Why Does a VFD Trip on Ground Fault?
A VFD Ground Fault trip indicates an abnormal current path…
Category VFD
Read MoreWhy Does a VFD Trip on Ground Fault?
Did Motor Torque Drop After Installing a VFD?
Possible Causes, Diagnosis, and Practical Solutions Short Description After installing…
Motor Overheating with VFDs
Causes, Diagnosis, and Practical Solutions Short Description A motor can…
VFD Braking Methods
A practical engineering guide to VFD stopping and braking methods,…
Output Reactor vs dV/dt Filter vs Sine Wave Filter
Long motor cables can increase voltage reflections, leakage current, insulation…
One VFD for Multiple Motors: Is It Safe?
Using one Variable Frequency Drive (VFD) to operate multiple motors…
V/F Control vs Vector Control
V/F control and vector control are two common motor-control methods…
Braking Resistor Selection for VFD Applications
Executive Overview: This technical white paper explains how dynamic braking…
VFD for Fans and Blowers
Introduction Fans and blowers are widely used in HVAC systems,…