Dynamic Ratings Inc. N53 W24794 S. Corporate Circle, Suite A Sussex, WI 53089 Tel: +1 (262) 746-1230 Fax: +1 (262) 746-1232 www.dynamicratings.com Monitoring, Control and Communications for Electrical Power Apparatus On-line, Partial Discharge Monitoring Saves $91,000.00, 6.6 kV Motor ? CASE STUDY Challenge An International customer used 6.6kV motors to drive critical compressors whereby its operation is crucial to their operations. The customer has been using a Rotating Machine Monitor (RMM) continuous partial discharge (PD) monitoring system for years. Using data collected by the RMM, analysis of the data showed (graph below) a fast increase in PD levels from the one of the resistive temperature device (RTDs). Solution The RMM provided cr

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