CN205565728U - Intelligent power distribution platform district - Google Patents
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Abstract
The utility model provides an intelligent power distribution platform district, the power distribution station contains: main module, high -voltage switch module and the secondary distribution case module of becoming, main become the module the high -voltage switch module with secondary distribution case module setting is between transmission line and distribution district, wherein the high -voltage switch module with transmission line links to each other for when break down in distribution district, cut -off distribution district with transmission line's connection, main become the module with the high -voltage switch module links to each other, is used for adjusting the voltage of transmission line output, secondary distribution case module with the main module that becomes links to each other, is used for the monitoring the real -time status in distribution district, and according to real -time status adjustment distribution district polyphase circuit's load.
Description
Technical field
The utility model relates to the controller switching equipment in field of power distribution, particularly to a kind of integration dispensing formula all insulation intelligent power distribution station district.
Background technology
During the distribution network transform of town and country, Large scale construction and transformation power distribution station so that power distribution station power supply capacity and power supply quality are significantly improved；Along with the construction energetically in intelligent power distribution station district, the intelligent level of power distribution station is promoted further, meets client's new demand to power supply capacity, power supply quality and electric service；Along with carrying out of power distribution network Standardization Construction work, for being effectively improved interchangeability and the versatility of power distribution station equipment, the construction to power distribution network and power distribution station proposes new requirement, and new technology will effectively promote the new development of power distribution station with the application of new technology.
Power distribution station construction is a comprehensive complex engineering, and present situation is built and run in current power distribution station, and there are the following problems: on-site construction processes is many, and the construction period is long；In-site installation equipment is many, equipment association is more causes work on the spot amount big；Construction link easily causes waste of material phenomenon；Various places mounting technique specification difference causes platform district to build and functional configuration difference, and old district's equipment installation is unordered, wiring is mixed and disorderly, visual impression is poor；Power supply reliability is low, the outdoor rear corrosion of equipment, aging and easy is difficult to solve by problems such as external force destructions, and the exposed charged position of high-low pressure is many, and fuse switch and fault isolating switch rate are higher, and power distribution station lacks monitoring even without monitoring；Operation maintenance is uneconomical, and operation maintenance time length, difficulty are big, and equipment replacement is inconvenient；Floor space is big, and construction cost is high.The high-voltage switch gear that particularly power distribution station is used, typically uses separate type, and volume is big, and floor space is big, and electrical insulation properties is the most unreliable, makes the raising of power supply reliability of having pulled.
Therefore, employ new technology and new technology develops a kind of integration dispensing formula all insulation power distribution station high pressure combined electric switch, while switch electrical insulation properties and power supply reliability are greatly improved, reduce volume of switch, it is standardized design, batch production is processed, modularized production, simplify installation procedure, save floor space, realize the interchangeability of power distribution station, versatility and autgmentability, improve power distribution station O&M level, promote the intelligent level of power distribution station, improve power distribution station three-phase equilibrium rate, thus distribution network reliability and rate of qualified voltage are effectively ensured.Application is furnished with the standardization of high-voltage combined electrical apparatus switch, dispensing formula, the power distribution station of intelligent feature, can reduce construction installation cost, reduces comprehensive line loss per unit, improves the power supply capacity of power distribution station, it is achieved the recycling of standard module.
Utility model content
The purpose of this utility model is the problems and shortcomings overcoming the matched high-voltage switch gear used in the construction of existing power distribution station to exist, it is provided that a kind of integration dispensing formula all insulation intelligent power distribution station district.By using the New Technologies such as reliability demonstration, standardized designs, batch production processing, assembled construction, effectively promote construction efficiency and the construction specification of power distribution station, thus ensure distribution network reliability and rate of qualified voltage.
