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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Scientific Research An Academic Publisher. Dhirani, Electrical Insulation for Rotating Machines. At that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression.

Examples of stator winding partial discharges due to inverter drives. 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.

Citations Publications citing this paper. The mathematical model developed was based on an artificial intelligence technique, more specifically neural networks. From This Paper Figures, tables, and topics from this paper.

Until recent revisions, the basic procedures and standards in use were written over 25 years ago. Since the s, motor windings have encountered many changes in their design and manufacture.

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

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Use of AC and DC hipot tests to assess stator winding insulation. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License. Showing of 39 extracted citations. This last scenario was also useful to test extrapolation accuracy. World Journal of Engineering and TechnologyVol. The most usual methodology is the finite element method, or linear regression.

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On-line and off-line tests M. Online technique for insulation assessment of induction motor stator windings under different load conditions Majid MalekpourIeee. BlanquezCarlos A.

The method is applied to determine core-end temperature when power is uprated to Uniform step, graded step, and ramped test methods. Uniform stepgraded stepand ramped test methods.

This paper has 48 citations. Detection of stator winding insulation failures: 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 R. Skip to search form Skip to main content. High – voltage DC tests for evaluating stator winding insulation: The end region of a stator is the most sensitive part to overheating. Significance of defects found during high direct voltage ramp tests.

Showing of 7 references.

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

Understanding water treeing mechanisms in the development of diagnostic test methods. Power uprates pose a threat to electrical generators due to possible parasite effects that can develop potential failure sources with catastrophic consequences in most cases. Topics Discussed in This Paper.

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.