Keeping generator testing under control

Cummins Power Generation designs, companies, sells, and services diesel powered engines and related technologies. Its Fridley, Minn., service produces generators that vary from consumer models to medium-voltage multimegawatt prime power power generators.

Cummins approached load financial institution manufacturer Crestchic Inc., to develop a custom 3 MVA load bank for an incorporated test cell project. They in Fridley wanted the test cell that would last a minimum of 20 yr and be able to maintain future technological demands as well as safety requirements.

Figure one: The photo shows the burden banks installed on top of the step-down transformer. Courtesy: Crestchic Inc. In response to this specification, the producer recently installed the 4 new load banks having a combined capacity of six, 400 kVA; they are made to operate seamlessly with a Crestchic-designed automatic step-down transformer bundle (see Figure 1). The burden bank test cell has got the capacity for testing generators along with outputs that range from one hundred ninety V to 14, 000 V at 50/60 Hertz.

The large voltage range is going to be selected and adapted instantly via Cummins PLC-based handles, which means there is no requirement for human being contact while reconfiguring trouble and capturing performance information. This will be accomplished using Crestchic's software and hardware anatomist integration with the Cummins manage and monitoring architecture.

Manage systems for testing precision

Incorporating a standardized software program and hardware platform together with MODBUS capability supports the mixing of the existing Cummins automatic testing software, which functions seamlessly with the test topic and test equipment. Crestchic implemented its standardized handle system that incorporates unnecessary safety features, an area of specific interest to Cummins.

Not just has the safety element of the actual control systems improved the particular testing process at Cummins, the speed of testing continues to be improved significantly through the execution of the Crestchic control techniques. Crestchic load banks supply the ability to use Cummins examination software to save specific masse profiles. In turn, this has efficient the test process by robotizing the complete test sequence, enhancing overall test time.

Task support

It was of substantial importance to Cummins that this load bank provider utilize appropriate equipment and elements for the application required. Like the use of oil-filled transformers and also tap changers that are usually used in utility power submission applications was integral. The producer also provided relevant along with comprehensive documentation for the gear specified ahead of the scheduled shipping. This allowed Cummins to get ready for its arrival in advance in addition to minimize downtime risks. Additionally , standardized equipment ensures the best maintenance and spares administration.

"Cummins Fridley seeks secure and reliable equipment for the test cells, " stated Raj Nolambur, manufacturing task engineering manager at Cummins Fridley. "The Crestchic architectural team understood this requirement of which they designed and acquired the appropriate components. The having support demonstrated by Crestchic was second-to-none on this job. "

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