For reaching above-mentioned purpose, the utility model specifically provides a kind of intelligent power distribution station district, and described power distribution station comprises: main transformer module, high voltage switching module and secondary power distribution tank module；Described main transformer module, described high voltage switching module and described secondary power distribution tank module are arranged between transmission line of electricity and distribution district；Wherein said high voltage switching module is connected with described transmission line of electricity, for when breaking down in distribution district, cut-offs the connection in described distribution district and described transmission line of electricity；Described main transformer module is connected with described high voltage switching module, for regulating the voltage of described transmission line of electricity output；Described secondary power distribution tank module is connected with described main transformer module, for monitoring the real-time status in described distribution district, and adjusts the load of distribution district polyphase circuit according to described real-time status.
In above-mentioned intelligent power distribution station district, it is preferred that described main transformer module comprises power transformer, Elecrical connector and protection network；Described power transformer is connected with described high voltage switching module and described secondary power distribution tank module respectively by Elecrical connector；Described protection network is used for protecting described power transformer and described Elecrical connector.
In above-mentioned intelligent power distribution station district, it is preferred that described high voltage switching module comprises: switch-fuse combination, high-voltage arrester, skeleton and shell；Described switch-fuse combination and described high-voltage arrester are fixed on described enclosure by skeleton；Wherein, transmission line of electricity is protected by described switch-fuse combination for triggering on-load switch by fuse；Described high-voltage arrester is used for protecting described intelligent power distribution station district from lightning damage.
In above-mentioned intelligent power distribution station district, it is preferred that described switch-fuse combination comprises on-load switch, fuse, earthed switch and operating mechanism；Described on-load switch is for closing or cut-off the connection in described distribution district and described transmission line of electricity；Described operating mechanism is for controlling closing or cut-offfing of described on-load switch；Described fuse cut-offs the connection in described distribution district and described transmission line of electricity for controlling described on-load switch when breaking down in distribution district by described operating mechanism；Described earthed switch links with described on-load switch, when described on-load switch closes, described earthed switch locking, when described earthed switch closes, described on-load switch locking, cut-offs the connection in described distribution district and described transmission line of electricity for described power distribution station when overhauling.
In above-mentioned intelligent power distribution station district, it is preferred that described switch-fuse combination also comprises pole, described pole is for sealing the conducting element between vacuum interrupter, fuse base and contact, static contact of grounding switch and three.
In above-mentioned intelligent power distribution station district, it is preferred that described secondary power distribution tank module comprises: line unit, measurement meter unit, intelligent comprehensive control unit, reactive compensation unit and shell；Described measurement meter unit is used for gathering and showing the energy data of the real-time status of distribution district electric energy；Described intelligent comprehensive control unit is for monitoring the energy data of described secondary power distribution tank module real-time status and exporting control instruction according to described energy data；The existing unit of described turnover is for adjusting electric energy input according to described control instruction or adjusting overload protection value according to described energy data；Described reactive compensation unit is for carrying out reactive-load compensation according to described control instruction to distribution district circuit.
In above-mentioned intelligent power distribution station district, it is preferred that described line unit is included into wiretap and outlet switch；Described service entrance switch is provided with breaker, and described breaker is for controlling closing or cut-offfing of described service entrance switch according to the control instruction of described intelligent comprehensive control unit output；Described outlet switch is provided with RCD, and described RCD is for adjusting overload protection value according to described energy data.
In above-mentioned intelligent power distribution station district, it is preferred that described intelligent comprehensive control unit comprises monitoring means and administrative unit；Wherein said monitoring means is made up of one or more of monitor: user power utilization information monitor, distribution transforming metering summary table monitor, RCD monitor, state monitor, communication unit and environmental detector, for monitoring the energy data of described secondary power distribution tank module real-time status；Described administrative unit comprises Power quality management device, for the Monitoring Data output control instruction obtained according to described monitoring means.
In above-mentioned intelligent power distribution station district, it is preferred that described reactive compensation unit comprises: capacitor compensator, described capacitor compensator is for carrying out reactive-load compensation according to described control instruction to distribution district circuit.
In above-mentioned intelligent power distribution station district, it is preferred that described reactive compensation unit also comprises wave filter.
