CN112332238A - Transformer substation power distribution cabinet device with partial discharge monitoring function - Google Patents
Transformer substation power distribution cabinet device with partial discharge monitoring function Download PDFInfo
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- CN112332238A CN112332238A CN202011158497.1A CN202011158497A CN112332238A CN 112332238 A CN112332238 A CN 112332238A CN 202011158497 A CN202011158497 A CN 202011158497A CN 112332238 A CN112332238 A CN 112332238A
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- partial discharge
- power distribution
- cabinet body
- distribution cabinet
- fixedly connected
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a power distribution cabinet device with partial discharge monitoring for a transformer substation. According to the technical scheme, the partial discharge tester is arranged in the power distribution cabinet, and a translational motion mechanism and a contact clutch mechanism are configured for the partial discharge tester. Specifically, the cabinet body is additionally provided with a fixed slide rail, a pulley is arranged on the slide rail, and the front end of the pulley adopts an insulating pad to bear components such as an installation beam, a partial discharge tester, an electric push rod and the like so as to ensure that the components are insulated from the outside; on the basis, the sensor of the partial discharge tester is bound at the front end of the electric push rod and can be driven by the electric push rod to move back and forth. Based on the structure, the partial discharge tester can be positioned at a plurality of different sites in the vertical direction by the pulley, and then the electric push rod is utilized to drive the sensor to be attached to or separated from the site to be tested, so that the detection process is completed. By applying the invention, self-detection can be realized under the condition of unmanned operation, the inspection workload can be reduced to a certain extent, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet device with partial discharge monitoring for a transformer substation.
Background
The power distribution cabinet is also called a distribution box and is tail end electrical equipment for power transmission and distribution. The power distribution cabinet is a general name in broad sense, and comprises a high-low voltage switch cabinet, a capacitance compensation cabinet, an intermediate frequency power supply cabinet, a machine tool control cabinet and the like which are generally called power distribution cabinets. The narrow power distribution cabinet mainly refers to a high-low voltage power distribution cabinet. The electric energy generated by the power plant is required to be transmitted through high voltage, and then is distributed to each stage of transformer substation to reduce the voltage, and finally is sent to the user, and the high-low voltage power distribution cabinet is used for distributing the electric energy, so that the power distribution cabinets are built in the transformer substation, each factory and each community.
The partial discharge refers to discharge that occurs between electrodes but does not penetrate the electrodes, and is a phenomenon in which repeated breakdown and extinction occur under the action of high electric field strength due to weak current existing inside the insulation of equipment or defects caused during production. It is expressed as the breakdown of gas in the insulation, the local breakdown of solid or liquid medium in a small range, or the local breakdown discharge caused by the concentration of the field intensity at the edge and sharp corner of the metal surface. In the operation and maintenance of a power distribution cabinet of a transformer substation, partial discharge detection is a necessary test item.
In the prior art, the testing link is carried out by an inspection worker holding an instrument, although the accuracy is higher, the inspection time is occupied to a certain extent due to the fact that manual operation is relied on; moreover, since the polling operation is performed periodically, the detection of the partial discharge phenomenon is also performed periodically. Under the condition, if the partial discharge tester can be carried in the power distribution cabinet, the automatic detection function is expected to be realized; however, the testing of the partial discharge phenomenon requires the detection of a plurality of sites, which is not a problem in manual operation, but there is still a certain technical difficulty in positioning the partial discharge tester to different detection sites under the unmanned condition.
Disclosure of Invention
The invention aims to provide a power distribution cabinet device with partial discharge monitoring for a transformer substation, aiming at overcoming the technical defect in the prior art, and solving the technical problem that partial discharge detection work can only be periodically and manually completed by inspection personnel in the prior art.
Another technical problem to be solved by the present invention is how to position the partial discharge tester to different positions in the power distribution cabinet under unmanned operation.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the power distribution cabinet device with the partial discharge monitoring function for the transformer substation comprises a cabinet body, a fixing frame, a bus clamp, a bus, a current transformer, a sliding rail, a pulley, an insulating pad, a mounting beam, an electric push rod, a mounting frame, a knife switch, a circuit breaker, an instrument box, an instrument and an indicator lamp, wherein the fixing frame is fixedly connected in the cabinet body, the bus clamp is fixedly connected at the top end of the fixing frame, the bus is connected to the bus clamp, and the current transformer is arranged on the periphery of the bus; the sliding rail is fixedly connected in the cabinet body, a pulley is connected on the sliding rail, an insulating pad is fixedly connected at the front end of the pulley, an installation beam is fixedly connected on the insulating pad, a partial discharge tester is fixedly connected on the installation beam, an electric push rod is arranged at the front end of the insulating pad, and a sensor of the partial discharge tester is bound at the free end of the electric push rod; the bus is respectively connected with a knife switch and a circuit breaker, the knife switch is fixedly connected to a mounting frame, and the mounting frame is fixedly connected to the inside of the cabinet body; the front end of the cabinet body is provided with an instrument box, and the instrument box is respectively provided with an instrument and an indicator light.
