Applicatio Intelligentium Solidorum Insulatorum Ring Main Units (SIRMUs) in Reticulo Distributionis Qinzhou
1 Introductio
Regiones littorales faciunt frontem contra pericula ambientalia, sicut pluviae magnae, fulgura, calores alti, humiditas magna, et corrosio salis. Ut securitatem rectorum distributionis urbanorum in tali ambientibus confirmemus, minuamus interrupiones electricitatis ex maintenance apparatorum, et prohibeamus accidentia ex finis vitae apparatorum et alia quae ad securitatem rectorum pertinent, investigavimus usum novi generis Solid Insulated Ring Main Unit (SIRMU). Hoc SIRMU praebet longam vitam, operationem sine maintenance, conformitatem ambientalem, intelligentiam, et meliorem fidelem suppeditationem electricitatis.
Nunc, plus quam 90% Medium Voltage Ring Main Units (RMUs) confidunt in SF₆ gas ut medium insulativum. SF₆ gas est chemice stabilissimum, habens excellentes proprietates insulativas et arc-quenching, et est latissime usus in apparatibus electricitatis. Apparatus interruptoris SF₆ gas-insulati sunt compacti. Tamen, SF₆ gas liquefitur in frigore, minuens suas proprietates insulativas et arc-extinguishing. In calore, decomponitur in byproducts toxicissimos, praebens periculum magnum hominibus. Praeterea, effluvium et emissio sunt inevitabilia in impletione, operatione, et recupratione gas, faciens SF₆ pollutivum ambientale majus. SF₆ est internationaliter recognitus ut unum ex sex majoribus gas greenhouse; ex perspectiva ambientali, eius usus debet minui vel eliminari. Principium designandi Solid Insulated Ring Main Unit fundamentaliter eliminat necessitatem SF₆ gas, praebens fundamentum pro reductione emissionum et protectione ambientali in sectoribus rectorum distributionis, congruenter cum exigentibus ambientalibus.
Intelligent Solid Insulated Ring Main Unit (SIRMU) pro extensionibus rectorum distributionis non solum praebet amicitiam ambientalem et resistenciam adversus ambientes duros, sed etiam gradum intelligentiae altum. Suas functiones includunt omnia quae traditio ab apparatibus primariis et secundariis systematis electricitatis in unitate singula praebent. Productum adoptat approacchum designandi integratum et modulare tam pro componentibus high-voltage quam low-voltage, praebens excellentem versatilitatem et expandibilitatem, representans verum apparatum electricum intelligentem.
2 Usus Technicus Intelligentium Solid Insulated Ring Main Units (SIRMUs)
2.1 Usus Technologiae Insulationis Solidae
Technologia insulationis solidae praeoccupatur encapsulando et sigillando partes vivas circuiti principialis apparatorum switchgear medium-voltage cum materialibus solidis, aut transferendo altitudinem electrici campi in interior materialis insulatoris solidi. Hoc permittit materialem solidum sustinere potentiales altiores, ita reducens intensitatem campi in aere. Communes materialis insulatoris solidi sunt resina epoxy et caoutchouc silicone.
Solid Insulated Ring Main Unit (SIRMU) utitur materiali insulatori solido ut medium insulativum principiale. Partes conductivae circuiti claves, sicut interruptores vacuum et eorum conexiones, disconnecting switches, grounding switches, main busbars, et branch busbars, individue vel collectiviter encapsulantur in insulatione solida, formantes unum vel plures modulos. Hi moduli sunt totaliter insulati, totaliter sigillati, specifici functione, et designati pro recombinatione et expansione. Superficies accessibiles humano sunt coactae stratiis conductivis aut semi-conductivis et directe et secure terratae. Characteristicae claves includunt totam insulationem, totam sigillationem, modularitatem, magnitudinem compactam, et intelligentiam. SIRMUs demonstrant performance significanter superiorem comparata RMUs SF₆ in resistendo ambientes duros sicut frigus extremum, altitudines altas, humiditatem, et ventos fortis. Designati sine conductoribus high-voltage expositis, sunt particulariter apti pro locis humidis et subiectis inundationibus, capaces suppeditandi electricitatem fidem in conditionibus humidis aut submersis.
2.2 Usus Technologiae Protectionis Intelligentis
Integratio microprocessorum et technologiae computatoria in apparatu electrico imbuit eos cum functionibus intelligentibus, simul communicando bidirectionaliter cum centris controlis. Hoc format systema monitoring, protectionis, et managementis retis intelligentis. Per simplicem configurationem parametrorum, unus apparatus intelligentis potest commode perficere functiones quae traditione requirunt varios apparatos.
