CN112803290B - A miniaturized mobile box-type substation - Google Patents

A miniaturized mobile box-type substation Download PDF

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Publication number
CN112803290B
CN112803290B CN202110228206.XA CN202110228206A CN112803290B CN 112803290 B CN112803290 B CN 112803290B CN 202110228206 A CN202110228206 A CN 202110228206A CN 112803290 B CN112803290 B CN 112803290B
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CN
China
Prior art keywords
chamber
room
box
transformer
breaker
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Active
Application number
CN202110228206.XA
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Chinese (zh)
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CN112803290A (en
Inventor
苗志锋
李一松
代东生
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JILIN JINGUAN ELECTRIC CO Ltd
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JILIN JINGUAN ELECTRIC CO Ltd
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Priority to CN202110228206.XA priority Critical patent/CN112803290B/en
Publication of CN112803290A publication Critical patent/CN112803290A/en
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Publication of CN112803290B publication Critical patent/CN112803290B/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00—Enclosed substations, e.g. compact substations
    • H02B7/06—Distribution substations, e.g. for urban network
    • 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
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • 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
    • H02B1/306—Accessories, e.g. windows
    • 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
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention relates to a miniaturized mobile box-type substation, belonging to the technical field of electrical equipment; comprising the following steps: closed handcart room, vacuum load switch fuse combined electrical apparatus handcart, dry-type transformer, measurement room, circuit breaker room, transformer room, cable outlet room, go up inlet room, down inlet room, full insulation full screen plug, meter, frame circuit breaker, moulded case circuit breaker, electric capacity room, intelligent integrated capacitor, emergency power plug; the miniature transformer substation is suitable for more working environments, shortens the on-site power failure time, combines the vacuum arc extinguishing chamber with the current limiting fuse, changes the mode that a switch cabinet is adopted on the high-voltage side of the box-type transformer substation, and adopts the characteristic of dual power supply reliability on the low-voltage side, namely an emergency power plug matched with a power generation vehicle is configured, the power utilization load can be directly powered by the transformer of the equipment, the reliable operation of the on-site power utilization load is ensured by dual power supply, and precious time is striven for troubleshooting and repairing of electric personnel.

Description

Miniaturized portable box-type substation
Technical Field
The invention belongs to the field of electrical equipment, and particularly relates to a miniaturized mobile box-type substation.
Background
In the technical field of the current electrical equipment, the application of the box-type transformer substation is more and more widespread, but the electrical failure occurrence rate of the box-type transformer substation is more and more frequent. After the fault occurs, because the box-type transformer substation is large and heavy in volume, the transportation and replacement are very inconvenient, and electric staff often need a certain time through investigation and repair, a certain area of power failure condition is caused, and particularly in some key areas, such as hospitals, banks and industrial and mining enterprises, the power failure for a long time is included in residential communities, so that the daily life of people is influenced, and economic property loss and even life safety of people are more seriously possibly involved.
Therefore, there is a strong need in the art for a solution to the above-mentioned problems.
Disclosure of Invention
Aiming at the problems, the invention provides a miniaturized mobile box-type transformer substation, which can timely and effectively transport the transformer substation to a fault place when the field power distribution equipment cannot be used due to electric faults, maximally shortens the field power failure time, is provided with an emergency power plug matched with a power generation vehicle to replace field damaged power distribution equipment, and has the characteristics of ensuring the reliable operation of field power loads and competing for valuable time for troubleshooting and repair of electric staff.
