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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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. Uniform step, graded step, and ramped test methods.

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This last scenario was also useful to test extrapolation accuracy. Examples of stator winding partial discharges due to inverter drives. Topics Discussed in This Paper. World Journal of Engineering and TechnologyVol. This paper has 48 citations. 95-11977

Diagnostic tests Iees logic R. Iee of stator winding insulation failures: The most usual methodology is the finite element method, or linear regression. Online technique for insulation assessment of induction motor stator windings under different load conditions Majid MalekpourB.


Until recent revisions, the basic procedures and standards in use were written over 25 years ago. In that sense, it is important to pay close attention to overheating, which results from excessive system losses and cooling system inefficiency.

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Uniform stepgraded stepand ramped test methods. Significance of defects found during high direct voltage ramp tests. The calculation of magnetic fields, the evaluation of eddy-current losses and the determination 95-9177 loss-derived iere increases, are challenging problems requiring the use of simulation methods.

By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License. On-line and off-line tests M. The end region of a stator is the most sensitive part to overheating.

Stone Published in IEEE Transactions on Industry Applications IEEE standards and test procedures iwee 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. Use of AC and DC hipot tests iede assess stator winding insulation. The method is applied to determine core-end temperature when power is uprated to At that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression.


References Publications referenced by this paper.

Since the s, motor windings have encountered many changes in their design and manufacture. Skip to search form Skip to main content. High – voltage DC tests for evaluating stator winding insulation: Scientific Research An Academic Publisher. In order to address this methodology, a calculation method was developed to determine temperature increases in the last stator package. From This Paper Figures, tables, and iede from this paper.

ANSI/IEEE Std IEEE Recommended Practice for Insulation Testing of – Google Books

Citations Publications citing this paper. Showing of 7 references. Understanding water treeing mechanisms in the development of diagnostic test methods.

Showing of 39 extracted citations. Dhirani, Electrical Insulation for Rotating Machines.

The mathematical model developed was based on an artificial intelligence technique, more specifically neural networks.