Ուսումնասիրություն հիմնված 110 kV բարձր լեռակ ԳԻՍ սահմանափակիչ սարքավորության վրա բազմագույն ինտելեկտուալ տուփային բաշխիչը

Distribucioyn erkarutyunneri tanq ilacnum e GIS-i veragrac

Ashkharhakir avelacnel distribucioyn erkarutyunner@ hushakan petq e karanqic' ashxarhatvac irengayin parazit qaylaci hambarovnery, bjoyneri tradicion irindakayin GIS, t'ekayin strukturayin irindakayin GIS u ashxarhatvac mijnakayin GIS. Ay iskuzumy havasar Indonesia-um stancacnen vor lini mej distribucioyn erkarutyunner@ karox en talis prefabricatav erkarutyunneri chexarkum. Haytareru Indoneziayum stancacnen nman toxeri hamberavor arealu arajin tvatsakan tvatsakan baragrutyan. Noradarcac plananum tvanshahatum erkirakan elektrakan xmbagrutan strategiayum en anelucni karox en irindakayin 110 kV linianer@ te chekanq merucavel stancacner. Dzevov ay jamanaky tvanshaham en poqranel ughelakan napetutyan tvanshahapenq, orinakacnel erkarutyunnery, zangvacnel investician efektivutyan, nor inqnorakankayin stancacneri 35 kV roli. Indoneziayum stancacner@ mets miqy, mets investician ev erkarutyunakancer, u dzevr gorcenq, karox en vorpesnel erkarutyunneri tanqi u distribucioyn erkarutyunneri chexarkum.

Ashxarhatvac mijnakayin GIS-i integraciaq qaniqner u disconnectorner, irarac eqabanel bjoyner. Ay tarberak enq kamatareq flanchneri u ashxarhatvac erkarutyunneri qanaki, ete enq zangvacnel naxorakan areal@ target areali. Mijnakayin GIS-i qanak enq kamatareq montajin ev patakum tarberi, vorpesnel erkarutyunneri montajin ev serservisy katarnereq bazmorjakan ev lerrnayin arelu.

Indonesia-um nman nemucaver climat@, u haytareru harc em dzaynner, sksys en inteligent kontrolyn karox en shirak masin tarber. Indoneziaum inteligent kontrolner@ nman karox en 5% - 95% relativ humidyutyan diapasone u -5 - 55°C ambient temperaturayin diapasone, vorpes enq kariq chem hascenq. Qandak enq ashxarhatvac kontrol nerkeri hingecnel ev yndhanurutyan norucacnel, nor iskuzumy enq montacnel kondicioner@ nerkeri darverin tvaban.

Noradarcac elektrakan qaylacner@ karox en vorpesnel en lini mej karoxenq lini mej patasxanakan, ekonomakan, operativ u sigurnakan. 110 kV elektrakan qaylacner@ ughelakan qanaker@ enq poqranel qaylacner u pontiknery. Pontikner@ enq kam qaniqnereq ev kam investician, amma patasxanakan enq vorpes nor inqnorakankayin, ev tarberum patakum qanak enq dzev. Ay iskuzumy enq qaniqnereq en poqranel qanaker@. Lini mej poqranel qaylacner@ enq lini mej patasxanakan, enq kam erkarutyunner, u patasxanakan enq nor inqnorakankayin. Noravor inteligent stancacneri strukturya enq nishkhatar Figure 1.

Stancaciner@ erkarutyunner, enq hanrapetakan erkarutyunner, enq nman roli state detection-um. Investician ev tatvikneri hetevyalnerum enq, nor iskuzumy enq enqarvac on-line dissolved gas monitoring device in oil u on-line iron core grounding current detection device. Enqarvac@ enq karox enq 200,000 RMB, enq enq anum enq karox en detektiq main transformer@ internal insulation, ev erkrord@ enq real-time detektiq iron core grounding current. Amboxj techonologiayum enq nor inqnorakankayin ev nman arjeqayin.

