CN219625575U

CN219625575U - Compact type underground substation detection test impact generator

Info

Publication number: CN219625575U
Application number: CN202223600266.9U
Authority: CN
Inventors: 张炳生; 孙勇
Original assignee: YANGZHOU XINYUAN ELECTRIC CO Ltd
Current assignee: YANGZHOU XINYUAN ELECTRIC CO Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-09-01
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a compact type underground transformer substation detection test impact generator. The generator comprises a charging voltage device, a silicon rectifying tube, a stage voltage side face high-voltage arm, a charging protection resistor, a main capacitor, a wave tail resistor, a discharging switch, an insulating shell, an equalizing ring and a movable chassis; the utility model discloses a high-voltage power supply device, including insulating shell, main electric capacity, discharge switch, the insulating shell install on removing the chassis, the equalizer ring set up in insulating shell upper end, insulating shell side set up a plurality of insulation compartments, the silicon rectifier tube set up in insulation compartment, the fixed setting of level voltage side face high-voltage arm on removing the chassis, insulating shell in be equipped with insulating barrier, charging protection resistance connect in insulating barrier's lower part, main electric capacity and discharge switch set up in insulating barrier's upper portion. All components are enclosed in the insulating shell, the field is not required to be assembled again, the complex field installation is effectively solved, the whole volume of the equipment is reduced by adopting insulating gas as an insulating medium, the problem of huge volume is effectively solved, and the lifting and moving truckles are arranged, so that the equipment is convenient to transport and move on site.

Description

Compact type underground substation detection test impact generator

Technical Field

The utility model relates to a small lightning impulse voltage test device for an underground transformer substation or a field, in particular to a compact underground transformer substation detection test impulse generator.

Background

The existing impulse voltage generating device has a plurality of defects: the volume is huge, and the open-type occupied area is large; the field installation and debugging are complex, the assembly is needed again, the transportation and the field movement are inconvenient, and the field test cannot be effectively performed.

Disclosure of Invention

The utility model aims to provide a compact underground transformer substation detection test impact generator which is compact in structure, small in occupied area, reliable in operation and convenient to move, so that the problems in the prior art are solved.

The technical scheme of the utility model is as follows: the compact type underground transformer substation detection test impact generator comprises a charging voltage device, a silicon rectifying tube, a stage voltage side face high-voltage arm, a charging protection resistor, a main capacitor, a wave tail resistor, a discharging switch, an insulating shell, an equalizing ring and a movable chassis;

the utility model discloses a high-voltage power supply device, including insulating shell, main electric capacity, discharge switch, the insulating shell install on removing the chassis, the equalizer ring set up in insulating shell upper end, insulating shell side set up a plurality of insulation compartments, the silicon rectifier tube set up in insulation compartment, the fixed setting of level voltage side face high-voltage arm on removing the chassis, insulating shell in be equipped with insulating barrier, charging protection resistance connect in insulating barrier's lower part, main electric capacity and discharge switch set up in insulating barrier's upper portion.

Preferably, the discharging switch, the wave tail resistor, the main capacitor, the charging protection resistor, the stage voltage side face high voltage arm and the silicon rectifying tube are arranged in the insulating shell.

Preferably, the silicon rectifying tube is connected with the stage voltage side face high-voltage arm through an insulated metal wire.

Preferably, the insulating partition is overhead by four high strength insulating supports.

Preferably, the discharge switch spans over two high potential electrodes of the main capacitor.

Preferably, the wave tail resistor spans over two low potential electrodes of the main capacitor.

The beneficial effects of the utility model are as follows: all components are all enclosed in the insulating shell, the field is not required to be assembled again, the complex field installation is effectively solved, insulating gas is adopted as an insulating medium, the whole volume of the equipment is reduced, the problem of huge volume is effectively solved, and the lifting and moving truckles are arranged, so that the transportation and the field movement are convenient.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic side view of the structure of fig. 1.

In the figure, 1 is a charging voltage device, 2 is a silicon rectifying tube, 3 is a stage voltage side face high-voltage arm, 4 is a charging protection resistor, 5 is a main capacitor, 6 is a wave tail resistor, 7 is a discharging switch, 8 is an insulating shell, 9 is a equalizing ring, and 10 is a mobile chassis.

Detailed Description

The compact type underground transformer substation detection test impact generator comprises a charging voltage device 1, a silicon rectifying tube 2, a stage voltage side face high-voltage arm 3, a charging protection resistor 4, a main capacitor 5, a wave tail resistor 6, a discharging switch 7, an insulating shell 8, a equalizing ring 9 and a movable chassis 10;

the utility model discloses a high-voltage power supply device, including insulating housing 8, main electric capacity 5, discharge switch 7, main electric capacity 4, insulating housing 8 install on moving chassis 10, equalizing ring 9 set up in insulating housing 8 upper end, insulating housing 8 side set up a plurality of insulating cabins, silicon rectifying tube 2 set up in insulating cabins, level voltage side face high-voltage arm 3 fixed the setting on moving chassis 10, insulating housing 8 in be equipped with insulating barrier, charging protection resistance 4 connect in insulating barrier's lower part, main electric capacity 5 and discharge switch 7 set up in insulating barrier's upper portion.

