CN106921165A - A kind of intelligent power distribution station area - Google Patents
A kind of intelligent power distribution station area Download PDFInfo
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- CN106921165A CN106921165A CN201510983213.5A CN201510983213A CN106921165A CN 106921165 A CN106921165 A CN 106921165A CN 201510983213 A CN201510983213 A CN 201510983213A CN 106921165 A CN106921165 A CN 106921165A
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- power distribution
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a kind of intelligent power distribution station area, the power distribution station includes：Main transformer module, high voltage switching module and secondary power distribution tank module；The main transformer module, the high voltage switching module and the secondary power distribution tank module are arranged between transmission line of electricity and distribution area；Wherein described high voltage switching module is connected with the transmission line of electricity, for when distribution area breaks down, cut-offfing the connection in the distribution area and the transmission line of electricity；The main transformer module is connected with the high voltage switching module, the voltage for adjusting the power delivery circuit output；The secondary power distribution tank module is connected with the main transformer module, the real-time status for monitoring the distribution area, and the load of distribution area polyphase circuit is adjusted according to the real-time status.
Description
Technical field
The present invention relates to the controller switching equipment in field of power distribution, more particularly to a kind of integrated dispatching formula all insulation intelligent power distribution
Platform area.
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
It is significantly improved with power supply quality；With the construction energetically in intelligent power distribution station area, the intelligent level of power distribution station is obtained
To further lifting, new demand of the client to power supply capacity, power supply quality and electric service is met；With power distribution network
The development of Standardization Construction work, to effectively improve the interchangeability and versatility of power distribution station equipment, to power distribution network and matches somebody with somebody
The construction of radio area proposes new requirement, and new technology will effectively promote the new hair of power distribution station with the application of new technology
Exhibition.
Power distribution station construction is a comprehensive complex engineering, and current power distribution station is built and operation present situation is in the presence of as follows
Problem：On-site construction processes are more, and the construction period is long；In-site installation equipment is more, equipment association is more causes work on the spot
Amount is big；Construction link easily causes waste of material phenomenon；Various regions mounting technique specification difference causes the construction of platform area and function to match somebody with somebody
Put difference, old area's equipment installs that unordered, wiring is mixed and disorderly, visual impression is poor；Power supply reliability is low, after equipment is outdoor
Corrosion, it is aging and it is easy be difficult to solve the problems such as destroyed by external force, the exposed powered position of high-low pressure is more, fuse switch
Higher with fault isolating switch rate, power distribution station lacks monitoring even without monitoring；Operation maintenance is uneconomical, operation dimension
The shield time is long, difficulty big, and equipment replacement is inconvenient；Floor space is big, and construction cost is high.Particularly power distribution station is used
The high-voltage switch gear for arriving, typically using separate type, volume is big, and floor space is big, and electrical insulation properties are very unreliable, system
The raising of power supply reliability of having pulled.
Therefore, to employ new technology and develop a kind of integrated dispatching formula all insulation power distribution station high pressure combination electricity with new technology
Air cock, by being greatly improved while switch electrical insulation properties and power supply reliability, reduces volume of switch, carries out
Standardized designs, batch production processing, modularized production, simplify installation procedure, save floor space, realize allocated radio
The interchangeability in area, versatility and autgmentability, improve power distribution station O＆M level, lift the intelligent level of power distribution station,
Power distribution station three-phase equilibrium rate is improved, so as to distribution network reliability and rate of qualified voltage is effectively ensured.Using being furnished with
The standardization of high-voltage combined electrical apparatus switch, dispatching formula, the power distribution station of intelligent feature, can reduce construction installation cost,
Comprehensive line loss per unit is reduced, the power supply capacity of power distribution station is improved, the recycling of standard module is realized.
The content of the invention
It is an object of the invention to overcome what the matched high-voltage switch gear used in existing power distribution station construction was present
A kind of problems and shortcomings, there is provided integrated dispatching formula all insulation intelligent power distribution station area.Proved by using reliability, marked
The New Technologies such as standardization design, batch production processing, assembled construction, the effectively construction efficiency of lifting power distribution station
And construction specification, so as to ensure distribution network reliability and rate of qualified voltage.
