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Iron core of transformer somehow always have non-linear hysteresis characteristics. Generally, they are symmetry on their three legs of iron core. However, it may also suffer from unsymmetrical flux hysteresis characteristic due to inappropriate or special design. On the other hand, transformer is very sensitive to ferroresonance if it works on saturation area of its flux characteristic. Therefore,...
Short circuit fault cause arcing fault initiate fire accident. Fire case caused by short circuit fault in low voltage installation is occured every year. Several cases in fire accident at low voltage installation caused by short circuit fault. In this case, protection equipment failed to detect and secure the installation. This experiment investigate short circuit case at low voltage filament conductor...
Stator fault of induction motor is one of the most common faults in industries. Fault detection in early stage of fault is importance to avoid catastrophic failure. This paper is concerned to analysis the behavior incipient stator fault that defined as high impedance and short time turn to turn short circuit. Mathematical model of induction motor with turn fault is developed to understanding the machine...
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