Motor Test Evaluate Thermal Endurance of Class-H Insulation and Silicone Varnish

Grant, George; Kauppi, Timo; Moses, G. L.; Gibson, G. P.

doi:10.1109/t-aiee.1949.5060063

Cited by 11 publications

(3 citation statements)

References 5 publications

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Section: Case Study 2: Emd 2 With Ac Induction Motormentioning

confidence: 99%

“…However, if any combination of them exceeds the design capacity, then the life of the system may be drastically diminished, and catastrophic failure could occur. There are many factors that will lead to these root causes, the most common ones being the following [13–15]: Heat. Power supply anomalies. Environmental. Improper lubrication. Unusual mechanical loads. Fig. 5 shows the distribution of failures in the EMD system, in general, based on a field survey and a failure databank.…”

Section: Defining Failure Modes From Actual Hydrocarbon Plant Data mentioning

confidence: 99%

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Reliability modelling and assessment of electric motor driven systems in hydrocarbon industries

Badawi

Al-Muhaini

2015

IET Electric Power Applications

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Reliability is a significant performance index for any electrical equipment in the industry, especially for electric motor driven (EMD) systems. Modelling the reliability of an EMD system is a difficult and challenging task. However, based on field data, the dominant failure modes of some motor system parts can be used to develop a simple and credible reliability model. This study proposes a failure rate prediction model for an EMD system that is currently in use in hydrocarbon industries. In addition, a fault tree model was designed to identify the root causes of the failures and the failure mechanism of the most dominates failure modes in EMD systems. To accomplish the study's objectives, an existing failure databank of over 100 failures of EMD systems was collected and surveyed from the field. The historical information and failure rate models that were collected for the electric motors are investigated and used to model the prediction model of the EMD system. Three competing failure modes were found to dominate motor life: bearing failures, winding failures and shaft failures. A mathematical model for each of these failure modes with dominant variables is developed, and a risk failure model is established.

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Section: Case Study 2: Emd 2 With Ac Induction Motormentioning

confidence: 99%

Section: Defining Failure Modes From Actual Hydrocarbon Plant Data mentioning

confidence: 99%

Reliability modelling and assessment of electric motor driven systems in hydrocarbon industries

Badawi

Al-Muhaini

2015

IET Electric Power Applications

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show abstract

“…The final results of accelerated life testing of Class H motors reported by one group of investigators indicate at least 7 years of continuous operation at a hot spot temperature of 220°C. (5). Thus, the Bureau's adoption of 200°C.…”

Section: Impervious Sheath 7 Braided Wire Armor and Paintmentioning

confidence: 99%

Silicones in Naval Shipboard Electrical Equipment

Walker¹,

Lear²

1954

Ind. Eng. Chem.

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Silicone resins, fluids and elastomers in insulation for use at power frequencies

Renwick

Reed

1953

Proceedings of the IEE - Part IIA: Insulating Materials

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Motor Test Evaluate Thermal Endurance of Class-H Insulation and Silicone Varnish

Cited by 11 publications

References 5 publications

Reliability modelling and assessment of electric motor driven systems in hydrocarbon industries

Reliability modelling and assessment of electric motor driven systems in hydrocarbon industries

Silicones in Naval Shipboard Electrical Equipment

Silicone resins, fluids and elastomers in insulation for use at power frequencies

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