CN2503649Y - Prefabricated underground box type converting station - Google Patents
Prefabricated underground box type converting station Download PDFInfo
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- CN2503649Y CN2503649Y CN01260039U CN01260039U CN2503649Y CN 2503649 Y CN2503649 Y CN 2503649Y CN 01260039 U CN01260039 U CN 01260039U CN 01260039 U CN01260039 U CN 01260039U CN 2503649 Y CN2503649 Y CN 2503649Y
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- 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
- H02B7/08—Underground substations
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Abstract
The utility model relates to a prefabrication type underground box type transformer station, which mainly comprises a box body and a box cover. The box body is a rectangular box body with ears on the both sides; the inner space of the box body is divided into an equipment layer and a cable interlayer; a low voltage power distributing cabinet, a high voltage ring net cabinet, a cable incoming and outgoing cabinet and a transformer are arranged in the equipment layer; the cable interlayer used for penetrating an incoming cable and a tie cable is arranged at the bottom of the box body; the high voltage ring net cabinet and a low voltage power distributing cabinet equipment supporting rack are pre-fabricated at the plate bottom of the equipment layer. The box body prefabricates a compound ring enclosed type ground net, and an earthing pole is reserved at the upper part of the box body; waterproof treatments are added at the positions of the box body, the box cover, a cable inlet opening and a cable outlet opening. Vent openings are arranged on the both sides of the box cover; a manhole is arranged on the box cover, a movable access hole cover plate is arranged at the position of the manhole and is corresponded with the position of the access hole cover plate, a tensile access ladder is arranged at the top of the box body. The prefabrication type underground box type transformer station is arranged under the ground, the passing of a vehicle and a foot passenger on the ground is not influenced; the manufacture of the box type transformer station can realize the industrialized production, the coast is saved, and the construction period is shorten.
Description
Technical field
The utility model relates to a kind of small-sized transformer station, refers to a kind of underground good prefabricated underground box-type transformer substation of manufacturing in advance that is installed in especially.
Background technology
Along with improving constantly of life of urban resident quality, household electrical appliance universal day by day, the urban distribution network load constantly increases.Power load is goed deep into load center, and the radius of electricity supply of low-voltage network is progressively dwindled (urban centre is not more than 100 meters).In order to address this problem, just must increase and build some transformer stations, the commerce particularly populous at some, that site coverage is big, economy, cultural center build transformer station.But; because box-type substation and surrounding enviroment are inharmonious on the ground; influence the harmony of urban environment; and there is special requirement in urban planning authority to look of the city and integrated environment; particularly to areas such as busy section of town, down town, historical relic's protections; so construction box-type substation difficulty on the ground is very big.And, in the busy section of town, the residential block builds box-type substation on the ground, city dweller and visitor's safety is also caused certain threat.In addition, take over for use and build the land expropriation cost costliness of transformer station on the ground, the difficulty of removing, the place is irregular, and execution conditions are abominable, and these bring many unfavorable factors all for the construction of ground box-type substation.
Summary of the invention
In view of the foregoing, the purpose of this utility model provides a kind of prefabricated underground box-type transformer substation that is installed in underground, short construction period, saving operating expenses, masses' safety is not on every side had threat, the all devices of this underground box-type transformer substation all before dispatching from the factory Installation and Debugging finish, and it has made full use of the underground space, is installed in underground.
For achieving the above object, the utility model is taked following design: this prefabricated underground box-type transformer substation is characterized in that: it is mainly by being installed in underground casing and case lid two parts are formed; The two ends of described case lid are provided with ventilating opening; Have manhole on the case lid, be provided with movable cover plate for manhole at the manhole place; The cover plate periphery is equipped with sealing ring; Described box house is provided with low-voltage distribution cabinet, high pressure ring cabinet, cable in-out cabinet and transformer; The electric power incoming line cable enters described cable in-out cabinet by described case lid ventilating opening, link to each other with described high pressure ring cabinet through cable in-out cabinet, described high pressure ring cabinet links to each other with the high-pressure side of described transformer, step down side links to each other with described low-voltage distribution cabinet, low-voltage cable again through described cable in-out cabinet, enter cable by the described case lid ventilating opening outlet of opposite end and give pipe laying; Described casing, casing and case lid, cable gateway all add water-proofing treatment; The closed ground net of the prefabricated composite ring of described casing, and reserve earth electrode on casing top.
