Analytical model of iron losses in power transformers, ANN-based harmonic restraint differential protection of power transformer,Application of radial basis function neural network for differential relaying of a power transformer,Automatic diagnosis of fault locations in power transformer impulse test using self-organizing map,Back-up algorithm for single power distribution transformer contingency,Chaos in power transformers including the core hysteresis, Characterization of vibration signals using continuous wavelet transform for condition assessment of on-load tap-changers。