CN213879046U

CN213879046U - Prefabricated integrated intelligent transformer substation

Info

Publication number: CN213879046U
Application number: CN202022278880.2U
Authority: CN
Inventors: 师军伟; 李龙江; 廖红兵; 罗子玉; 吴小钊; 李仲想; 宋艳冰; 武兴坛; 曹善军; 檀金华; 刘少鹏; 郭大庆
Original assignee: Xuji Group Co Ltd; XJ Electric Co Ltd; Xuchang XJ Software Technology Co Ltd
Current assignee: Xuji Group Co Ltd; XJ Electric Co Ltd; Xuchang XJ Software Technology Co Ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-08-03
Anticipated expiration: 2030-10-13

Abstract

The utility model provides an integrated intelligent transformer substation of prepackage type, the on-off switch comprises a base, the switch room, switchgear, the transformer, relay protection system and on-line monitoring system, switchgear passes through primary cable and is connected with transformer, transformer passes through the secondary cable and is connected with relay protection system and on-line monitoring system respectively, the transformer passes through ground connection copper bar ground connection, the base is equipped with the cable intermediate layer, the switch room sets up on the base, switchgear, relay protection system and on-line monitoring system all are located the switch room, the switch room top is equipped with the trough, the rail setting is on the base and meets with one side outer wall of switch room and enclose independent space, the transformer sets up in independent space, primary cable and ground connection copper bar lay through the cable intermediate layer on the base, the secondary cable lays through the trough at switch room top. The exposed electric connection is avoided, the safety is improved, and meanwhile, the switch chamber and the fence form an integrated closed space through the base, so that people or animals can be effectively prevented from intruding.

Description

Prefabricated integrated intelligent transformer substation

Technical Field

The utility model relates to a transformer substation technical field, concretely relates to integrated intelligent transformer substation of prepackage type.

Background

The pre-installed transformer substation is a complete set of transformer and distribution equipment which combines a switch device, a main transformer, a station transformer, a relay protection system and an online monitoring system into a whole according to a certain wiring scheme. The existing pre-installed power transformation is generally provided with a primary cable and a secondary cable in a mode of arranging a cable trench on the ground surface, exposed electric connection exists, the manufacturability and the safety are poor, and human or animal intrusion prevention and equipment theft prevention cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

The utility model aims at providing an integrated intelligent transformer substation of prepackage type has not only inherited the advantage of having prepackage type transformer substation, has still realized the separation of once cable, secondary cable, has avoided exposed electricity to connect, has improved the security, simultaneously, forms integrative enclosure space with switch room and rail through setting up the base, can effectively avoid people or animals to break into.

(II) technical scheme

In order to solve the above problems, the present invention provides a preassembled integrated intelligent transformer substation, which comprises a switch device, a transformer, a relay protection system and an online monitoring system, wherein the switch device is connected to the transformer through a primary cable, the transformer is connected to the relay protection system and the online monitoring system through a secondary cable, the transformer is grounded through a grounding copper bar, the transformer further comprises a base, a switch chamber and a fence, the base is provided with a cable interlayer, the switch chamber is arranged on the base, the switch device, the relay protection system and the online monitoring system are all located in the switch chamber, the top of the switch chamber is provided with a wiring groove, the fence is arranged on the base and is connected with one side outer wall of the switch chamber to form an independent space, the transformer is arranged in the independent space, the primary cable and the grounding copper bar are laid through the cable interlayer on the base, and the secondary cable is laid through a wiring groove at the top of the switch chamber.

Specifically, switchgear includes transformer low-voltage outlet cabinet and transformer high-voltage inlet cabinet, the cubical switchboard is equipped with the operation cabinet, the operation cabinet is located between transformer low-voltage outlet cabinet and the transformer high-voltage inlet cabinet, relay protection system and on-line monitoring system are located in the operation cabinet.

Specifically, the transformer includes main transformer and transformer for the station, transformer high pressure inlet wire cabinet pass through first primary cable with the input of main transformer is connected, the transformer low pressure outlet wire cabinet pass through the second primary cable with the output of main transformer is connected, the transformer low pressure outlet wire cabinet pass through the third primary cable with the input of transformer for the station is connected, be equipped with on the cable intermediate layer respectively with the cable mouth that first primary cable, second primary cable and third primary cable correspond, first primary cable, second primary cable and third primary cable all are in through corresponding the cable mouth lays in the cable intermediate layer.

Specifically, the main transformer is an oil immersed transformer and is provided with a transformer oil chromatography online monitoring system.

