CN105375376A - Combined substation electrical switch cabinet - Google Patents
Combined substation electrical switch cabinet Download PDFInfo
- Publication number
- CN105375376A CN105375376A CN201510550710.6A CN201510550710A CN105375376A CN 105375376 A CN105375376 A CN 105375376A CN 201510550710 A CN201510550710 A CN 201510550710A CN 105375376 A CN105375376 A CN 105375376A
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Abstract
The invention discloses a combined substation electrical switch cabinet. After an inlet high-voltage cable is fixed by a high-voltage cable bracket (23), one end of the inlet cable is connected to a high-voltage bus (12) of a high-voltage cable room (35). The high-voltage bus passes through a wall bushing (13) rightwards to an upper pile head of a load switch (10) of a load switch fuse combination (31), the load switch leads out the high-voltage bus to make the high-voltage bus connected to a high-voltage fuse (4), and the lower pile head of the high-voltage fuse (4) is connected with a grounding switch (1). A high-voltage bus (21) is led out from the lower side of the high-voltage fuse, and the high-voltage bus (21) passes through a wall bushing (3) to be connected with a transformer (20) placed inside a transformer room (33) to the lower right of the cabinet body. After being transformed by the transformer, power is guided by a low-voltage bus (18) to a low-voltage room (32) above the transformer room. Outlet lines of low-voltage switches (16, 17) in the low-voltage room are led to a low-voltage cable room (34) behind the left side of the cabinet body. Bus connection between the units of the switch cabinet is convenient, and the switch cabinet occupies a small space and covers a small area.
Description
Technical field
The present invention relates to a kind of transforming plant switch cubicle, particularly relate to a kind of prefabricated substation switch cabinet.This switch cubicle is applicable in the transformer station of 35 ~ 220kV, as the electricity supply device special of transformer station's inside corollary equipment.
Background technology
Transformer station is voltage of transformation in electric power system, acceptance and distribution electric energy, the flow direction of control electric power and the electric power facility of adjustment voltage.In transformer station, the method for salary distribution of electricity consumption is placed separately high-tension switch cabinet, transformer, low-tension switch cabinet three kinds of equipment, and coupled together the electricity consumption method of salary distribution realizing transformer station inside by bus.Circuit is belong to the equipment by, distribution end.In a kind of typical existing transformer station, electricity consumption is powered and is arranged as shown in Figure 1, in figure, left side is high-tension switch cabinet 41, by high voltage bus 42 outlet from the side after the long cable section of ingoing line of bottom to transformer 43, after changing voltage into 0.4kV from 10kV by transformer 43 again, be sent to low-tension switch cabinet 45 via low-voltage bus bar 44, distribute electricity consumption in station that electric energy meets transformer station by the low tension switch in low-tension switch cabinet 45.This kind of layout relates to the stand-alone power distribution equipment of three kinds of different voltages, take up room and area all larger, simultaneously because protection and handling safety must be noted in the position of transmitting electric energy, easily to be invaded by foreign object or negligence causes accident, simultaneously in-site installation and workload when safeguarding also larger.
Summary of the invention
The object of the present invention is to provide a kind of prefabricated substation switch cabinet, the bus in this switch cubicle between each unit is easy to connect, take up room and floor space little, install, easy to maintenance, fail safe is high.
