| Brand | ROCKWILL | 
| Numero ng Modelo | 66kV Tatlong Phase na Oil-Immersed Earthing Transformer | 
| Tensyon na Naka-ugali | 66kV | 
| bilang ng phase | Three-phase | 
| Serye | JDS | 
Paglalarawan ng Produkto
Inilalabas ng Rockwill ang mga mapagkakatiwalaan at mataas na pagganap na earthing transformers na disenyo para sa 66kV power systems. Ang aming mga oil-immersed transformers ay inengineer upang magbigay ng matatag na neutral grounding solutions habang sinisigurado ang operational safety at system protection. Ginawa ito ayon sa internasyonal na pamantayan kabilang ang IEC at GB, ang mga transformers na ito ay may premium na materyales at mahigpit na quality control sa buong proseso ng produksyon.
Pangunahing Impormasyon

Pangunahing Katangian
Klase ng Voltaje: 66kV system voltage (200 BIL)
Saklaw ng Kapasidad: Standard units mula 100kVA hanggang 10,000kVA
Konfigurasyon ng Winding: Optimized zigzag (ZNyn) design
Sistema ng Paggamot: ONAN/OFAF cooling options
Insulation: Mineral oil o synthetic ester fluid
Konstruksyon:
Corrugated tank o radiator cooling
Hermetically sealed o conservator tank options
CRGO silicon steel core
Copper/aluminum windings
Teknikal na Advantages
Pinahusay na Kaligtasan: Built-in Buchholz relay at pressure relief device
Mababang Impedance: Zero-sequence impedance <15Ω para sa epektibong pag-manage ng fault current
Katagalang-gamit: Corrosion-resistant paint system para sa outdoor installations
Efisiyente: Reduced no-load losses through optimized core design
Flexibility: Off-circuit tap changer (±5% in 2.5% steps)
Karaniwang Paggamit
Utility Networks:
Neutral grounding para sa 66kV transmission systems
Arc suppression coil connections
Resistance grounding systems
Industrial Plants:
Petrochemical facilities
Mining operations
Steel manufacturing plants
Renewable Energy:
Wind farm collector stations
Solar PV substations
Hydroelectric plants
Performance Specifications
Temperature Range: -30°C to +40°C ambient
Humidity: ≤95% monthly average
Altitude: Up to 2000m ASL
Sound Level: ≤75dB at 1m
Efficiency: ≥99.2% at full load
Testing Protocol
Lahat ng yunit ay dadaan sa comprehensive testing kasama ang:
Zero sequence impedance measurement
Induced overvoltage test (260Hz)
Lightning impulse test (350kV)
Temperature rise test (65K max.)
Oil dielectric strength test (≥50kV)
Service Conditions
Sapat para sa indoor/outdoor installation
Wind resistant up to 35m/s
Non-explosive environments
Seismic capability: 0.3g horizontal acceleration