A miniaturized mobile box-type substation is characterized by comprising a substation box body;
The inside of the transformer substation box body is provided with a 2mm thick metal aluminum zinc plated plate, the 2mm thick metal aluminum zinc plated plate divides the inside of the transformer substation box body into different inner cavities, and the 2mm thick metal aluminum zinc plated plate is provided with a connecting through hole, wherein the inner cavities comprise a closed handcart room, a metering room, a circuit breaker room, a transformer room, a cable outlet room, an upper inlet room, a lower inlet room and a capacitor room;
a JZ-10Q insulator and a JYZ-05 insulator are also arranged in the transformer substation box body;
the base of the transformer substation box body is also provided with a bearing pulley;
The lower wire inlet chamber comprises a full-insulation full-screen plug which is inserted on the 236 sleeve;
The upper inlet wire chamber comprises a wall bushing;
The vacuum load switch-fuse combined electric appliance handcart is arranged in the closed handcart room, and an observation window is also arranged on a cabinet door of the closed handcart room;
the vacuum load switch-fuse combined electrical apparatus handcart comprises a vacuum arc-extinguishing chamber, a contact arm and a chassis;
the vacuum arc-extinguishing chamber is arranged on a chassis truck, the chassis truck is arranged on a track which seals the bottom surface of the handcart chamber, and the vacuum arc-extinguishing chamber is provided with a contact arm;
the chassis trolley is provided with an operation crank, and mechanical interlocking is arranged between the chassis trolley and a cabinet door for sealing a handcart room, so that electrical misoperation is prevented;
the inner wall of one side of the closed handcart room is symmetrically provided with an upper contact box and a lower contact box, the number of the upper contact box is the same as that of the lower contact box, and the upper contact boxes and the lower contact boxes are arranged in one-to-one correspondence;
The upper contact box and the lower contact box are matched with the contact arms in a one-to-one correspondence manner, and the number of the contact arms is the sum of the number of the upper contact box and the number of the lower contact box;
Static contacts are arranged in the upper contact box and the lower contact box;
a dry-type transformer is arranged in the transformer chamber;
a meter gauge is arranged in the metering chamber;
A breaker chamber is arranged below the metering chamber, and a frame breaker is arranged in the breaker chamber;
The capacitor chamber is in contact with the metering chamber and the breaker chamber, and an intelligent integrated capacitor is arranged in the capacitor chamber;
The cable outlet chamber is arranged below the breaker chamber and the capacitor chamber, and a plastic shell breaker and an emergency power plug are arranged in the cable outlet chamber;
the cable outlet chamber is semi-closed and open, so that the molded case circuit breaker and the emergency power plug are conveniently connected with the outside;
the cabinet doors are respectively arranged on the outer walls of the transformer substation boxes of the metering chamber, the breaker chamber, the upper inlet wire chamber and the capacitor chamber, the cabinet doors are 2mm thick metal aluminum zinc plated cabinet doors, and door locks are arranged on the cabinet doors;
One end of the dry-type transformer is connected with a lower contact box through a copper bus, an upper contact box sequentially penetrates through a wall bushing and an upper inlet wire chamber to enter the lower inlet wire chamber through a copper bus I, the copper bus I is connected with a fully-insulated full-screen plug, and the copper bus I is connected with the inner wall of a transformer substation box body through a JZ-10Q insulator;
The other end of the dry-type transformer passes through the metering chamber through a copper bus II to enter the breaker chamber, the copper bus II is connected with the frame breaker, and the copper bus II is connected with the inner wall of the transformer substation box body through a JYZ-05 insulator;
the molded case circuit breaker is connected with the output end of the frame circuit breaker, and the molded case circuit breaker is also connected with an emergency power plug.
The 236 sleeve meets the requirements of an electric gap of 125mm and a creepage distance of 250mm.
The lower incoming line room is also provided with a cabinet door, and the cabinet door is provided with a door lock.
The observation window is an interlayer of explosion-proof glass and a shielding net.
The fixing mode of the dry-type transformer is bolt connection.
The number of the upper contact boxes and the lower contact boxes is three, the three upper contact boxes are horizontally arranged at equal intervals, the three lower contact boxes are correspondingly arranged below the three upper contact boxes, and the three lower contact boxes are located at the same horizontal height.
The transformer substation box body base is a channel steel base.