Advantageous Effects of the present utility model is:
1, reduce integration dispensing formula all insulation power distribution station high-voltage switch gear volume, reduce floor space, reduce user's land used cost；
2, by high-voltage switch gear and integration dispensing formula all insulation power distribution station combine together, standardization and General design, improve switch interchangeability, it is simple to manufacturer design, produce, after sale, standardization and General design, improve switch interchangeability；
3, the installation of integration, it is simple to transport, it is simple to safeguard；
4, epoxy resin seal breaker is in the utilization of integration dispensing formula all insulation power distribution station, greatly improves power distribution station electrical insulation properties, it is thus possible to power supply reliability is greatly improved, for the construction of intelligent power network, it is provided that solid strong foundation stone.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, is not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation in intelligent power distribution station district provided by the utility model；
Fig. 2 is the principle schematic in intelligent power distribution station district provided by the utility model.
Detailed description of the invention
For making the purpose of the utility model embodiment, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.Here, schematic description and description of the present utility model is used for explaining the utility model, but it is not intended as restriction of the present utility model.
Refer to shown in Fig. 1 to Fig. 2, the utility model specifically provides a kind of intelligent power distribution station district, and described power distribution station comprises: main transformer module 1, high voltage switching module 2 and secondary power distribution tank module 3；Described main transformer module 1, described high voltage switching module 2 and described secondary power distribution tank module 3 are arranged between transmission line of electricity and distribution district；Wherein said high voltage switching module 2 is connected with described transmission line of electricity, for when breaking down in distribution district, cut-offs the connection in described distribution district and described transmission line of electricity；Described main transformer module 1 is connected with described high voltage switching module 2, for regulating the voltage of described transmission line of electricity output；Described secondary power distribution tank module 3 is connected with described main transformer module 1, for monitoring the real-time status in described distribution district, and adjusts the load of distribution district polyphase circuit according to described real-time status.
The most also can comprise pedestal 4 and top cover 5, described pedestal 4 is used for disposing above-mentioned main transformer module 1, high voltage switching module 2 and secondary power distribution tank module 3, described top cover 5 to be covered on outside described intelligent power distribution station district, is used for protecting described intelligent power distribution station district.
In the above-described embodiments, intelligent power distribution station district is made up of distribution transformer i.e. main transformer module (high-pressure side does not exist exposed charged, all insulation, all-sealed structure), switching device i.e. high voltage switching module and the i.e. secondary power distribution tank module of standard summary intelligent distribution box.Main transformer module is made up of transformer, Elecrical connector, protection network etc.；High voltage switching module is made up of switch-fuse combination, arrester, frame structure etc.；Standard summary intelligent distribution box is made up of 400V line switch, reactive power compensator, metering device, phase-change switch, Intelligent platform zone terminal etc.；Intelligent platform zone terminal is by monitoring low-pressure side electric current, voltage in real time, according to setting valve, by the common benefit of Capacitor banks or a point benefit are realized the adjustment to platform district power factor；According to phase-change switch controls to be realized by the method directly changing payload the balance of low-voltage three-phase load；By the real-time status of distributed power source, the access to distributed power source forms control.
In the utility model one preferred embodiment, described main transformer module 1 comprises power transformer, Elecrical connector and protection network；Described power transformer is connected with described high voltage switching module and described secondary power distribution tank module respectively by Elecrical connector；Described protection network is used for protecting described power transformer and described Elecrical connector.
In real work, described main transformer module 1 can be by: transformer, Elecrical connector, illumination and safety guide rail etc. are constituted；This transformer Main Function is that 10kV voltage dress is changed to 400v voltage, for reducing manufacturing cost, transformer both can be selected for oil-filled transformer, transformer capacity is 200kVA, because transformer capacity is less, it is preferred to use gravity-flow ventilation, this transformer core selects matter high-magnetodensity directional cold-rolling silicon steel disc, laminated core formula iron core uses the annex that falls outside full bias seam, atresia colligation, channel-section steel formula clamping structure, transformer case and safety guard net etc. thereof all through preservative treatment；
In the utility model one preferred embodiment, described high voltage switching module 2 comprises: switch-fuse combination, high-voltage arrester, skeleton and shell；Described switch-fuse combination and described high-voltage arrester are fixed on described enclosure by skeleton；Wherein, transmission line of electricity is protected by described switch-fuse combination for triggering on-load switch by fuse；Described high-voltage arrester is used for protecting described intelligent power distribution station district from lightning damage.