Described casing is the rectangle box body of one or two sideband " ear "; The box house space is divided into mechanical floor and cable interlayer two parts; Adopt " product " font to arrange that the left and right sides is provided with described low-voltage distribution cabinet, high pressure ring cabinet, cable in-out cabinet and transformer in the mechanical floor; Bottom half is the cable interlayer that is used to wear inlet wire cable and high pressure ring cabinet and transformer bay link cable; At the bottom of the equipment laminate, be shaped on high pressure ring cabinet and low-voltage distribution cabinet equipment supporter in advance.Described casing is formed by the reinforced concrete one-piece casting, and concrete adopts the waterproof concrete, mixes multi-functional complexing agent in concrete; Described case lid is welded into matrix by galvanized steel plain sheet.Interlayer top board between described box house mechanical floor and cable interlayer is welded into matrix by galvanized steel plain sheet, the local grate of being convenient to Gas Exchange in the interlayer that adopts.Described prefabricated underground box-type transformer substation electrical main connecting wire adopts single bus scheme, inlet wire, outlet and transformer outlet each one the tunnel, low pressure outlet three tunnel and configuration capacitor.Described high pressure ring cabinet is a 2RK+1T type SF6 ring main unit, and its turnover line configuration rated current is 630A, and drop-out current is the SF6 on-load switch of 20kA, and disposes short circuit/earth-fault indicator; Described low-voltage distribution cabinet is totally-enclosed power distribution cabinet, selects the NZM10-400A air switch in the cabinet for use, and disposes one group in 120kVar capacitor; Described transformer is selected S9M-400/10 10 for use
*2 * 2.5%/0.4kV D, the hermetically sealed oil-filled transformer of yn11, transformer outlet configuration rated current is 630A, drop-out current is the SF6 on-load switch one fuse combination of 20kA.Electric connection part in the described casing is divided into totally-enclosed all insulation, and the secondary inlet wire all installs protective cover additional in the high-low pressure cabinet, transformer with all adopted T type elbow type plug being connected of high-low pressure equipment; All cable gateways add water-proofing treatment by steel pipe or pvc pipe protection; Described casing adopts self waterproof structure; The manhole on casing and case lid interface and case lid top all is provided with waterproof grommet.Be provided with railing below the described case lid removable cover; On the described tank wall Moisture-proof lamp is installed.
The utility model is owing to take above design, have the following advantages: 1, because the utility model is a underground box-type transformer station, its installation, be embedded in underground, made full use of the underground space, save expensive expropriation of land, construction cost, and solved transformer station and surrounding environment problem not in tune.2, all electric equipments in the utility model box-type substation are all finished in the preceding installation of dispatching from the factory, debugging, only need during installation casing part and cap portion lifting, waterproof, anticreep processing are got final product, save cycle, the operating expenses of construction greatly, realized the batch production manufacturing.3, every box-type substation of the utility model all is equipped with comprehensive controller, realizes the automatic switching to compensation condenser, realizes the power supply metering that case is become simultaneously.Gather electric current, voltage in the box-type substation, active power, reactive power and telemetry intelligence (TELINT)s such as calculating active electrical degree and idle electric degree; And gather remote signalling information such as the high and low pressure position of the switch, cable fault signal, capacitor protection actuating signal.The comprehensive controller of every box-type substation is by modulator-demodulator and optical cable and near optical networking of box-type substation formation.Remote signalling information is sent to the centralized control center, realizes automatic management whole distribution system.
Description of drawings
Fig. 1 is the utility model prefabricated underground box-type transformer substation general layout.
Fig. 2 is that prefabricated underground box-type transformer substation A-A shown in Figure 1 is to profile.
