump protection function of the present invention, a first cable connecting pipe is arranged in the GIS cable terminal tank, and the first cable connecting pipe and the first external cable of the external cable can be connected through the first cable connecting pipe. Connected with cable joints, it can be conveniently and quickly connected with multi-core external cables by plugging, which improves work efficiency. The intermediate connection tank connects multiple intermediate connection cables through multiple first transition cable joints, and the length of the intermediate connection cables can be adjusted. Each intermediate connection cable is connected to the third cable connection in the single-phase double-sided GIS cable terminal tank through the second transition cable joint, and the single-phase double-sided GIS cable terminal tank It can be temporarily fixed on other fixing devices according to the needs of the operation, so that the fourth cable connection inside it can be connected with the external cable through the second external cable joint, which is easy to operate and can be realized without destroying the original GIS cable terminal. Jump through, and at the same time supply power to the protection and long-distance jumping device through the GIS current transformer to take power to ensure the safe operation of the device; a GIS-type high-voltage cable temporary jump-through device with protection and long-distance jumping function of the present invention, the structure Simple and reasonable, convenient and quick to operate, can effectively improve operating efficiency, eliminate potential safety hazards, reduce construction time, and save construction costs.

Description of drawings

Fig. 1 is a schematic structural diagram of a GIS-type high-voltage cable temporary jump-through device with protective remote jump function according to the present invention.

Fig. 2 is a schematic diagram of the structure of the end of a GIS cable terminal tank of a GIS type high-voltage cable temporary jumper device with a protective remote jump function according to the present invention.

Fig. 3 is a schematic diagram of the structure of the first cable connection of a GIS-type high-voltage cable temporary jump-through device with protective remote jump function according to the present invention.

Fig. 4 is a schematic diagram of the structure of the third cable connection of a GIS-type high-voltage cable temporary jumper device with protective remote jump function according to the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in Figure 1-2, a GIS-type high-voltage cable temporary jumper with protective remote jump function includes a GIS cable terminal tank 3, and a first cable connector 2 is arranged inside the GIS cable terminal tank 3. One end of the first cable joint 2 located inside the GIS cable terminal tank 3 is connected to a second conductor 4, and the other end of the first cable joint 2 protrudes from the outside of the GIS cable terminal tank 3 and can pass through the first The external cable joint 1 is connected with the external cable, the second conductor 4 is connected with a GIS current transformer 6, and the GIS current transformer 6 is connected with a protection and long-distance jump device 5 and an intermediate connecting tank 8, and the intermediate connecting tank 8. A plurality of first transition cable connectors 10 are connected, each of the first transition cable connectors 10 is connected to one end of an intermediate connecting cable 11, and the other end of each of the intermediate connecting cables 11 is connected to a second transition cable Joint 12, the high-voltage cable temporary jumper also includes a single-phase double-sided GIS cable terminal tank 14, one end of the single-phase double-sided GIS cable terminal tank 14 is provided with a third cable connection 13, the single-phase double-sided The other end of the side GIS cable terminal tank 14 is provided with a fourth cable connector 15, and one end of the third cable connector 13 protruding from the single-phase double-sided GIS cable terminal tank 14 is connected to the second transition cable connector 12 One end of the fourth cable joint 15 protruding from the single-phase double-sided GIS cable terminal tank 14 can be connected to an external cable through a second external cable connector 16 .

A GIS-type high-voltage cable temporary jumper device with long-distance jump protection function of the present invention, a first cable joint 2 is arranged in the GIS cable terminal tank 3, and the first external cable connector 1 of the external cable can be connected through the first cable joint 2 It can be connected with multi-core external cables conveniently and quickly by plugging, so as to improve work efficiency. The intermediate connection tank 8 connects a plurality of intermediate connection cables 11 through a plurality of first transition cable joints 10, and the intermediate connection cables 11 The length is optional to meet the operation requirements of various engineering departments. Each intermediate connecting cable 11 is connected to the third cable joint 13 in the single-phase double-sided GIS cable terminal tank 14 through the second transition cable joint 12, and the single-phase The double-sided GIS cable terminal tank 14 can be temporarily fixed on other fixing devices according to the needs of the operation, so that the fourth cable connector 15 in it can be connected with the external cable through the second external cable joint 16, which is easy to operate and can be used without damaging the original Under the premise of GIS cable terminal, the cable jumping is realized, and at the same time, the protection and long-distance jumping device 5 is supplied with power through the GIS current transformer 6, so as to ensure the safe operation of the device; The high-voltage cable temporary jump-through device with jump function has a simple and reasonable structure, and is convenient and quick to operate, which can effectively improve work efficiency, eliminate potential safety hazards, reduce construction time, and save construction costs.