The invention has the beneficial effects that the design provides a miniaturized transformer substation, the transportation is more convenient, the internal layout is compact, the occupied area is small, the timeliness of field electricity utilization is met to the greatest extent, the high-voltage side adopts the mobile vacuum load switch-fuse combined electric appliance handcart, the mode that the high-voltage side of the traditional box-type transformer substation adopts a switch cabinet is changed, the raw materials are saved, the cost is reduced, the equipment is convenient to maintain and replace on site, the low-voltage side adopts the characteristic of double power supply reliability, namely, an emergency power plug matched with a power generation vehicle is configured, when the transformer is not used for supplying power, the fuse handcart is pulled out, the field power generation vehicle is connected with the emergency power plug of the equipment, and the field electricity transmission is completed through the distribution of a molded case circuit breaker, so that the use is flexible, and the power supply range is increased.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram III of the structure of the present invention;
In the figure, the three-phase-change type high-voltage power supply comprises a 1-JZ-10Q insulator, a 2-vacuum arc extinguishing chamber, a 3-contact arm, a 4-contact box, a 5-JYZ-05 insulator, a 6-closed handcart room, a 7-vacuum load switch-fuse combined electric appliance handcart, an 8-static contact, a 9-chassis, a 10-dry type transformer, an 11-bearing pulley, a 12-metering chamber, a 13-circuit breaker room, a 14-transformer room, a 15-cable outgoing room, a 16-wall bushing, a 17-upper incoming room, a 18-236 bushing, a 19-lower incoming room, a 20-full-insulation full-screen plug, a 21-observation window, a 22-channel steel base, a 23-metering gauge, a 24-frame circuit breaker, a 25-plastic shell circuit breaker, a 26-capacitor room, a 27-intelligent integrated capacitor, a 28-emergency power supply plug, a 31-copper bus I, a 32-copper bus II, a 41-upper contact box and a 42-lower contact box.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
a miniaturized mobile box-type substation is characterized by comprising a substation box body;
The inside of the transformer substation box body is provided with a 2mm thick metal aluminum zinc plating plate, the 2mm thick metal aluminum zinc plating plate divides the inside of the transformer substation box body into different inner cavities, and the 2mm thick metal aluminum zinc plating plate is provided with connecting through holes, wherein the inner cavities comprise a closed handcart room 6, a metering room 12, a breaker room 13, a transformer room 14, a cable outlet room 15, an upper inlet room 17, a lower inlet room 19 and a capacitor room 26;
A JZ-10Q insulator 1 and a JYZ-05 insulator 5 are also arranged in the transformer substation box body;
the base of the transformer substation box body is also provided with a bearing pulley 11;
the lower wire inlet chamber 19 comprises a fully insulated fully shielded plug 20, and the fully insulated fully shielded plug 20 is spliced on the 236 sleeve 18;
The upper inlet wire chamber 17 comprises a wall bushing 16;
the vacuum load switch-fuse combined electrical appliance handcart 7 is arranged in the closed handcart room 6, and an observation window 21 is also arranged on a cabinet door of the closed handcart room 6;
The vacuum load switch-fuse combined electrical apparatus handcart 7 comprises a vacuum arc-extinguishing chamber 2, a contact arm 3 and a chassis trolley 9;
The vacuum arc-extinguishing chamber 2 is arranged on a chassis truck 9, the chassis truck 9 is arranged on a track for sealing the bottom surface of the handcart chamber 6, and the vacuum arc-extinguishing chamber 2 is provided with a contact arm 3;
Wherein an operation crank is arranged on the chassis trolley 9, and mechanical interlocking is also arranged between the chassis trolley 9 and a cabinet door for sealing the handcart room 6, so that electrical misoperation is prevented;
An upper contact box 41 and a lower contact box 42 are symmetrically arranged on the inner wall of one side of the closed handcart room 6, the number of the upper contact boxes 41 is the same as that of the lower contact boxes 42, and the upper contact boxes 41 and the lower contact boxes 42 are arranged in a one-to-one correspondence manner;
The upper contact box 41 and the lower contact box 42 are matched with the contact arms 3 in a one-to-one correspondence manner, and the number of the contact arms 3 is the sum of the numbers of the upper contact box 41 and the lower contact box 42;