In the above-described embodiments, described switch-fuse combination comprises on-load switch, fuse, earthed switch and operating mechanism；Described on-load switch is for closing or cut-off the connection in described distribution district and described transmission line of electricity；Described operating mechanism is for controlling closing or cut-offfing of described on-load switch；Described fuse cut-offs the connection in described distribution district and described transmission line of electricity for controlling described on-load switch when breaking down in distribution district by described operating mechanism；Described earthed switch links with described on-load switch, when described on-load switch closes, described earthed switch locking, when described earthed switch closes, described on-load switch locking, cut-offs the connection in described distribution district and described transmission line of electricity for described power distribution station when overhauling.Described switch-fuse combination also comprises pole type, and described on-load switch, described fuse, described earthed switch and described operating mechanism are sealed in pole die cavity.
In real work, described high voltage switching module 2 can be made up of switch-fuse combination, rear type high-voltage arrester, frame structure and the shell etc. inserted, this module uses fuse unit form, high-voltage and current-limitation fuse is utilized to trigger on-load switch action, avoid phase-deficient operation, switch-fuse combination can comprise on-load switch, fuse, auxiliary earth switch, operating mechanism etc., and wherein, on-load switch uses vacuum interrupter arc extinguishing；Meanwhile, vacuum interrupter, fuse base and contact, static contact of grounding switch and the conducting element being connected with said elements pour into a mould one through epoxy resin by APG technique, form pole form, and pole outer surface spray zinc processes.
With this, by using the high voltage switching module of pole form compared with the high-voltage switch gear of other form, volume decreases a lot, has saved the floor space of this equipment；Using the high voltage switching module of pole type, the parts such as insulated tension pole are sealed in pole die cavity simultaneously, and this die cavity internal cause seals, and has completely cut off extraneous air, thus has stopped the generation of condensation, improves power supply reliability；And have employed pole type high voltage switching module, because of pole trypsin method zinc layers so that outside with the earth be connected, equipment run time, when people touches this pole, be unlikely to occur accident so that the more security of this high voltage switching module.
Further, in the above-described embodiments, described on-load switch is also provided with spring mechanism, this mechanism can realize the breaking-closing operating of on-load switch, can electric switch-on also can closing by hand, when use operation handle, insert spring mechanism corresponding aperture position time, operation handle can be shaken, complete closing operation；Or, switching on power, press switch knob, motor rotation, until having closed a floodgate, after having closed a floodgate, automatically cut-offfing power supply, motor stops operating；When needs separating brake, opening button can be pressed, complete manual brake separating, it is possible to complete electronic separating brake through breaking coil；When faulty electric current, by the fusing of fuse, make fuse ram eject, trigger on-load switch and carry out separating brake action, thereby protect the safety of main transformer and other high pressure primary equipments.
In the utility model one preferred embodiment, described high voltage switching module is also equiped with chain, and this is chain arranges between on-load switch and earthed switch, when on-load switch is in the state of closing, by chain earthed switch locking, it is impossible to operation；When earthed switch is in contact of earth state, on-load switch locking can not carry out closing operation, it is ensured that safety during interruption maintenance, prevents the harm that maloperation causes；In real work, gate, high-voltage switch gear room, transformer chamber gate and secondary power distribution case gate are equipped with electromagnetic lock, when primary side has voltage, all gates are all forbidden opening, only when primary side loses voltage, electromagnetic lock unlocks, and the gate of above-mentioned modules just can be opened, it is ensured that equipment and the safety of fortune inspection personnel.
