Single-Phase Transformer Demagnetizer|XHXC105 Patented DC Attenuation Technology for High-Capacity 330kV+ Power System Residual Magnetism Elimination Product Overview The XHXC105 Single-Phase Transformer Demagnetizer is engineered specifically for eliminating residual magnetism in high-capacity power transformers (35kV and above, especially 330kV+ units). Residual magnetism—caused by ferromagnetic hysteresis during DC resistance testing and voltage ratio measurements—is a