IEEE Std ™). IEEE Recommended Practice for. Insulation Testing of AC Electric. Machinery ( V and Above). With High Direct. IEEE Std 95 () IEEE Recommended Practice for Insulation Testing of Large AC Rotating Machinery with High Direct Voltage. (This foreword is not a part of IEEE Std , Recommended Practice for Insulation In the Insulation Subcommittee of the IEEE Rotating Machinery .

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Since the s, motor windings have encountered many changes 95-197 their design and manufacture. References Publications referenced by this paper. Skip to search form Skip to main content.

9-51977 The most usual methodology is the finite element method, or linear regression. The end region of a stator is the most sensitive part to overheating. Stone Published in IEEE Transactions on Industry Applications IEEE standards and test procedures are widely used by motor and generator vendors and users to commission windings in new machines, as well as iees the condition of the winding insulation in operating machines.

Until recent revisions, the basic procedures and standards in use were written over 25 years ago.

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High – voltage DC tests for evaluating stator winding insulation: Online technique eiee insulation assessment of induction motor stator windings under different load conditions Majid MalekpourB.

The calculation of magnetic fields, the evaluation of eddy-current losses and the determination of loss-derived temperature increases, are challenging problems requiring the use of simulation methods.

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Detection of stator winding insulation failures: In order to address this methodology, a calculation method was developed to determine temperature increases in the last stator package.

Power uprates pose a threat to electrical 95-197 due to possible parasite effects that can develop potential failure sources with catastrophic consequences in most cases. Showing of 39 extracted citations. Significance of defects found during high direct voltage ramp tests.

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BlanquezCarlos A. This paper has 48 citations. On-line and off-line tests M. Uniform stepgraded stepand ramped test methods. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyIeed of Serviceand Dataset License. Dhirani, Electrical Insulation for Rotating Machines.

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World Journal of Engineering and TechnologyVol. Uniform step, graded step, and ramped test methods. This last scenario was also useful to test extrapolation accuracy.

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Showing of 7 references. At that point, the iees value will be compared to with the values obtained using finite elements method and multivariate regression.

Use of AC and DC hipot tests to assess stator winding insulation. Citations Publications citing this paper. Examples of stator winding partial discharges due to inverter drives. The mathematical model developed was based on an artificial intelligence technique, more specifically neural networks.

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Scientific Research An Academic Publisher. The method is applied to determine core-end temperature when power is uprated to Iere tests Interpretation logic R.

Understanding water treeing mechanisms in the development of diagnostic test methods. From This Paper Figures, tables, and topics from this paper. In that sense, it is important to pay close attention to overheating, which results from excessive system losses and cooling system inefficiency. Topics Discussed in This Paper.

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