CN204760838U - It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer - Google Patents

It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer Download PDF

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Publication number
CN204760838U
CN204760838U CN201520402798.2U CN201520402798U CN204760838U CN 204760838 U CN204760838 U CN 204760838U CN 201520402798 U CN201520402798 U CN 201520402798U CN 204760838 U CN204760838 U CN 204760838U
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China
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low
cabinet
transformer
pressure
voltage
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Expired - Fee Related
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CN201520402798.2U
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Chinese (zh)
Inventor
边炳传
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Taishan University
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Taishan University
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Abstract

The utility model discloses an it holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer includes hyperbaric chamber, transformer room and low -pressure chamber, high -pressure inlet wire cabinet, high pressure measurement cabinet, high -pressure looped netowrk cabinet and the high pressure cabinet of being qualified for the next round of competitions has been placed in the hyperbaric chamber, the transformer room has been placed to carry to transfer and has been held the three -dimensional three -dimensional iron core transformer of book, placed low pressure inlet wire cabinet, low pressure compensation cabinet and the low pressure cabinet of being qualified for the next round of competitions in the low -pressure chamber, primary equipment adopts totally enclosed structure, and secondary equipment adopts the computer integrated automation control system of transformer substation, the interior equipment of hyperbaric chamber, transformer room and low -pressure chamber is the independent assortment as required. The utility model discloses collecting high tension switchgear, having the accent of carrying to hold the three -dimensional iron core transformer of book of three -dimensional, low -voltage switchgear in an organic whole, it is little to account for the sky, and complete set nature is strong, uses on a large scale in the suitable urban and rural power grids construction and upgrading.