In order to realize above-mentioned technical purpose, the present invention adopts following technical scheme:
A kind of prefabricated substation switch cabinet, comprise that high voltage unit is powered, transformer unit power transformation, low voltage unit distribution, it is characterized in that: described high voltage unit comprises high-tension cable room and the combination of on-load switch fuse, transformer unit comprises transformer room, and low voltage unit comprises low-pressure chamber and low-voltage cable room;
Described low-pressure chamber is positioned at cabinet upper right side, transformer room is positioned at cabinet lower right, and the combination of on-load switch fuse is positioned in the middle part of cabinet, and high-tension cable room is arranged in top on the left of cabinet, in on the left of cabinet, high-voltage cable support and earth bus are equipped with in below, and low-voltage cable room is positioned at rear on the left of cabinet;
Described high-tension cable indoor are provided with high-tension insulator, high voltage bus and wall bushing, high voltage bus by high-tension insulator fixed support, pile crown on the on-load switch that wall bushing to the on-load switch fuse of high voltage bus to the right through being arranged on metal partion (metp) combines; Inlet wire high-tension cable is after the high-voltage cable support below high-tension cable room is fixing, and inlet wire cable one end is connected on the high voltage bus of high-tension cable room;
The centre of described on-load switch fuse combination is on-load switch, top is low-pressure cabinet, bottom is high-tension fuse and earthed switch, and on-load switch is drawn high voltage bus and connect high-tension fuse, and under high-tension fuse, pile crown connects earthed switch;
Draw high voltage bus on the downside of described high-tension fuse to be connected with the transformer placed in the bottom-right transformer room of cabinet, after transformer power transformation, with low-pressure chamber low-voltage bus bar caused above transformer room through the wall bushing that metal partion (metp) is installed; Low-voltage bus bar low tension insulator fixed support, low tension insulator is arranged on the mounting panel of side, transformer room;
Described low pressure indoor location low tension switch is as the use of distribution in transformer station, and the low tension switch outlet in low-pressure chamber causes the low-voltage cable room at rear on the left of cabinet;
Described low-voltage cable room is provided with low pressure wiring pile crown and binding post, and low pressure wiring pile crown and binding post are connected the low-pressure line-outgoing cable that low-pressure chamber is drawn respectively;
Described earth bus draws switch cabinet as the earth bus that cabinet is total.
Described on-load switch is three-stations load switch, can realize combined floodgate, separating brake, ground connection three station manipulations.
Described on-load switch is outside equipped with interlock, makes on-load switch earthing and transformer room door form mechanical interlocking.
Prefabricated substation switch cabinet of the present invention adopts and is placed in same switch cubicle by high-tension switch cabinet, transformer, low-tension switch cabinet three electric equipments, relatively independent interrelated again between high voltage unit in transforming plant switch cubicle, transformer unit, low voltage unit, adopt a kind of equipment to realize the electricity consumption method of salary distribution of transformer station inside completely.Compared with prior art, the beneficial effect of transforming plant switch cubicle of the present invention is:
1) switch cubicle of the present invention not only changes external high-voltage board and low-voltage cabinet the unit such as into built-in high-low pressure, simultaneously by bus unit by original outer cabinet with between cabinet outer be connected to transfer in cabinet between unit connect, not only saved in space, safety and reliability is improved simultaneously.
2) electrical interlock between cabinet not good enough for original stability and cabinet is transferred to the mechanical interlocking between inside switch cabinet unit by switch cubicle of the present invention, and security performance is further improved.
3) low-pressure chamber of switch cubicle of the present invention is arranged on the superjacent air space of transformer room, overall floor space to be reduced to minimum, like this, both simplified syndeton, save material, installation rate is fast again, facilitate in-site installation and maintenance, also reduce taking up room further.
Bus in prefabricated substation switch cabinet of the present invention between each unit is easy to connect, take up room and floor space little, install, easy to maintenance, fail safe is high.
Accompanying drawing explanation
Fig. 1 is that in existing transformer station, electricity consumption is powered layout schematic diagram;
Fig. 2 is that prefabricated substation switch cabinet profile of the present invention arranges schematic diagram;
Fig. 3 is that schematic diagram is looked on a left side of Fig. 2;
Fig. 4 is that prefabricated substation electricity consumption inside switch cabinet of the present invention arranges schematic diagram;
Fig. 5 is that schematic diagram is looked on a left side of Fig. 4.