Specifically, the cable interlayer is provided with a cable partition board, the cable partition board divides the cable interlayer into a plurality of cable channels, and each group of primary cables corresponds to one cable channel.

Specifically, the station transformer is fixed on the outer wall of the switch chamber through a bracket and is higher than the main transformer. The carrier is preferably a removable carrier.

Specifically, at least one cable opening is formed in the bottom of the wiring groove, a secondary cable of the main transformer extends to the outer wall of the switch chamber along the upper surface of the cable interlayer, extends upwards along the outer wall of the switch chamber, is gathered with the secondary cable of the station transformer, then enters the wiring groove from one end of the wiring groove, and enters the switch chamber from the cable opening.

Furthermore, the preassembled integrated intelligent substation further comprises a circuit breaker mechanical characteristic online monitoring device and a passive cable joint temperature monitoring sensor, wherein the input end of the circuit breaker mechanical characteristic online monitoring device is connected with the switch device, the output end of the circuit breaker mechanical characteristic online monitoring device is connected with the online monitoring system and used for monitoring the switching state of the switch device, and the passive cable joint temperature monitoring sensor is located at the connection position of the switch device and the primary cable and connected with the online monitoring system and used for monitoring the temperature of the connection position of the switch device and the primary cable.

Furthermore, the preassembled integrated intelligent substation further comprises a temperature adjusting device arranged in the switch room, and the temperature adjusting device is connected with the online monitoring system.

Specifically, the switch room is equipped with the room door, install access control system on the room door, the rail is fence, access control system, fence respectively with the on-line monitoring system communication.

Furthermore, the preassembled integrated intelligent substation further comprises an illumination system, an alarm device and/or a video device which are respectively connected with the online monitoring system, wherein the illumination system is located in the switch room, and the alarm device and/or the video device are arranged on the periphery of the electronic fence.

The integration and intelligence degree of the pre-installed substation equipment is improved by the device, the state of the equipment body and the equipment operation environment can be mastered by operation and maintenance personnel in real time, early warning is timely carried out on faults, and state maintenance is realized.

(III) advantageous effects

The above technical scheme of the utility model has following profitable technological effect:

the utility model provides an integrated intelligent transformer substation of prepackage type has not only inherited the advantage of having prepackage type transformer substation, has still realized the separation of once cable, secondary cable, has avoided exposed electricity to connect, has improved the security, simultaneously, forms integrative enclosure space with switch room and rail through setting up the base, can effectively avoid people or animals to break into.

The integration and intelligence degree of the pre-installed substation equipment is improved, operation and maintenance personnel can master the states of the equipment body and the equipment operation environment in real time, early warning is timely performed on faults, and state maintenance is achieved.

Drawings

Fig. 1 is an appearance schematic view of a preassembled integrated intelligent substation provided in an embodiment of the present invention, wherein an enlarged view is a partial schematic view of a wiring duct of a switch room;

fig. 2 is a schematic top view of a preassembled integrated intelligent substation provided in an embodiment of the present invention;

fig. 3 is the embodiment of the utility model provides a prepackage type integrated intelligent substation base cable intermediate layer schematic diagram.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 and 2, the utility model provides a preassembled integrated intelligent transformer substation, which comprises a switch device, a transformer 8, a relay protection system (not shown in the figure), an on-line monitoring system (not shown in the figure), a base 2, a switch room 1 and a fence 7, wherein the switch device is connected with the transformer 8 through a primary cable, the transformer 8 is respectively connected with the relay protection system and the on-line monitoring system through a secondary cable, the transformer 8 is grounded through a grounding copper bar, the base 2 is provided with a cable interlayer 21, the switch room 1 is arranged on the base 2, the switch device, the relay protection system and the on-line monitoring system are all positioned in the switch room 1, the top of the switch room 1 is provided with a wiring groove 11, the fence 7 is arranged on the base 2 and is connected with the outer wall of the right side of the switch room 1 to form an independent space, the transformer 8 is arranged in the independent space, the primary cable and the grounding copper bar are laid through a cable interlayer 21 on the base 2, and the secondary cable is laid through a wiring groove 11 in the top of the switch room 1.

Specifically, switchgear includes transformer low-voltage outlet cabinet 6 and transformer high-voltage inlet cabinet 3, the cubical switchboard is equipped with operation cabinet 5, operation cabinet 5 is located between transformer low-voltage outlet cabinet 6 and the transformer high-voltage inlet cabinet 3, relay protection system and on-line monitoring system are located in operation cabinet 5. The transformer low-voltage outlet cabinet 6 and the transformer high-voltage inlet cabinet 3 are preferably inflatable switch cabinets.