Fig. 3 is that prefabricated underground box-type transformer substation B-B shown in Figure 1 is to profile.
Fig. 4 is a prefabricated underground box-type transformer substation part sectioned view shown in Figure 1.
Fig. 5 is the utility model cut-away drawing.
Fig. 6 is the utility model construction schematic diagram.
Fig. 7 is a ventilation schematic diagram in the utility model case.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model prefabricated underground box-type transformer substation mainly is made up of casing 1 and case lid 2 two parts.Casing 1 is the rectangle box body of one two sideband " ear ", and the box house space is divided into mechanical floor 11 and cable interlayer 12 two parts.Adopt " product " font to arrange that the left and right sides is provided with low-voltage distribution cabinet 13, high pressure ring cabinet 14, cable in-out cabinet 15 and transformer 16 in the mechanical floor 11, middle body is the operating space.Bottom half is the high cable interlayer of 300mm 12, is used to wear the link cable of inlet wire cable and high pressure ring cabinet and transformer bay.For satisfying the requirement of a cable radius of turn, high pressure ring cabinet that prefabricated 200mm is high at the bottom of the equipment laminate and low-voltage distribution cabinet equipment supporter 17 (seeing accompanying drawing 3).
Have manhole on the case lid 2, be provided with movable cover plate for manhole 21 at the manhole place.One side of cover plate 21 is connected with case lid by screw, raises the back and becomes 90 ° to be supported on the case lid with case lid, and the cover plate periphery is equipped with sealing ring.Corresponding to cover plate for manhole 21 places, in casing 1 top design one extensile cat ladder is arranged, the maintainer can enter in the case along cat ladder by being located at the movable cover plate for manhole 21 on the case lid 2, then cat ladder is packed up, and operates.Come in and go out for ease of the staff, be provided with railing below removable cover 21, cover plate is raised the back railing and be can be used as the handrail use.In addition, also be provided with ventilating opening 22 at the two ends of case lid 2.For ease of the service work at night, Moisture-proof lamp 18 (as shown in Figure 4) is installed on tank wall.
The utility model casing 1 high 2500mm, long 3700mm, wide 2900mm, casing wall thickness 100mm, overall weight is about 13 tons.It is formed by the reinforced concrete one-piece casting, and concrete adopts the waterproof concrete, mixes multi-functional complexing agent in concrete, makes concrete have high-strength, high impervious, high durable and crack resistance.Case lid 2 is welded into matrix by galvanized steel plain sheet.Insert bitumen concrete, floor tile etc. and surrounding environment identical materials after the casing integral installation, whole box-type substation and surrounding environment are combined together, thereby reach the effect of " turning a blind eye to ".The same case lid of interlayer top board structure between box house mechanical floor and cable interlayer, the local grate that adopts is convenient to Gas Exchange in the interlayer.
The prefabricated underground box-type transformer substation is applicable to cable ring-system type user, and the electric connecting relation of its inner electric equipment as shown in Figure 5.Electrical main connecting wire adopts single bus scheme, i.e. 10kV inlet wire, outlet and transformer outlet each 1 the tunnel, one group in low pressure outlet 3 tunnel and band configuration capacitor.
High pressure ring cabinet 14 links to each other with the high-pressure side of transformer 16, and the low-pressure side of transformer 16 links to each other with low-voltage distribution cabinet 13.High pressure ring cabinet 14 is 2RK+1T type SF6 ring (SF6 refers to sulfur hexafluoride gas) net cabinet, and its turnover line configuration rated current is 630A, and drop-out current is the SF6 on-load switch of 20kA, and disposes short circuit/earth-fault indicator.Low-voltage distribution cabinet is that overall dimensions are the totally-enclosed power distribution cabinet of 1000 * 500 * 1400mm, selects the NZM10-400A air switch in the cabinet for use, and disposes one group in 120kVar capacitor.Transformer 16 is selected S9M-400/10 10 for use
*2 * 2.5%/0.4kV D, the hermetically sealed oil-filled transformer of yn11, transformer high-low pressure terminal is arranged in the transformer two ends.Transformer outlet configuration rated current is 630A, and drop-out current is the SF6 on-load switch one fuse combination of 20kA.Go out mode on advancing under long cable section of ingoing line adopts.
