S11-M Double-Winding Off-Circuit Tap Changing Oil-Immersed Power Transformer
Overview
The S9/S11/S13-M-30~2500/20-10 series of fully sealed oil-immersed power transformers are designed for AC 50Hz power systems with rated voltage of 10kV or 20kV and below. These transformers are commonly used in petroleum, metallurgy, chemical, textile, and light industry sectors, as well as environments with heavy dust, serving as distribution transformers in industrial and commercial applications.
Model Designation and Meaning
Three-phase
Design number (e.g., S9, S11, S13)
Fully sealed structure
Rated capacity (kVA)
High-voltage level (kV)
Operating Conditions
Ambient temperature: -40°C to +40°C
Altitude: Not exceeding 1000 meters
Main Technical Parameters
