CN104167680A - Underground arrangement system and method for cable trough embedding type substation secondary equipment - Google Patents
Underground arrangement system and method for cable trough embedding type substation secondary equipment Download PDFInfo
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- CN104167680A CN104167680A CN201410368765.0A CN201410368765A CN104167680A CN 104167680 A CN104167680 A CN 104167680A CN 201410368765 A CN201410368765 A CN 201410368765A CN 104167680 A CN104167680 A CN 104167680A
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Abstract
The invention relates to an arrangement system and method of substation secondary equipment, in particular to an underground arrangement system and method for cable trough embedding type substation secondary equipment. According to the system and method, a cable secondary equipment embedding trough body is arranged in a substation cable trough, and the substation secondary equipment is arranged in the cable secondary equipment embedding trough body; wiring sleeves are arranged between the substation secondary equipment, certain-interval substation primary equipment and other-interval secondary electric and optical cables, and all the equipment is connected by secondary equipment connecting lines through the connecting sleeves; a cable trough secondary equipment cover plate is arranged on an upper outlet of the substation cable trough, and pumping guide rails are arranged between the substation secondary equipment and the cable trough secondary equipment cover plate. According to the system and method, running of the secondary equipment is guaranteed through the underground constant-temperature environment and not influenced by changes of the overground environment, the secondary equipment can be arranged under the conditions of different territories, weather and soil properties and adjusted through the external natural environment, the temperature is uniform and constant, cost is saved, and running reliability of the equipment can be remarkably improved.
Description
Technical field
The present invention relates to a kind of arrangement system and method for substation secondary device, be particularly related to a kind of cable trench embedded transformer station secondary device underground system and method, the embedded secondary device arrangement system of cable trench and the method for specifically utilizing underground isoperibol to carry out.
Background technology
For ensureing substation secondary device reliability service, the equipment of being required to be provides the metastable running environment of temperature conditions.Existing substation secondary device is arranged in the environment of ground, because natural environment cannot meet the needs that secondary device moves, needs to adopt certain temperature control and safeguard procedures.The main promising secondary device of method adopting at present arranges special second protection cell, HVAC system is set and installs additional and drive damp heater etc. in equipment screen cabinet.Second protection cell and HVAC system floor space and cost are higher, and system is comparatively complicated, far away apart from primary equipment, need grow electricity, optical cable etc. and be connected with primary equipment, has reduced equipment reliability of operation; In secondary device screen cabinet, the damp heater that drives of adjusting ambient temperature is heating resistor, this mode has determined that from principle it can only localized heating, the temperature control effect in whole screen cabinet cannot be ensured in actual applications, and the problems such as acceleration equipment ageing of insulation is even on fire may be occurred.Therefore need a kind of method for arranging of better solution secondary device running environment.
Summary of the invention
The problem that the ambient temperature that meets secondary device service requirement is provided in environment out of doors for solving substation secondary device method for arranging in above-mentioned prior art, 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 areas frozen soil layer degree of depth is about 0.8～2 meter, and the thermostat layer under it keeps nearly isoperibol by heat exchange in soil, and temperature can remain on 5～25 DEG C of left and right.The inventive method is arranged in substation secondary device on the position of certain depth in cable duct of substation groove, for secondary device provides temperature-constant operation environment, can significantly improve equipment reliability of operation by underground environment heat exchange.
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 in cable duct of substation groove, to be provided with cable secondary device to embed cell body, and cable secondary device embeds in cell body and is provided with substation secondary device; Substation secondary device and this interval transforming plant primary equipment and be provided with connecting sleeve between other interval secondary electricity, optical cable, each equipment room connects by connecting sleeve with secondary device connecting line; The exit, top of cable duct of substation groove is provided with cable trough secondary device cover plate, between substation secondary device and cable trough secondary device cover plate, is provided with extraction guide rail.
Described cable trough secondary device cover plate place is provided with obvious mark.
Each interface between described embedding secondary device embedding cell body and protection face board, connecting sleeve, extraction guide rail is for being tightly connected.
Described secondary device connecting line is the secondary device connecting line with aviation plug.
In described cable duct of substation groove, be also provided with enviromental monitoring equipment.
Described cable duct of substation groove can, for directly at the underground groove digging, can be also the grid type groove preparing in advance.