It is that, up to above-mentioned purpose, the present invention specifically provides a kind of intelligent power distribution station area, and the power distribution station includes：Main transformer mould
Block, high voltage switching module and secondary power distribution tank module；The main transformer module, the high voltage switching module and described secondary
Distribution tank module is arranged between transmission line of electricity and distribution area；Wherein described high voltage switching module and the transmission line of electricity phase
Even, for when distribution area breaks down, cut-offfing the connection in the distribution area and the transmission line of electricity；The main transformer mould
Block is connected with the high voltage switching module, the voltage for adjusting the power delivery circuit output；The secondary power distribution case mould
Block is connected with the main transformer module, the real-time status for monitoring the distribution area, and is adjusted according to the real-time status
The load of distribution area polyphase circuit.
In above-mentioned intelligent power distribution station area, it is preferred that the main transformer module comprising power transformer, Elecrical connector and
Protection network；The power transformer by Elecrical connector respectively with the high voltage switching module and the secondary power distribution case
Module is connected；The protection network is used to protect the power transformer and the Elecrical connector.
In above-mentioned intelligent power distribution station area, it is preferred that the high voltage switching module is included：On-load switch-fuse group
Close electrical equipment, high-voltage arrester, skeleton and shell；The switch-fuse combination and the high voltage lightning-protection
Device is fixed on the enclosure by skeleton；Wherein, the switch-fuse combination is used for by molten
Disconnected device triggering on-load switch is protected to transmission line of electricity；The high-voltage arrester is used to protect the intelligent power distribution station area
From lightning damage.
In above-mentioned intelligent power distribution station area, it is preferred that the switch-fuse combination comprising on-load switch,
Fuse, earthed switch and operating mechanism；The on-load switch is used to close or cut-off the distribution area and the transmission of electricity
The connection of circuit；The operating mechanism is used to control closing or cut-offfing for the on-load switch；The fuse is used for
The on-load switch is controlled to cut-off the distribution area and the transmission of electricity by the operating mechanism when distribution area breaks down
The connection of circuit；The earthed switch links with the on-load switch, when the on-load switch is closed, the ground connection
Switch locking, when the earthed switch is closed, the on-load switch locking is opened when being overhauled for the power distribution station
The disconnected distribution area and the connection of the transmission line of electricity.
In above-mentioned intelligent power distribution station area, it is preferred that the switch-fuse combination also includes sealing pole
Post, the pole is used to seal vacuum interrupter, fuse base and contact, static contact of grounding switch and three
Between conducting element.
In above-mentioned intelligent power distribution station area, it is preferred that the secondary power distribution tank module is included：Inlet-outlet line unit, metering
Meter unit, intelligent comprehensive control unit, reactive compensation unit and shell；The measurement meter unit is used to gather
And show the energy data of the real-time status of distribution area electric energy；The intelligent comprehensive control unit is described secondary for monitoring
The energy data of distribution tank module real-time status is simultaneously instructed according to the energy data output control；It is described to enter unit occur
For adjusting electric energy input according to the control instruction or adjusting overload protection value according to the energy data；It is described idle
Compensating unit is used to carry out reactive-load compensation to distribution area circuit according to the control instruction.
In above-mentioned intelligent power distribution station area, it is preferred that the inlet-outlet line unit includes service entrance switch and outlet switch；Institute
State service entrance switch and be provided with breaker, the control that the breaker is used to be exported according to the intelligent comprehensive control unit refers to
The order control service entrance switch is closed or cut-off；The outlet switch is provided with RCD, described surplus
Aftercurrent action protector is used to adjust overload protection value according to the energy data.
In above-mentioned intelligent power distribution station area, it is preferred that the intelligent comprehensive control unit is single comprising monitoring unit and management
Unit；Wherein described monitoring unit is made up of one or more of monitor：User power utilization information monitor, distribution transforming meter
Amount summary table monitor, RCD monitor, state monitor, communication unit and environmental detector,
Energy data for monitoring the secondary power distribution tank module real-time status；The administrative unit includes Power quality management
Device, for the Monitoring Data output control instruction obtained according to the monitoring unit.
In above-mentioned intelligent power distribution station area, it is preferred that the reactive compensation unit is included：Capacitor compensator, it is described
Capacitor compensator is used to carry out reactive-load compensation to distribution area circuit according to the control instruction.