In the utility model one preferred embodiment, described secondary power distribution tank module 3 comprises: line unit, measurement meter unit, intelligent comprehensive control unit, reactive compensation unit and shell；Described measurement meter unit is used for gathering and showing the energy data of the real-time status of distribution district electric energy；Described intelligent comprehensive control unit is for monitoring the energy data of described secondary power distribution tank module real-time status and exporting control instruction according to described energy data；The existing unit of described turnover is for adjusting electric energy input according to described control instruction or adjusting overload protection value according to described energy data；Described reactive compensation unit is for carrying out reactive-load compensation according to described control instruction to distribution district circuit.Described secondary power distribution tank module has the functions such as distribution transformer monitoring, electric energy metrical, sharing of load, reactive-load compensation, aftercurrent action protecting, tranformer protection, remote transmission data and intelligentized control method.
In the above-described embodiments, described line unit is included into wiretap and outlet switch；Described service entrance switch is provided with breaker, and described breaker is for controlling closing or cut-offfing of described service entrance switch according to the control instruction of described intelligent comprehensive control unit output；Described outlet switch is provided with RCD, and described RCD is for adjusting overload protection value according to described energy data；Wherein, inlet wire and transmission line circuit can use hard busbar or cable to connect.
In real work; service entrance switch can use low-pressure plastic shell circuit breaker to connect and disjunction load circuit; its function is equivalent to electrical appliance part or whole function summations such as knife switch, overcurrent relay, electrothermal relay, is protection electrical equipment important in low-voltage network；Switch setting current is according to 1.2～1.5 times of selections of distribution transforming rated current, service entrance switch configuration is with the breaker of motor-operating mechanism, the break-make of service entrance switch can be automatically controlled by intelligent comprehensive control unit, it is applicable to exchange 50HZ, rated operational voltage 690V and following, infrequently changes in the circuit of rated operational current to 800A and motor infrequently starts and is used；Described service entrance switch is mainly used to distribute electric energy and protection circuit and power-supply device from the damage of the faults such as overload, short circuit, under-voltage, also can have isolation features as the infrequently starting of motor and overload, short circuit, low-voltage protection simultaneously.Outlet switch configuration RCD; there is communication function and short circuit breaking capacity; overload protection value can be adjusted according to transformer capacity or actual load, possess automatic reclosing function, residual operating current and sudden change residual action current adjustable in the range of corresponding；It is applicable to exchange 50Hz; nominal insulation voltage 690V; rated voltage 400V; rated current is in three-phase and four-line neutral-point solid ground (TT) distribution network of 400A; it is used for providing electric leakage mediate contact protection; also can be used to prevent because of apparatus insulated damage, produce earth-fault current and the fire hazard that causes, and can be used to distribute electric energy and protection circuit and the overload of power-supply device and short circuit；The overvoltage of circuit, phase shortage, mains side line off zero had defencive function.
In the above-described embodiments, the main contacts of breaker is by manually operated or electric switch-on, and after main contacts Guan Bi, main contacts is locked on closing position by free tripping mechanism, the coil of overcurrent trip and the thermal element of thermal trip are connected with main circuit, the coil of under-voltage release and power sources in parallel.When circuit is short-circuited or during heavy overload, the armature adhesive of overcurrent trip, make free tripping mechanism action, main contacts disconnects main circuit.When circuit overloads, the thermal element heating of thermal trip makes to bend on bimetal leaf, promotes free tripping mechanism action, and main contacts disconnects main circuit；When circuit under-voltage, the armature release of under-voltage release, also make free tripping mechanism action, main contacts disconnects main circuit；When pressing shunted exciter tripping button, shunt release armature adhesive, make free tripping mechanism action, main contacts disconnects main circuit.
By above-mentioned service entrance switch and outlet switch so that described secondary power distribution tank module integrates defencive function and the automatic reclosings such as overload, short circuit, residual current (electric leakage), phase shortage, under-voltage, overvoltage, mains side line off zero；Use A/D conversion digital signal treatment technology and CPU intelligent control technology simultaneously; detecting and tracking circuit residual current in real time; residual current operating value gear is automatically determined according to setting; ensure operational percentage and the reliability of Aftercurrent protecting equipment; furthermore, detection three-phase load operating current in real time, overlond trip current setting arbitrarily sets in cage electric current; after setting the most influenced by ambient temperature, it is ensured that overload protection is sensitive reliably.