Specifically, as shown in fig. 3, the transformer 8 includes a main transformer 81 and a station transformer 82, a primary cable of the transformer high-voltage incoming cabinet 3 enters a cable interlayer through an incoming primary cable port 211 to be connected with an input end of the main transformer 81, a primary cable of the transformer low-voltage outgoing cabinet 6 enters the cable interlayer through an outgoing primary cable port 212 to be connected with an output end of the main transformer 81, and another primary cable of the transformer low-voltage outgoing cabinet 6 enters the cable interlayer through a station primary transformer cable port 213 to be connected with an input end of the station transformer 82. For convenience of laying, the cable ports respectively correspond to the wiring terminals of connected equipment.

In an alternative embodiment, the cable interlayer 21 is provided with a cable partition board, and the cable partition board divides the cable interlayer into a plurality of cable channels, and each primary cable corresponds to one cable channel.

The cable baffle can set up by oneself as required, and concrete structure can adjust as required according to walking the line needs, the utility model discloses do not injectd.

Specifically, the station transformer 82 is fixed to the outer wall of the switchgear room 1 by a bracket and is higher than the main transformer 81. The carrier is preferably a removable carrier.

Specifically, the slot bottom of the wiring slot 11 is provided with at least one cable opening (not shown in the figure), the secondary cable of the main transformer 81 extends to the outer wall of the right side of the switch room 1 along the upper surface of the cover plate (not shown in the figure) of the cable interlayer 21, then extends upwards along the outer wall of the right side of the switch room 1, gathers with the secondary cable of the station transformer 82, enters the wiring slot 11 from the right end of the wiring slot, enters the switch room from the cable opening, and communicates with the relay protection system and the online monitoring system in the switch room operating cabinet.

Furthermore, the preassembled integrated intelligent substation further comprises a temperature adjusting device arranged in the switch room, and the temperature adjusting device is connected with the online monitoring system. The temperature adjusting device comprises a heater, an air conditioner and the like.

Furthermore, the preassembled integrated intelligent substation further comprises an illumination system, an alarm device and a video device which are respectively connected with the online monitoring system, wherein the illumination system is located in the switch room, and the alarm device and the video device are arranged on the periphery of the electronic fence.

The following is a specific embodiment of the present invention:

referring to fig. 1 and 2, the present embodiment provides a prefabricated integrated intelligent substation, which includes a switch room 1, a base 2, a main transformer 81, a high-voltage incoming cabinet 3 containing transformers in the switch room, a PT cabinet 4, an operation cabinet 5, a low-voltage outgoing cabinet 6 containing transformers in the switch room, and a station transformer 82. The base 2 is provided with a cable interlayer 21, the cable interlayer 21 is used for laying a power cable, namely a first cable, a fireproof design is adopted, and the top of the switch room 1 is provided with a top wiring groove used for laying a second cable, namely a signal cable, so that a power line and a signal line are laid separately; a relay protection system and an online monitoring system are installed in the operation cabinet 5, an electric switch is arranged on the operation cabinet 5, electric operation on the high-voltage wire inlet cabinet 3 of the transformer and the low-voltage wire outlet cabinet 6 of the transformer can be achieved, and information interaction between an inlet secondary cable and an outlet secondary cable of the electric switch and each switch cabinet is achieved through a top wire trough; the transformer 82 for the station adopts an oil-immersed transformer, the transformer 82 for the station and the main transformer 81 adopt an up-down three-dimensional layout, the transformer 82 for the station is installed on a detachable bracket, and secondary cables of the transformer 82 for the station enter the switch room 1 through the top wiring groove 11 after being collected. The main transformer 81 adopts an oil immersed transformer, the main transformer 81 is provided with a transformer oil chromatography online monitoring system, a secondary cable of the main transformer 18 reaches the position below the transformer 82 for the station through the upper surface of a bottom cable interlayer, and then enters the switch room 1 through a top wiring groove after being upwards gathered with the secondary cable of the transformer 82 for the station, so that information interaction is carried out between the switch room 1 and a relay protection system and the online monitoring system in the operation cabinet 5. The transformer high-voltage incoming cabinet 3 and the transformer low-voltage outgoing cabinet 6 are respectively connected with the high-voltage side and the low-voltage side of the main transformer 81 through primary cables, so that the full-insulation and sealing design is realized. The transformer high-voltage incoming cabinet 3 and the transformer low-voltage outgoing cabinet 6 are provided with a circuit breaker mechanical characteristic monitoring unit and a passive cable joint temperature monitoring sensor;

the online monitoring system can collect and receive state information of environment, entrance guard, electronic fence and electrical equipment in real time, and convert the state information into a data model meeting the access requirement of the Internet of things platform and upload the data model to the cloud platform. The on-line monitoring system can activate the on-site linkage system according to the collected state information of the environment, the entrance guard, the electronic fence and the electrical equipment, and the on-line monitoring system can activate the on-site linkage system according to the prefabricated scheme.

