Insulation material is one of the most critical parts of an electric motor.
Brithinee rewinds include insulation of DuPont™ NOMEX®.
Insulation Systems of NOMEX® provide excellent performance at high temperatures and
superior electrical and mechanical resistance, extending the life and reliability
of motors and generators.
Look for this label on motors rewound by Brithinee Electric.
Better Thermal Protection
Use of NOMEX® for ground insulation can prevent premature motor failure
and equipment downtime. This is because NOMEX® does not shrink, embrittle,
soften or melt during short-term exposure to temperatures as high as 300°C
and maintains good insulating properties continuously at 220°C for 10 years.
Motors may encounter temperatures considerably above their design ratings due
- Overloads, caused by reduced speeds or stalled rotors
- Restricted cooling (especially in dirty environments)
- Reduced line voltage or unbalanced phases
- Frequent starts and stops
- Unusually high ambient temperatures
The strength and resilience of NOMEX® papers help extend rotating equipment life in severe
operating conditions. These conditions include severe shock and vibration seen
in steel mill drives and railway traction motors, as well as the abrasion caused
by thermal expansion and centrifugal forces in standby gas-turbine generators.
Nomex Insulation Takes the Heat
For more information see NOMEX® Applications.
See the Brithinee DuPont/Nomex Case Study:
Brithinee Case Study
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