In the utility model one preferred embodiment, described intelligent comprehensive control unit comprises monitoring means and administrative unit；Wherein said monitoring means is made up of one or more of monitor: user power utilization information monitor, distribution transforming metering summary table monitor, RCD monitor, state monitor, communication unit and environmental detector, for monitoring the energy data of described secondary power distribution tank module real-time status；Described administrative unit comprises Power quality management device, for the Monitoring Data output control instruction obtained according to described monitoring means.
In the above-described embodiments, described intelligent comprehensive control unit has distributing transformer monitoring and defencive function, and Monitoring Data main Types has:
A ac analog: voltage, electric current, active power, reactive power, power factor etc.
B electric energy data: total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum demand etc.；
C electric energy statistics: rate of qualified voltage, tri-phase unbalance factor, voltage fluctuation and flicker, temporarily or transient overvoltage, the statistics such as 1～32 order harmonic components, relative harmonic content and resultant distortion rate, frequency departure, load factor and power supply continuity of voltage dip/interruptions/temporarily liter, voltage (electric current)；
D possesses overvoltage protection, overcurrent protection, overload protection, under-voltage protection, overtemperature protection, harmonic wave transfinite the multiple protection/alarm functions such as protection, and completes record simultaneously, store and report.
E backstage report capability: relevant data can be analyzed, store and parameter is arranged, and automatically production report, upload.
Wherein, in above-mentioned intelligent comprehensive control module, the function of each monitor is as follows:
User power utilization information monitor, in order to realize the acquiring electric energy information of power distribution station, including electric energy meter data acquisition, electric power meter operating mode, power quality monitoring, and power load and the monitoring of electric flux, carry out related data processing and store, manage and transmit.Distribution transforming metering summary table monitor, in order to realize the integrated management of public power distribution station intelligent electric energy meter, examines the validity that it measure, to the abnormal operating condition analysis of intelligent electric energy meter, judges, alerts and completes relevant information and transmit.RCD monitor, in order to realize RCD running status and the monitoring of residual current numerical value, has record, storage and upload function.State monitor, in order to real-time monitor station district outlet switch state, capacitor switching state and intelligent comprehensive control module operation conditions etc., possesses abnormal alarm function.Power quality management device, in order to support dynamic passive compensation and active power filtering mixed mode, power distribution station reactive power is carried out quick dynamic compensation, the harmonic wave all changed frequency, size suppresses, can each harmonic of tracing compensation Rapid Variable Design load, and Ke Duitai district load three-phase imbalance problem administers.Communication unit, in order to provide the access waies such as wireless connection, completes bidirectional data interaction with operation maintenance personnel and user.Environmental detector, is monitored in order to the epidemic disaster information become distributed board outdoor, power distribution station and case in real time by temperature and relative humidity.
The energy information obtained by the above-mentioned monitor of clearer performance, also can arrange display in real work, in order to realize man-machine interaction, by this display with by key control system, human-computer dialogue can be made convenient and simple for operation；May also provide abundant lamplight pointing information further, make transformer platform operation information represent the most directly perceived.
In the utility model one preferred embodiment, described measurement meter unit can be selected for intelligent multifunction electron watt-hour meter, matches precision 0.2s level, has communication function；This measurement meter unit is provided with current transformer and metering transformer essence; this current transformer uses poured with epoxy resin, and during work, big electric current is become the small area analysis that voltage is relatively low by this current transformer; supply instrument and protection device use, and instrument and protection device are separated with high-tension circuit；This metering transformer precision is 0.5s level, and measuring transformer precision is 0.5 grade, secondary rated current 5A, and rated output capacity: 10VA, resisting temperature changes, do not chap, the life-span is more than 15 years, have taked waterproof measure at binding post.
In the above-described embodiments, described measurement meter unit is additionally provided with display unit and monitoring means, and described display unit is in order to show total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum demand etc.；Described monitoring means in order to monitor parameters of electric energy meter change, the time is overproof, fault message, electric energy meter indication decline, electric flux is overproof, fly away, stop status informations such as walking；In real work, described measurement meter unit external-open is closed the door also can install lead sealing and locked, to have preventing fraudulent use of electricity function additional.