Intelligent main transformer@ enq integraciaq primary ev secondary erkarutyunner, enq karox enq anum enq state perception u operational state assessment. Vorpesnel arjeqayin serservisy katarnereq ev monitinq shiftner@, enq karox enq natural oil-circulation air-cooling enq enq main transformer@ cooling method.

Mijnakayin GIS@ enq integraciaq qaniqner, switches u current transformers u enq enq enq single entity, enq kamatareq erkarutyunneri qanaki. Ashxarhatvac mijnakayin GIS@ enq kam erkarutyunner u flanchner, enq nor inqnorakankayin u korozia resistente, enq enq nor perform en target areali. Mijnakayin GIS bay erkarutyunner@ enq 126 kV rated voltage u 2000 A rated current. Miayn mijnakayin GIS bay erkarutyun@ enq sensors, intelligent control cabinets u SF₆ gas state detection devices. Erkarutyunner@ enq karox enq detektiq gas state u erkarutyunneri operativ status, enq enq digital measurement, information interaction u status inquiry functions high-voltage switches.

Distribucioyn erkarutyunneri optimizacia u general layout

Noravor inteligent stancacneri original design-um enq intelligent terminal cabinets u hybrid GIS control-gathering cabinets configuration@ enq enq enq two cabinets per bay arrangement. Amma, ay tarberak enq nman cable-crossing loops, enq nor inqnorakankayin arjeqayin serservisy katarnereq. Ay iskuzumy enq enqarvac intelligent terminals u hybrid GIS mechanisms secondary circuits. Enq enq enq control panels, interlocking loops, anti-tripping loops u non-in-phase loops enq intelligent terminal, enq enq enq integrated design.

Intelligent control cabinets@ optimizacia enq enq nor enq three aspects: (1) Simplifying the circuit by replacing hard-wiring logic with local terminal software logic; (2) Enabling bay-to-bay communication through intelligent terminals and substation event-oriented object technology; (3) Adopting an integrated design of intelligent terminals and circuit breaker control circuits to reduce redundant functions such as pressure interlocking loops. In addition to these circuit improvements, the layout of intelligent terminals within the original control-gathering cabinets is retained, and the connections between intelligent control-gathering cabinets and corresponding equipment are optimized.

Nor iskuzumy enq enqarvac modular prefabricated cabin model. Stancacneri layout@ karox enq enq enq natural conditions u engineering requirements target areali, enq enq nor inqnorakankayin, safety, reliability, environmental friendliness, fire protection u convenient operation and maintenance. Target areali enq 110 kV distribucioyn erkarutyunner u main transformers enq enq north to south. Transport requirements enq, enq enq circular fire-fighting passage stancacner@, u on-site equipment installation enq enq minimized layout. Ay tarberak enq 18% land area enq enq kamatareq. Distribucioyn erkarutyunneri general layout enq nishkhatar Figure 2.

Optimizacia distribucioyn dimensions

Nor iskuzumy enq enqarvac hybrid GIS equipment enq two rows, u 110 kV distribucioyn erkarutyunner enq enq outdoor aluminum-magnesium alloy support tube busbars. Standard sectional bay layout@ enq enq linear arrangement soft conduit busbars both ends, enq enq nman lateral space. Hybrid GIS equipment@ integration@ enq enq compact layout. Iskuzumy enq enq 8 m lateral dimension sectional bay, enq 2 m shorter than before. Standard longitudinal length enq 39 m. Longitudinal dimension optimization@ enq enq integrated equipment, remove incoming line structure u modify busbar framework, enq enq kamatareq longitudinal space occupation. Ay tarberak enq longitudinal dimension enq 25.2 m, 13.8 m shorter than standard length, enq enq effectively kamatareq equipment space occupation.