In above-mentioned intelligent power distribution station area, it is preferred that the reactive compensation unit also includes wave filter.
Advantageous Effects of the invention are：
1st, integrated dispatching formula all insulation power distribution station high-voltage switch gear volume is reduced, reduces floor space, reduced and use
Family land used cost；
2nd, high-voltage switch gear and integrated dispatching formula all insulation power distribution station are combined together, standardization and generalization set
Meter, improve switch interchangeability, be easy to manufacturer design, production, after sale, standardization and General design, improve
Switch interchangeability；
3rd, integrated installation, is readily transported, and is easy to safeguard；
4th, epoxy resin seal breaker greatly improves allocated radio in the utilization of integrated dispatching formula all insulation power distribution station
Area's electrical insulation properties, are the construction of intelligent power network, there is provided solid to have so as to power supply reliability is greatly improved
The foundation stone of power.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings：
Fig. 1 is the structural representation in intelligent power distribution station area provided by the present invention；
Fig. 2 is the principle schematic in intelligent power distribution station area provided by the present invention.
Specific embodiment
For the purpose, technical scheme and advantage for making the embodiment of the present invention become more apparent, with reference to embodiment and attached
Figure, is described in further details to the present invention.Here, schematic description and description of the invention is used to explain this
Invention, but it is not as a limitation of the invention.
Refer to shown in Fig. 1 to Fig. 2, the present invention specifically provides a kind of intelligent power distribution station area, and the power distribution station includes：
Main transformer module 1, high voltage switching module 2 and secondary power distribution tank module 3；The main transformer module 1, the high-voltage switch gear
Module 2 and the secondary power distribution tank module 3 are arranged between transmission line of electricity and distribution area；Wherein described high-voltage switch gear mould
Block 2 is connected with the transmission line of electricity, for when distribution area breaks down, cut-offfing the distribution area and the power transmission line
The connection on road；The main transformer module 1 is connected with the high voltage switching module 2, for adjusting the power delivery circuit output
Voltage；The secondary power distribution tank module 3 is connected with the main transformer module 1, for monitoring the real-time of the distribution area
State, and the load of distribution area polyphase circuit is adjusted according to the real-time status.
In the above-described embodiments can also include pedestal 4 and top cover 5, the pedestal 4 be used for dispose above-mentioned main transformer module 1,
High voltage switching module 2 and secondary power distribution tank module 3, the top cover 5 are covered on outside the intelligent power distribution station area, are used for
Protect the intelligent power distribution station area.
In the above-described embodiments, intelligent power distribution station area is that (high-pressure side does not exist exposed band to main transformer module by distribution transformer
Electricity, all insulation, all-sealed structure), switching device be that high voltage switching module and standard summary intelligent distribution box are i.e. secondary
Distribution tank module is constituted.Main transformer module is made up of transformer, Elecrical connector, protection network etc.；High voltage switching module by
Switch-fuse combination, arrester, frame structure etc. are constituted；Standard summary intelligent distribution box is by 400V
The compositions such as turnover wiretap, reactive power compensator, metering device, phase-change switch, Intelligent platform zone terminal；Intelligent platform zone
Terminal is real by the common benefit to capacitor bank or point benefit according to setting valve by real-time monitoring low-pressure side electric current, voltage
The adjustment of Xian Duitai areas power factor；Realized by directly changing the method for payload according to the control to phase-change switch
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 a preferred embodiment of the invention, the main transformer module 1 is comprising power transformer, Elecrical connector and prevents
Protecting wire net；The power transformer by Elecrical connector respectively with the high voltage switching module and the secondary power distribution case mould
Block is connected；The protection network is used to protect the power transformer and the Elecrical connector.
In real work, the main transformer module 1 can be by：Transformer, Elecrical connector, illumination and safety guide rail
Deng composition；The transformer Main Function is that 10kV voltages dress is changed into 400v voltages, to reduce manufacturing cost, is become
Depressor both can select oil-filled transformer, and transformer capacity is 200kVA, because transformer capacity is smaller, it is preferred to use
Gravity-flow ventilation, the transformer core selects matter high-magnetodensity directional cold-rolling silicon steel disc, laminated core formula it is unshakable in one's determination using full bias seam,
Annex fall outside non-porous colligation, channel-section steel formula clamping structure, transformer case and its safety guard net etc. through preservative treatment；
In a preferred embodiment of the invention, the high voltage switching module 2 is included：On-load switch-fuse combination
Electrical equipment, high-voltage arrester, skeleton and shell；The switch-fuse combination and the high-voltage arrester
The enclosure is fixed on by skeleton；Wherein, the switch-fuse combination is used for by fusing
Device triggering on-load switch is protected to transmission line of electricity；The high-voltage arrester is used to protect the intelligent power distribution station area to exempt from
By lightning damage.
