Siemen’s – Harmonic Solution Guide

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?...

Siemens – IEEE-519 Harmonic Mitigation Guidelines

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...

Siemens – Motor Protection Guide

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...

Siemens – Common Mode Overview and Reduction Guide

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...

Siemens – Motor Bearing Protection Guide

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...