Preferably, a motor is connected to the tackle and is in transmission connection with wheels of the tackle.
Preferably, the meters comprise a power factor meter, an ammeter, an active power meter and a voltmeter.
Preferably, a door body is hinged to the front end of the cabinet body, and a handle is connected to the door body.
Preferably, the slide rail extends along the longitudinal direction, and limit stops are fixedly connected to the upper end and the lower end of the slide rail respectively.
Preferably, the two sides of the cabinet body are side plates, and at least one side plate of the cabinet body is an exhaust side plate provided with an exhaust assembly; the air exhaust side plate is hollow inside and hollow at the top, one surface of the air exhaust side plate close to the inside of the cabinet body is provided with an air vent, and one surface far away from the cabinet body is provided with an air exhaust assembly;
the top of the cabinet body is supported by a protective top plate through a stand column, and the top of the exhaust side plate is shielded by the protective top plate.
Preferably, the air exhaust assembly comprises a heat dissipation net and a heat dissipation fan.
Preferably, two L-shaped bent plates are symmetrically arranged at the top of the protective top plate; the horizontal part of the bent plate is welded with the protective top plate, and the vertical part of the bent plate starts to be provided with a butt bolt hole and a lifting hole.
Preferably, the number of the through bolt holes on each bent plate is two, and the through bolt holes are formed in the middle of the vertical part; the through bolt holes on the two bent plates correspond to each other in position; the two lifting holes on each bent plate are symmetrically arranged at the positions, close to the two ends, of the bent plate, and the positions of the lifting holes on the two bent plates are corresponding to each other.
In the technical scheme, the cabinet body is an external structure of the power distribution cabinet and is used for bearing and protecting; the fixing frame is used for bearing the bus clamp; the bus clamp is used for connecting a bus; the current transformer is used for detecting current; the sliding rail is used for the pulley to move on; the pulley is used for positioning the partial discharge tester on the pulley to the sides of different detection sites; the insulating pad is used for ensuring that components such as the mounting beam, the partial discharge tester, the electric push rod and the like are insulated from other structures including the pulley; the mounting beam is used for mounting the partial discharge tester; the electric push rod is used for driving a sensor of the partial discharge tester to move back and forth so as to realize the contact or separation of the sensor and a to-be-tested site; the sensor is an existing structure of the partial discharge tester, and the wiring mode of the sensor is implemented according to general technical knowledge in the field; the mounting frame is used for carrying a knife switch or a breaker; the knife switch is used for isolating the power supply; the circuit breaker is used for playing a role in cutting off and protecting when the current is overlarge; the instrument box is used for bearing instruments and indicator lamps; the instrument is used for showing parameters such as current, power and the like; the pilot lamp is used for indicating switch board running state.
The invention provides a power distribution cabinet device with partial discharge monitoring for a transformer substation. According to the technical scheme, the partial discharge tester is arranged in the power distribution cabinet, and a translational motion mechanism and a contact clutch mechanism are configured for the partial discharge tester. Specifically, the cabinet body is additionally provided with a fixed slide rail, a pulley is arranged on the slide rail, and the front end of the pulley adopts an insulating pad to bear components such as an installation beam, a partial discharge tester, an electric push rod and the like so as to ensure that the components are insulated from the outside; on the basis, the sensor of the partial discharge tester is bound at the front end of the electric push rod and can be driven by the electric push rod to move back and forth. Based on the structure, the partial discharge tester can be positioned at a plurality of different sites in the vertical direction by the pulley, and then the electric push rod is utilized to drive the sensor to be attached to or separated from the site to be tested, so that the detection process is completed. By applying the invention, self-detection can be realized under the condition of unmanned operation, the inspection workload can be reduced to a certain extent, the operation efficiency is improved, and the application prospect is good.
