CN105762924A - Moveable rapid solid state power supply change-over switch apparatus - Google Patents
Moveable rapid solid state power supply change-over switch apparatus Download PDFInfo
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- CN105762924A CN105762924A CN201610254224.4A CN201610254224A CN105762924A CN 105762924 A CN105762924 A CN 105762924A CN 201610254224 A CN201610254224 A CN 201610254224A CN 105762924 A CN105762924 A CN 105762924A
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- power supply
- state power
- over switch
- container
- switch
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
A moveable rapid solid state power supply change-over switch apparatus comprises a moving vehicle, a rapid solid state power supply change-over switch container and electric primary and secondary equipment. The rapid solid state power supply change-over switch container comprises rapid solid state power supply change-over equipment, a distribution box and auxiliary equipment. The rapid solid state power supply change-over equipment comprises two incoming line valve body cabinets, two outgoing line breaker cabinet, a control cabinet, an alternating current screen and a direct current screen. The rapid solid state power supply change-over switch container and each power distribution unit in the container are connected to a moving vehicle pedestal through bolts. The apparatus has advantages that an integration degree is high and components are integrated in one container; the apparatus is movable so that the apparatus can be rapidly transferred, installed and operated at a place where emergency power supply switching is needed; smooth switching of an important load can be guaranteed and a great influence of a voltage drop on a power grid is avoided.
Description
Technical field
The invention belongs to power system power transmission and distribution field, be specifically related to one and combine packaged type fast solid-state power change-over switch device flexibly.
Background technology
Voltage Drop is the power quality problem that people comparatively pay close attention in recent years, for improving power supply reliability and the quality of power supply, is having the occasion of stand-by power supply, and traditional method is with switch disconnector, user is switched to trouble-free bus from faulted line segment.And the mechanical switch that is mostly adopted in medium and high pressure system switchs, this kind of switch is due to characteristic inherently, thus switch speed and transient characterisitics are not very good, it is impossible to accomplish the switching of " seamless ".Mechanical switch typical switching time several seconds ~ tens of seconds between, even if adopting vacuum switch or oil circuit breaker switching, needing the time of 0.1s ~ 0.2s at the soonest, can not meet modern sensitive load to the switching time of requirement within a few tens of milliseconds even 20 milliseconds.Development along with electronic power switch device, solid converting switch (SSTS) is made to solve the intrinsic problem of conventional mechanical switch gradually, such that it is able to be greatly improved the service life of switch speed and switch, meet sensitive and the critical load rigors to power supply reliability and the quality of power supply.
Solid converting switch adopts the mode of IGCT and mechanical switch parallel running, there iing the occasion of stand-by power supply, during normal operation, electric current on circuit flows through mechanical switch, thyristor switch is not turned on, such that it is able to produced on-state loss when avoiding IGCT to turn on for a long time, when main power source breaks down, disconnect mechanical switch, simultaneously to IGBT group order, when, after mechanical switch action, forward voltage is set up at thyristor valve two ends, IGCT turns on immediately, and load current is transferred to IGCT from mechanical switch；When after the current over-zero detected in IGCT, trigger the thyristor switch of standby electricity source immediately, thus electric current is transferred in the IGCT of stand-by power supply, close mechanical switch subsequently, load current is finally transferred to mechanical switch, completes whole handoff procedure, stand-by power supply be that load is powered, switch speed quickly, thus avoiding the power supply caused by mains power failure to pause.
But, traditional solid converting switch is all fixedly mounted in transformer station or switchyard, therefore quickly can only switch for fixing stand-by power supply or load, thus needing to be respectively mounted a set of solid converting switch at important load place, not only considerably increasing the cost of electrical network, and adding the complexity of circuit, need to waste the substantial amounts of time when installing and building and put into operation, floor space is big, it is impossible to mobile, it is impossible to use in the place of emergency power supply switching.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that one combines packaged type fast solid-state power change-over switch device flexibly.
For achieving the above object, the technical solution used in the present invention is: a kind of packaged type fast solid-state power change-over switch device, including locomotive, fast solid-state power change-over switch container, an electric secondary device, its feature in: described fast solid-state power change-over switch container includes fast solid-state power change-over switch equipment, distribution box and auxiliary equipment；Described fast solid-state power change-over switch equipment includes two inlet wire valve body cabinets, two wire-outgoing breaker cabinets, switch board, ac panel, direct current cabinets；Described auxiliary equipment includes emergency light, convection-type electric heater, air-conditioning, smoke detector, temperature controller, air inlet Rainproof louver window, air outlet Rainproof louver window；A described electric secondary device includes connecting distribution in cable, security protection photographic head case, valve triggers optical fiber, communication cable；
Described breaker cabinet includes threephase potential transformer, current transformer, handcart-type high-speed switch, voltage or electric current dial gauge, charged monitor, condensation controller, high-speed switch controller；
Described valve body cabinet includes current transformer, handcart-type valve body dolly, voltage or electric current dial gauge, condensation controller, charged monitor, sending can power supply, dynamic static voltage sharing, dynamic voltage balancing electric capacity；
Described switch board includes Work in Place station, master control cabinet, valve control cabinet, local industrial computer, protocol converter, control unit and regulates board, power supply board；
Each power distribution equipment in described fast solid-state power change-over switch container and container is bolted on locomotive base.