In figure: 1 earthed switch, 2 binding posts, 3 wall bushings, 4 high-tension fuses, 5 low pressure wiring pile crowns, 6 low-pressure line-outgoing cables, 7 high-voltage charge display devices, 8 low-pressure line-outgoing cables, 9 key locks, 10 on-load switches, 11 high-tension insulators, 12 high voltage bus, 13 wall bushings, 14 hinges, 15 low-pressure cabinets, 16 low tension switches, 17 low tension switches, 18 low-voltage bus bars, 19 low tension insulators, 20 transformers, 21 high voltage bus, 22 high-tension cable room shroudings, 23 high-voltage cable supports, 24 earth bus;
31 on-load switch fuse combinations, 32 low-pressure chambers, 33 transformer rooms, 34 low-voltage cable rooms, 35 high-tension cable rooms, 36 low-voltage cable room shroudings;
41 high-tension switch cabinets, 42 high voltage bus, 43 transformers, 44 low-voltage bus bars, 45 low-voltage cabinets.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
See Fig. 2 to Fig. 5, a kind of prefabricated substation switch cabinet, comprise that high voltage unit is powered, transformer unit power transformation, low voltage unit distribution, described high voltage unit comprises high-tension cable room 35 and on-load switch fuse combination 31, transformer unit comprises transformer room 33, and low voltage unit comprises low-pressure chamber 32 and low-voltage cable room 34.
Described low-pressure chamber 32 is positioned at cabinet upper right side, transformer room 33 is positioned at cabinet lower right, on-load switch fuse combination 31 is positioned in the middle part of cabinet, high-tension cable room 35 is arranged in top on the left of cabinet, in on the left of cabinet, high-voltage cable support 23 and earth bus 24 are equipped with in below, and low-voltage cable room 34 is positioned at rear on the left of cabinet.
High-tension insulator 11, high voltage bus 12 and wall bushing 13 is provided with in described high-tension cable room 35, high voltage bus 12 by high-tension insulator 11 fixed support, high voltage bus 12 to the right through be arranged on metal partion (metp) wall bushing 13 to on-load switch fuse combination 31 on-load switch 10 on pile crown.High-tension cable enters cabinet from the left side edge of cabinet, after the high-voltage cable support 23 below high-tension cable room 35 is fixing, inlet wire cable one end is connected on the high voltage bus 12 of high-tension cable room 35, must unload the high-tension cable room shrouding 22 be positioned on the left of cabinet above edge when connecting inlet wire high-tension cable.
The centre of described on-load switch fuse combination 31 is on-load switch 10, top is low-pressure cabinet 15, bottom is high-tension fuse 4 and earthed switch 1, and on-load switch 10 is drawn high voltage bus and connect high-tension fuse 4, and high-tension fuse 4 times pile crowns connect earthed switch 1.Described low-pressure cabinet 15 is independently low-pressure cabinet, and be the on-load switch fuse combination secondary device of 31 and the placement use of terminal, low-pressure cabinet 15 adopts hinge 14 to connect.Described on-load switch 10 is three-stations load switch, and electric pressure is 10kV, and on-load switch 10, as the use of disjunction power supply, can realize combined floodgate, separating brake, ground connection three station manipulations.On-load switch 10 is outside equipped with interlock, i.e. configuration key lock 9, its model is that TYPEC1 two locks a key lock, on-load switch 10 earthing and 33, transformer room is made to form mechanical interlocking, when the earthing of three-stations load switch 10 does not arrive earthing position, 33, transformer room cannot open, thus realizes interlocking and prevent mistakenly entering charged chamber.On-load switch 10, also with high-voltage charge display device 7, can show electrification in high voltage situation.
Draw high voltage bus 21 on the downside of described high-tension fuse 4 to be connected through the transformer 20 placed in the wall bushing 3 that metal partion (metp) is installed and the bottom-right transformer room 33 of cabinet, high-tension fuse 4 is used for protecting transformer 20.When the electric current on high-tension fuse 4 is greater than limit value, high-tension fuse 4 fuses to protect the transformer 20 of side, and fuse thimble clashes into the earthing automatic earthing making fuse band, protection transformer 20.After transformer 20 power transformation, with the low-pressure chamber 32 low-voltage bus bar 18 caused above transformer room 33; Low-voltage bus bar 18 low tension insulator 19 fixed support, low tension insulator 19 is arranged on the mounting panel of side, transformer room 33.Described transformer 20 Main Function, for 10kV is become 0.4kV, meets electricity consumption in transformer station.