In the above-described embodiments, the switch-fuse combination includes on-load switch, fuse, ground connection
Switch and operating mechanism；The on-load switch is used to close or cut-off the connection in the distribution area and the transmission line of electricity；
The operating mechanism is used to control closing or cut-offfing for the on-load switch；The fuse is used for event occur in distribution area
The on-load switch is controlled to cut-off the connection in the distribution area and the transmission line of electricity by the operating mechanism during barrier；Institute
State earthed switch to be linked with the on-load switch, when the on-load switch is closed, the earthed switch locking works as institute
When stating earthed switch and closing, the on-load switch locking, cut-off when being overhauled for the power distribution station distribution area with
The connection of the transmission line of electricity.The switch-fuse combination also includes pole type, the load
Switch, the fuse, the earthed switch and the operating mechanism are sealed in pole die cavity.
In real work, the high voltage switching module 2 can be high by switch-fuse combination, rear slotting type
The compositions such as pressure arrester, frame structure and shell, the module uses fuse cartridge form, using high-voltage and current-limitation fuse
Triggering on-load switch action, it is to avoid phase-deficient operation, switch-fuse combination can include on-load switch, melt
Disconnected device, auxiliary earth switch, operating mechanism etc., wherein, on-load switch uses vacuum interrupter arc extinguishing；Meanwhile, very
Empty arc-chutes, fuse base and contact, static contact of grounding switch and the conducting element that is connected with said elements are through ring
Oxygen tree fat pours into a mould one by APG techniques, forms pole form, pole outer surface spray zinc treatment.
With this, by the high voltage switching module using pole form compared with the high-voltage switch gear of other forms, volume is reduced
It is a lot, save the floor space of the equipment；Simultaneously using the high voltage switching module of pole type, the portion such as insulated tension pole
Part is sealed in pole die cavity, die cavity internal cause sealing, and has completely cut off extraneous air, so as to prevent condensation
Produce, improve power supply reliability；And pole type high voltage switching module is employed, because of pole trypsin method
Zinc layers so that outside to be connected with the earth, when equipment is run, when people touches the pole, are unlikely to generation surprisingly,
So that the high voltage switching module has more security.
Further, in the above-described embodiments, the on-load switch is also provided with spring mechanism, and the mechanism can be real
The breaking-closing operating of existing on-load switch, you can electric switch-on also can closing by hand, when operation handle is used, insert spring
During the corresponding hole position of mechanism, can shake operation handle, completion closing operation；Or, switch on power, press combined floodgate by
Button, motor rotation, until close a floodgate completing, power supply is cut-off after the completion of combined floodgate automatically, and motor stops operating；When need
When wanting separating brake, opening button can be pressed, complete manual brake separating, may also pass through breaking coil and complete electronic separating brake；When
During faulty electric current, by the fusing of fuse, eject fuse ram, triggering on-load switch carries out separating brake and moves
Make, thereby protect the safety of main transformer and other high pressure primary equipments.
In a preferred embodiment of the invention, the high voltage switching module is also equiped with chain, the chain setting load
Between switch and earthed switch, state is closed when on-load switch is in, by chain earthed switch locking, it is impossible to operate；
When earthed switch is in contact of earth state, on-load switch locking can not carry out closing operation, it is ensured that during interruption maintenance
Safety, prevent the harm that maloperation is caused；In real work, high-voltage switch gear room gate, transformer chamber gate and
Secondary power distribution case gate is equipped with electromagnetic lock, and when primary side has voltage, all gates are all forbidden opening, only when once
When side loses voltage, electromagnetic lock unblock, the gate of above-mentioned modules could open, it is ensured that equipment and fortune inspection personnel's
Safety.