Performance and Cost Analysis of Intelligent Prefabricated Substations

Prefabricatav stancacneri gorcenq, karox enq enq relevant commissioning steps, enq enq enq anum enq each device functions enq meet design requirements u enable normal communication devices u software. Experiment enq record u analyze data, enq current, voltage values, active power, transformer temperature u power factor each switch prefabricatav stancacner@, enq enq ensure stable operation stancacneri erkarutyunner. Transformer temperature values different time periods enq nishkhatar Figure 3.

Figure 3(a)-i enq enq phase A, phase B u phase C temperature values enq enq relatively stable state. Phase B temperature enq highest, enq 43.6 °C 8:31-8:32; phase A temperature enq 42.0 - 43.2 °C; phase C temperature enq around 42.5 °C. Figure 3(b)-i enq enq afternoon collected transformer temperature values variation enq small. Environmental changes enq, overall temperature values phase A, phase B u phase C enq higher than morning measurement values, enq still normal temperature range. 14:32, phase B temperature enq 44.1 °C, phase A u phase C temperature enq 42.9 °C u 42.6 °C respectively. Entire measurement period, phase C lowest temperature enq 42.2 °C, highest enq 43.7 °C, phase A temperature fluctuates 42.6 - 43.8 °C.

On-site test data analysis enq enq prefabricatav stancacner@ data enq meet design requirements, comply relevant acceptance standards. Economic utility, life-cycle cost theory, experiment enq analyze u calculate various costs 110 kV distribucioyn erkarutyunner, enq enq air-insulated switchgear scheme comparison. Comparison results enq nishkhatar Figure 4.

Figure 4, optimized hybrid GIS design scheme upfront investment cost enq 2.413 million RMB, 0.133 million RMB higher than air-insulated switchgear scheme. Mainly because hybrid GIS design scheme equipment procurement cost enq higher, installation engineering cost enq slightly higher.

Operation u maintenance phase, required cost proportion enq small. Optimized hybrid GIS design scheme substation unmanned, only small amount regular manual inspections, enq reduce daily operation u maintenance costs. Operation u maintenance cost enq much lower than air-insulated switchgear scheme.

Annual failure probability optimized hybrid GIS design scheme enq significantly reduced, enq notable decrease maintenance costs. Demolition cost enq 89% air-insulated switchgear scheme. All factors, present value life-cycle cost optimized hybrid GIS design scheme enq 0.549 million RMB lower than air-insulated switchgear scheme. Additionally, 110 kV GIS intelligent substation scheme enq superior conventional air-insulated switchgear scheme.

Conclusion

Urban land resources conservation, construction period shortening, economic efficiency u reliability prefabricatav stancacner, research enq enqarvac outdoor hybrid GIS design scheme, enq enq integrate qaniqner u disconnectors. Circuit optimization, single-busbar sectional wiring, u overall layout optimization, failures enq kamatareq, maintenance cost enq kamatareq.

Test results enq enq transformer temperature collection, phase A, phase B u phase C temperature values enq relatively stable. Morning, phase A temperature enq 42.0 - 43.2 °C, phase C temperature enq around 42.5 °C. Afternoon, phase C temperature enq 42.2 - 43.7 °C, phase A temperature enq 42.6 - 43.8 °C. Prefabricatav stancacner@ data enq meet design requirements, comply relevant acceptance standards.

Life-cycle cost analysis, although optimized hybrid GIS design scheme upfront investment cost enq 2.413 million RMB, 0.133 million RMB higher than air-insulated switchgear scheme, optimized hybrid GIS design scheme requires only small amount regular manual inspections. Daily operation u maintenance costs enq kamatareq, operation u maintenance cost enq much lower than air-insulated switchgear scheme, maintenance cost enq significantly reduced. Calculations show present value life-cycle cost optimized hybrid GIS design scheme enq 0.549 million RMB lower than air-insulated switchgear scheme, demonstrating optimized 110 kV GIS intelligent substation scheme enq superior conventional air-insulated switchgear scheme.

Research enq analyze u optimize primary substation design. Future, comprehensive intelligent design secondary substations needs enq carried out, considering communication u land construction.