Drawings
FIG. 1 is an external structural view of the present invention from a front perspective;
FIG. 2 is an internal structural view of the present invention from a side view;
FIG. 3 is an internal structural view of the present invention from a front perspective;
FIG. 4 is a schematic structural view of the exhaust side panel and the protective roof of the present invention;
FIG. 5 is a schematic structural view of a preferred embodiment of the protective roof of the present invention;
fig. 6 is a side view schematic diagram of a preferred embodiment of the present invention.
In the figure:
1. cabinet body 2, mount 3, bus-bar clamp 4, generating line
5. Current transformer 6, slide rail 7, coaster 8, insulating pad
9. Mounting beam 10, electric push rod 11, mounting frame 12 and knife switch
13. Breaker 14, instrument box 15, instrument 16 and indicator lamp
17. Protective top plate 18, exhaust side plate 19, exhaust assembly 20 and bent plate
21. Opposite bolt holes 22 and lifting holes.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
As shown in fig. 1 to 3, the power distribution cabinet device for the transformer substation with the partial discharge monitoring comprises a cabinet body 1, a fixing frame 2, a bus clamp 3, a bus 4, a current transformer 5, a slide rail 6, a pulley 7, an insulating pad 8, an installation beam 9, an electric push rod 10, an installation frame 11, a knife switch 12, a circuit breaker 13, an instrument box 14, an instrument 15 and an indicator light 16, wherein the fixing frame 2 is fixedly connected in the cabinet body 1, the bus clamp 3 is fixedly connected at the top end of the fixing frame 2, the bus 4 is connected on the bus clamp 3, and the current transformer 5 is arranged on the periphery of the bus 4; the sliding rail 6 is fixedly connected in the cabinet body 1, the sliding rail 6 is connected with a pulley 7, the front end of the pulley 7 is fixedly connected with an insulating pad 8, the insulating pad 8 is fixedly connected with an installation beam 9, the installation beam 9 is fixedly connected with a partial discharge tester, the front end of the insulating pad 8 is provided with an electric push rod 10, and a sensor of the partial discharge tester is bound at the free end of the electric push rod 10; the bus 4 is respectively connected with a knife switch 12 and a breaker 13, the knife switch 12 is fixedly connected with an installation frame 11, and the installation frame 11 is fixedly connected with the inside of the cabinet body 1; an instrument box 14 is provided at the front end of the cabinet 1, and an instrument 15 and an indicator lamp 16 are provided in the instrument box 14.
The device has the following structural characteristics: the cabinet body 1 is an external structure of the power distribution cabinet and is used for bearing and protecting; the fixing frame 2 is used for bearing the bus clamp 3; the bus bar clamp 3 is used for connecting a bus bar 4; the current transformer 5 is used for detecting current; the sliding rail 6 is used for the pulley 7 to move on; the pulley 7 is used for positioning the partial discharge tester on the pulley to the sides of different detection sites; the insulating pad 8 is used for ensuring that components such as the mounting beam 9, the partial discharge tester, the electric push rod 10 and the like are insulated from other structures including the pulley 7; the mounting beam 9 is used for mounting a partial discharge tester; the electric push rod 10 is used for driving a sensor of the partial discharge tester to move back and forth so as to realize the contact or separation of the sensor and a to-be-tested site; the sensor is an existing structure of the partial discharge tester, and the wiring mode of the sensor is implemented according to general technical knowledge in the field; the mounting 11 is used for carrying a knife switch 12 or a circuit breaker 13; the knife switch 12 is used for isolating the power supply; the circuit breaker 13 is used for performing a cutting protection function when the current is overlarge; the instrument box 14 is used for carrying instruments 15 and indicator lamps 16; the meter 15 is used for showing parameters such as current, power and the like; the indicator light 16 is used for indicating the running state of the power distribution cabinet.