In the utility model one preferred embodiment, described reactive compensation unit comprises: capacitor compensator and wave filter, and described capacitor compensator is for carrying out reactive-load compensation according to described control instruction to distribution district circuit.Its median filter can be selected according to actual conditions, when there is filtering requirements power distribution station, can use above-mentioned wave filter；By above-mentioned capacitor compensator, make reactive compensation unit provided by the utility model can realize the mixed compensation pattern that three-phase total compensation, phase splitting compensation or three-phase total compensation combine with phase splitting compensation, mend capacitor the most altogether and use angle scheme, benefit capacitor is divided to use star-star connection, benefit is applicable to balanced load altogether, point benefit is applicable to asymmetric or impact load, the platform district complicated to loading condition, preferably uses mixed compensation pattern.
In the utility model one preferred embodiment, self-healing low-voltage power capacitor can use single-layer polypropylene film as medium, surface has been deposited with one layer of thin metal as conductive electrode, and when applying too high voltage, polypropylene screen electricity weakness is breakdown, breakdown point impedance substantially reduces, the current density flow through is increased dramatically, and makes metallization coating produce high heat, and the metallic conductor around breakdown point evaporates rapidly loss, forming coat of metal clear area, breakdown point recovers insulation automatically.
Advantageous Effects of the present utility model is:
1, reduce integration dispensing formula all insulation power distribution station high-voltage switch gear volume, reduce floor space, reduce user's land used cost；
2, by high-voltage switch gear and integration dispensing formula all insulation power distribution station combine together, standardization and General design, improve switch interchangeability, it is simple to manufacturer design, produce, after sale, standardization and General design, improve switch interchangeability；
3, the installation of integration, it is simple to transport, it is simple to safeguard；
4, epoxy resin seal breaker is in the utilization of integration dispensing formula all insulation power distribution station, greatly improves power distribution station electrical insulation properties, it is thus possible to power supply reliability is greatly improved, for the construction of intelligent power network, it is provided that solid strong foundation stone.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (10)
1. an intelligent power distribution station district, it is characterised in that described power distribution station comprises: main transformer module, high voltage switching module and secondary power distribution tank module；
Described main transformer module, described high voltage switching module and described secondary power distribution tank module are arranged between transmission line of electricity and distribution district；
Wherein said high voltage switching module is connected with described transmission line of electricity, for when breaking down in distribution district, cut-offs the connection in described distribution district and described transmission line of electricity；
Described main transformer module is connected with described high voltage switching module, for regulating the voltage of described transmission line of electricity output；
Described secondary power distribution tank module is connected with described main transformer module, for monitoring the real-time status in described distribution district, and adjusts the load of distribution district polyphase circuit according to described real-time status.
Intelligent power distribution station district the most according to claim 1, it is characterised in that described main transformer module comprises power transformer, Elecrical connector and protection network；Described power transformer is connected with described high voltage switching module and described secondary power distribution tank module respectively by Elecrical connector；Described protection network is used for protecting described power transformer and described Elecrical connector.
Intelligent power distribution station district the most according to claim 1, it is characterised in that described high voltage switching module comprises: switch-fuse combination, high-voltage arrester, skeleton and shell；
Described switch-fuse combination and described high-voltage arrester are fixed on described enclosure by skeleton；
Wherein, transmission line of electricity is protected by described switch-fuse combination for triggering on-load switch by fuse；
Described high-voltage arrester is used for protecting described intelligent power distribution station district from lightning damage.
Intelligent power distribution station district the most according to claim 3, it is characterised in that described switch-fuse combination comprises on-load switch, fuse, earthed switch and operating mechanism；
Described on-load switch is for closing or cut-off the connection in described distribution district and described transmission line of electricity；
Described operating mechanism is for controlling closing or cut-offfing of described on-load switch；
Described fuse cut-offs the connection in described distribution district and described transmission line of electricity for controlling described on-load switch when breaking down in distribution district by described operating mechanism；
Described earthed switch links with described on-load switch, when described on-load switch closes, described earthed switch locking, when described earthed switch closes, described on-load switch locking, cut-offs the connection in described distribution district and described transmission line of electricity for described power distribution station when overhauling.
