
1. Kerfisafn í orkugjöf Súðursýslunnar
1.1 Fjölbreytt spennaarmál
- Flókin spennur á Súðursýslunni: Í bæjarbrúkum er oft notað 220V/230V einfás; í verksgögnum krefst 380V þrívís, en óvenjulegar spennur eins og 415V finnast í fjarlægum svæðum.
- Háspenna (HV): Venjulega 6,6kV / 11kV / 22kV (sumir lönd eins og Indónesía nota 20kV).
- Lágspenna (LV): Staðlað 230V eða 240V (einfást tveggja- eða þriggjaþráðakerfi).
1.2 Loftslagi og rásarskilyrði
- Há hiti (meðal ársins >30°C), há rauðvötn (>80%) og sólufjötrun (ströndaréttindi) hraða eldaskiptum tækja.
- Mikil fluktuð rás og oft keypt skammhringar nötgjöfa um að trafoar með sterkri getu við skammhringa og stöðugleika á spennu.
1.3 Orkunotkun og kostnaðarsensitivitet
- Hár orkukostnaður (t.d. virkjunarverð yfir $0,15/kWh á Filippseyjum) krefst að trafoarnir minnki óhlaðnar tapa um yfir 70% (t.d. með vefðarkjarnatekník).
- Lítil viðhaldsressur krefjast af viðhaldsleysa hönnun eða fjartengt viðhorf.
2. Tækni lausnir fyrir einfást dreifitrafo
2.1 Sérsniðin spennaanpassun
- Fjölfás spennubreyting:Stýrir úttaksspennu 220V/230V/415V og stöðugri 380V ±2% úttoku, hægt fyrir verksgögntæki.
- Vefbingun:Notar hágildi syngervatnsfrjósemi (OFC) til að minnka hlaðtap; Vakuum epoxiharður (fyrir SCB seríu torfta trafo) aukar öryggisstigi og hitasprettuvirkni.
2.2 Efni og byggingaraukning
Afstaða
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Tæknilausn
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Forskur
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Kjarni
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Vefðarkjarni eða amórfs leysimót
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↓70% óhlaðnar tapa, nálgast IE4 gildi
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Huls
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304 rostfrelsi + mættri verndarlitur
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Sólufjötrunarvernd >1000klst (samsvarar IEC 60068-2-52)
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Sealing
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Fulla seining (gúmmigjafa + tryggjanefni frátrykt)
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Moisture & Dust Proofing, Adapts to Humidity >95%
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2.3 Intelligent Protection & Monitoring
- Built-in RTU Module:Monitors temperature, load, and current harmonics in real-time; supports APP alerts (e.g., overload, pre-fault indications).
- CSP Protection Kit:Integrated HV fuse + secondary circuit breaker; short-circuit withstand capacity >25kA/2s.
3. Umhverfisviðbæt áhersla
3.1 Hitaspotta optimering
- ONAN Cooling (Oil-Immersed):55°C temperature rise design enables full-rated load operation without derating in tropical climates.
- Forced Air Cooling (Dry-Type):Thermostatically controlled fans automatically start/stop, extending lifespan in high-temperature environments.
3.2 Jarðskjálftarviðbótar og vernd
- Passes IEC 60068-3-3 seismic testing (horizontal acceleration 0.5g).
- IP54 protection rating against water spray and dust ingress (suitable for construction sites, agricultural, and mining applications).
4. Notkunarskeið & valreglur
4.1 Einfást dreifitrafo tegundir & notkunarskeið
Tegund
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Mettuð kapasiteit
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Key Features
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Recommended Application Scenarios
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Oil-Immersed Transformer
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5kVA ~ 100kVA
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Mature, stable technology, excellent thermal performance, suitable for outdoors
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Rural / suburban power supply, industrial plants, outdoor facilities
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Dry-Type Transformer
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5kVA ~ 50kVA
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Environmentally friendly (oil-free), high fire safety, easy indoor installation
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City centers, commercial buildings, hospitals, schools
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Amorphous Alloy Transformer
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10kVA ~ 50kVA
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Significant energy savings, >70% lower no-load loss than conventional units
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Government-backed eco-projects, green buildings, long-run sites
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4.2 Key Technical Parameter Requirements
- Electrical Parameters
- Rated Frequency: 50Hz
- Insulation Class: Class H or F (Dry-Type Transformers)
- Protection & Cooling
- Protection Class: IP54 or higher (for outdoor units)
- Cooling Method:
- Natural Air Cooling (AN)
- Forced Air Cooling (AF, optional)
4.3 Voltage Regulation & Noise Control
- Voltage Regulation Method:
On-Load Tap Changer (OLTC - Suitable for scenarios with large load fluctuations)
Off-Circuit Tap Changer (OCTC - For conventional requirements)
Dry-Type Transformer: ≤50dB
Oil-Immersed Transformer: ≤55dB
5. Þjónusta & viðmótstuðull
- Localized Delivery:Establishes localized manufacturing facilities in partnership with local utilities or agents to shorten lead times.
- Monitoring & Maintenance:Integrates IoT modules for remote condition monitoring, enabling early warnings for potential faults and boosting O&M efficiency; remote diagnostics covers 90% of faults.
- Compliance Certification:Meets IEC, IEEE, ANSI standards; supports UL/CE certification.