Box-type substation 10kV electric power incoming line cable enters cable in-out cabinet 15 by the ventilating opening place of upper box lid side, again through cable interlayer return high pressure ring cabinet 14 (with guarantee inlet wire under the high pressure ring cabinet routinely, versatility), link to each other with transformer 16, the outlet of step down side low-voltage cable is again through cable in-out cabinet 15, enters cable by the ventilating opening outlet of opposite end and gives pipe laying.All cable gateways by? 150 steel pipes or pvc pipe protection add water-proofing treatment.
For guaranteeing the safety of box-type substation, prevent the generation of electric leakage accident.The closed ground net of the prefabricated composite ring of casing, and reserve earth electrode on casing top.When waiting to construct with newly do earth mat and reliably weld, to guarantee that ground network ground resistance is less than 4 ohm.For the low-pressure system safety ground principle of middle pressure neutral point low resistance grounding system, the transformer place of working is drawn by insulated conductor overcoat pvc pipe, two ground networks separately, at a distance of 5 meters.
For realizing that every box-type substation all is equipped with comprehensive controller, realizes the automatic switching to compensation condenser, realizes the power supply function of measuring that case is become simultaneously to every box-type substation automation control.Gather electric current, voltage in the box-type substation, active power, reactive power and telemetry intelligence (TELINT)s such as calculating active electrical degree and idle electric degree; And gather remote signalling information such as the high and low pressure position of the switch, cable fault signal, capacitor protection actuating signal.The comprehensive controller of every box-type substation is by modulator-demodulator and optical cable and near optical networking of box-type substation formation.Remote signalling information can be sent to the centralized control center, realize the automatic management of distribution system.The link cable of 10kV looped network 1T outlet unit cabinet and transformer high-voltage adopts YJV22-8.7/15kV3 * 70mm
2Cable, two ends all adopt T type elbow type plug.The link cable of low-tension distribution box and transformer low voltage adopts double joint 3 * 185+2 * 50mm
2Flexible cable connects, and step down side adopts T type elbow type plug to peg graft.
The prefabricated underground box-type transformer substation is manufactured in factory and is transported to infield (as shown in Figure 6) after finishing, the soil property situation concrete according to installed position, and excavation is with the close hole body of casing volume, and its size is determined according to on-the-spot soil property; System is done ground network in the hole, then at the thick concrete bed course of the end, hole shop one deck 150mm; With prefabricated underground box-type transformer substation hoisted in position, the turnover line cable butting of reserving with the scene inserts cable, finish the waterproof shutoff of cable preformed hole, with the manhole sealing and fixing, at last, between casing and hole wall, fill up, and fill the water-proofing treatment top layer that prevents to damage casing, can drop into commencement of commercial operation with sandstone.The prefabricated underground box-type transformer substation can be installed under the road, under the flower bed, not only utilize underground abundant space resources well, mainly is that the urban planning that has satisfied some particular surroundingss requires and harsh construction period.
Because the requirement of running environment, consider the problem that rainy season is long simultaneously, all devices adopts the higher electric equipment of degree of protection, electric connecting member has been accomplished totally-enclosed all insulation, the secondary inlet wire all installs protective cover additional in the high-low pressure cabinet, transformer with all adopted T type elbow type plug being connected of high-low pressure equipment.
The hot pressing that blast that box-type substation causes by the outer wind-force of casing and indoor/outdoor temperature-difference form is ventilated, and its ventilating path as shown in Figure 7.Underground box-type transformer substation is by the grate at case lid ventilating opening place, wind passes through ventilation duct earlier from top to bottom from the louver of ventilating opening, from bottom to top enter casing again, equipment is dispelled the heat (guarantee simultaneously SF6 gas leakage after SF6 gas purging), discharge from another ventilating opening louver through ventilation duct then.The louver of two ventilating openings is installed towards relative direction, is used for determining the flow direction of wind.Gas fully exchanges in the casing in order to make, and prevents that wind from directly forming convection current by two ventilation ducts of casing, causes air loss, and the lightweight deep bead is installed at a side ventilation duct place in casing, forces wind to circulate in whole box body.
