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HENTG POWER 500kVA 13.8kV/0.4kV Oil-Immersed Transformer with ONAN Cooling for Outdoor Power Distribution

Riepilogo Prodotto

Il trasformatore immerso in olio HENTG POWER da 500 kVA offre una distribuzione affidabile dell'energia esterna con nucleo CRGO ad alta efficienza, serbatoio anti-perdite rinforzato e design specializzato per i difficili ambienti africani. Disponibili rapporti di tensione personalizzati e standard IEC/ANSI.

Attributi chiave
Marchio: HENTG POWER
Numero di modello: S11-500
Luogo di origine: Cina
Certificazione: CE, IEC, ISO9001, Type test reports
MOQ: 1
Capacità di approvvigionamento: 300-500MVA/anno
Tempi di consegna: 25 giorni
Termini di pagamento: L/C,T/T
Attributi personalizzati del prodotto
Evidenziare

500kVA Oil-Immersed Transformer

,

13.8kV/0.4kV Power Transformer

,

ONAN Cooling Distribution Transformer

Capacità nominale:
500KVA
Tensione primaria:
13.8kV
tensione secondaria:
0,4 kV
Frequenza:
50Hz/60Hz
metodo di raffreddamento:
ONAN (Olio Naturale Aria Naturale)
Fase:
Trifase
Gruppo vettoriale:
Dyn11 (personalizzabile)
Classe di isolamento:
CLASSE A
Standard:
IEC 60076 / ANSI / BS (su richiesta)
Installazione:
Palo da esterno o fissaggio a terra
Descrizione del prodotto
HENTG POWER 500kVA 13.8kV/0.4kV Three-Phase Oil-Immersed Transformer ONAN

High-efficiency outdoor distribution transformer designed for industrial, commercial, and utility power distribution networks. Engineered for reliable operation in harsh environments including high-temperature, dusty, and high-pollution regions.

Key Products: 500kVA transformer, 13.8kV transformer, 0.4kV distribution transformer, oil immersed transformer manufacturer, ONAN transformer, outdoor power transformer

Key Features & Benefits
High Efficiency & Low Loss Design
  • CRGO silicon steel core with optimized magnetic circuit
  • Low no-load loss and load loss options (S11 / S13 efficiency level)
  • Reduced lifecycle operating cost
Heavy-Duty Tank Structure
  • Corrugated tank design with elastic cooling fins
  • Enhanced mechanical strength for transport stability
  • Vacuum oil filling process to prevent internal moisture
Advanced Anti-Leakage System
  • Double sealing structure with high-quality nitrile rubber gaskets
  • Controlled torque fastening system
  • 24-hour pressure testing before shipment
Designed for Harsh Outdoor Conditions
  • High creepage distance bushings
  • Anti-corrosion coating treatment
  • Suitable for high dust and sandstorm areas
Flexible Customization Options
  • Voltage ratio customization (13.8kV/0.4kV or others)
  • Tap changer ±2×2.5% or ±5%
  • Copper or aluminum winding
  • Optional accessories (Buchholz relay, temperature indicator, surge arresters)

Technical Specifications
Rated Capacity 500kVA
Primary Voltage 13.8kV
Secondary Voltage 0.4kV
Frequency 50Hz / 60Hz
Cooling Method ONAN (Oil Natural Air Natural)
Phase Three-Phase
Vector Group Dyn11 (customizable)
Insulation Class Class A
Temperature Rise 60K / 65K
Standards IEC 60076 / ANSI / BS (upon request)
Installation Outdoor pole or ground mounted
Suitable Applications
Utility substations
Industrial plants
Mining projects
Solar power stations
EPC power distribution projects

Special Design for High Dust & Sand Environments
Common Problems in High-Dust African Regions:
  • Sand accumulation causing overheating
  • Gasket aging leading to oil leakage
  • High ambient temperature accelerating oil expansion
  • Corrosion due to high UV exposure
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