IEEE 95-1977 PDF

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 ieee parasite effects that can develop potential failure sources with catastrophic consequences in most cases. At that point, the temperature value will be compared to with the values obtained using finite elements method and multivariate regression. 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. This last scenario was also useful to test extrapolation accuracy. World Journal of Engineering iefe TechnologyVol. Uniform stepgraded stepand ramped test methods. Showing of 39 extracted citations.


The end region of a stator is the most sensitive part to overheating. On-line and off-line tests M. Uniform step, graded step, and ramped test methods. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License. Topics Discussed in This Paper. Skip to search form Skip to main content. In that sense, it is important to pay close attention to overheating, which results from excessive system losses and cooling system inefficiency.

Dhirani, Electrical Insulation for Rotating Machines.

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Significance of defects found during high direct voltage ramp tests. Until recent revisions, the basic procedures and standards in use were written over 25 years ago.

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.

The most usual methodology is the finite element method, or linear regression.

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This paper has 48 citations. Use of AC and DC hipot tests to assess stator winding insulation. Citations Publications citing this paper.


References Publications referenced by 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.

Showing of 7 references. Diagnostic tests Interpretation logic R. Understanding water treeing mechanisms in the development of diagnostic test methods. Scientific Research An Academic Publisher. Examples of stator winding partial discharges due to inverter drives.

Detection of stator winding insulation failures: BlanquezCarlos A. The method is applied to determine core-end temperature when power is uprated to From This Paper Figures, tables, and topics from this paper. Online technique for insulation assessment of induction motor stator windings under different load conditions Ieer MalekpourB.

High – voltage DC tests for evaluating stator winding insulation: The mathematical model developed was based on an artificial intelligence technique, more specifically neural networks.