Example 2

As shown in Figures 1-4, a GIS-type high-voltage cable temporary jumper with a protective long-distance jump function includes a GIS cable terminal tank 3, and a first cable connecting pipe 2 is arranged inside the GIS cable terminal tank 3. One end of the first cable joint 2 located inside the GIS cable terminal tank 3 is connected to a second conductor 4, and the other end of the first cable joint 2 protrudes from the outside of the GIS cable terminal tank 3 and can pass through the first The external cable joint 1 is connected with the external cable, the second conductor 4 is connected with a GIS current transformer 6, and the GIS current transformer 6 is connected with a protection and long-distance jump device 5 and an intermediate connecting tank 8, and the intermediate connecting tank 8. A plurality of first transition cable connectors 10 are connected, each of the first transition cable connectors 10 is connected to one end of an intermediate connecting cable 11, and the other end of each of the intermediate connecting cables 11 is connected to a second transition cable Joint 12, the high-voltage cable temporary jumper also includes a single-phase double-sided GIS cable terminal tank 14, one end of the single-phase double-sided GIS cable terminal tank 14 is provided with a third cable connection 13, the single-phase double-sided The other end of the side GIS cable terminal tank 14 is provided with a fourth cable connector 15, and one end of the third cable connector 13 protruding from the single-phase double-sided GIS cable terminal tank 14 is connected to the second transition cable connector 12 One end of the fourth cable joint 15 protruding from the single-phase double-sided GIS cable terminal tank 14 can be connected to an external cable through a second external cable connector 16 .

For better effect, a first conductor 7 and a second cable adapter 9 are arranged in the intermediate connecting tank 8, and one end of the first conductor 7 is connected with the GIS current transformer 6, and the first conductor The other end of 7 is connected to one end of the second cable joint 9 located in the intermediate connection tank 8, and the end of the second cable joint 9 extending out of the intermediate connection tank 8 is connected to the first transition cable Connector 10 is connected.

For better effect, a plurality of first cable connectors 2 are arranged inside the GIS cable terminal tank 3 , and the number of the first cable connectors 2 is consistent with the number of the second cable connectors 9 .

For better effect, one end of the intermediate connection cable 11 is fixedly connected to the first transition cable connector 10 , and the other end of the intermediate connection cable 11 is fixedly connected to the second transition cable connector 12 .

For a better effect, the first transition cable connector 10 is connected to the second cable connector 9 through a plug-in connection and then fixedly connected together through a locking member, and the second transition cable connector 12 and the The third cable connectors 13 are connected by plugging and then fixedly connected together by locking components.

For better effect, the first cable connector 2 includes a connector body 18, a conductive connector 20 is provided inside one end of the connector body 18, and a connection jack is arranged inside the other end of the connector body 18, and the conductive connector 20 is provided inside the connector body 18. One end of the joint 20 protruding from the main body 18 is connected with a conductor block 21, the end of the conductive joint 20 located inside the main body 18 is provided with a conductive jack, and the end of the first external cable joint 1 A plug connector 17 suitable for the connection socket is connected, and a conductive plug 19 suitable for the conductive socket is provided at the end of the plug connector 17 .

For a better effect, the first cable connector 2 is connected to the second conductor 4 through the conductor block 21, and the second cable connector 9 has the same structure as the first cable connector 2, so The second cable connector 9 is connected to the first conductor 7 through the conductor connecting block 21 thereon.

For a better effect, an intermediate adapter 23 is arranged in the single-phase double-sided GIS cable terminal tank 14, one end of the intermediate adapter 23 is connected to the third conductor 22, and the other end of the intermediate adapter 23 is connected to There is a fourth conductor 24, the structure of the third cable connector 13 and the fourth cable connector 15 is the same as that of the first cable connector 2, and the third conductor 22 is connected to the conductor connection block on the third cable connector 13. 21, and the fourth conductor 24 is connected to the conductor block 21 on the fourth cable connector 15.

A GIS-type high-voltage cable temporary jumper device with long-distance jump protection function of the present invention, a first cable joint 2 is arranged in the GIS cable terminal tank 3, and the first external cable connector 1 of the external cable can be connected through the first cable joint 2 It can be connected with multi-core external cables conveniently and quickly by plugging, so as to improve work efficiency. The intermediate connection tank 8 connects a plurality of intermediate connection cables 11 through a plurality of first transition cable joints 10, and the intermediate connection cables 11 The length is optional to meet the operation requirements of various engineering departments. Each intermediate connecting cable 11 is connected to the third cable joint 13 in the single-phase double-sided GIS cable terminal tank 14 through the second transition cable joint 12, and the single-phase The double-sided GIS cable terminal tank 14 can be temporarily fixed on other fixing devices according to the needs of the operation, so that the fourth cable connector 15 in it can be connected with the external cable through the second external cable joint 16, which is easy to operate and can be used without damaging the original Under the premise of GIS cable terminal, the cable jumping is realized, and at the same time, the protection and long-distance jumping device 5 is supplied with power through the GIS current transformer 6, so as to ensure the safe operation of the device; The high-voltage cable temporary jump-through device with jump function has a simple and reasonable structure, and is convenient and quick to operate, which can effectively improve work efficiency, eliminate potential safety hazards, reduce construction time, and save construction costs.