Description

The loaded capacity-regulated low box-like transformer station of damage smart group
Technical field
The utility model relates to complete set of distribution field, specifically a kind of loaded capacity-regulated low box-like transformer station of damage smart group.
Background technology
The economic development of nearly two more than ten years, the general layout of urban electricity supply there occurs larger change, and the mode of past that concentrated step-down, long distance distribution constrains urban electricity supply greatly, and reduces the economic benefit of power supply enterprise.Reason is that radius of electricity supply is excessive, and line loss increases greatly along with the increase of power load, and power supply quality also reduces greatly simultaneously.For this reason, country, in Urban Net Construction, requires that high voltage direct taps into into urban district, gos deep into load center.Meanwhile, due to the development of information-based, networking and intelligent housing district, not only require that box-type substation is safe and reliable, require the intelligent functions with " four is distant " (remote measurement, remote signalling, remote regulating, remote control) simultaneously.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of loaded capacity-regulated low box-like transformer station of damage smart group, integrate high-tension switch cabinet, loaded capacity-regulated 3 D stereo reel iron core transformer, low-tension switch cabinet, duty is little, complete property is strong, is applicable to large-scale application in urban and rural power grids construction and upgrading.
For achieving the above object, the technical scheme that the utility model adopts is:
The loaded capacity-regulated low box-like transformer station of damage smart group, include hyperbaric chamber, transformer room and low-pressure chamber, High-voltage Incoming Cabinet, high-voltage metering cubicle, high-voltage ring main unit and high-voltage terminal cabinet is placed with in described hyperbaric chamber, loaded capacity-regulated 3 D stereo reel iron core transformer is placed by described transformer room, low voltage incoming line cabinet, low-voltage compensation cabinet and low-pressure line-outgoing cabinet is placed with in described low-pressure chamber, primary equipment adopts full-closed structure, secondary device adopts transformer station's Integrated Automation Control System of Microcomputer, described hyperbaric chamber, transformer room and low pressure indoor equipment independent assortment as required.
Low-voltage contact in described low-pressure chamber adopts differential arcing structure, and low-voltage contact switches at micro-electric arc or without conditions at the arc, solves capacitance switch for transformer built-in electrical insulation oil volume less, will meet extinguishing arc needs for a long time, the difficult problem that circuit-breaker oil useful life is short.
The utility model structure is simple, on the basis of traditional box-type substation, in casing, primary equipment adopts the sophisticated equipment such as totally-enclosed high-tension switch cabinet, loaded capacity-regulated 3 D stereo reel iron core transformer, product without exposed live part, totally-enclosed all insulation structure, zero electric shock accidents can be reached completely, Quan Zhanke realizes non-oil ultra high vacuum system and runs, and security performance is high, and secondary device adopts Integrated Automation Control System of Microcomputer, can unattended operation be realized, safe and reliable; Automaticity is high; Compound mode is flexible, compact conformation, and each case all forms an independently system, combines flexible and changeable, meets the safe operation needs of user; Have employed loaded capacity-regulated 3 D stereo reel iron core transformer makes transformer room's width obviously narrow, and takes up an area little, good looking appearance, both can be used as fixing electric substation, can be used as portable (mining) substation again, have the effect of interspersing and beautifying the environment.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the inner schematic diagram in the utility model hyperbaric chamber;
Fig. 3 is the inner schematic diagram of the utility model low-pressure chamber.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
As Figure 1-3, the loaded capacity-regulated low box-like transformer station of damage smart group, include hyperbaric chamber 1, transformer room 2 and low-pressure chamber 3, High-voltage Incoming Cabinet 11 is placed with in described hyperbaric chamber 1, high-voltage metering cubicle 12, high-voltage ring main unit 13 and high-voltage terminal cabinet 14, loaded capacity-regulated 3 D stereo reel iron core transformer 21 is placed by described transformer room 2, low voltage incoming line cabinet 31 is placed with in described low-pressure chamber 3, low-voltage compensation cabinet 32 and low-pressure line-outgoing cabinet 33, primary equipment adopts full-closed structure, secondary device adopts transformer station's Integrated Automation Control System of Microcomputer, described hyperbaric chamber 1, equipment independent assortment as required in transformer room 1 and low-pressure chamber 3.
In concrete implementation process, after the utility model Installation and Debugging, concrete parameter is as follows:
1. system nominal voltage: 10kV, ceiling voltage: 12V;
2. high voltage side of transformer rated voltage: city becomes or should select 10.5 native 5%V near mains side, becomes away from mains side or rural area and should select 10 native 5%V; Low-pressure side rated voltage: 0.4V.
3. rated frequency: 50Hz
4. specified heat-stable current and the time (A/s): high tension loop 20kA/3 low tension loop 30kA/1; Grounded circuit 20kA/3.
5. specified dynamic current and the time (peak value, A): high tension loop 50; Low tension loop 63; Grounded circuit 36;
6. industrial frequency withstand voltage (V): high tension loop 42; High pressure fracture 48; Low tension loop 2.5; Transformer 35; Control and subsidiary loop: 2.0.
7. lightning impulse withstand voltage (V): high tension loop 75; High pressure fracture 85; Low tension loop 6.
8. noise level: be not more than 50dB within transformer capacity 1250kVA.
9. case shell degree of protection: be not less than IP3X; Casing color military green.
10. allow temperature rise: the permission temperature rise value of high-tension apparatus is shown in that GB/T11022-1999 specifies; The permission temperature rise value of transformer is shown in that GB1094 or GB6450 specifies; The permission temperature rise value of low-voltage equipment is shown in that GB7251 specifies;
11.1000kVA and following transformer adopt high voltage load switch-fuse protected, and 1250kVA and above transformer adopt primary cut-out protection.
12. maximum permission sizes are (dark × wide × high: mm): 630kVA and following transformer terminal type 3200 × 2000 × 2500, looped network type 3200 × 2500 × 2500; 1250-8000kVA transformer terminal type 3400 × 2300 × 2600, looped network type 3400 × 2700 × 2600.
The function that the utility model can realize is as follows with the feature had:
1. loaded capacity regulating voltage regulating integration;
2. adopt synchronous differential arcing technology, the micro-electric arc of low-voltage contact or without conditions at the arc switched design, greatly improve low-voltage, high-current contact useful life, slow down insulating oil aging speed, switch miniaturization is achieved.
3. intelligent load is followed the tracks of and automation operating system design
This device also can be provided with the electromagnetic clutch making pressure regulation part and a set of operating mechanism of capacity transfer partial common between the quick mechanism of the operating mechanism lower end of capacity transfer part and capacity transfer part and pressure regulation quick mechanism.Also can be provided with and automatically adjust capacity according to the change of transformer load electric current or carry out the electric control box of automatic regulating voltage according to the fluctuation of load voltage.Adopt the method that two-way is examined mutually, follow the tracks of the load variations of converting equipment with intelligent load, automatically send the automation mechanized operation that operational order can realize unsupervised.
4. case becomes the inner high voltage mode of connection
High pressure (12kV) side; adopt on-load switch current fuse (or vacuum circuit-breaker) as the main protection of transformer; generally there are looped network, duplicate supply and terminal three kinds of supply power modes, have two groups of plug-in fuses and the series connection of backup protection fuse to carry out segmentation limit protection.Must can be linked during the fusing of current limiting fuse one phase tripping three-phase load switch, phase-deficient operation do not occur.Line side on-load switch must be furnished with DC power supply (DC24V) motor-operating mechanism, can realize without self-starting under external AC power state.The current transformer of the required configuration detection fault current in looped network loop or transducer.Ring network power supplying units is generally at least made up of three intervals, i.e. two ring cable turnover intervals and a transformer circuit interval.On-load switch, when isolated fault line segment, can recover the continuous power supply in loop in time; The fuse F be connected with on-load switch shields when middle pressure/low pressure becomes device generation internal fault; On-load switch also plays isolation and ground connection effect to fuse and transformer.High-voltage switch gear should select the high product of the future with having automation equipment and communication interface of reliability: as SF6 on-load switch, pressure-operated load switch, vacuum load switch etc.
5. the coupling of transformer and radiating treatment
Case change transformer, be generally that voltage is down to 380V/220V, transformer capacity is 160-1600kva, and the most frequently used capacity is 315 ~ 630kVA.Its device is as three-phase three-column or three-phase and five-pole structure, DYnll or YYn0 connection, and it is outside that fuse is connected to " △ ".The advantage of three-phase five-limb DYnl1 transformer is that band three-phase asymmetric load ability is strong, and can not offset by the asymmetric neutral point voltage that causes of three characteristics of the middle term load, load voltage quality can be guaranteed, and has good lightning protection characteristic.Transformer should have complete operation viewing instrument instruments and meters, as the pressure vacuum gauge etc. of oil level gauge and upper strata oil temperature gauge and reflection top air pressure level.
6. transformer adopts 3 D stereo reel iron core transformer, and it has obvious energy-saving effect.
7. intelligent system is equipped with
Intelligent box becomes the intelligent components and parts adopted should configure power supply, interface device, communication media, control appliance (host computer, intelligent instrument etc.) to meet intelligentized requirement.Intelligent box becomes: adopt Profuse-DP standard, the components and parts (slave station) with ability to communicate are attached thereto by opening field bus technique, thus realize main website by bus to the remote measurement of switch, electrical network, adjustment, control, communication; Or adopt intelligent controller to carry out the measurement of Local or Remote, adjustment, control, communication to high and low pressure side.Consider the requirement of user to intelligent monitoring when system schema configures, adopt one of following two kinds of modes to carry out: l) high and low pressure side configures intelligent system respectively; 2) high and low pressure side unified configuration intelligent system.The components and parts installation of intelligent system, layout, field wiring etc. should meet relevant requirements, for electromagnetic compatibility (EMC), must adopt advanced Anti-Jamming Technique.The monitoring software write mainly comprises the remote control interface such as major loop, frame circuit breaker, control loop and power distribution system information.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection range of the present utility model.