Cable trench embedded transformer station secondary device underground method, to determine secondary device preset level position at transforming plant primary equipment basis place, using this position as monitoring point, at this monitoring point underground environment different depth, the physical quantity transducers such as humiture are set; Measure this ground thermostat layer depth intervals, determine secondary device predetermined depth according to monitoring result; Embedding cell body predeterminated position for the secondary device that is positioned at cable duct of substation groove can directly arrange; In the time that secondary device predetermined depth exceedes cable duct of substation groove region, also need in cable duct of substation groove, under relevant position, add ad hoc device and embed district's predeterminated position.At cable duct of substation groove inwall or add the device that digs and embed in district relevant position and embed secondary device and embed cell body, respectively embed between cell body and leave and be convenient to heat exchange, wiring and extract mobile spacing; Substation secondary device is inserted secondary device and is embedded in cell body after cable trough secondary device cover plate is opened, and embeds cell body and underground environment carries out heat exchange and prevents the infringement such as humidity, mechanical stress by secondary device.
Described cable duct of substation groove can also be the integral net form groove framework preparing in advance, inserts afterwards underground building.
Described described transducer is at least provided with more than one.
The invention has the beneficial effects as follows:
The present invention utilizes underground isoperibol to ensure secondary device operation, not affected by environmental change on the ground, under different regions, weather, soil condition, all can arrange, and regulate by outside natural environment, temperature is uniform and stable, be not affected or less affected by the impact of attachment device reliability, arrange near primary equipment, reduce the impact that stube cable causes, can arrange in conjunction with existing cable groove or primary equipment basis, save cost, significantly improve equipment reliability of operation, solve the problem that secondary device is arranged.
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Brief description of the drawings
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, transducer 3, cable duct of substation 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 trough 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.
Embodiment
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 in cable duct of substation groove 4, to be provided with cable secondary device to embed cell body 14, and cable secondary device embeds in cell body 14 and is provided with substation secondary device 15; Substation secondary device 15 and this interval transforming plant primary equipment 1 and be provided with connecting sleeve 10 between other interval secondary electricity, optical cable 13, each equipment room connects by connecting sleeve 10 with secondary device connecting line 11; The exit, top of cable duct of substation groove 4 is provided with cable trough secondary device cover plate 9, is provided with and extracts guide rail 12 between substation secondary device 15 and cable trough secondary device cover plate 9.
Described cable trough secondary device cover plate 9 places are provided with obvious mark, and the each interface between described embedding secondary device embedding cell body 14 and protection face board, connecting sleeve 10, extraction guide rail 12 is for being tightly connected; Described secondary device connecting line 11 is the secondary device connecting line 11 with aviation plug, in described cable duct of substation groove 4, is also provided with enviromental monitoring equipment 16.
Cable trench embedded transformer station secondary device underground method, as shown in Figure 1, at transforming plant primary equipment, 1 basis place determines secondary device preset level position 2, using this position as monitoring point, at these monitoring point underground environment 7 different depths, the physical quantity transducers such as humiture 3 are set, the position of this transducer, quantity, spacing are only signal in Fig. 1,, as the restriction to practical situations, can not establish multiple transducers 3 when practical operation.Measure this ground thermostat layer depth intervals, determine secondary device predetermined depth 6 according to monitoring result.Embedding cell body predeterminated position 5 for the secondary device that is positioned at cable duct of substation groove 4 can directly arrange; In the time that secondary device predetermined depth 6 exceedes cable duct of substation groove 4 region, also need under the interior relevant position of cable duct of substation groove 4, add ad hoc device and 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 cable duct of substation groove 4 embeds cell body 14 for directly embed secondary device after the underground groove digging, specifically at cable duct of substation groove 4 inwalls or add the device that digs and embed 17Zhong relevant position, district and embed secondary device and embed cell body 14, respectively embed between cell body and leave and be convenient to heat exchange, wiring and extract mobile spacing.Substation secondary device 15 is inserted secondary device and is embedded in cell body 14 after cable trough secondary device cover plate 9 is opened, and embeds cell body 14 carry out heat exchange and prevent the infringement such as humidity, mechanical stress with underground environment 7 by secondary device.Described cable duct of substation groove 4 can also be the integral net form groove framework preparing in advance, inserts afterwards underground building.
Substation secondary device 15 and this interval transforming plant primary equipment 1 and establish connecting sleeve 10 between other interval secondary electricity, optical cable 13, equipment room connects by connecting sleeve 10 with the secondary device connecting line 11 with aviation plug.Cable trough secondary device cover plate 9 is established in the cable trench exit of substation secondary device 15 tops, and obvious mark is done at cable trough secondary device cover plate 9 places.Between substation secondary device 15 and cable trough secondary device cover plate 9, establish and extract guide rail 12.The each interface embedding between secondary device embedding cell body 14 and protection face board, connecting sleeve 10, extraction guide rail 12 seals installation.Need to determine when running environment situation changes, in cable duct of substation groove 4, establish enviromental monitoring equipment 16, running environment is carried out to Real-Time Monitoring.