In a preferred embodiment of the invention, the secondary power distribution tank module 3 is included：Inlet-outlet line unit, gauge table
Meter unit, intelligent comprehensive control unit, reactive compensation unit and shell；The measurement meter unit is used to gather simultaneously
The energy data of the real-time status of display distribution area electric energy；The intelligent comprehensive control unit is used to monitor described secondary match somebody with somebody
The energy data of electronic box module real-time status is simultaneously instructed according to the energy data output control；It is described to enter unit use occur
It is input into or according to energy data adjustment overload protection value in electric energy is adjusted according to the control instruction；The idle benefit
Unit is repaid for carrying out reactive-load compensation to distribution area circuit according to the control instruction.The secondary power distribution tank module has
It is distribution transformer monitoring, electric energy metrical, sharing of load, reactive-load compensation, aftercurrent action protecting, tranformer protection, long-range
The functions such as transmission data and intelligentized control method.
In the above-described embodiments, the inlet-outlet line unit includes service entrance switch and outlet switch；The service entrance switch is set
There is breaker, the control instruction that the breaker is used to be exported according to the intelligent comprehensive control unit controls the inlet wire
Switch is closed or cut-off；The outlet switch is provided with RCD, the aftercurrent action protecting
Device is used to adjust overload protection value according to the energy data；Wherein, inlet wire and transmission line circuit can use hard busbar or electricity
Cable is connected.
In real work, service entrance switch can be connected and disjunction load circuit, its work(using low-pressure plastic shell circuit breaker
Can be low pressure equivalent to the electrical appliance parts such as knife switch, overcurrent relay, electrothermal relay or the function summation of whole
Protection electrical equipment important in power distribution network；Switch 1.2~1.5 times selections of the setting current according to distribution transforming rated current, inlet wire
Breaker of the switchgear distribution with motor-operating mechanism, can automatically control service entrance switch by intelligent comprehensive control unit
Break-make, it is adaptable to exchange 50HZ, rated operational voltage 690V and following, the circuit of rated operational current to 800A
Infrequently conversion and motor are infrequently started and are used middle work；The service entrance switch is mainly used to distribute electric energy and protective wire
Road and power-supply device, also can be used as the infrequently startings of motor from the damage of the failures such as overload, short circuit, under-voltage
And overload, short circuit, low-voltage protection, while having isolation features.Outlet switch configures RCD,
With communication function and short circuit breaking capacity, can be according to transformer capacity or actual load adjustment overload protection value, tool
Standby automatic reclosing function, residual operating current and mutation residual action current are adjustable in corresponding scope；It is applied to
Exchange 50Hz, nominal insulation voltage 690V, rated voltage 400V, the three-phase and four-line of rated current to 400A are neutral
Point is directly grounded in (TT) distribution network, for providing electric leakage mediate contact protection, it is also possible to prevent because of equipment
Insulation damages, produce earth-fault current and the fire hazard that causes, and can be used to distribute electric energy and protection circuit and electricity
The overload of source device and short circuit；Overvoltage, phase shortage, mains side line off zero to circuit have defencive function.
In the above-described embodiments, the main contacts of breaker is by manually operated or electric switch-on, after main contacts closure,
Be locked in main contacts on closing position by free tripping mechanism, the coil of overcurrent trip and the thermal element of thermal trip with
Main circuit is connected, the coil and power sources in parallel of under-voltage release.It is short-circuited when circuit or during heavy overload, it is excessively electric
The armature adhesive of electrical apparatus release is flowed, free tripping mechanism is acted, main contacts disconnects main circuit.When circuit overloads, heat
The thermal element heating of electrical apparatus release makes to be bent 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 acts free tripping mechanism, and main contacts disconnects master
Circuit；When shunted exciter tripping button is pressed, shunt release armature adhesive acts free tripping mechanism, main contacts
Disconnect main circuit.
By above-mentioned service entrance switch and outlet switch so that the secondary power distribution tank module collection overload, short circuit, remaining electricity
The defencive functions such as stream (electric leakage), phase shortage, under-voltage, over-pressed, mains side line off zero and automatic reclosing are in one；Together
Shi Caiyong A/D conversion digital signals treatment technologies and CPU intelligent control technologies, the remaining electricity of real-time detection tracking circuit
Stream, automatically determines residual current operating value gear, it is ensured that the operational percentage and reliability of Aftercurrent protecting equipment according to setting
Property, furthermore, real-time detection three-phase load operating current, overlond trip current setting arbitrarily sets in cage electric current,
It is not influenced by ambient temperature after setting, it is ensured that the sensitive reliability of overload protection.