The waterproof of underground box-type transformer substation mainly comprises casing waterproof, casing and case lid interface waterproof, ventilating opening waterproof, cable gateway waterproof and inspection manhole waterproof.Casing adopts self waterproof structure, can prevent effectively that underground water from infiltrating; Casing and case lid interface and inspection manhole place all are provided with waterproof grommet; Cable gateway place, pre-buried water string through walls on casing at first, after cable laying was finished, the waterproof material of filled bitumen flax silk, rubber bar between cable and sleeve pipe utilized ring flange to fix by stud and sleeve pipe again, formation flexible water node.Ventilating opening considers that water infiltrates naturally and utilizes two kinds of situations of ball float waterproof; From the low amounts of water that ventilating opening enters,, infiltrate in the sandstone of backfill from top to bottom naturally by the biasing wind page or leaf 221 at ventilating opening 22 places, the scupper 222 of casing 1; Flow into if run into a large amount of water, under the situation that current can not permeate the ground as early as possible naturally, the water level then also rising thereupon of ball float 19 of rising, thus ventilation duct is blocked, enter to prevent water.
The prefabricated underground box-type transformer substation is mainly used in busy sections of town such as city commercial, economy, cultural center, and its addressing avoids being installed on low-lying place, the place, ramp in city as far as possible, and suggestion is installed on the first-class physical features higher position of pavement.Solved the urban environment Total tune, product development has embodied the thought of " people-oriented ", and the prefabricated underground box-type transformer substation is installed on underground, and under pedestrian, the visitor's walking, vehicle pass-through is all unaffected on it; The box-type substation manufacturing can realize batch production, saves cost, the reduction of erection time; Underground box-type transformer substation needs regular inspection to safeguard simultaneously, regularly removes the foreign material of ventilating opening, seepage mouth in general per 6 months, checks the state of ball float, checks the sealing at cable inlet place simultaneously.
Claims (8)
1, a kind of prefabricated underground box-type transformer substation is characterized in that: it is mainly by being installed in underground casing and case lid two parts are formed;
The two ends of described case lid are provided with ventilating opening; Have manhole on the case lid, be provided with movable cover plate for manhole at the manhole place; The cover plate periphery is equipped with sealing ring;
Described box house is provided with low-voltage distribution cabinet, high pressure ring cabinet, cable in-out cabinet and transformer; The electric power incoming line cable enters described cable in-out cabinet by described case lid ventilating opening, link to each other with described high pressure ring cabinet through cable in-out cabinet, described high pressure ring cabinet links to each other with the high-pressure side of described transformer, step down side links to each other with described low-voltage distribution cabinet, low-voltage cable again through described cable in-out cabinet, enter cable by the described case lid ventilating opening outlet of opposite end and give pipe laying;
Described casing, casing and case lid, cable gateway all add water-proofing treatment;
The closed ground net of the prefabricated composite ring of described casing, and reserve earth electrode on casing top.
2, prefabricated underground box-type transformer substation as claimed in claim 1 is characterized in that: described casing is the rectangle box body of one or two sideband " ear "; The box house space is divided into mechanical floor and cable interlayer two parts; Adopt " product " font to arrange that the left and right sides is provided with described low-voltage distribution cabinet, high pressure ring cabinet, cable in-out cabinet and transformer in the mechanical floor; Bottom half is the cable interlayer that is used to wear inlet wire cable and high pressure ring cabinet and transformer bay link cable; At the bottom of the equipment laminate, be shaped on high pressure ring cabinet and low-voltage distribution cabinet equipment supporter in advance.
3, prefabricated underground box-type transformer substation as claimed in claim 1 or 2, it is characterized in that: described casing is formed by the reinforced concrete one-piece casting, and concrete adopts the waterproof concrete, mixes multi-functional complexing agent in concrete; Described case lid is welded into matrix by galvanized steel plain sheet.
