Zhongyi - 11kv Cooper Oil Filled Pad Mounted Power Transformers

Zhongyi Electric is a technology-oriented enterprise specializing in R&D, production, sales and services of power transformers, HV/LV switch cabinets and related products. Our factory can offer the complete range of power distribution transformer.

33kV series three phase oil filled distribution transformer manufactured by Zhongyi Electric,is a kind of energy-saving oil filled distribution power transformer classified as S9 / S11 /S13 series ( with no-load tap changer,NLTC) and SZ9 /SZ11/SZ13 series (with on-load tap changer,OLTC) .

Service Environment

• Device types: outdoor type
• Normal environment conditions of use: the elevation not more than 1000 m
• Environmental highest temperature + 40°C, minimum-25°C
• The special environment conditions of use: elevation of more than 1000 m
• Environmental highest temperature + 40°C, minimum-45°C. (when you order details)
• Mounting ambicnt: no corrosive gas, no obvious dirt environment

1. Low loss, low noise, low partial discharge, low temperature rise and energy-saving
2. Adopt the latest insulation structure
3. Excellent anti-short-circuit ability.
4. As to the heat dissipating element adopts corrugated sheet or sheet radiator and other components.
5. The iron core adopts high quality cold rolled oriented silicon steel sheet ,it is low loss and small magnetostriction.The whole iron core adopts the structure of 45-degree full oblique joint and round cross-section, which will not be loosened due to vibration during transportation and operation.

Power stations,compact transformer station, normal industrial factories , mines , hospitals, buildings, airports, tunnels, chemical plants, nuclear power plants etc.