In a preferred embodiment of the invention, the intelligent comprehensive control unit includes monitoring unit and administrative unit；
Wherein described monitoring unit is made up of one or more of monitor：User power utilization information monitor, distribution transforming metering are total
Table monitor, RCD monitor, state monitor, communication unit and environmental detector, are used for
Monitor the energy data of the secondary power distribution tank module real-time status；The administrative unit includes Power quality management device,
For the Monitoring Data output control instruction obtained according to the monitoring unit.
In the above-described embodiments, the intelligent comprehensive control unit has distributing transformer monitoring and defencive function, monitoring
Data main Types have：
A ac analogs：Voltage, electric current, active power, reactive power, power factor etc.
B electric energy datas：Total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum
Requirement etc.；
C electric energy statistics：Rate of qualified voltage, tri-phase unbalance factor, voltage fluctuation and flicker, temporary transient or transient state
Overvoltage, voltage dip/interruption/temporarily liter, 1~32 order harmonic components of voltage (electric current), relative harmonic content and
The statistics such as total harmonic distortion, frequency departure, load factor and power supply continuity；
D possesses overvoltage protection, overcurrent protection, overload protection, under-voltage protection, overtemperature protection, harmonic wave to transfinite protection
Etc. various protection/alarm functions, and record is completed simultaneously, is stored and is reported.
E backstages report capability：Relevant data can be analyzed, stored and parameter setting, and automatic production report,
Upload.
Wherein, the function of each monitor is as follows in above-mentioned intelligent comprehensive control module：
User power utilization information monitor, is used to realize the acquiring electric energy information of power distribution station, including electric energy meter data acquisition,
The monitoring of electric power meter operating mode, power quality monitoring, and power load and electric flux, to related data
Carry out treatment storage, management and transmit.Summary table monitor is measured in distribution transforming, is used to realize public power distribution station intelligence electricity
Can table integrated management, the validity for examining it to measure, to the analysis of the abnormal operating condition of intelligent electric energy meter, judge,
Alert and complete relevant information transmission.RCD monitor, is used to realize to residual current acting
The monitoring of protector running status and residual current numerical value, with record, storage and upload function.State monitor,
To real-time monitoring platform area outlet switch state, capacitor switching state and intelligent comprehensive control module operation conditions etc.,
Possesses abnormal alarm function.Power quality management device, is used to support dynamic passive compensation and active power filtering mixed mode,
Quick dynamic compensation is carried out to power distribution station reactive power, the harmonic wave that frequency, size all change is suppressed, can be with
Track compensates each harmonic of quick varying loading, and platform area load three-phase imbalance problem can be administered.Communication unit
Unit, is used to provide the access ways such as wireless connection, and bidirectional data interaction is completed with operation maintenance personnel and user.Environment
Detector, is used to the epidemic disaster information become to distributed board outdoor, power distribution station and case in real time by temperature and relative humidity
It is monitored.
The energy information obtained by the clearer above-mentioned monitor of performance, also can be set display in real work, use
To realize man-machine interaction, by the display with press key control system, man-machine conversational operation can be made convenient, simply；Enter
One step may also provide abundant lamplight pointing information, represent transformer platform operation information more directly perceived.
In a preferred embodiment of the invention, the measurement meter unit can select intelligent multifunction electronic type electric degree
Table, matches 0.2s grades of precision, with communication function；Current transformer and metering are provided with the measurement meter unit
Transformer essence, the current transformer uses poured with epoxy resin, and during work, high current is become electricity by the current transformer
The relatively low low current of pressure, supply instrument and protection device are used, and instrument and protection device and high-tension circuit are separated；
The metering transformer precision is 0.5s grades, and measurement transformer precision is 0.5 grade, and secondary rated current 5A is specified defeated
Go out capacity：10VA, resisting temperature change, there is no cracking, life-span more than 15 years, taken at binding post anti-
Water measure.
