Motor and generator users get better life cycle services14 December 2010

Plant engineers using medium- and high-voltage motors and generators can now get help from a dedicated services team at ABB.

Peter Wright, manager of the new motors and generators life cycle business, says that users have access to specially trained engineers, with considerable on-line and off-line diagnostics equipment for predictive maintenance.

He says the team aims to offer best-practice advice and to optimise maintenance planning by moving from time-based to condition-based maintenance – thus extending a machine's lifetime and minimising unplanned downtime.

"These machines are always critical to the running of a plant and customers need reassurance that they will never let them down," comments Wright.

"As manufacturers of large machines, we have the best understanding of the special requirements that such machines need to work at their optimum capability."

Depending on the age of the installed machine, ABB offers a series of inspection levels from L1 to L4, with appropriate ABB-developed tools.

Wright says that one such tool is the life expectancy analysis program (LEAP), which assesses the condition of the stator winding insulation in electric machines. LEAP provides information on the condition and expected life of the stator winding and enables machine maintenance plans to be drawn up, he explains.

And he adds that, when LEAP is used together with estimates of the time needed to repair or replace components, service can be scheduled during planned downtime, rather than during a costly emergency.

"The new focus means that users of ABB and third party motors and generators will get the support they need to maximise the uptime of their application," says Wright.

"This activity gives motor and generator users easier access to the services we offer. It also gives us a more structured set-up that will ensure users have the serviceability levels and maintenance support they need."

Brian Tinham

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