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IEEE 95-1977 PDF

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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This paper has 48 citations. High – voltage DC tests for evaluating stator winding insulation: Examples of stator winding partial discharges due to inverter drives. Power uprates pose a threat to 9-1977 generators due to possible parasite effects that can develop potential failure sources with catastrophic consequences in most cases.

Detection of stator winding insulation failures: The end region of a stator is the most sensitive part to overheating. In order to address this methodology, isee calculation method was developed to determine temperature increases in the last stator package.

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

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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. Scientific Research An Academic Publisher.

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Online technique for insulation assessment of induction motor stator windings under different load conditions Majid MalekpourB. 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 iwee machines.

Citations Publications citing this paper.

This last scenario was also useful to test extrapolation accuracy. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License.

References Publications referenced by this paper. BlanquezCarlos A.

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Since the s, motor windings have encountered many changes in their design and manufacture. Understanding water treeing mechanisms in the development of diagnostic test methods. Use of AC and DC hipot tests to assess stator winding insulation.

World Journal of Engineering and TechnologyVol. The most usual methodology is the finite 95-977 method, or linear regression.

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Showing of 7 references. Significance of defects found during high direct voltage ramp tests. The mathematical model ieef was based on an artificial intelligence technique, more specifically neural networks.

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The method is applied to determine core-end temperature when power is uprated to Showing of 39 extracted citations. From This Paper Figures, tables, and topics from this paper. Skip to search form Skip to main content.

On-line and off-line tests M. Dhirani, Electrical Insulation for Rotating Machines. Uniform step, graded step, and ramped test methods. At that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression.

Diagnostic tests Interpretation logic R.

Uniform step ieee, graded stepand ramped test methods. 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.