Install the use of low tension switch 16 and 17 as distribution in transformer station in described low-pressure chamber 32, configurable low-voltage variation fuse in low tension switch 16 and 17, for transformer station provides distribution and the fire-fighting equipment electricity consumption of normal device.Low tension switch outlet in low-pressure chamber 32 causes the low-voltage cable room 34 at rear on the left of cabinet.In the middle part of cabinet, the power supply of the low-pressure cabinet 15 of the on-load switch fuse combination 31 of top is drawn from low-voltage cable room 34.
Described low-voltage cable room 34 is provided with low pressure wiring pile crown 5 and binding post 2, and low pressure wiring pile crown 5 and binding post 2 are connected the low-pressure line-outgoing cable 8 and 6 that low-pressure chamber 32 is drawn respectively.Low-voltage cable room 34 is closed by shrouding 36.
Described transformer room 33, low-pressure chamber 32 and low-pressure cabinet 15 all adopt the openable door of right side hinge.
Described earth bus 24 draws switch cabinet as the earth bus that cabinet is total, and connects in transformer station earthy.
Prefabricated substation electricity consumption switch cabinet structure of the present invention is simple, and easy for installation, Interlock Function is good, and floor space is little, saves material, facilitates in-site installation and maintenance, ensure that the normal electricity consumption in transformer station.
These are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, therefore, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a prefabricated substation switch cabinet, comprise that high voltage unit is powered, transformer unit power transformation, low voltage unit distribution, it is characterized in that: described high voltage unit comprises high-tension cable room (35) and on-load switch fuse combination (31), transformer unit comprises transformer room (33), and low voltage unit comprises low-pressure chamber (32) and low-voltage cable room (34);
Described low-pressure chamber (32) is positioned at cabinet upper right side, transformer room (33) is positioned at cabinet lower right, on-load switch fuse combination (31) is positioned in the middle part of cabinet, high-tension cable room (35) is arranged in top on the left of cabinet, in on the left of cabinet, high-voltage cable support (23) and earth bus (24) are equipped with in below, and low-voltage cable room (34) are positioned at rear on the left of cabinet;
High-tension insulator (11), high voltage bus (12) and wall bushing (13) is provided with in described high-tension cable room (35), high voltage bus (12) is by high-tension insulator (11) fixed support, and high voltage bus (12) is to the right through being arranged on on-load switch (10) the upper pile crown of the wall bushing (13) on metal partion (metp) to on-load switch fuse combination (31); Inlet wire high-tension cable is after the high-voltage cable support (23) of high-tension cable room (35) below is fixing, and inlet wire cable one end is connected on the high voltage bus (12) of high-tension cable room (35);
The centre of described on-load switch fuse combination (31) is on-load switch (10), top is low-pressure cabinet (15), bottom is high-tension fuse (4) and earthed switch (1), on-load switch (10) is drawn high voltage bus and is connect high-tension fuse (4), and under high-tension fuse (4), pile crown connects earthed switch (1);
Described high-tension fuse (4) downside is drawn high voltage bus (21) and is connected with the transformer (20) placed in the bottom-right transformer room of cabinet (33) through the wall bushing that metal partion (metp) is installed (3), after transformer (20) power transformation, with the low-pressure chamber (32) low-voltage bus bar (18) causing top, transformer room (33); Low-voltage bus bar (18) low tension insulator (19) fixed support, low tension insulator (19) is arranged on the mounting panel of transformer room (33) side;
Install the use of low tension switch (16,17) as distribution in transformer station in described low-pressure chamber (32), the low tension switch outlet in low-pressure chamber (32) causes the low-voltage cable room (34) at rear on the left of cabinet;
Described low-voltage cable room (34) is provided with low pressure wiring pile crown (5) and binding post (2), and low pressure wiring pile crown (5) and binding post (2) are connected the low-pressure line-outgoing cable (8,6) that low-pressure chamber (32) is drawn respectively;
Described earth bus (24) draws switch cabinet as the earth bus that cabinet is total.
2. prefabricated substation switch cabinet according to claim 1, is characterized in that: described on-load switch (10) is three-stations load switch, can realize combined floodgate, separating brake, ground connection three station manipulations.
