Case Study Evaluation of a Cooling Tower Motor, Gearbox, Blades and Power Quality with EMPATH

The issues identified in this case study include a high 1X RPM which would be related to the misalignment found across the drive shaft from the motor to the gearbox.  The peaks on either side of line frequency are at the output speed of the gearbox and the red arrows are indicators of blade issues. …

Rotor Bar Fault Trend with EMPATH Electrical Signature Analysis

In this case study white paper we show the basics of trending a rotor bar fault and the various conditions surrounding the problem plus a view at the capability to look further than just the motor.  The motor in question is a 4000hp, 1790 RPM, 4160 Vac, induction motor, gearbox and compressor.  The fault was…

MotorDoc LLC and Framatome Introduce Continuous Electrical Signature Analysis

Effective October, 2018, MotorDoc LLC and Framatome have entered into an agreement providing Continuous Monitoring Electrical Signature Analysis in the form of the EmpathCMS (EMPATH Continuous Monitoring System). EmpathCMS provides the ability to monitor your entire electric motor system from the inside out using the electric machine as the transducer covering incoming power to driven…