The upper contact box 41 and the lower contact box 42 are internally provided with fixed contacts 8;
A dry-type transformer 10 is arranged in the transformer chamber 14;
A meter 23 is arranged in the metering chamber 12;
a breaker chamber 13 is arranged below the metering chamber 12, and a frame breaker 24 is arranged in the breaker chamber 13;
The capacitance chamber 26 is in contact with the metering chamber 12 and the breaker chamber 13, and an intelligent integrated capacitor 27 is arranged in the capacitance chamber 26;
The cable outlet chamber 15 is arranged below the breaker chamber 13 and the capacitor chamber 26, and a molded case breaker 25 and an emergency power plug 28 are arranged in the cable outlet chamber 15;
The cable outlet chamber 15 is semi-closed and open, so that the molded case circuit breaker 25 and the emergency power plug 28 are conveniently connected with the outside;
The cabinet doors are arranged on the outer walls of the transformer substation boxes of the metering chamber 12, the breaker chamber 13, the upper inlet wire chamber 17 and the capacitor chamber 26, the cabinet doors are 2mm thick metal aluminum zinc plate cabinet doors, and door locks are arranged on the cabinet doors;
One end of the dry-type transformer 10 is connected with a lower contact box 42 through a copper bus, an upper contact box 41 sequentially passes through a wall bushing 16 and an upper inlet wire chamber 17 to enter a lower inlet wire chamber 19 through a copper bus I31, the copper bus I31 is connected with a fully-insulated full-shielding plug 20, and the copper bus I31 is connected with the inner wall of a transformer substation box body through a JZ-10Q insulator 1;
the other end of the dry-type transformer 10 passes through the metering chamber 12 and enters the breaker chamber 13 through a copper bus II32, the copper bus II32 is connected with the frame breaker 24, and the copper bus II32 is connected with the inner wall of the transformer substation box body through a JYZ-05 insulator 5;
the molded case circuit breaker 25 is connected with the output end of the frame circuit breaker 24, and the molded case circuit breaker 25 is also connected with an emergency power plug 28.
The 236 sleeve 18 meets the electrical clearance of 125mm and the creepage distance of 250mm.
A cabinet door is further arranged on the lower incoming line chamber 19, and a door lock is arranged on the cabinet door.
The observation window 21 is an interlayer of explosion-proof glass and a shielding net.
The dry-type transformer 10 is fixed by bolting.
The number of the upper contact boxes 41 and the lower contact boxes 42 is three, the three upper contact boxes 41 are horizontally and equidistantly arranged, the three lower contact boxes 42 are correspondingly arranged below the three upper contact boxes 41, and the three lower contact boxes 42 are at the same horizontal height.
The substation box base is a channel steel base 22.
The emergency power plug 28 is specially matched with a power generation vehicle to supply power, and is plug and play, so that the diversity and the selectivity of field load power utilization are enhanced.
A door lock is arranged on a cabinet door of the lower incoming line chamber 19, so that the protection level requirement is met, and the mistaken entering of an electrified interval is prevented;
The vacuum load switch-fuse combined electric apparatus handcart 7 is provided with a test position and a working position, when the vacuum load switch-fuse combined electric apparatus handcart 7 is in the test position, the contact arm 3 is not inserted into the upper contact box 41 and the lower contact box 42, whether the secondary electric part of the combined electric apparatus handcart 7 is good or not can be detected, if the secondary electric part is good or not, the vacuum load switch-fuse combined electric apparatus handcart 7 can be pushed into the working position, at the moment, the contact arm 3 is inserted into the upper contact box 41 and the lower contact box 42, and the equipment is put into operation.
The dry-type transformer 10 is a transformer with small capacity and small volume;
The metering chamber 12, the breaker chamber 13, the upper inlet wire chamber 17 and the capacitor chamber 26 are all made of 2mm thick metal aluminum zinc plating materials on the outer wall of the transformer substation box body, and a cabinet door and a door lock are arranged, so that the protection level requirements are met, and the protection level between the chambers reaches IP2XC.