Example 2
As shown in fig. 1 to 3, the power distribution cabinet device for the transformer substation with the partial discharge monitoring comprises a cabinet body 1, a fixing frame 2, a bus clamp 3, a bus 4, a current transformer 5, a slide rail 6, a pulley 7, an insulating pad 8, an installation beam 9, an electric push rod 10, an installation frame 11, a knife switch 12, a circuit breaker 13, an instrument box 14, an instrument 15 and an indicator light 16, wherein the fixing frame 2 is fixedly connected in the cabinet body 1, the bus clamp 3 is fixedly connected at the top end of the fixing frame 2, the bus 4 is connected on the bus clamp 3, and the current transformer 5 is arranged on the periphery of the bus 4; the sliding rail 6 is fixedly connected in the cabinet body 1, the sliding rail 6 is connected with a pulley 7, the front end of the pulley 7 is fixedly connected with an insulating pad 8, the insulating pad 8 is fixedly connected with an installation beam 9, the installation beam 9 is fixedly connected with a partial discharge tester, the front end of the insulating pad 8 is provided with an electric push rod 10, and a sensor of the partial discharge tester is bound at the free end of the electric push rod 10; the bus 4 is respectively connected with a knife switch 12 and a breaker 13, the knife switch 12 is fixedly connected with an installation frame 11, and the installation frame 11 is fixedly connected with the inside of the cabinet body 1; an instrument box 14 is provided at the front end of the cabinet 1, and an instrument 15 and an indicator lamp 16 are provided in the instrument box 14. Wherein, be connected with the motor on coaster 7, the motor is connected with coaster 7's wheel transmission. The meter 15 includes a power factor meter, an ammeter, an active power meter, and a voltmeter. The front end of the cabinet body 1 is hinged with a door body, and the door body is connected with a handle. The slide rail 6 extends along the longitudinal direction, and the upper end and the lower end of the slide rail 6 are respectively and fixedly connected with a limit stop.
As shown in fig. 4-6, in order to realize efficient and reliable heat dissipation of the power distribution cabinet, in some preferred embodiments, the present invention innovatively designs preferred embodiments, wherein the two sides of the cabinet body are side plates, and at least one side plate of the cabinet body is an exhaust side plate 18 provided with an exhaust assembly 19; the air exhaust side plate 18 is hollow inside and hollow at the top, one side of the air exhaust side plate 18 close to the inside of the cabinet body 1 is provided with an air vent, and one side far away from the cabinet body is provided with an air exhaust assembly 19;
the top of the cabinet body 1 is supported by a protective top plate 17 through a stand column, and the top of the exhaust side plate 18 is shielded by the protective top plate 17. The top of the whole exhaust side plate is hollowed, so that the heat dissipation capacity (passive heat dissipation capacity) is greatly increased, the traditional passive heat dissipation is only provided with heat dissipation holes on the side surface, the top of the exhaust side plate is innovatively designed into a hollowed structure in the preferred embodiment, and the passive heat dissipation capacity is greatly increased according to the hot air rising principle; in order to prevent sundries at the hollow-out positions of the top part from entering, a protective top plate is designed, the protective top plate and the original top thickness of the cabinet body which is still thin at the same time can be thinned, and heat conduction and heat dissipation are easier.
In some preferred embodiments, the air venting assembly 19 comprises a heat dissipating mesh and a heat dissipating fan, as shown in fig. 4 and 6. Therefore, the scheme of the invention further has the function of active heat dissipation, so that the heat dissipation effect is better; passive heat dissipation can reach the requirement under the general condition, and the radiator fan can rapid cooling by temporary start when the high temperature appears, prevents that components and parts high temperature from damaging.
4-6, in order to realize the overall hoisting of the whole power distribution cabinet, the bent plate is innovatively designed in the preferred embodiment, that is, two L-shaped bent plates 20 are symmetrically installed on the top of the protection top plate; the horizontal part of the bent plate 20 is welded to the protection roof plate and the vertical part of the bent plate starts with the opposite bolt holes 21 and the lifting holes 22.
As a specific preferred scheme of the bent plate structure, the number of the through bolt holes 21 on each bent plate 20 is two, and the through bolt holes are arranged in the middle of the vertical part; the through bolt holes 21 on the two bent plates 20 correspond in position; the number of the lifting holes on each bending plate 20 is two, the two lifting holes are symmetrically arranged at the positions of the bending plate 20 close to the two ends, and the positions of the lifting holes on the two bending plates 20 are also corresponding. Therefore, 2 pairs of through bolt holes are additionally arranged on the bent plate, and during installation, M10 80 bolts are adopted for screwing and fixing, so that the cabinet bodies can be connected more tightly and reliably; meanwhile, the original independent suspension ring plate is eliminated, and 4 suspension ring plates are arranged at different positions of the bent plate instead
The lifting hole is convenient for lifting. The cabinet top bent plate integrates 2 functions of connecting the cabinet and the hanging ring.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The power distribution cabinet device with the partial discharge monitoring function for the transformer substation is characterized by comprising a cabinet body (1), a fixing frame (2), a bus clamp (3), a bus (4), a current transformer (5), a sliding rail (6), a pulley (7), an insulating pad (8), a mounting beam (9), an electric push rod (10), a mounting frame (11), a knife switch (12), a circuit breaker (13), an instrument box (14), an instrument (15) and an indicator lamp (16), wherein the fixing frame (2) is fixedly connected in the cabinet body (1), the bus clamp (3) is fixedly connected to the top end of the fixing frame (2), the bus (4) is connected to the bus clamp (3), and the current transformer (5) is arranged on the periphery of the bus (4); the sliding rail (6) is fixedly connected in the cabinet body (1), the sliding rail (6) is connected with a pulley (7), the front end of the pulley (7) is fixedly connected with an insulating pad (8), the insulating pad (8) is fixedly connected with a mounting beam (9), the mounting beam (9) is fixedly connected with a partial discharge tester, the front end of the insulating pad (8) is provided with an electric push rod (10), and a sensor of the partial discharge tester is bound at the free end of the electric push rod (10); the bus (4) is respectively connected with a knife switch (12) and a breaker (13), the knife switch (12) is fixedly connected to the mounting frame (11), and the mounting frame (11) is fixedly connected to the inside of the cabinet body (1); an instrument box (14) is arranged at the front end of the cabinet body (1), and an instrument (15) and an indicator light (16) are respectively arranged on the instrument box (14).