The local linkage system comprises the linkage of temperature and humidity, a heater and an air conditioner, the linkage between the entrance guard and the lighting system, and the linkage of the electronic fence, sound-light alarm and video recording. Concrete linkage mode can be realized according to prior art, the utility model discloses do not restrict.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A pre-installed integrated intelligent substation comprises a switch device, a transformer, a relay protection system and an online monitoring system, wherein the switch device is connected with the transformer through a primary cable, the transformer is respectively connected with the relay protection system and the online monitoring system through a secondary cable, and the transformer is grounded through a grounding copper bar, the pre-installed integrated intelligent substation is characterized by further comprising a base, a switch room and a fence, the base is provided with a cable interlayer, the switch room is arranged on the base, the switch device, the relay protection system and the online monitoring system are all located in the switch room, the top of the switch room is provided with a wiring groove, the fence is arranged on the base and is connected with the outer wall of one side of the switch room to form an independent space, the transformer is arranged in the independent space, and the primary cable and the grounding copper bar are laid through the cable interlayer on the base, and the secondary cable is laid through a wiring groove at the top of the switch chamber.

2. The preassembled integrated intelligent substation of claim 1, wherein the switchgear comprises a transformer low voltage outlet cabinet and a transformer high voltage inlet cabinet, the switch room is provided with an operation cabinet, the operation cabinet is located between the transformer low voltage outlet cabinet and the transformer high voltage inlet cabinet, and the relay protection system and the online monitoring system are located in the operation cabinet.

3. The prefabricated integrated intelligent substation of claim 2, wherein the transformer comprises a main transformer and a substation transformer, the high-voltage incoming cabinet of the transformer is connected to the input end of the main transformer through a first primary cable, the low-voltage outgoing cabinet of the transformer is connected to the output end of the main transformer through a second primary cable, the low-voltage outgoing cabinet of the transformer is connected to the input end of the substation transformer through a third primary cable, cable ports corresponding to the first primary cable, the second primary cable and the third primary cable are formed in the cable interlayer, and the first primary cable, the second primary cable and the third primary cable are laid in the cable interlayer through the corresponding cable ports.

4. The preassembled integrated intelligent substation of claim 3, wherein the cable interlayer is provided with a cable partition plate, the cable partition plate divides the cable interlayer into a plurality of cable channels, and each group of primary cables corresponds to one cable channel.

5. The preassembled integrated intelligent substation of claim 3, wherein the substation transformer is fixed on the outer wall of the switch room through a bracket and is higher than the main transformer.

6. The prefabricated integrated intelligent substation of claim 5, wherein the bottom of the wiring slot is provided with at least one cable opening, the secondary cable of the main transformer extends to the outer wall of the switch room along the upper surface of the cable interlayer, extends upwards along the outer wall of the switch room, converges with the secondary cable of the station transformer, enters the wiring slot from one end of the wiring slot, and enters the switch room from the cable opening.

7. The prefabricated integrated intelligent substation of claim 1, further comprising an online monitoring device for mechanical characteristics of the circuit breaker and a passive cable joint temperature monitoring sensor, wherein the online monitoring device for mechanical characteristics of the circuit breaker has an input end connected to the switchgear and an output end connected to the online monitoring system for monitoring the switching state of the switchgear, and the passive cable joint temperature monitoring sensor is located at a junction between the switchgear and the primary cable and has an output end connected to the online monitoring system for monitoring the temperature at the junction between the switchgear and the primary cable.

8. The preassembled integrated intelligent substation of claim 7, further comprising a temperature regulating device disposed in the switchgear cabinet, the temperature regulating device being connected to the online monitoring system.

9. The prefabricated integrated intelligent substation of claim 1, wherein the switch room is provided with a room door, the room door is provided with an access control system, the fence is an electronic fence, and the access control system and the electronic fence are respectively communicated with the online monitoring system.

10. The preassembled integrated intelligent substation of claim 9, further comprising a lighting system, an alarm device and/or a video device respectively connected to the online monitoring system, wherein the lighting system is located in the switch room, and the alarm device and/or the video device is disposed around the electronic fence.