The space of the cable outlet chamber 15 adopts a semi-closed opening type to meet the requirement of on-site cable access, and the bottom is provided with a hole and performs plugging measures.
The portable box-type transformer substation has the advantages that 1, the portable box-type transformer substation is miniaturized, the defects of large size and heavy lifting of the traditional box-type transformer substation are overcome, transportation is convenient and quick, the internal layout is compact, the occupied area is small, labor waste is reduced, working efficiency is improved, timeliness of site electricity utilization is met to the greatest extent, 2, the portable vacuum load switch-fuse combined electric appliance handcart is adopted on the high-voltage side, a vacuum arc extinguishing chamber and a current limiting fuse are organically combined together, the mode that the switch cabinet is adopted on the high-voltage side of the traditional box-type transformer substation is changed, raw materials are saved, cost is reduced, an electric protection effect is achieved, maintenance and replacement of equipment are facilitated on site, 3, the dual power supply reliability is adopted on the low-voltage side, namely, an emergency power plug matched with a power generation car is configured, electricity load can be directly supplied by a transformer of the equipment, when the transformer is not adopted, the fuse handcart is pulled out, the emergency power plug of the equipment is connected with the equipment through the site power generation car, site electricity utilization is also distributed through a plastic shell circuit breaker, site electricity transmission is completed, and the power supply range is flexible, and the power supply range is increased.
The operation steps of the equipment are approximately as follows:
1. pushing the vacuum load switch-fuse combined electric appliance handcart 7 to the working position of the closed handcart room 6 to finish primary connection.
2. An energy storage handle, a closing button and a separating button are arranged on the vacuum load switch-fuse combined electrical apparatus handcart 7, and the energy storage handle is rotated to store energy for the equipment, so that closing or separating operation can be performed after the energy is stored.
3. The frame breaker 24 is operated to store energy, close or open, and the principle is the same as that of the vacuum load switch-fuse combined electric appliance handcart 7.
4. The molded case circuit breaker 25 is provided with a handle that is pushed up to a closing position.
As described above, the power transmission operation steps of the present apparatus are completed.

Claims (7)

1. A miniaturized mobile box-type substation is characterized by comprising a substation box body;
The inside of the transformer substation box body is provided with a 2mm thick metal aluminum zinc plating plate, the 2mm thick metal aluminum zinc plating plate divides the inside of the transformer substation box body into different inner cavities, and the 2mm thick metal aluminum zinc plating plate is provided with connecting through holes, wherein the inner cavities comprise a closed handcart room (6), a metering room (12), a circuit breaker room (13), a transformer room (14), a cable outlet room (15), an upper inlet room (17), a lower inlet room (19) and a capacitor room (26);
A JZ-10Q insulator (1) and a JYZ-05 insulator (5) are also arranged in the transformer substation box body;
the base of the transformer substation box body is also provided with a bearing pulley (11);
the lower wire inlet chamber (19) comprises a fully-insulated fully-shielded plug (20), and the fully-insulated fully-shielded plug (20) is spliced on a 236 sleeve (18);
The upper inlet wire chamber (17) comprises a wall bushing (16);
the vacuum load switch-fuse combined electric appliance handcart (7) is arranged in the closed handcart room (6), and an observation window (21) is also arranged on a cabinet door of the closed handcart room (6);
The vacuum load switch-fuse combined electrical apparatus handcart (7) comprises a vacuum arc extinguishing chamber (2), a contact arm (3) and a chassis vehicle (9);
The vacuum arc-extinguishing chamber (2) is arranged on a chassis truck (9), the chassis truck (9) is arranged on a track for sealing the bottom surface of the handcart chamber (6), and the vacuum arc-extinguishing chamber (2) is provided with a contact arm (3);
The chassis trolley (9) is provided with an operation crank, and mechanical interlocking is arranged between the chassis trolley (9) and a cabinet door for sealing the handcart room (6) to prevent electrical misoperation;
