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Measuring Inrush Current with an Oscilloscope, Circuit Breakers and Clamp Meters

Please support my content creation by using my Amazon Store: http://astore.amazon.com/m0711-20 ----------------------------- Click "Show more" ------------------------------------------ In this video I use an oscilloscope to measure the inrush current caused by an induction motor starting with a variable speed drive (VFD). I do this to show some of the challenges clamp meters can face getting this measurement as an RMS reading when there is distortion of the waveform. I also explain how an electrothermal circuit breaker works by preventing overloads and short circuits. Circuit breaker instantaneous tripping current, should it be RMS or peak current? Equipment used: Agilent / Keysight DSO-X 2000 Oscilloscope HT Instruments HT9022 Power Clamp Meter Yokogawa CW10 Power Clamp Meter Fluke 43B Power Quality Analyzer Thermal magnetic circuit breaker Useful links: Circuit Breakers - How they Work, What's Inside :    • Circuit Breakers - How they Work, Wha...   Circuit Breakers: http://en.wikipedia.org/wiki/Circuit_... ------------------------------------------------------------------------------------------------------ My website and forum:- http://www.mjlorton.com Donations and contributions:- http://www.mjlorton.com My techie channel MJLorton - Solar Power and Electronic Measurement Equipment -    / mjlorton   My Techie Amazon Store: http://astore.amazon.com/m0711-20 My other channel VBlogMag - For almost any topic under the sun! -    / vblogmag   My VBlogMag Amazon Store: http://astore.amazon.com/vblogmag-20 ------------------------------------------------------------------------------------------------------ =================================================== Video sponsor, Pass Ltd - their websites: At checkout use the discount / promotion code "mjlorton" for 5% off. http://www.tester.co.uk/?cmid=QmhzQjc... - Test Equipment and Test-meter suppliers and http://www.calibrate.co.uk/?cmid=Qmhz... - Calibration and service of test equipment =================================================== $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ Bitcoin (BTC) Donations: 1K7PeF55e7ssE7W3WVCoa7c4j2PHzy6ASv $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ ********************************************************************************** Music clip from Youtube Music Library - Phase Three by Huma-Huma **********************************************************************************