In the above-described embodiments, the measurement meter unit is additionally provided with display unit and monitoring unit, the display unit
It is used to show total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum demand etc.；Institute
Monitoring unit is stated to be used to monitor parameters of electric energy meter change, overproof time, fault message, the decline of electric energy degree of a representation, electric energy
The status information such as amount is overproof, flies away, stop walking；In real work, the measurement meter unit external-open is closed the door and can also add
Dress lead sealing and locked, with antitheft Electricity Functional.
In a preferred embodiment of the invention, the reactive compensation unit is included：Capacitor compensator and wave filter,
The capacitor compensator is used to carry out reactive-load compensation to distribution area circuit according to the control instruction.Its median filter can
Selected according to actual conditions, when power distribution station there are filtering requirements, you can use above-mentioned wave filter；By above-mentioned electric capacity
Device compensator so that reactive compensation unit provided by the present invention can realize three-phase total compensation, phase splitting compensation or three-phase total compensation
With the mixed compensation pattern that phase splitting compensation is combined, wherein mending capacitor altogether uses angle scheme, point benefit capacitor is used
Star-star connection, mends be applied to balanced load altogether, and a point benefit is applied to asymmetric or impact and loads, complicated to loading condition
Platform area, preferably using mixed compensation pattern.
In a preferred embodiment of the invention, self-healing low-voltage power capacitor can be using single-layer polypropylene film as Jie
Matter, surface has been deposited with one layer of thin metal as conductive electrode, when too high voltage is applied, polypropylene screen electricity weakness quilt
Puncture, puncturing point impedance substantially reduces, the current density for flowing through is increased dramatically, metallization coating is produced hyperpyrexia, hit
Wear a metallic conductor for surrounding and evaporate loss rapidly, form coat of metal clear area, breakdown point recovers insulation automatically.
Advantageous Effects of the invention are：
1st, integrated dispatching formula all insulation power distribution station high-voltage switch gear volume is reduced, reduces floor space, reduced and use
Family land used cost；
2nd, high-voltage switch gear and integrated dispatching formula all insulation power distribution station are combined together, standardization and generalization set
Meter, improve switch interchangeability, be easy to manufacturer design, production, after sale, standardization and General design, improve
Switch interchangeability；
3rd, integrated installation, is readily transported, and is easy to safeguard；
4th, epoxy resin seal breaker greatly improves allocated radio in the utilization of integrated dispatching formula all insulation power distribution station
Area's electrical insulation properties, are the construction of intelligent power network, there is provided solid to have so as to power supply reliability is greatly improved
The foundation stone of power.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, should be understood that and the foregoing is only specific embodiment of the invention, be not used to limit this hair
Bright protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc.,
Should be included within the scope of the present invention.
Claims (10)
1. a kind of intelligent power distribution station area, it is characterised in that the power distribution station includes：Main transformer module, high-voltage switch gear
Module and secondary power distribution tank module；
The main transformer module, the high voltage switching module and the secondary power distribution tank module are arranged at transmission line of electricity and distribution
Between area；
Wherein described high voltage switching module is connected with the transmission line of electricity, for when distribution area breaks down, cut-offfing institute
State the connection in distribution area and the transmission line of electricity；
The main transformer module is connected with the high voltage switching module, the voltage for adjusting the power delivery circuit output；
The secondary power distribution tank module is connected with the main transformer module, the real-time status for monitoring the distribution area, and
The load of distribution area polyphase circuit is adjusted according to the real-time status.
2. intelligent power distribution station area according to claim 1, it is characterised in that the main transformer module includes electric power
Transformer, Elecrical connector and protection network；The power transformer by Elecrical connector respectively with the high-voltage switch gear
Module is connected with the secondary power distribution tank module；The protection network is used to protect the power transformer and the conduction even
Connect device.
3. intelligent power distribution station area according to claim 1, it is characterised in that the high voltage switching module is included：
Switch-fuse combination, high-voltage arrester, skeleton and shell；
The switch-fuse combination is fixed in the shell with the high-voltage arrester by skeleton
Portion；
Wherein, the switch-fuse combination is used to trigger on-load switch to transmission line of electricity by fuse
Protected；
The high-voltage arrester is used to protect the intelligent power distribution station area from lightning damage.
