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35kV Three-Phase On-Load Tap-Changing Transformer

SZ-31500/35

Product Overview

High-Performance power transformer designed and manufactured to international standards, suitable for power transmission and distribution systems worldwide.

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Technical Specifications

ModelSZ-31500/35
Rated Capacity31500/31500 kVA
Rated Voltage Ratio(35±3x2.5%)/10.5 kV
Short-Circuit Impedance8%(±5%)
Rated Frequency50 Hz
Connection SymbolYnd11
Insulation LevelLI200AC85-LI200AC85/ LI75AC35 kV
Cooling MethodONAN
No-Load Loss58 kW
Load Loss82.7 kW
Temperature Rise LimitTop Oil: 47.5
Winding Hot-Spot: 70.5 K
Noise (Sound Pressure Level)58 dB(A)