The discharging switch 7, the wave tail resistor 6, the main capacitor 5, the charging protection resistor 4, the stage voltage side face high voltage arm 3 and the silicon rectifying tube 2 are arranged in the insulating shell 8.

The silicon rectifying tube 2 is connected with the stage voltage side face high-voltage arm 3 through an insulated metal wire.

The insulating partition is overhead through four high-strength insulating supports.

The discharging switch 7 spans over two high-potential electrodes of the main capacitor 5, the wave tail resistor 6 spans over two low-potential electrodes of the main capacitor 5, one section of the wave tail resistor is grounded, and the other end of the wave tail resistor is high-voltage output;

in the utility model, a charging voltage device 1 adopts gas insulation as an energy source of the device and is placed on a metal mobile chassis 10; the silicon rectifying tube 2 adopts a bidirectional silicon rectifying tube, the rectifying tube adopts an inlet high-quality rectifying tube to rectify the output voltage of charging and voltage transformation respectively, the rectifying tube selects 1/2 of the actual use voltage, meanwhile, the silicon rectifying tube also adopts SF6 insulating gas for insulation, the silicon rectifying tube can safely and reliably operate, the document operation of equipment is ensured, the silicon rectifying tube adopts a manual insertion type, and the polarity of the output voltage of the equipment is changed by changing the positions of the two silicon rectifying tubes; the stage voltage measuring high-voltage arm 3 is used for measuring the voltage rectified by the silicon rectifying tube 2 (namely measuring the charging voltage of the device) and collecting and monitoring the charging voltage of the device so as to meet the test requirement; the charging protection resistor 4 is used for protecting the silicon rectifying tube 2, when the test is abnormal, overvoltage and overcurrent conditions can occur in the system, and the series protection resistor can inhibit the overvoltage and overcurrent to protect the silicon rectifying tube; the main capacitor 5 is an energy storage element of the device, the capacitor adopts a high-quality dry metal film capacitor, and insulating paint which does not react with insulating gas is sprayed on the surface of the capacitor; the discharging switch 7 is a conducting discharging component of the device, and when the energy storage of the pulse capacitor meets the test requirement, the switch is controlled to be conducted by adjusting the air pressure in the switch, so that high pulse voltage is output; the wave tail resistor 6 is a wave regulating original in the device, and adjusts the resistance according to different capacitance values of the sample, so that the output waveform meets the test standard requirement; the equalizing ring 9 is a equalizing element of the impulse voltage device, and is made of aluminum alloy, so that the processing difficulty is low and the weight is light and convenient to transport.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Standard parts used by the utility model can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Compact underground substation detects experimental impulse generator, its characterized in that: the generator comprises a charging voltage device (1), a silicon rectifying tube (2), a stage voltage side face high-voltage arm (3), a charging protection resistor (4), a main capacitor (5), a wave tail resistor (6), a discharging switch (7), an insulating shell (8), an equalizing ring (9) and a movable chassis (10);

the utility model provides a mobile power supply device, including insulating casing (8), equalizing ring (9), insulating casing (8) side set up a plurality of insulating cabins, silicon rectifier tube (2) set up in insulating cabins, level voltage side face high voltage arm (3) fixed the setting on mobile chassis (10), insulating casing (8) in be equipped with insulating barrier, charging protection resistance (4) connect in insulating barrier's lower part, main electric capacity (5) and discharge switch (7) set up in insulating barrier's upper portion.

2. The compact underground substation detection test impact generator of claim 1, wherein: the discharging switch (7), the wave tail resistor (6), the main capacitor (5), the charging protection resistor (4), the stage voltage side face high-voltage arm (3) and the silicon rectifying tube (2) are arranged in the insulating shell (8).

3. The compact underground substation detection test impact generator of claim 1, wherein: the silicon rectifying tube (2) is connected with the stage voltage side face high-voltage arm (3) through an insulated metal wire.

4. The compact underground substation detection test impact generator of claim 1, wherein: the insulating partition is overhead through four high-strength insulating supports.

5. The compact underground substation detection test impact generator of claim 1, wherein: the discharge switch (7) spans over two high-potential electrodes of the main capacitor (5).

6. The compact underground substation detection test impact generator of claim 1, wherein: the wave tail resistor (6) spans over two low-potential electrodes of the main capacitor (5).