Design structurae SIRMU congruit cum exigentibus grid smart resilientis moderni. Utilizat algorithmos rapidos ut praebet interruptoribus celerem tripping, permittens isolationem celerem lineae defectuosae et efficaciter prohibens tripping cascading. Equipatus est systema protectionis single-phase ground fault, quod permittit detectionem online talium defectuum in systematibus non-terra (aut terra-high-impedance/PET/PEN) absque configuratione addita, praebens alarumas aut mandata trip secundum valores set. Circuitus principialis utitur design singularis phase, quod totaliter evitat short-circuit inter phases in operatione et significanter augit efficientiam maintenance, simul reducens costus. Systema operativum embeditum integratum habet architecturam CPU core, includens processor ARM (ARMP) pro processing generali et control systematis, pariter DSP potentem pro multitasking efficientem, permittens data processing, control, et communication celerem. Unitates sunt structurae compactae, magnitudinis parvae, levitate levis, et facilis installationis. Gaps isolationis visibiliter verificantur pro operatione secura. Recognitio automatica mode supply permitit changeover automaticum flexibile pro dual power supplies, augmentans fidelitatem supply electricitatis. Support communicationis flexibilis (GSM SMS, GPRS, CDMA wireless services universal, fiber, twisted pair, wireless, carrier), et support multorum protocolorum communicationis, facilitat implementationem automationis distributionis.
2.3 Sine Maintenance et Amica Ambientalis
Interruptor principal utitur vacuum circuit breaker sine maintenance notus pro stabilitate et fide. Integratio disconnecting switch et grounding switch cum interruptore circuiti praebet structuram compactam cum interlock mechanicis et electricis fidelibus, efficaciter prohibens misoperationem.
2.4 Processus Fabricationis Claves et Assurantia Qualitatis pro SIRMUs
Ut productionis stabilitatem, consistentiam, et qualitatem producti confirmemus—hoc est, ut garantiamus longam vitam SIRMU producti—solid insulated poles utuntur processu Automatic Pressure Gelation (APG) quando facti sunt ex resina epoxy. Exigentia processus fabricationis pro SIRMUs excedunt eas pro RMUs SF₆ gas-insulatis. Control insufficiens processus productionis significanter augmentat probabilitatem et severitatem defectuum et faultum occultorum comparatis unitatibus SF₆. Stricta control qualitatis raw material et capacitates processus advanced sunt essentialia.
Insulation externa interruptoris vacuum obtinetur per media multiple, sicut epoxy, caoutchouc silicone, et aer. Itaque, fortitudo insulationis individualium materialium et tractamentum interfaciei inter differentes media insulatoria sunt cruciales. Et epoxy et caoutchouc silicone praebent excellentem fortitudinem dielectricam, attingens 5-6 vices fortitudinis aeris. Attingere hanc fortitudinem requirit strictum control processus molding—optima temperatura et pressio—simul certificans degassing et venting materialis in molding ut avoidet micro-bubbles entrapped. Non facere hoc non solum minuit fortitudinem insulationis, sed etiam causat distributionem inaequalem campi electrici, augmentans partial discharge (PD) activity et ponens periculum operationis. Tractamentum interfaciei confirmat sufficientem fortitudinem insulationis interfacialis sub stress, thermal cycling, etc., prohibens defectum insulationis. Methodi detectionis fideles pro qualitate interfaciei sunt necessariae. Nunc, PD measurement, X-ray inspection, et lightning impulse tests possunt accurate evaluerent fortitudinem insulationis interfacialis.
Utilizatio X-ray inspection ut test factory prohibit defectus sicut bubbles, pores, aut cracks in assemblys insulationis solidae et confirmat interruptores vacuum, eorum conexiones/terminales, et busbars solid insulated nullam apparentiam abnormal deformationem in imaginibus X-ray relativis positionibus suis. Faciendo PD measurements prohibit PD inception et extinction in weaknesess aut defectibus in insulatione SIRMU causatis per campos electrici altos, avoiding cumulative degradation leading to insulation breakdown over time.
3 Schema Design Technicum pro SIRMU Intelligenti
Ex copiosa experientia operationis rectorum distributionis et analysis apparatorum domesticorum et internationalium advanced, considerando conditiones reales operationis rectorum et exigentias ambientales, determinavimus per comparationem comprehensivam ut developeremus et applicaremus projectum "Application Research of 10kV Intelligent Solid Insulated Ring Main Unit".