Intelligent power distribution station district the most according to claim 4, it is characterized in that, described switch-fuse combination also comprises pole, and described pole is for sealing the conducting element between vacuum interrupter, fuse base and contact, static contact of grounding switch and three.
Intelligent power distribution station district the most according to claim 1, it is characterised in that described secondary power distribution tank module comprises: line unit, measurement meter unit, intelligent comprehensive control unit, reactive compensation unit and shell；
Described measurement meter unit is used for gathering and showing the energy data of the real-time status of distribution district electric energy；
Described intelligent comprehensive control unit is for monitoring the energy data of described secondary power distribution tank module real-time status and exporting control instruction according to described energy data；
Described line unit is for adjusting electric energy input according to described control instruction or adjusting overload protection value according to described energy data；
Described reactive compensation unit is for carrying out reactive-load compensation according to described control instruction to distribution district circuit.
Intelligent power distribution station district the most according to claim 6, it is characterised in that described line unit is included into wiretap and outlet switch；
Described service entrance switch is provided with breaker, and described breaker is for controlling closing or cut-offfing of described service entrance switch according to the control instruction of described intelligent comprehensive control unit output；
Described outlet switch is provided with RCD, and described RCD is for adjusting overload protection value according to described energy data.
Intelligent power distribution station district the most according to claim 6, it is characterised in that described intelligent comprehensive control unit comprises monitoring means and administrative unit；
Wherein said monitoring means is made up of one or more of monitor: user power utilization information monitor, distribution transforming metering summary table monitor, RCD monitor, state monitor, communication unit and environmental detector, for monitoring the energy data of described secondary power distribution tank module real-time status；
Described administrative unit comprises Power quality management device, for the Monitoring Data output control instruction obtained according to described monitoring means.
Intelligent power distribution station district the most according to claim 6, it is characterised in that described reactive compensation unit comprises: capacitor compensator, described capacitor compensator is for carrying out reactive-load compensation according to described control instruction to distribution district circuit.
Intelligent power distribution station district the most according to claim 9, it is characterised in that described reactive compensation unit also comprises wave filter.
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| CN201521089924.XU CN205565728U (en) | 2015-12-24 | 2015-12-24 | Intelligent power distribution platform district |
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| CN201521089924.XU CN205565728U (en) | 2015-12-24 | 2015-12-24 | Intelligent power distribution platform district |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921165A (en) * | 2015-12-24 | 2017-07-04 | 国家电网公司 | A kind of intelligent power distribution station area |
| CN108736361A (en) * | 2017-04-18 | 2018-11-02 | 北京南瑞电研华源电力技术有限公司 | Becoming platform on the closed integrated column of one kind |
| CN110415590A (en) * | 2019-08-12 | 2019-11-05 | 西安亚成电子设备科技有限公司 | A kind of intelligence power supply and distribution training platform and its control method |
-
2015
- 2015-12-24 CN CN201521089924.XU patent/CN205565728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921165A (en) * | 2015-12-24 | 2017-07-04 | 国家电网公司 | A kind of intelligent power distribution station area |
| CN108736361A (en) * | 2017-04-18 | 2018-11-02 | 北京南瑞电研华源电力技术有限公司 | Becoming platform on the closed integrated column of one kind |
| CN110415590A (en) * | 2019-08-12 | 2019-11-05 | 西安亚成电子设备科技有限公司 | A kind of intelligence power supply and distribution training platform and its control method |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: State Grid Beijing Electric Power Company Patentee after: State Grid Corporation of China Co-patentee after: Nanjing Nari Co., Ltd. Co-patentee after: Beijing NARI yanhuayuan Power Technology Co. Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Beijing Electric Power Company Patentee before: State Grid Corporation of China Co-patentee before: Nanjing Nari Co., Ltd. Co-patentee before: Dianyan Huayuan Power Tech. Co., Ltd., Beijing |
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| CP03 | Change of name, title or address |