The present invention compared with prior art provides the benefit that: 1) adopting compact designed, integration degree is high；Described fast solid-state power change-over switch device, compact conformation, the parts of solid converting switch are fully integrated into a container, become an independent entirety.2) possess mobility, adopt fast solid-state power change-over switch device and movable car floor installation mode, it is simple to mobile and transport；Can emergency power supply switching place fast transfer, install and put into operation, thus ensureing the smooth switching of important load, it is to avoid the significant impact that electrical network is caused by Voltage Drop.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the packaged type fast solid-state power change-over switch device of the present invention；
Fig. 2 is the schematic diagram of the fast solid-state power change-over switch container of the present invention；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the rearview of Fig. 2；
Fig. 5 is the right view of Fig. 2；
Fig. 6 is the internal structure schematic diagram of Fig. 2；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the structural representation of Fig. 6 A-A section.
Icon illustrates: 1. fast solid-state power change-over switch container；2. locomotive；3.1# inlet wire valve body cabinet；4.1# wire-outgoing breaker cabinet；5.2# wire-outgoing breaker cabinet；6.2# inlet wire valve body cabinet；7. switch board；8. ac panel；9. direct current cabinet；10. air-conditioning；11. fire extinguisher cabinet；12. cable.
Detailed description of the invention
Below, in conjunction with accompanying drawing, packaged type fast solid-state power change-over switch device of the present invention is further illustrated.
Combination for realizing solid converting switch is flexible, floor space is few, cost is low, construction is installed and the cycle of putting into operation is short, can the feature such as transfer rapidly, the present invention proposes packaged type fast solid-state power change-over switch device, by solid converting switch being arranged in a container, form an independent entirety, it is fixed on locomotive, outside employing standard modular Interface design, when there is Voltage Drop in power failure, stand-by power supply circuit can be transferred quickly to, quickly put into operation, important load is switched to stand-by power supply, ensure the uninterrupted power supply of load, when power up is normal, smoothly load switching can be exited and put into operation, the combination of whole process is flexibly, speed is fast, avoid the significant impact that network system is caused by Voltage Drop.
Accompanying drawing 1 to accompanying drawing 8 is the structural representation of the embodiment of the present invention, the present embodiment one packaged type fast solid-state power change-over switch device, including locomotive 2, fast solid-state power change-over switch container 1, an electric secondary device, its feature in: described fast solid-state power change-over switch container 1 includes fast solid-state power change-over switch equipment, distribution box and auxiliary equipment；Described fast solid-state power change-over switch equipment includes 1# inlet wire valve body cabinet 3,2# inlet wire valve body cabinet 4,1# wire-outgoing breaker cabinet 5,2# wire-outgoing breaker cabinet 6, switch board 7, ac panel 8 and direct current cabinet 9；Described auxiliary equipment includes emergency light, convection-type electric heater, air-conditioning 10, smoke detector, temperature controller, air inlet Rainproof louver window, air outlet Rainproof louver window；A described electric secondary device includes connecting distribution in cable, security protection photographic head case, valve triggers optical fiber, communication cable；
Described 1# wire-outgoing breaker cabinet and 2# wire-outgoing breaker cabinet include threephase potential transformer, current transformer, handcart-type high-speed switch, voltage or electric current dial gauge, charged monitor, condensation controller, high-speed switch controller；
Described 1# inlet wire valve body cabinet and 2# inlet wire valve body cabinet include current transformer, handcart-type valve body dolly, voltage or electric current dial gauge, condensation controller, charged monitor, sending can power supply, dynamic static voltage sharing, dynamic voltage balancing electric capacity；
Described switch board includes Work in Place station, master control cabinet, valve control cabinet, local industrial computer, protocol converter, control unit and regulates board, power supply board；
In described fast solid-state power change-over switch container, each power distribution equipment is bolted on locomotive base.Increase between equipment in container and container and have aging resistance rubber cushion, have quakeproof rubber pad at bolt junction point.