3.1 Contentus Technici Principales
Novi AVR-12 type Solid Insulated Ring Main Units (SIRMUs) installantur in loco originali. Configuratio dual-power supply utilitatur, utentes functionibus intelligentibus SIRMU pro isolatione celeri lineae defectuosae, detectione celeri single-phase ground faults, et transmissione omnium informationum switch via optical fiber ad Distribution Automation Master Station (DMS) aut via SMS ad telephones maintenance personnel. Utilizando platformam monitoring master stationis permitit statistics data et analysis defectuum.
Hoc projectum implementatur in sequentibus aspectibus:
- Basati in schemate RMU originali et considerando importantiam usus, power supplentur via dual incoming lines. In operatione normali, Incomer #1 supplent power dum Incomer #2 est in hot standby.
- Apparatus principale est AVR-12 type Ring Main Unit, constans 7 bays: 6 circuit breaker (CB) bays et 1 Potential Transformer (PT) bay.
- 6 CB bays adoptant structurem CB + Disconnector (DS) + Grounding Switch (ES), equipata dispositivis protectionis integratis.
- PT bay utitur structurem DS + single-phase PT, praebens power communicationis. PT potest switch in/out utendo DS in PT bay, permittens maintenance PT aut line absque necessitate complete SIRMU outage.
- Utendo CB-type SIRMUs permittit interruptiones multiplices currentis defectui short-circuit. Comparato protectioni fuse, praeter eliminationem inconvenientiae et dispendii replacementis fuse, praebent coverage protectionis short-circuit comprehensive per adjustmentes setting.
Operation Normalis:
Controller intelligentis acquirit parametres (status breaker, status disconnector, current/voltage primary, zero-sequence current/voltage, status DMS master station) pro unoquoque incoming/outgoing bay. Data real-time upload via optical fiber ad Intelligent Distribution Switch Master Station permittit operationem remota.
Defectus Short-Circuit:
Feature rapid protection controlleris intelligentis detectat currentem defectui et fluxum potentiae intra 15ms et clear defectum intra 25ms, confirmans supply line normalem, prohibens tripping cascading, et minimans ambitum outage. Characteristics instantaneas (voltage, current, status switch) permit control action characteristic permanent magnet actuator, breviating tempus defectui clearing ad isolandum celeriter lineam defectuam. Simul, controller transmittit informationem actionis SIRMU via fiber ad center monitoring, permitens assessmentem tempestivam status producti et facilitans locationem defectus et restorationem power.
Defectus Single-Phase Ground:
Controller utitur magnitudine/phase currentis zero-sequence et magnitudine/phase voltage zero-sequence ut determinet si defectus occurrit in parte load SIRMU. Solum pro defectibus in parte load controller emit commandum protectionis trip aut alarm et upload defectus informationem via fiber. Defectus in parte source non trigger actionem ab hoc SIRMU controller.
3.2 Difficultates Technicae Principales
(1) Applicatio technologiae insulationis solidae et processus manufacturing APG ut confirmetur fides, longa vita, et operation sine maintenance SIRMU in ambientibus caloris alti et salt fog alti.
(2) Utilizatio conceptus design integrati et flexibilis combinantis sectionem high-voltage primariam interruptoris circuiti cum sectione secondary intelligent control. Built-in combined current/voltage sensors enable real-time acquisition of primary voltage/current signals and switch status for flexible control of the breaker's actuator, optimizing vacuum interrupter operation.
(3) Detectio rapida currentis defectui et execution protectio actionis.
Implementatio Projecti:
Hoc projectum utitur RMUs solid insulated cum dispositivis control intelligentis integratis. Interruptor principal utitur combination device comprising Permanent Magnet Actuated Vacuum Circuit Breaker (VCB) with integrated Disconnector (DS) and Grounding Switch (ES). Equipatus est systema control intelligentis, performans functiones automatic control etiam absque coordinatione DMS. Actuator permanent magnet offer high reliability and maintenance-free operation. Communicationis optical fiber permit real-time collection of all RMU operating parameters, simplifying remote power restoration and power fault analysis, and accumulating experience for smart grid terminal devices. Cabinet externum stainless steel minimizes future maintenance.
4 Conclusio
Intelligent Solid Insulated Ring Main Unit (SIRMU) est RMU generationis proximae, securus, amicus ambientalis, stabilis, fidelis, et intelligentia alta. Id est particulariter aptum pro deployment in locis duris characterizatis altitudine alta, variationibus temperature extrema, contamination, et humiditas.
