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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In that sense, it is important to pay close attention to overheating, which results from excessive system losses and cooling system inefficiency.

Scientific Research An Academic Publisher. Uniform stepgraded stepand ramped test methods. References Publications referenced by this paper.

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. BlanquezCarlos A.

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Citations Publications citing this paper. From This Paper Figures, tables, and topics from this paper.

This last scenario was also useful to test extrapolation accuracy. Stone Published in IEEE Transactions on Industry Applications IEEE standards iree 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 mathematical model developed was based on an artificial intelligence technique, more specifically neural networks. By clicking accept or continuing to use the 95-19977, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License.


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Showing of 39 extracted citations. 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 ieee simulation methods.

Significance of defects found during high direct voltage ramp tests. The method is applied to determine core-end ieew when power is uprated to The end region of a stator is the most sensitive part to overheating.

World Journal of Engineering and TechnologyVol. This paper has 48 citations. Uniform step, graded step, and ramped test methods. Until recent revisions, the basic procedures and standards in use were written over 25 years ago. High – voltage DC tests for evaluating stator winding insulation: Since the s, motor windings have encountered many changes in their design and manufacture. Online technique for insulation assessment of induction motor stator windings under different load conditions Majid MalekpourB.

Diagnostic tests Interpretation logic R. At that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression. The most usual methodology is the finite element method, or linear regression.


Showing of 7 references. Detection of stator winding insulation failures: Examples of stator winding partial discharges due to inverter drives.

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Use of AC and DC hipot tests to assess stator winding insulation. Topics Discussed in This Paper. On-line and off-line tests M. Dhirani, Electrical Insulation for Rotating Machines. In order to address this methodology, a calculation method was developed to determine temperature increases in the last stator 95-197.

Understanding water treeing mechanisms in the development of diagnostic test methods.