The binding post 13 of electrical primary equipment and cable 12 connect gold utensil and adopt high intensity, high temperature resistant material, and copper is silver-plated, copper is tin plating or aluminium alloy in employing, and increase has patch panel area.Connection between copper tip and aluminium busbar, it is to avoid cause increasing resistance to heat up and couple corrosion phenomenon.Electric secondary line adopts the flexible control cable of shielding, oil resistant, high temperature resistant, anti drawing strongly specification connection.Packaged type fast solid-state power change-over switch device is outside adopts standard modular interface, when coordinating with outside distribution trolley, all the other reactive-load compensation cars can plug and play, combination is flexible.
Locomotive 2 vehicle frame adopts and wears girder structure, and longeron adopts straight formula, and web height is the welding of manganese plate from 400mm to 500mm, and longeron adopts adopting automatic submerged arc welding, and vehicle frame adopts bead, and crossbeam penetrates longeron and welds entirety.Suspension adopts dependent steel plate punching press type rigid suspended, is made up of tandem leaf spring box suspended bearer, and wheel supporting adopts springiness suspension, slows down impact for support loads.
Fast solid-state power change-over switch container 1 adopts integral coating formula, arranges down and encloses case, under enclose many hutch, workbox be set in case, place the relevant article such as maintenance tool, grounding device；Aviation Quick connector installation site is arranged on compartment lateral location, airtight waterproof；Under enclose external communication input socket be set in case, meet car body electrical equipment and other requirements.Enter and enclose case under the Men Kaizhi of box house, under enclose to arrange to get on the bus in case and mark time or vertical ladder.
Locomotive 2 vehicle chassis leaves is easy to the hole that cable connection is passed through；Locomotive chassis installs a support system additional, and a support system is capable of manual operation, and each support member of a support system can independent regulation.
Locomotive and container body have ground connection point, and come together in a place by earth lead, have the grounding device with external ground, it is ensured that each cabinet energy safety ground of internal container in container.
Fig. 2 to Fig. 5 is the signal of the fast solid-state power change-over switch container of the present invention, 2 standard clamshell doors are set in outside, 1 single open-door, Men Neijia rock wool heat-preservation, 1 antitheft door is set simultaneously, 3 second interface tilt-up doors, seal between all doors and doorframe, the outside top of all external doors sets an eaves, and in door, set up defences water valve sill in bottom.
Container roof plate and side plate adopt corrosion-resistant structure hot continuous-milling steel plate, it is ensured that all top board side plates of container and and framework between the air-tightness of weld seam.Base plate divides two-layer, and upper plate adopts 4mm thickness rib aluminium sheet, and lower shoe adopts 2mm thick cold rolled steel sheet and base to be directly welding as one, joint seal.Before assembling warming plate, casing spraying inside and outside open air heavy-duty anticorrosive coating.All cables along between exterior wall and heat-insulation wall plate down to bottom cable interlayer, the outer every side weld in two ends of case connects 2 earth points, in order to be attached with locomotive earth point.
Fig. 6, Fig. 7, Fig. 8 are the internal structure schematic diagrams of Fig. 2；In container, 1 wall hanging air conditioner of configuration, 1 electric heater, reliably fix between air-conditioning internal-external machine and electric heater and container body, outdoor machine of air-conditioner peripheral hardware guard rail, is also equipped with energy-saving lighting lamp, smog alarm, temperature controller, switch, socket etc. in casing.Container is provided externally with fire extinguisher cabinet 11.
The function of switch board 7 is to gather voltage and current signal, calculates effective value and shows at host computer, high-speed switch state is sent to valve control cabinet.Judging whether fault, whether phase angle difference is out-of-limit, and whether zero-sequence current is out-of-limit.Judge Voltage Drop at any time, and the situation according to electric current, voltage and phase angle difference, judge whether to cut, if needing to cut, sending and disconnecting power supply switch order to valve control cabinet, wait until to detect that power supply switches off and send after current over-zero Guan Bi standby electricity source switch order to valve control cabinet.Then locking solid converting switch, reruns solid converting switch after waiting until the blocking time that host computer sets again.This cabinet inside board has function, On-off signal output function, communication function when sampling functions, control and regulation function, defencive function, record wave energy, school.Being realized data communication by optical fiber between master control cabinet and valve control cabinet, communication adopts the form of coded pulse.