an upper contact box (41) and a lower contact box (42) are symmetrically arranged on the inner wall of one side of the closed handcart room (6), the number of the upper contact boxes (41) is the same as that of the lower contact boxes (42), and the upper contact boxes (41) and the lower contact boxes (42) are arranged in one-to-one correspondence;
The upper contact box (41) and the lower contact box (42) are matched with the contact arms (3) in a one-to-one correspondence manner, the number of the contact arms (3) is the sum of the number of the upper contact box (41) and the number of the lower contact box (42), and the contact arms (3) enter the corresponding upper contact box (41) or lower contact box (42) when the chassis (9) moves;
The upper contact box (41) and the lower contact box (42) are internally provided with fixed contacts (8);
A dry-type transformer (10) is arranged in the transformer chamber (14);
A meter (23) is arranged in the metering chamber (12);
a breaker chamber (13) is arranged below the metering chamber (12), and a frame breaker (24) is arranged in the breaker chamber (13);
the capacitor chamber (26) is in contact with the metering chamber (12) and the breaker chamber (13), and an intelligent integrated capacitor (27) is arranged in the capacitor chamber (26);
the cable outlet chamber (15) is arranged below the breaker chamber (13) and the capacitor chamber (26), and a molded case breaker (25) and an emergency power plug (28) are arranged in the cable outlet chamber (15);
the cable outlet chamber (15) is semi-closed and open, so that the molded case circuit breaker (25) and the emergency power plug (28) are conveniently connected with the outside;
the metering chamber (12), the breaker chamber (13), the upper incoming line chamber (17) and the capacitor chamber (26) are all provided with cabinet doors on the outer walls of the transformer substation boxes, the cabinet doors are 2mm thick metal aluminum zinc plate cabinet doors, and door locks are arranged on the cabinet doors;
One end of the dry-type transformer (10) is connected with a lower contact box (42) through a copper bus, an upper contact box (41) sequentially passes through a wall bushing (16) and an upper inlet wire chamber (17) through a copper bus I (31) to enter a lower inlet wire chamber (19), the copper bus I (31) is connected with a fully-insulated full-shielding plug (20), and the copper bus I (31) is connected with the inner wall of a transformer substation box body through a JZ-10Q insulator (1);
The other end of the dry-type transformer (10) passes through a metering chamber (12) and enters a breaker chamber (13) through a copper bus II (32), the copper bus II (32) is connected with a frame breaker (24), and the copper bus II (32) is connected with the inner wall of a transformer substation box body through a JYZ-05 insulator (5);
The plastic shell circuit breaker (25) is connected with the output end of the frame circuit breaker (24), and the upper opening of the plastic shell circuit breaker (25) is also connected with the emergency power plug (28).
2. A miniaturized mobile box-type substation according to claim 1, characterized in that said 236 bushing (18) fulfils an electrical clearance of 125mm and a creepage distance of 250mm.
3. The miniaturized mobile box-type substation according to claim 1, characterized in that a cabinet door is further arranged on the lower incoming line chamber (19), and a door lock is arranged on the cabinet door.
4. A miniaturized mobile box-type substation according to claim 1, characterized in that the viewing window (21) is an explosion-proof glass and shielding net interlayer.
5. A miniaturized mobile box-type substation according to claim 1, characterized in that the fixing means of the dry-type transformer (10) are bolting.
6. The miniaturized mobile box-type substation according to claim 1, wherein the number of the upper contact boxes (41) and the lower contact boxes (42) is three, the three upper contact boxes (41) are horizontally and equidistantly arranged, the three lower contact boxes (42) are correspondingly arranged below the three upper contact boxes (41), and the three lower contact boxes (42) are positioned at the same horizontal height.
7. A miniaturized mobile substation according to claim 1, characterized in that the substation box base is a channel base (22).
CN202110228206.XA 2021-03-02 2021-03-02 A miniaturized mobile box-type substation Active CN112803290B (en)

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CN114204451A (en) * 2021-12-15 2022-03-18 海南电网有限责任公司昌江供电局 Emergency power generation device with mute function
CN119171222B (en) * 2024-10-22 2025-02-18 国网吉林省电力有限公司经济技术研究院 Waterproof type movable power transformation equipment

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