2009
DOI: 10.1109/tia.2009.2013576
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Online Detection of High-Resistance Connections in the Incoming Electrical Circuit for Induction Motors

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Cited by 70 publications
(30 citation statements)
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“…It shows that the amplitude of the first harmonic is nearly independent of the load level and increases almost linearly with speed. The deviation from the linearity is due to the inductive effect of the last term in (13), which becomes important at high speeds. 5 plots the behavior of the first harmonic amplitude of the ZSVC when the SPMSM with both resistive unbalance and four shorted-turns operates under different speed and load conditions.…”
Section: Results Generalizationmentioning
confidence: 99%
See 2 more Smart Citations
“…It shows that the amplitude of the first harmonic is nearly independent of the load level and increases almost linearly with speed. The deviation from the linearity is due to the inductive effect of the last term in (13), which becomes important at high speeds. 5 plots the behavior of the first harmonic amplitude of the ZSVC when the SPMSM with both resistive unbalance and four shorted-turns operates under different speed and load conditions.…”
Section: Results Generalizationmentioning
confidence: 99%
“…Moreover, vibrations and the thermal cycling process (contraction and expansion of the nut and bolt connection due to the heat generated because of the high contact resistance) may deteriorate the connection [12]. Poor contacts may generate local overheating, unbalanced voltages and currents as well as electrical failures such as short-circuits or open-circuits [13]. Unbalanced conditions generate negativesequence voltages and currents that have a negative impact on the motor efficiency and performance and may lead to excessive thermal stress.…”
Section: Introductionmentioning
confidence: 99%
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“…The experiment is performed under different operating points to test the robustness of the fault severity estimation method, where R add_a = 2. 4 is added in the phase a. Tables 7 and 8 give the experimental results at different loads with the speed of 480 r/min and at different speeds with 85.7% rated load, respectively.…”
Section: B Robustness Analysismentioning
confidence: 99%
“…It is caused by several factors, such as thermal cycling, poor workmanship and damage of contact surfaces. Due to the HRC, the torque pulsation and loss may be increased [4]. As the evolution of this type of the electric fault is not diagnosed in time, its propagation can cause serious unexpected consequence.…”
Section: Introductionmentioning
confidence: 99%