3. prefabricated substation switch cabinet according to claim 2, is characterized in that: described on-load switch (10) is outside equipped with interlock, makes on-load switch (10) earthing and transformer room (33) door form mechanical interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550710.6A CN105375376B (en) | 2015-09-01 | 2015-09-01 | Prefabricated substation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550710.6A CN105375376B (en) | 2015-09-01 | 2015-09-01 | Prefabricated substation switch cabinet |
Publications (2)
| Publication Number | Publication Date |
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| CN105375376A true CN105375376A (en) | 2016-03-02 |
| CN105375376B CN105375376B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510550710.6A Active CN105375376B (en) | 2015-09-01 | 2015-09-01 | Prefabricated substation switch cabinet |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169700A (en) * | 2016-09-09 | 2016-11-30 | 宝亨新电气（集团）有限公司 | A kind of combination type High-low voltage switch cabinet |
| CN106602419A (en) * | 2017-01-17 | 2017-04-26 | 许继集团有限公司 | Switch cabinet and cabinet body |
| CN107895609A (en) * | 2017-11-15 | 2018-04-10 | 国网天津市电力公司 | A kind of method for increasing high voltage power cable service voltage species |
| CN109346938A (en) * | 2018-11-30 | 2019-02-15 | 江苏其厚智能电气设备有限公司 | A kind of miniaturization preassembled transformer station high-voltage board cable vault |
| CN109904771A (en) * | 2019-04-01 | 2019-06-18 | 江苏电科电气设备有限公司 | Integral intelligent combined box-type substation |
| CN110474240A (en) * | 2019-07-15 | 2019-11-19 | 广州一电联科技有限公司 | A kind of modularization case change of power distribution equipment |
| CN110610800A (en) * | 2018-06-15 | 2019-12-24 | 国网辽宁省电力有限公司营口供电公司 | Primary side rapid grounding device and method for 10 kV transformer platform |
| CN110854726A (en) * | 2019-11-12 | 2020-02-28 | 广东电网有限责任公司 | Box-type substation with relay protection function |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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| CN204947420U (en) * | 2015-09-01 | 2016-01-06 | 上海大华电器设备有限公司 | Prefabricated substation switch cabinet |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169700A (en) * | 2016-09-09 | 2016-11-30 | 宝亨新电气（集团）有限公司 | A kind of combination type High-low voltage switch cabinet |
| CN106602419A (en) * | 2017-01-17 | 2017-04-26 | 许继集团有限公司 | Switch cabinet and cabinet body |
| CN107895609A (en) * | 2017-11-15 | 2018-04-10 | 国网天津市电力公司 | A kind of method for increasing high voltage power cable service voltage species |
| CN107895609B (en) * | 2017-11-15 | 2019-05-28 | 国网天津市电力公司 | A method of increasing high voltage power cable service voltage type |
| CN110610800A (en) * | 2018-06-15 | 2019-12-24 | 国网辽宁省电力有限公司营口供电公司 | Primary side rapid grounding device and method for 10 kV transformer platform |
| CN109346938A (en) * | 2018-11-30 | 2019-02-15 | 江苏其厚智能电气设备有限公司 | A kind of miniaturization preassembled transformer station high-voltage board cable vault |
| CN109904771B (en) * | 2019-04-01 | 2023-10-31 | 江苏电科电气设备有限公司 | Integrated intelligent combined box-type substation |
| CN109904771A (en) * | 2019-04-01 | 2019-06-18 | 江苏电科电气设备有限公司 | Integral intelligent combined box-type substation |
| CN110474240A (en) * | 2019-07-15 | 2019-11-19 | 广州一电联科技有限公司 | A kind of modularization case change of power distribution equipment |
| CN110474240B (en) * | 2019-07-15 | 2024-01-30 | 广东佰昌电力设备有限公司 | Modular box transformer substation of power distribution device |
| CN110854726B (en) * | 2019-11-12 | 2020-09-22 | 广东电网有限责任公司 | Box-type substation with relay protection function |
| CN110854726A (en) * | 2019-11-12 | 2020-02-28 | 广东电网有限责任公司 | Box-type substation with relay protection function |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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