4, prefabricated underground box-type transformer substation as claimed in claim 3 is characterized in that: the interlayer top board between described box house mechanical floor and cable interlayer is welded into matrix by galvanized steel plain sheet, the local grate of being convenient to Gas Exchange in the interlayer that adopts.
5, prefabricated underground box-type transformer substation as claimed in claim 1 is characterized in that: described prefabricated underground box-type transformer substation electrical main connecting wire adopts single bus scheme, inlet wire, outlet and transformer outlet each one the tunnel, low pressure outlet three tunnel and configuration capacitor.
6, prefabricated underground box-type transformer substation as claimed in claim 5, it is characterized in that: described high pressure ring cabinet is a 2RK+1T type SF6 ring main unit, its turnover line configuration rated current is 630A, and drop-out current is the SF6 on-load switch of 20kA, and disposes short circuit/earth-fault indicator; Described low-voltage distribution cabinet is totally-enclosed power distribution cabinet, selects the NZM10-400A air switch in the cabinet for use, and disposes one group in 120kVar capacitor; Described transformer is selected S9M-400/10 10 for use
*2 * 2.5%/0.4kV D, the hermetically sealed oil-filled transformer of yn11, transformer outlet configuration rated current is 630A, drop-out current is the SF6 on-load switch one fuse combination of 20kA.
7, prefabricated underground box-type transformer substation as claimed in claim 1, it is characterized in that: the electric connection part in the described casing is divided into totally-enclosed all insulation, the secondary inlet wire all installs protective cover additional in the high-low pressure cabinet, transformer with all adopted T type elbow type plug being connected of high-low pressure equipment; All cable gateways add water-proofing treatment by steel pipe or pvc pipe protection; Described casing adopts self waterproof structure; The manhole on casing and case lid interface and case lid top all is provided with waterproof grommet.
8, prefabricated underground box-type transformer substation as claimed in claim 1 or 2 is characterized in that: be provided with railing below the described case lid removable cover; On the described tank wall Moisture-proof lamp is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01260039U CN2503649Y (en) | 2001-09-20 | 2001-09-20 | Prefabricated underground box type converting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01260039U CN2503649Y (en) | 2001-09-20 | 2001-09-20 | Prefabricated underground box type converting station |
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| Publication Number | Publication Date |
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| CN2503649Y true CN2503649Y (en) | 2002-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01260039U Expired - Lifetime CN2503649Y (en) | 2001-09-20 | 2001-09-20 | Prefabricated underground box type converting station |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100463590C (en) * | 2007-07-10 | 2009-02-18 | 汪述普 | Well electric cabinet |
| CN100508313C (en) * | 2006-07-19 | 2009-07-01 | 郭建厂 | Surface protection type integrated transformer substation |
| CN101303707B (en) * | 2008-07-03 | 2011-08-24 | 天津市三源电力设备制造有限公司 | Computer-aided design method for premounting transformer substation air vent |
| CN101771244B (en) * | 2009-12-29 | 2012-05-23 | 何排枝 | Integral-type underground high-voltage transformation equipment |
| CN102535521A (en) * | 2010-12-17 | 2012-07-04 | 上海市电力公司 | Anti-leakage method of 500KV underground substation |
| CN102971924A (en) * | 2010-04-21 | 2013-03-13 | Abb技术有限公司 | Underground transformer station for high and medium voltage |
| CN103269015A (en) * | 2013-04-29 | 2013-08-28 | 宁波恒泽电器科技有限公司 | Safe switch cabinet |
