CN104167680B - A kind of cable trench embedded transformer station secondary device underground system and method - Google Patents
A kind of cable trench embedded transformer station secondary device underground system and method Download PDFInfo
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- CN104167680B CN104167680B CN201410368765.0A CN201410368765A CN104167680B CN 104167680 B CN104167680 B CN 104167680B CN 201410368765 A CN201410368765 A CN 201410368765A CN 104167680 B CN104167680 B CN 104167680B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 210000005056 cell body Anatomy 0.000 claims abstract description 29
- 238000000605 extraction Methods 0.000 claims abstract description 13
- 230000001131 transforming effect Effects 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The present invention relates to a kind of arrangement system and the method for substation secondary device, particularly to a kind of cable trench embedded transformer station secondary device underground system and method.It is to be provided with cable secondary device in substation cable groove to embed cell body, is provided with substation secondary device in cable secondary device embedded groove body；Substation secondary device and this interval transforming plant primary equipment and be provided with connecting sleeve between other interval secondaries electricity, optical cables, each equipment room is attached by connecting sleeve with secondary device connecting line；It is provided with cable duct secondary device cover plate at the upper outlet of substation cable groove, between substation secondary device and cable duct secondary device cover plate, is provided with extraction guide rail.The present invention utilizes underground isoperibol to ensure secondary device operation, is not affected by environmental change on the ground, all can arrange under different regions, weather, soil condition, and be adjusted by external elements, homogeneous temperature is stable, cost-effective, can significantly improve equipment reliability of operation.
Description
Technical field
The present invention relates to a kind of arrangement system and the method for substation secondary device, particularly to a kind of cable trench embedded transformer station secondary device underground system and method, the cable trench embedded secondary device arrangement system specifically utilizing underground isoperibol to carry out and method.
Background technology
For ensureing substation secondary device reliability service, the equipment that is required to be provides the metastable running environment of temperature conditions.Existing substation secondary device is arranged in the environment of ground, owing to natural environment cannot meet the needs that secondary device runs, need to use certain temperature control and safeguard procedures.The main promising secondary device of method used at present arranges special second protection cell, arranges HVAC system and install additional in equipment screen cabinet and drive tide heater etc..Second protection cell and HVAC system footprint area and cost are higher, and system is complex, and distance primary equipment farther out, needs longer electricity, optical cable etc. to be connected with primary equipment, reduces equipment reliability of operation；In secondary device screen cabinet, the tide heater that drives of adjusting ambient temperature is heating resistor, this mode determines it from principle and can only locally heat, the temperature control effect in whole screen cabinet cannot be ensured in actual applications, thereby increases and it is possible to the problems such as acceleration equipment insulation ag(e)ing is the most on fire occur.It is thus desirable to the method for arranging of a kind of more preferable solution secondary device running environment.
Summary of the invention
The problem that cannot provide the environment temperature meeting secondary device service requirement for solving substation secondary device method for arranging in above-mentioned prior art out of doors in environment, the present invention proposes a kind of cable trench embedded transformer station secondary device underground system and method.Surface soil structure is made up of frozen soil layer and thermostat layer, and China's most area frozen soil layer degree of depth is about at 0.8～2 meter, and the thermostat layer under it keeps nearly isoperibol by heat exchange in soil, and temperature is positively retained at about 5～25 DEG C.Substation secondary device is arranged in substation cable groove on the position of certain depth by the inventive method, is that secondary device provides temperature-constant operation environment by underground environment heat exchange, can significantly improve equipment reliability of operation.
The present invention is achieved by the following technical solutions for achieving the above object:
Cable trench embedded transformer station secondary device underground system, is to be provided with cable secondary device in substation cable groove to embed cell body, is provided with substation secondary device in cable secondary device embedded groove body；Substation secondary device and this interval transforming plant primary equipment and be provided with connecting sleeve between other interval secondaries electricity, optical cables, each equipment room is attached by connecting sleeve with secondary device connecting line；It is provided with cable duct secondary device cover plate at the upper outlet of substation cable groove, between substation secondary device and cable duct secondary device cover plate, is provided with extraction guide rail.
