The Megger MWA330A 3-Phase Transformer Turns Ratio (TTR) and Winding Resistance Analyzer is an advanced 3-phase transformer test system that provides complete ratio, phase and winding resistance measurements with only one 3-phase lead-set connection.

Megger MWA330A 3-Phase Transformer Turns Ratio (TTR) and Winding Resistance Analyzer features:

• 3-phase turns ratio
• 3-phase winding resistance
• OLTC continuity (make-before-break)
• 3 phase core demagnetization
• Magnetic balance / flux distribution
• Excitation current
• Polarity and phase angle deviation
• Auto vector detection
• Heat-run test