by MTE Admin | Mar 2, 2018 | Uncategorized
Flipbooks & Downloadable Versions of MTE’s Three Catalogs MTE’s three catalogs provide comprehensive overviews of all of our Power Quality Products – Reactors, Motor Protection Filters, and Harmonic Filters. Each one includes product summaries...
by MTE Admin | Jul 31, 2017 | Uncategorized
Power quality solutions for line side harmonic distortion with Siemens’ VFDs What are Harmonics? Harmonics can be best described as the shape or characteristics of a voltage or current waveform relative to its fundamental frequency. But what does that mean?...
by MTE Admin | Jul 31, 2017 | Uncategorized
How Siemens’ Customers Can Meet IEEE-519 Guidelines IEEE-519 is a system guideline for setting limits on voltage and current distortion. This document outlines the changes in IEEE-519 relative to harmonic mitigation. ABOUT IEEE-519 2014 REVISION The last version...
by MTE Admin | Jul 31, 2017 | Uncategorized
Load-side solutions for power quality in systems using Siemens’ Variable Frequency Drives How Variable Frequency Drives (VFDs) Work VFDs serve as a way of controlling the speed of AC motors by varying the frequency of the power source using pulse width...
by MTE Admin | Jul 31, 2017 | Uncategorized
Customer’s using Siemen’s VFDs Can Understand How to Reduce Common Mode To start off, common mode is bad. Common mode voltage is created by Variable Frequency Drives (VFDs) that serve as a way of controlling the speed of AC motors by varying the frequency...
by MTE Admin | Jul 31, 2017 | Uncategorized
Customers Using Siemen’s VFDs can benefit from the dV Sentry™ filter A common method across industries is to use a shaft grounding brush or ring to protect motor bearings from common mode over voltage. A shaft grounding brush is not a filter, so it does not help...