Substantially mark it is provided with at described cable duct secondary device cover plate.
The described secondary device that embeds embeds each interface between cell body and protection face board, connecting sleeve, extraction guide rail for being tightly connected.
Described secondary device connecting line is the secondary device connecting line with aviation plug.
It is additionally provided with enviromental monitoring equipment in described substation cable groove.
Described substation cable groove can be the groove directly dug in underground, it is also possible to be the grid type groove prepared in advance.
Cable trench embedded transformer station secondary device underground method, is to determine secondary device preset level position at transforming plant primary equipment basis, using this position as monitoring point, arranges the physical quantity transducers such as humiture at this monitoring point underground environment different depth；Measure this ground thermostat layer depth intervals, determine secondary device predetermined depth according to monitoring result；Can directly be arranged for being positioned at the secondary device embedding cell body predeterminated position of substation cable groove；Also need to answer in substation cable groove internal phase when secondary device predetermined depth exceedes substation cable groove region and under position, add ad hoc device embedding district predeterminated position.The device dug at substation cable groove inwall or add embeds relevant position in district and embeds secondary device and embed cell body, each embed to leave between cell body be easy to heat exchange, wiring and the spacing of extraction movement；Substation secondary device is inserted secondary device after cable duct secondary device cover plate is opened and is embedded in cell body, embeds cell body by secondary device and carries out heat exchange with underground environment and prevent humidity, mechanical stress etc. from damaging.
Described substation cable groove can also is that the integral net form groove framework prepared in advance, inserts underground afterwards and pours.
Described described sensor is at least provided with more than one.
The invention has the beneficial effects as follows:
The present invention utilizes underground isoperibol to ensure, and secondary device runs, do not affected by environmental change on the ground, all can arrange under different regions, weather, soil condition, and be adjusted by external elements, homogeneous temperature is stable, it is not affected or less affected by the impact of attachment device reliability, arrange near primary equipment, reduce and connect the impact that cable causes, can arrange in conjunction with existing cable groove or primary equipment basis, cost-effective, significantly improve equipment reliability of operation, solve the problem that secondary device is arranged.
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is further detailed explanation.
Accompanying drawing explanation
Fig. 1 is underground environment monitoring method schematic diagram；
Fig. 2 is secondary device arrangement system structural representation.
In figure: transforming plant primary equipment 1, secondary device preset level position 2, sensor 3, substation cable groove 4, secondary device embeds cell body predeterminated position 5, secondary device predetermined depth 6, underground environment 7, device embeds district's predeterminated position 8, cable duct secondary device cover plate 9, connecting sleeve 10, secondary device connecting line 11, extracts guide rail 12, secondary electricity, optical cable 13, secondary device embeds cell body 14, substation secondary device 15, enviromental monitoring equipment 16, device embeds district 17.
Detailed description of the invention
The present invention is a kind of cable trench embedded transformer station secondary device underground system and method.
Cable trench embedded transformer station secondary device underground system, is to be provided with cable secondary device in substation cable groove 4 to embed cell body 14, and cable secondary device is provided with substation secondary device 15 in embedding cell body 14；Substation secondary device 15 and this interval transforming plant primary equipment 1 and be provided with connecting sleeve 10 between other interval secondaries electricity, optical cables 13, each equipment room is attached by connecting sleeve 10 with secondary device connecting line 11；It is provided with cable duct secondary device cover plate 9 at the upper outlet of substation cable groove 4, between substation secondary device 15 and cable duct secondary device cover plate 9, is provided with extraction guide rail 12.
Being provided with substantially mark at described cable duct secondary device cover plate 9, the described secondary device that embeds embeds each interface between cell body 14 and protection face board, connecting sleeve 10, extraction guide rail 12 for being tightly connected；Described secondary device connecting line 11 is the secondary device connecting line 11 with aviation plug, is additionally provided with enviromental monitoring equipment 16 in described substation cable groove 4.
