Chaos and Caffeine Episode 29 Bridging the Gap from Theory to Real World Reliability
In this episode we will have ChatGPT Juniper as our co-host - a fun little experiment and an attempt to go by a script (not very well). We discuss the…
Case Study Fault Analysis of a 55MVA 13-8kV Turbo Generator with EMPATH ESA ATPro7 and Electrom
A large steam turbine generator unit had repeated normal events and shutdowns following a history of disturbances, repair conditions, and balance conditions starting in 2019 until 2025. The most critical…
Chaos and Caffeine Episode 25 EMPOWER Vibration and MCSA with Peppermint Mocha
A review of the upcoming EMPOWER-VIB vibration analysis system and the EMPOWER-MCSA current signature analysis system available the first week in January, 2026. Includes the new features for time to…
Chaos and Caffeine Podcast 22 Holiday Coffee and the Real Purpose of the P to F Chart
We enjoy some chocolate and peppermint coffee while discussing the real original use of the P-F chart per Nowlan and Heap (https://motordoc.net/wp-content/uploads/2020/02/RCMOrig.pdf) and the expansion by Moubray in 'RCM II).…
CIGRE Croatia Paper Practical Application of Electrical and Current Signature Analysis in DFIG Turbine Systems Oct 14 2025
Abstract—On and off-shore wind generators and powertrain systems have significant reliability concerns that increase the operations and maintenance costs associated with ownership and affect individual tower availability. The primary failure…
MotorDoc VLOG 81 Practical Electrical and Current Signature Analysis for Electric Machines and Plagiarism
The presentation that was given at this year's EPRI CBMUG - and discussion of an unfortunate, but quickly becoming common, concern. In this presentation we will discuss the history of…
MotorDoc Vlog 80 Electrical Machinery Forensics An Intro
The course we gave at the 2025 IEEE Electrical Insulation Conference. The course starts with an overview of the RCFA process emphasizing the simple 5-why and complex analysis using PROACT.…
MotorDoc Vlog 79 Harmonics Impact on Electric System and Machine Reliability
Happy 250th birthday to the USA. In this vlog we discuss harmonics and their impacts on everything from lighting to bearings and even winding defects. This references an article on…
MotorDoc Vlog 77 An Intro to the Intent of IEEE 97 Diagnostic Test Methods of AC Electric Machinery with DC Voltage
P97/D6.3, is a draft guide from the Institute of Electrical and Electronics Engineers (IEEE) focusing on diagnostic test methods for AC electric machinery using direct voltage. It outlines various direct…
MotorDoc Vlog 76 Evaluation of Wind Turbine Electrical and Mechanical Defects Due to Nacelle Circulating Currents
Based on Dr. Penrose's IEEE EIC paper 'Evaluation of Wind Turbine Electrical and Mechanical Defects Due to Nacelle Circulating Currents,' as the practice session for the presentation. Introduction to how…