Survey on Condition Monitoring of Electrical Machines

Survey













*2. What is the total installed capacity of Electrical Machines at your plant?
< 10MW  10 - 50MW  50-150MW  >150MW

*3. How many machines rated at 3300 Volts and above are installed in your plant?
< 20  21 - 50  51 - 100  100 - 1000
>1000

*4. What is the age of your plant ?
< 5 Yrs  5 - 15 Yrs  15 - 25 Yrs  > 25 Yrs

*5. What parameters are monitored in your planned maintenance program?
Plant Availability
No. of failures or failure rate
MDT (Mean Downtime)
OEE ( Overall Equipment Effectiveness)
None of the above  



*6. Which Condition Based Monitoring techniques do you use for your Machines?
Vibration analysis
Motor Current Signature Analysis
Offline Insulation testing
Online Partial Discharge Measurements
Grease/Oil Analysis
Infrared thermography
Human Senses  



*7. How did you implement your condition based monitoring system?
Using Only Internal company expertise and resources
An external consultant was contracted
It was supplied and fitted by a vendor
A mixture of the above  



*8. We implemented Condition Based Monitoring to reduce the number of unscheduled Machine breakdown?
Strongly Agree
Agree
Does Not Apply or Do Not Know
Neutral

*9. Our business adopted Condition Based Monitoring to save money?
Strongly Agree
Agree
Neutral
Does Not Apply or Do not Know
Disagree
Strongly Disagree

*10. Our business adopted Condition Based Monitoring to improve the organizations competitiveness?
Strongly Agree
Agree
Neutral
Does not Apply or Do Not Know

*11. Is your condition based monitoring system connected to a network for remote access?
No
Yes

*12. Can your condition based monitoring system be accessed through a company Intranet or over the Internet?
No
Yes

*13. Does your Condition Based Monitoring System completely meet expectations?
Strongly Agree
Agree
Neutral
Disagree
Strongly Disagree
Does not Apply or Do not know

*14. If you had installed an On-Line Monitoring system for your HT Motors, what are the most likely benefits, (if any) that could be obtained in your plant?
Avoid near - Catastrophic failures
Minimize the downtime
Help to take timely preventive action
Provide Information on Remaining Life of the machine
Deliver Significant cost savings
Schedule Maintenance Plans
Manage Spare Parts
Indicate Prospects for Life Extension
Provide inputs for Life Cycle Costs
None of the above  



*15. What would you like to see in the future (within the next 5 years)?
Web based Condition Monitoring (CM)
More Intelligence in CM Systems/Expert System/ Prognostics
Direct Integration of CM into maintenance planning/CMMS
Integration of CM with financial decision models
Satisfied with present system  

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