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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IEEE Std (Revision of IEEE Std ): IEEE Recommended Practice – Google Books

From This Paper Figures, tables, and topics from this paper. Citations Publications citing this paper. Significance of defects found during high direct voltage ramp tests. High – voltage DC tests for evaluating stator winding insulation: Understanding water treeing mechanisms in the development of diagnostic test methods.

This paper has 48 citations. The end region of a stator is the most sensitive part to overheating. Dhirani, Electrical Insulation for Rotating Machines. Showing of 39 extracted citations.

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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. Diagnostic tests Interpretation logic Iewe.


By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License. Use of AC and DC hipot tests to assess stator winding insulation. Detection of stator winding insulation failures: Since the s, motor windings have iere many changes in their design and manufacture.

The method is applied to determine core-end temperature when power is uprated to BlanquezCarlos A. At that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression.

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World Journal of Engineering and TechnologyVol. Power uprates pose a threat to electrical generators due to possible parasite effects that can develop potential failure sources ieeee catastrophic consequences in most cases. The most usual methodology is the finite element method, or linear regression. The mathematical model developed was based on an artificial intelligence technique, more specifically neural networks. Uniform stepgraded stepand ramped test methods.

References Publications referenced by this paper. In that sense, it is important to pay close attention to overheating, which results from excessive system losses and cooling system inefficiency.


Skip to search form Skip to main content. In order to address this methodology, a calculation method was developed to determine temperature increases in the last stator package.

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 evaluate the condition of the winding insulation in operating machines. Showing of 7 references. Until recent revisions, the basic procedures and standards in use were written over 25 years ago. Examples of stator winding partial discharges due to inverter drives. Topics Discussed in This Paper.


Online technique for insulation assessment of induction motor stator windings under different load conditions Majid MalekpourB. Uniform step, graded step, and ramped test methods. Scientific Research An Academic Publisher.

On-line iewe off-line tests M. This last scenario was also useful to test extrapolation accuracy.