2. The substation power distribution cabinet device with partial discharge monitoring function according to claim 1, wherein a motor is connected to the trolley (7), and the motor is in transmission connection with wheels of the trolley (7).
3. The substation distribution cabinet device with partial discharge monitoring according to claim 1, wherein the meters (15) comprise a power factor meter, an ammeter, an active power meter, and a voltmeter.
4. The substation power distribution cabinet device with the partial discharge monitoring function according to claim 1, wherein a door body is hinged to the front end of the cabinet body (1), and a handle is connected to the door body.
5. The substation power distribution cabinet device with partial discharge monitoring function according to claim 1, wherein the slide rail (6) extends longitudinally, and limit stops are fixedly connected to the upper end and the lower end of the slide rail (6) respectively.
6. The substation power distribution cabinet device with partial discharge monitoring function according to claim 1, wherein two sides of the cabinet body are side plates, and at least one side plate of the cabinet body is an exhaust side plate provided with an exhaust assembly; the air exhaust side plate is hollow inside and hollow at the top, one surface of the air exhaust side plate close to the inside of the cabinet body is provided with an air vent, and one surface far away from the cabinet body is provided with an air exhaust assembly;
the top of the cabinet body is supported by a protective top plate through a stand column, and the top of the exhaust side plate is shielded by the protective top plate.
7. The substation power distribution cabinet device with partial discharge monitoring according to claim 6, wherein: the air exhaust assembly comprises a heat dissipation net and a heat dissipation fan.
8. The substation power distribution cabinet device with partial discharge monitoring according to claim 6, wherein: two L-shaped bent plates are symmetrically arranged at the top of the protective top plate; the horizontal part of the bent plate is welded with the protective top plate, and the vertical part of the bent plate starts to be provided with a butt bolt hole and a lifting hole.
9. The substation power distribution cabinet device with partial discharge monitoring according to claim 8, wherein: the number of the through bolt holes on each bent plate is two, and the through bolt holes are formed in the middle of the vertical part; the through bolt holes on the two bent plates correspond to each other in position; the two lifting holes on each bent plate are symmetrically arranged at the positions, close to the two ends, of the bent plate, and the positions of the lifting holes on the two bent plates are corresponding to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158497.1A CN112332238A (en) | 2020-10-26 | 2020-10-26 | Transformer substation power distribution cabinet device with partial discharge monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158497.1A CN112332238A (en) | 2020-10-26 | 2020-10-26 | Transformer substation power distribution cabinet device with partial discharge monitoring function |
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| CN112332238A true CN112332238A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011158497.1A Pending CN112332238A (en) | 2020-10-26 | 2020-10-26 | Transformer substation power distribution cabinet device with partial discharge monitoring function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114039283A (en) * | 2021-11-16 | 2022-02-11 | 国网新疆电力有限公司吐鲁番供电公司 | Armored switch cabinet for high-voltage chamber of transformer substation |
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| CN203398608U (en) * | 2013-06-17 | 2014-01-15 | 湖南楚天电气工业有限公司 | Low-voltage draw-out type complete set switch device |
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| CN206585239U (en) * | 2017-02-16 | 2017-10-24 | 谭鑫 | A kind of dust-proof radiating type power distribution cabinet |
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Application publication date: 20210205 |
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| RJ01 | Rejection of invention patent application after publication |