| CN104167673A (en) * | 2014-07-24 | 2014-11-26 | 天津市三源电力设备制造有限公司 | Box-type opening and closing station without external power supply |
| CN104167680A (en) * | 2014-07-30 | 2014-11-26 | 国家电网公司 | Underground arrangement system and method for cable trough embedding type substation secondary equipment |
| CN104518440A (en) * | 2014-12-24 | 2015-04-15 | 吴江变压器有限公司 | 10 kV intelligent high-and-low-voltage prefabricated substation |
| CN104538873A (en) * | 2014-07-30 | 2015-04-22 | 国家电网公司 | Pipeline-type transformer substation secondary equipment underground arrangement system and method |
| CN104810729A (en) * | 2014-01-25 | 2015-07-29 | 张丽华 | Total-buried transformer station drainage ventilation apparatus |
| CN104810739A (en) * | 2014-01-25 | 2015-07-29 | 张丽华 | Total-buried nonmetal casing prefabricated type intelligent transformer station |
| CN105990800A (en) * | 2015-12-24 | 2016-10-05 | 何排枝 | All-weather underground box type switch station |
| CN106856301A (en) * | 2015-12-09 | 2017-06-16 | 朱森 | A kind of buried distribution box |
| CN110700649A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of buried transformer substation |
| CN110700650A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of pouring type buried transformer substation |
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2001
- 2001-09-20 CN CN01260039U patent/CN2503649Y/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100508313C (en) * | 2006-07-19 | 2009-07-01 | 郭建厂 | Surface protection type integrated transformer substation |
| CN100463590C (en) * | 2007-07-10 | 2009-02-18 | 汪述普 | Well electric cabinet |
| CN101303707B (en) * | 2008-07-03 | 2011-08-24 | 天津市三源电力设备制造有限公司 | Computer-aided design method for premounting transformer substation air vent |
| CN101771244B (en) * | 2009-12-29 | 2012-05-23 | 何排枝 | Integral-type underground high-voltage transformation equipment |
| CN102971924B (en) * | 2010-04-21 | 2016-06-01 | Abb技术有限公司 | Subway transformer-transformer station for high and medium voltage |
| CN102971924A (en) * | 2010-04-21 | 2013-03-13 | Abb技术有限公司 | Underground transformer station for high and medium voltage |
| CN102535521B (en) * | 2010-12-17 | 2015-07-29 | 上海市电力公司 | The Antiseep method of 500KV underground substation |
| CN102535521A (en) * | 2010-12-17 | 2012-07-04 | 上海市电力公司 | Anti-leakage method of 500KV underground substation |
| CN103269015A (en) * | 2013-04-29 | 2013-08-28 | 宁波恒泽电器科技有限公司 | Safe switch cabinet |
| CN103269015B (en) * | 2013-04-29 | 2015-06-03 | 宁波恒泽电器科技有限公司 | Safe switch cabinet |
| CN104810729A (en) * | 2014-01-25 | 2015-07-29 | 张丽华 | Total-buried transformer station drainage ventilation apparatus |
| CN104810739A (en) * | 2014-01-25 | 2015-07-29 | 张丽华 | Total-buried nonmetal casing prefabricated type intelligent transformer station |
| CN104167673A (en) * | 2014-07-24 | 2014-11-26 | 天津市三源电力设备制造有限公司 | Box-type opening and closing station without external power supply |
| CN104167680B (en) * | 2014-07-30 | 2016-09-07 | 国家电网公司 | A kind of cable trench embedded transformer station secondary device underground system and method |
| CN104167680A (en) * | 2014-07-30 | 2014-11-26 | 国家电网公司 | Underground arrangement system and method for cable trough embedding type substation secondary equipment |
| CN104538873A (en) * | 2014-07-30 | 2015-04-22 | 国家电网公司 | Pipeline-type transformer substation secondary equipment underground arrangement system and method |
| CN104518440A (en) * | 2014-12-24 | 2015-04-15 | 吴江变压器有限公司 | 10 kV intelligent high-and-low-voltage prefabricated substation |
| CN106856301A (en) * | 2015-12-09 | 2017-06-16 | 朱森 | A kind of buried distribution box |
| CN105990800A (en) * | 2015-12-24 | 2016-10-05 | 何排枝 | All-weather underground box type switch station |
| CN110700649A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of buried transformer substation |
| CN110700650A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of pouring type buried transformer substation |
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