While needing substation secondary device 15 to move in the situations such as operation maintenance, open cable trough secondary device cover plate 9 and move in cable secondary device embeds cell body 14 by extracting guide rail 12 with artificial or mechanical system, inserting or take out in cable duct of substation groove 4 by cable trough secondary device cover plate 9.
The above is preferred embodiment of the present invention, not in order to limit the present invention, allly changes, is equal within the spirit and principles in the present invention replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. cable trench embedded transformer station secondary device underground system, it is characterized in that: in cable duct of substation groove (4), be provided with cable secondary device and embed cell body (14), cable secondary device embeds in cell body (14) and is provided with substation secondary device (15); Substation secondary device (15) and this interval transforming plant primary equipment (1) and be provided with connecting sleeve (10) between other interval secondary electricity, optical cable (13), each equipment room connects by connecting sleeve (10) with secondary device connecting line (11); The exit, top of cable duct of substation groove (4) is provided with cable trough secondary device cover plate (9), is provided with and extracts guide rail (12) between substation secondary device (15) and cable trough secondary device cover plate (9).
2. cable trench embedded transformer station secondary device underground system according to claim 1, is characterized in that: described cable trough secondary device cover plate (9) locates to be provided with obvious mark.
3. cable trench embedded transformer station secondary device underground system according to claim 1, is characterized in that: described embedding secondary device embeds each interface between cell body (14) and protection face board, connecting sleeve (10), extraction guide rail (12) for being tightly connected.
4. cable trench embedded transformer station secondary device underground system according to claim 1, is characterized in that: described secondary device connecting line (11) is the secondary device connecting line (11) with aviation plug.
5. cable trench embedded transformer station secondary device underground system according to claim 1, is characterized in that: in described cable duct of substation groove (4), be also provided with enviromental monitoring equipment (16).
6. cable trench embedded transformer station secondary device underground system according to claim 1, is characterized in that: described cable duct of substation groove (4) can, for directly at the underground groove digging, can be also the grid type groove preparing in advance.
7. cable trench embedded transformer station secondary device underground method, it is characterized in that: on transforming plant primary equipment (1) basis, place determines secondary device preset level position (2), 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; Measure this ground thermostat layer depth intervals, determine secondary device predetermined depth (6) according to monitoring result; Embedding cell body predeterminated position (5) for the secondary device that is positioned at cable duct of substation groove (4) can directly arrange; In the time that secondary device predetermined depth (6) exceedes cable duct of substation groove (4) region, also need in cable duct of substation groove (4), under relevant position, add ad hoc device and embed district's predeterminated position (8);
At cable duct of substation groove (4) inwall or add the device that digs and embed in district (17) relevant position and embed secondary device and embed cell body (14), respectively embed between cell body and leave and be convenient to heat exchange, wiring and extract the spacing moving; Substation secondary device (15) is inserted secondary device and is embedded in cell body (14) after cable trough secondary device cover plate (9) is opened, and embeds cell body (14) carry out heat exchange and prevent the infringement such as humidity, mechanical stress with underground environment (7) by secondary device.
8. cable trench embedded transformer station secondary device underground method according to claim 7, is characterized in that: described cable duct of substation groove (4) can also be the integral net form groove framework preparing in advance, inserts afterwards underground building.
9. cable trench embedded transformer station secondary device underground method according to claim 7, is characterized in that: described described transducer (3) is at least provided with more than 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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| 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 true CN104167680A (en) | 2014-11-26 |
| CN104167680B CN104167680B (en) | 2016-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| JPH0898344A (en) * | 1994-09-27 | 1996-04-12 | Toshiba Corp | Gas insulated switchgear |
| 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 |
| CN201421973Y (en) * | 2009-05-15 | 2010-03-10 | 沈阳昊诚电气有限公司 | Fully-insulated embedded substation |
| 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 |
-
2014
- 2014-07-30 CN CN201410368765.0A patent/CN104167680B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0898344A (en) * | 1994-09-27 | 1996-04-12 | Toshiba Corp | Gas insulated switchgear |
| 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 |
| CN201421973Y (en) * | 2009-05-15 | 2010-03-10 | 沈阳昊诚电气有限公司 | Fully-insulated embedded substation |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104167680B (en) | 2016-09-07 |
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