In the first of ABB Large Motors and Generators “Industry Insights” interviews, Heikki Vepsäläinen, President, Large Motors and Generators at ABB, sat with Sushil Purohit, President, Wärtsilä Energy, to discuss what motivates and drives themselves and the industry, in the global shift towards renewable energy and a Net-zero future.

Agenda:

1. Vibrations
- Why vibrations are harmful
- Physical phenomena
- Terminology
- International standards

2. Vibration measurement
- Measuring instruments
- Proximity transducers
- Seismic transducers

3. Lateral critical speeds
- Definition
- First and second lateral mode
- Standards
- Well damped critical speed
- Critical speed control and calculation

4. Motor foundation
- Requirements 
-Influence on dynamics

• Bearing calculations 
• Bearing type selection 
• Lubricant properties and selection 
• How ABB leads the way in bearing technology

• Explosive atmosphere
• Hazardous area certifications and relevant standards
• Certification schemes
• Equipment Protection Level
• Applicable IEC Ex standards
• National standards
• Ex products standards, basic motor design and requirements
• Value proposition of different Ex protections