Cable trench embedded transformer station secondary device underground method, as shown in Figure 1, secondary device preset level position 2 is determined at transforming plant primary equipment 1 basis, using this position as monitoring point, at this monitoring point underground environment 7 different depth, the physical quantity transducers such as humiture 3 are set, the position of this sensor, quantity, spacing the most only for illustrating, not as the restriction to practical situations, can set multiple sensor 3 during practical operation.Measure this ground thermostat layer depth intervals, determine secondary device predetermined depth 6 according to monitoring result.Can directly be arranged for being positioned at the secondary device embedding cell body predeterminated position 5 of substation cable groove 4；In substation cable groove 4, ad hoc device also under relevant position, need to be added when secondary device predetermined depth 6 exceedes substation cable groove 4 region embed district's predeterminated position 8.
As shown in Figure 2, transforming plant primary equipment 1 of the present invention arranges on the ground, described substation cable groove 4 is directly to embed secondary device after the groove that underground digs to embed cell body 14, the device specifically dug at substation cable groove 4 inwall or add embeds relevant position in district 17 and embeds secondary device and embed cell body 14, each embed to leave between cell body be easy to heat exchange, wiring and the spacing of extraction movement.Substation secondary device 15 is inserted secondary device after cable duct secondary device cover plate 9 is opened and is embedded in cell body 14, embeds cell body 14 by secondary device and carries out heat exchange with underground environment 7 and prevent humidity, mechanical stress etc. from damaging.Described substation cable groove 4 can also is that the integral net form groove framework prepared in advance, inserts underground afterwards and pours.
Substation secondary device 15 and this interval transforming plant primary equipment 1 and set connecting sleeve 10 between other interval secondaries electricity, optical cables 13, equipment room is attached by connecting sleeve 10 with the secondary device connecting line 11 of band aviation plug.Cable trench exit above substation secondary device 15 sets cable duct secondary device cover plate 9, does substantially mark at cable duct secondary device cover plate 9.Extraction guide rail 12 is set between substation secondary device 15 and cable duct secondary device cover plate 9.The each interface embedded between secondary device embedding cell body 14 and protection face board, connecting sleeve 10, extraction guide rail 12 carries out sealing installation.Need to determine when running environment situation changes, in substation cable groove 4, set enviromental monitoring equipment 16, running environment is monitored in real time.
When needing substation secondary device 15 is moved when operation maintenance, open cable duct secondary device cover plate 9 being embedded in cell body 14 at cable secondary device by extraction guide rail 12 in manually or mechanically mode to move, be built into from substation cable groove 4 by cable duct secondary device cover plate 9 or take out.
The above is present pre-ferred embodiments, not in order to limit the present invention, all changed within the spirit and principles in the present invention, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. cable trench embedded transformer station secondary device underground system, is characterized in that: being provided with secondary device in substation cable groove (4) and embed cell body (14), secondary device is provided with substation secondary device (15) in embedding cell body (14)；Substation secondary device (15) and this interval transforming plant primary equipment (1) and be provided with connecting sleeve (10) between other interval secondaries electricity, optical cables (13), each equipment room is attached by connecting sleeve (10) with secondary device connecting line (11)；It is provided with cable duct secondary device cover plate (9) at the upper outlet of substation cable groove (4), between substation secondary device (15) and cable duct secondary device cover plate (9), is provided with extraction guide rail (12)；
Described cable duct secondary device cover plate (9) place is provided with substantially mark.
Cable trench embedded transformer station secondary device underground system the most according to claim 1, is characterized in that: described secondary device embeds each interface between cell body (14) and protection face board, connecting sleeve (10), extraction guide rail (12) for being tightly connected；
Described secondary device connecting line (11) is the secondary device connecting line (11) with aviation plug.
Cable trench embedded transformer station secondary device underground system the most according to claim 1, is characterized in that: be additionally provided with enviromental monitoring equipment (16) in described substation cable groove (4)；Described substation cable groove (4) is the groove directly dug in underground or the grid type groove prepared in advance.
