IEEE 95-1977 PDF

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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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Showing of 39 extracted citations. Online technique for insulation assessment of induction motor stator windings under different load conditions Majid MalekpourB.

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

Showing of 7 references. Understanding water treeing mechanisms in the development of diagnostic test methods. Skip to search form Skip to main content. Uniform step, graded step, and ramped test methods.

This last scenario was also useful to test extrapolation accuracy. The most usual methodology is the finite element method, or linear regression. Topics Discussed in This Paper. In order to address this methodology, a calculation method was developed to determine temperature increases in the last stator package.

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The mathematical model developed was based on an artificial intelligence technique, more specifically neural networks. World Journal of Engineering and TechnologyVol. In that sense, it is important to pay close attention to overheating, which results from excessive system losses and cooling system inefficiency. From This Paper Figures, tables, and topics from 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. The end region of a stator is the most sensitive part to overheating. The 59-1977 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.

The method is applied to determine core-end temperature when power is uprated to High – voltage DC tests for evaluating stator winding insulation: On-line and off-line tests M. Since the s, motor windings have encountered many changes in their design and manufacture. Diagnostic isee Interpretation logic R.

References Publications referenced by this paper. Uniform stepgraded stepand ramped 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.

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Significance of defects found during high direct voltage ramp tests. Iees that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression. Dhirani, Electrical Insulation for Rotating Machines.

Scientific Research An Academic Publisher. Detection of stator winding insulation failures: Use of AC and DC hipot tests to assess stator winding insulation.

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

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By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License. Examples of stator winding partial discharges due to inverter drives. Citations Publications citing this paper. This paper has 48 citations.