Introduction:
Technical parameters:
ONAN/ONAF Primary (HV) Rated Power/ (): MVA6/8
ONAN/ONAF Secondary (LV) Rated Power: / ()MVA6/8
Altitude of Installation: >= 3000 m. A. S. L.
Number of Phases: 3
Rated Frecuency: Hz50
Type of Service: Outdoor - Continuous Service
Rated Primary (HV) Voltage: ()V69000
OFF CIRCUIT Primary Tapping Range: % Un± 2 x 2, 5%
Rated Secondary (LV) Voltage: ()V25000
OFF CIRCUIT SecondaryTapping Range: % Un/
Insulating Liquid: Mineral Transformer Oil - NO PCB
Connection Symbol: YNyn0
Connections: Primary: WYE with Neutral brought out
Secondary: WYE with Neutral brought out
Technical parameters:
ONAN/ONAF Primary (HV) Rated Power/ (): MVA6/8
ONAN/ONAF Secondary (LV) Rated Power: / ()MVA6/8
Altitude of Installation: >= 3000 m. A. S. L.
Number of Phases: 3
Rated Frecuency: Hz50
Type of Service: Outdoor - Continuous Service
Rated Primary (HV) Voltage: ()V69000
OFF CIRCUIT Primary Tapping Range: % Un± 2 x 2, 5%
Rated Secondary (LV) Voltage: ()V25000
OFF CIRCUIT SecondaryTapping Range: % Un/
Insulating Liquid: Mineral Transformer Oil - NO PCB
Connection Symbol: YNyn0
Connections: Primary: WYE with Neutral brought out
Secondary: WYE with Neutral brought out
| Reference Temperature | ° C | 75 | ||||
| No-Load Losses at Principal Tapping: | W | 9.0 kW | ||||
| Looses of Cooling Fan System | W | / | ||||
| Insulation Levels (LI/AC): | LI325AC140/LI125AC55 | |||||
| No Load Current: | @ Un | % In | 0.56 | |||
| @ 1.05 Un | % In | 0.68 | ||||
| Sound Level: | dB | < 67 | ||||
| Short Circuit Impedance at Principal Tapping: | P/S | % Un | 8~10% | |||
| P/T | % Un | |||||
| S/T | % Un | |||||
| Reference Temperature | ° C | 75 | ||||
| Top Oil Temperature Rise: | °C | 51K | ||||
| Average Winding Temperature Rise: | °C | 64K | ||||
| Insulation Resistance (Reference Temperature = 20°C): | ||||||
| HV/LV / | Mohms | ≥1000 | ||||
| HV/GR - LV/GR - | Mohms | ≥1000 | ||||
Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE knows the value of your time.
Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!