4. cable trench embedded transformer station secondary device underground method, it is characterized in that: at transforming plant primary equipment (1) basis, determine secondary device preset level position (2), using this position as monitoring point, humiture physical quantity transducer (3) is set at monitoring point underground environment (7) different depth；Measure this ground thermostat layer depth intervals, determine secondary device predetermined depth (6) according to monitoring result；Directly it is arranged for being positioned at secondary device embedding cell body predeterminated position (5) of substation cable groove (4)；In substation cable groove (4), ad hoc device also under relevant position, need to be added when secondary device predetermined depth (6) exceedes substation cable groove (4) region embed district's predeterminated position (8)；
The device dug at substation cable groove (4) inwall or add embeds relevant position in district (17) and embeds secondary device and embed cell body (14), each embed to leave between cell body be easy to heat exchange, wiring and the spacing of extraction movement；Substation secondary device (15) is inserted secondary device after cable duct secondary device cover plate (9) is opened and is embedded in cell body (14), embeds cell body (14) by secondary device and carries out heat exchange with underground environment (7) and prevent humidity, mechanical stress from damaging.
Cable trench embedded transformer station secondary device underground method the most according to claim 4, is characterized in that: described substation cable groove (4) is the integral net form groove framework prepared in advance, inserts underground afterwards and pours.
Cable trench embedded transformer station secondary device underground method the most according to claim 4, is characterized in that: described sensor (3) is at least provided with one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410368765.0A CN104167680B (en) | 2014-07-30 | 2014-07-30 | A kind of cable trench embedded transformer station secondary device underground system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410368765.0A CN104167680B (en) | 2014-07-30 | 2014-07-30 | A kind of cable trench embedded transformer station secondary device underground system and method |
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| CN104167680A CN104167680A (en) | 2014-11-26 |
| CN104167680B true CN104167680B (en) | 2016-09-07 |
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| CN109813372A (en) * | 2019-01-29 | 2019-05-28 | 国网河南省电力公司周口供电公司 | A kind of underground cable joint monitoring station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503649Y (en) * | 2001-09-20 | 2002-07-31 | 北京广联惠供用电工程设计有限公司 | Prefabricated underground box type converting station |
| CN201994584U (en) * | 2010-12-20 | 2011-09-28 | 上海市电力公司 | Underground transformer substation equipment layout structure |
| CN102537523A (en) * | 2011-12-16 | 2012-07-04 | 浙江省电力设计院 | Drawer-type fireproof clapboard and cable bracket system of cable duct or tunnel |
| CN203684278U (en) * | 2013-11-29 | 2014-07-02 | 河北省电力勘测设计研究院 | Cable channel working well |
| CN204290130U (en) * | 2014-07-30 | 2015-04-22 | 国家电网公司 | A kind of cable trench embedded transformer station secondary device underground system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0898344A (en) * | 1994-09-27 | 1996-04-12 | Toshiba Corp | Gas insulated switchgear |
| CN201421973Y (en) * | 2009-05-15 | 2010-03-10 | 沈阳昊诚电气有限公司 | Fully-insulated embedded substation |
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- 2014-07-30 CN CN201410368765.0A patent/CN104167680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503649Y (en) * | 2001-09-20 | 2002-07-31 | 北京广联惠供用电工程设计有限公司 | Prefabricated underground box type converting station |
| CN201994584U (en) * | 2010-12-20 | 2011-09-28 | 上海市电力公司 | Underground transformer substation equipment layout structure |
| CN102537523A (en) * | 2011-12-16 | 2012-07-04 | 浙江省电力设计院 | Drawer-type fireproof clapboard and cable bracket system of cable duct or tunnel |
| CN203684278U (en) * | 2013-11-29 | 2014-07-02 | 河北省电力勘测设计研究院 | Cable channel working well |
| CN204290130U (en) * | 2014-07-30 | 2015-04-22 | 国家电网公司 | A kind of cable trench embedded transformer station secondary device underground system |
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