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This paper proposes an approach to estimate the ratio between shorted and total turns in interior permanent magnet synchronous machines (IPMSM). When an inter-turn short circuit (ISC) occurs, a particular disturbance affects the motor. The proposed method estimates this disturbance using an observer; this estimated signal is used to obtain the short circuit ratio. The observers are based on a dynamic...
This paper proposes an analysis of a fault index signal for internal permanent magnet synchronous machines (IPMSM) under inter-turn short circuits (ISC). Research has proven that the dynamic model of an electrical motor under ISC can be modeled as a healthy machine affected by a disturbance current representing the effect of the ISC. This current is equal to the product of the shorted turns ratio...
The number of distributed energy resources are increasing in modern power systems. Vehicle-to-grid power transfer is envisioned to become another type of distributed energy resource and support energy needs of the grid under various circumstances. This paper investigates the stability and power quality of a parallel grid-connected inverter system for vehicle-to-grid application using modeling and...
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