The function of valve body cabinet is to patrol and examine valve body TE plate and the internal board of the high-speed switch little case of control, obtain high-speed switch power supply and whether high-speed switch energy storage is normal, and the state reporting of high-speed switch and TE plate is shown to host computer, receive the high-speed switch status information that master control cabinet sends over.When receiving when cutting instruction of master control cabinet, first receive and disconnect power supply switch order, send then to the little case of high-speed switch and disconnect supply side chopper instruction, trigger the thyristor valve body in parallel for electrical circuit breakers simultaneously, after master control cabinet sends Guan Bi standby electricity source chopper instruction, Guan Bi standby electricity source switch, and trigger standby electricity source chopper parallel thyristors valve body simultaneously.Valve control cabinet has communication function, function during school, completes the data transmission between all valve body TE plates that each phase Optical Fiber Interface Board and this phase control.1 valve control cabinet is by all TE plate communications with altogether 2 unit.
Local industrial computer, by Ethernet and master control cabinet master control borad, record ripple plate and valve control cabinet communication board communication, completes definite value parameter and operational mode issues, and unit state shows, the transmission etc. of recorder data (voltage x current, on off state and trigger message).
According to specific example embodiments, invention has been described herein.Carrying out suitable replacement without departing from the scope of the invention or amendment will be apparent to one skilled in the art.Exemplary embodiment is merely illustrative, rather than the restriction to the scope of the present invention, and the scope of the present invention be defined by the appended.
Claims (1)
1. a packaged type fast solid-state power change-over switch device, including locomotive, fast solid-state power change-over switch container, an electric secondary device, its feature in: described fast solid-state power change-over switch container includes fast solid-state power change-over switch equipment, distribution box and auxiliary equipment；Described fast solid-state power change-over switch equipment includes two inlet wire valve body cabinets, two wire-outgoing breaker cabinets, switch board, ac panel, direct current cabinets；Described auxiliary equipment includes emergency light, convection-type electric heater, air-conditioning, smoke detector, temperature controller, air inlet Rainproof louver window, air outlet Rainproof louver window；A described electric secondary device includes connecting distribution in cable, security protection photographic head case, valve triggers optical fiber, communication cable；
Described breaker cabinet includes threephase potential transformer, current transformer, handcart-type high-speed switch, voltage or electric current dial gauge, charged monitor, condensation controller, high-speed switch controller；
Described valve body cabinet includes current transformer, handcart-type valve body dolly, voltage or electric current dial gauge, condensation controller, charged monitor, sending can power supply, dynamic static voltage sharing, dynamic voltage balancing electric capacity；
Described switch board includes Work in Place station, master control cabinet, valve control cabinet, local industrial computer, protocol converter, control unit and regulates board, power supply board；
Each power distribution equipment in described fast solid-state power change-over switch container and container is bolted on locomotive base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254224.4A CN105762924A (en) | 2016-04-23 | 2016-04-23 | Moveable rapid solid state power supply change-over switch apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254224.4A CN105762924A (en) | 2016-04-23 | 2016-04-23 | Moveable rapid solid state power supply change-over switch apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105762924A true CN105762924A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254224.4A Pending CN105762924A (en) | 2016-04-23 | 2016-04-23 | Moveable rapid solid state power supply change-over switch apparatus |
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| Country | Link |
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| CN (1) | CN105762924A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346939A (en) * | 2018-11-30 | 2019-02-15 | 清华四川能源互联网研究院 | A kind of switching control box arrangement |
| CN111033140A (en) * | 2017-08-17 | 2020-04-17 | 三菱电机株式会社 | Air conditioner |
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| CN203995881U (en) * | 2014-07-21 | 2014-12-10 | 国家电网公司 | A kind of supply vehicle |
| CN105071276A (en) * | 2015-08-26 | 2015-11-18 | 嘉兴市正辉电力设备有限公司 | Medium-voltage looped-network vacuum circuit breaker cabinet |
| CN205565883U (en) * | 2016-04-23 | 2016-09-07 | 国家电网公司 | Quick solid -state power change -over switch device of movable |
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2016
- 2016-04-23 CN CN201610254224.4A patent/CN105762924A/en active Pending
Patent Citations (3)
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| CN203995881U (en) * | 2014-07-21 | 2014-12-10 | 国家电网公司 | A kind of supply vehicle |
| CN105071276A (en) * | 2015-08-26 | 2015-11-18 | 嘉兴市正辉电力设备有限公司 | Medium-voltage looped-network vacuum circuit breaker cabinet |
| CN205565883U (en) * | 2016-04-23 | 2016-09-07 | 国家电网公司 | Quick solid -state power change -over switch device of movable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111033140A (en) * | 2017-08-17 | 2020-04-17 | 三菱电机株式会社 | Air conditioner |
| CN109346939A (en) * | 2018-11-30 | 2019-02-15 | 清华四川能源互联网研究院 | A kind of switching control box arrangement |
| CN109346939B (en) * | 2018-11-30 | 2024-01-23 | 清华四川能源互联网研究院 | Change-over switch cabinet device |
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Application publication date: 20160713 |
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