Online detection of high-resistance connections in multiphase induction machines
IEEE Transactions on Power Electronics, 2014•ieeexplore.ieee.org
High-resistance connections in electrical machines cause unbalances in the stator
resistances, reduce the efficiency, and increase the fire hazard. In this paper, the problem of
detection of high-resistance connections is investigated for multiphase induction machines
with an odd number of phases. The main contribution of this paper is a control scheme that
can determine the stator resistance unbalance of all phases, under transient and steady-
state operating conditions. The theoretical analysis and the feasibility of the control scheme …
resistances, reduce the efficiency, and increase the fire hazard. In this paper, the problem of
detection of high-resistance connections is investigated for multiphase induction machines
with an odd number of phases. The main contribution of this paper is a control scheme that
can determine the stator resistance unbalance of all phases, under transient and steady-
state operating conditions. The theoretical analysis and the feasibility of the control scheme …
High-resistance connections in electrical machines cause unbalances in the stator resistances, reduce the efficiency, and increase the fire hazard. In this paper, the problem of detection of high-resistance connections is investigated for multiphase induction machines with an odd number of phases. The main contribution of this paper is a control scheme that can determine the stator resistance unbalance of all phases, under transient and steady-state operating conditions. The theoretical analysis and the feasibility of the control scheme are confirmed by experimental tests.
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