Claims (6)

1. A GIS-type high-voltage cable temporary jump-through device with a protective long-distance jump function, which includes a GIS cable terminal tank (3), characterized in that: the GIS cable terminal tank (3) is provided with a first cable connection inside (2), one end of the first cable connector (2) located inside the GIS cable terminal tank (3) is connected to a second conductor (4), and the other end of the first cable connector (2) protrudes from the The GIS cable terminal tank (3) is external and can be connected to the external cable through the first external cable joint (1), the second conductor (4) is connected with a GIS current transformer (6), and the GIS current transformer (6) It is connected with a protection and long-distance jump device (5) and an intermediate connection tank (8), and the intermediate connection tank (8) is connected with a plurality of first transition cable joints (10), each of the first transition cables The joints (10) are connected with one end of the intermediate connection cable (11), and the other end of each intermediate connection cable (11) is connected with the second transition cable joint (12), and the high-voltage cable temporary jumper device also It includes a single-phase double-sided GIS cable terminal tank (14), one end of the single-phase double-sided GIS cable terminal tank (14) is provided with a third cable connection (13), and the single-phase double-sided GIS cable terminal tank ( The other end of 14) is provided with a fourth cable joint (15), and the third cable joint (13) protrudes from one end of the single-phase double-sided GIS cable terminal tank (14) to connect with the second transitional cable joint ( 12) connected to each other, one end of the fourth cable adapter (15) protruding from the single-phase double-sided GIS cable terminal tank (14) can be connected to the external cable through the second external cable joint (16); The intermediate connection tank (8) is provided with a first conductor (7) and a second cable adapter (9), and one end of the first conductor (7) is connected to the GIS current transformer (6), so The other end of the first conductor (7) is connected to one end of the second cable joint (9) located in the intermediate connection tank (8), and the second cable joint (9) extends out of the intermediate connection One end inside the tank (8) is connected to the first transition cable connector (10); The first cable connection (2) includes a connection body (18), a conductive joint (20) is provided inside one end of the connection body (18), and a connection socket is provided inside the other end of the connection body (18) , one end of the conductive joint (20) protruding from the main body (18) is connected with a conductor block (21), and the end of the conductive joint (20) located inside the main body (18) is provided with a conductive Jack, the end of the first external cable connector (1) is connected with a plug connector (17) compatible with the connection jack, and the end of the plug connector (17) is provided with a matching conductive plug (19). 2. A GIS-type high-voltage cable temporary jump-through device with protective remote jump function according to claim 1, characterized in that: the inside of the GIS cable terminal tank (3) is provided with a plurality of the first cables Connectors (2), the number of the first cable connectors (2) is consistent with the number of the second cable connectors (9). 3. A GIS-type high-voltage cable temporary jumper device with protective remote jump function according to claim 1, characterized in that: one end of the intermediate connection cable (11) is connected to the first transition cable joint (10 ) is fixedly connected, and the other end of the intermediate connecting cable (11) is fixedly connected to the second transition cable connector (12). 4. A GIS-type high-voltage cable temporary jump-through device with protective remote jump function according to claim 3, characterized in that: the first transition cable joint (10) and the second cable connection (9) After being connected by plugging, they are fixedly connected together by locking parts, and the second transition cable connector (12) and the third cable adapter (13) are connected by plugging and then locked by locking The parts are fixedly connected together. 5. A GIS-type high-voltage cable temporary jumper device with protective remote jump function according to claim 1, characterized in that: the first cable connection (2) connects with the conductor connecting block (21) The second conductor (4) is connected, the structure of the second cable connector (9) is the same as that of the first cable connector (2), and the second cable connector (9) passes through the conductor block ( 21) Connect with the first conductor (7). 6. A GIS-type high-voltage cable temporary jump-through device with protective long-distance jump function according to claim 1, characterized in that: the single-phase double-sided GIS cable terminal tank (14) is provided with an intermediate adapter ( 23), one end of the intermediate adapter (23) is connected to the third conductor (22), the other end of the intermediate adapter (23) is connected to the fourth conductor (24), and the third cable adapter (13 ), the structure of the fourth cable connector (15) is the same as that of the first cable connector (2), and the third conductor (22) is in phase with the conductor block (21) on the third cable connector (13) connection, the fourth conductor (24) is connected to the conductor block (21) on the fourth cable adapter (15).