4. intelligent power distribution station area according to claim 3, it is characterised in that the on-load switch-fuse group
Close electrical equipment and include on-load switch, fuse, earthed switch and operating mechanism；
The on-load switch is used to close or cut-off the connection in the distribution area and the transmission line of electricity；
The operating mechanism is used to control closing or cut-offfing for the on-load switch；
The fuse is used to control the on-load switch to cut-off by the operating mechanism when distribution area breaks down
The connection of the distribution area and the transmission line of electricity；
The earthed switch links with the on-load switch, when the on-load switch is closed, the earthed switch locking,
When the earthed switch is closed, the on-load switch locking cut-offs the distribution when being overhauled for the power distribution station
The connection of area and the transmission line of electricity.
5. intelligent power distribution station area according to claim 4, it is characterised in that the on-load switch-fuse group
Close electrical equipment and also include pole, the pole is used to seal vacuum interrupter, fuse base and contact, connect
Conducting element between ground switch static contact and three.
6. intelligent power distribution station area according to claim 1, it is characterised in that the secondary power distribution tank module bag
Contain：Inlet-outlet line unit, measurement meter unit, intelligent comprehensive control unit, reactive compensation unit and shell；
The measurement meter unit is used for the energy data of the real-time status for gathering and showing distribution area electric energy；
The intelligent comprehensive control unit is used to monitor the energy data and root of the secondary power distribution tank module real-time status
Instructed according to the energy data output control；
The inlet-outlet line unit is used to adjust electric energy input according to the control instruction or is adjusted according to the energy data
Overload protection value；
The reactive compensation unit is used to carry out reactive-load compensation to distribution area circuit according to the control instruction.
7. intelligent power distribution station area according to claim 6, it is characterised in that the inlet-outlet line unit is included into
Wiretap and outlet switch；
The service entrance switch is provided with breaker, and the breaker is used for what is exported according to the intelligent comprehensive control unit
Control instruction controls closing or cut-offfing for the service entrance switch；
The outlet switch is provided with RCD, and the RCD is used for according to described
Energy data adjusts overload protection value.
8. intelligent power distribution station area according to claim 6, it is characterised in that the intelligent comprehensive control unit
Comprising monitoring unit and administrative unit；
Wherein described monitoring unit is made up of one or more of monitor：User power utilization information monitor, distribution transforming meter
Amount summary table monitor, RCD monitor, state monitor, communication unit and environmental detector,
Energy data for monitoring the secondary power distribution tank module real-time status；
The administrative unit includes Power quality management device, for the Monitoring Data output obtained according to the monitoring unit
Control instruction.
9. intelligent power distribution station area according to claim 6, it is characterised in that the reactive compensation unit is included：
Capacitor compensator, the capacitor compensator is used to carry out idle benefit to distribution area circuit according to the control instruction
Repay.
10. intelligent power distribution station area according to claim 9, it is characterised in that the reactive compensation unit is also wrapped
Containing wave filter.
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| CN201510983213.5A CN106921165A (en) | 2015-12-24 | 2015-12-24 | A kind of intelligent power distribution station area |
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| CN201510983213.5A CN106921165A (en) | 2015-12-24 | 2015-12-24 | A kind of intelligent power distribution station area |
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| CN108333400A (en) * | 2018-03-19 | 2018-07-27 | 秦峥 | A kind of intelligent metering case and its application |
| CN109687585A (en) * | 2018-12-28 | 2019-04-26 | 中国电力科学研究院有限公司 | A kind of multifunctional low-voltage load monitoring and control integrated apparatus |
| CN109814500A (en) * | 2018-12-28 | 2019-05-28 | 中国电力科学研究院有限公司 | A kind of electric energy control method monitored based on low-voltage load with control integrated apparatus |
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| CN111952864A (en) * | 2020-08-12 | 2020-11-17 | 国网江苏省电力有限公司南通供电分公司 | Distribution box convenient for line replacement of cargo ship and control system thereof |
| CN112433127A (en) * | 2020-11-13 | 2021-03-02 | 珠海许继电气有限公司 | Fault type identification method and device based on platform area intelligent fusion terminal |
| CN113507299A (en) * | 2021-09-09 | 2021-10-15 | 北京智芯微电子科技有限公司 | Circuit breaker device and distribution station communication system |
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