Claims (2)

1. the loaded capacity-regulated low box-like transformer station of damage smart group, it is characterized in that, include hyperbaric chamber (1), transformer room (2) and low-pressure chamber (3), High-voltage Incoming Cabinet (11) is placed with in described hyperbaric chamber (1), high-voltage metering cubicle (12), high-voltage ring main unit (13) and high-voltage terminal cabinet (14), loaded capacity-regulated 3 D stereo reel iron core transformer (21) is placed by described transformer room (2), low voltage incoming line cabinet (31) is placed with in described low-pressure chamber (3), low-voltage compensation cabinet (32) and low-pressure line-outgoing cabinet (33), primary equipment adopts full-closed structure, secondary device adopts transformer station's Integrated Automation Control System of Microcomputer, described hyperbaric chamber (1), transformer room (2) and low-pressure chamber (3) interior equipment independent assortment as required.
2. the loaded capacity-regulated low box-like transformer station of damage smart group according to claim 1, it is characterized in that, the low-voltage contact in described low-pressure chamber (3) adopts differential arcing structure, and low-voltage contact switches at micro-electric arc or without conditions at the arc.
CN201520402798.2U 2015-06-12 2015-06-12 It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer Expired - Fee Related CN204760838U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520402798.2U CN204760838U (en) 2015-06-12 2015-06-12 It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer

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Application Number Priority Date Filing Date Title
CN201520402798.2U CN204760838U (en) 2015-06-12 2015-06-12 It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922817A (en) * 2018-07-10 2018-11-30 深圳市地铁集团有限公司运营总部 Earthed system is isolated in traction rectifier transformer
CN111276893A (en) * 2020-03-05 2020-06-12 浙江东都电器成套有限公司 Box-type substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922817A (en) * 2018-07-10 2018-11-30 深圳市地铁集团有限公司运营总部 Earthed system is isolated in traction rectifier transformer
CN111276893A (en) * 2020-03-05 2020-06-12 浙江东都电器成套有限公司 Box-type substation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151111

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CF01 Termination of patent right due to non-payment of annual fee