Phase Technologies Essential Series - Introduction

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INTRODUCTION
Essential Series variable frequency drives (VFDs) are inverter based devices that provide
speed control for two- and three-wire, single-phase, AC motors. The drives offer advanced
motor control features through an intuitive, easy-to-use interface.
Essential Series Design
The diagrams in Figure 1 and Figure 2 illustrate the basic function of the Essential Series
drives for 2 & 3 wire single phase motors.
Figure 1 – Essential Series 2-Wire Block Diagram
Figure 2 – Essential Series 3-Wire Block Diagram