Five Large AWG Symmetrical Variable Frequency Drive (VFD) cables and five Signal Brake Pair VFD cables have been added to the vendor’s line of flexible VFD cables for industrial AC motor drive ...

This article compares three schemes of fan control used on large air conditioning and refrigeration condensers. The first scheme is step control; the second is a hybrid with a VFD on only one bank of ...

An integrated VFD with sensorless control has been added to Series 80™ & 80-SC™ in-line pumps. According to the manufacturer, the variable-speed drive sensorless controller utilizes the latest ...

A Variable Frequency Drive (VFD) regulates the speed of a 3-phase AC electric motor by controlling the frequency and voltage of the power it delivers to the motor. These devices, also known as ...

This Variable Frequency Drive (VFD) Companies Quadrant offers an in-depth analysis of the global market landscape for VFDs, profiling key market players, technological advancements, product ...

All questions and answers are based on the 2011 NEC. Q. What is the Code rule for motor control circuit overcurrent protection? A. Motor control conductors that aren’t tapped from the branch circuit ...