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NEMA VFD Enclosure Ratings

NEMA VFD Enclosure Ratings

Trevor Fullwood 20/03/2014 0
NEMA Type Definition 1 General-purpose. For indoor use. Provides a degree of protection to personn...
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IP VFD Enclosure Ratings

IP VFD Enclosure Ratings

Trevor Fullwood 20/03/2014 0
The Ingress Protection Rating (IP) consists of the letters IP followed by two digits. IP Code classifies and rates the degrees of protection provided ...
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How to Specify a Variable Frequency Drive

How to Specify a Variable Frequency Drive

Luke Lancaster 20/03/2014 2
Table of ContentsLoad Type for Variable Frequency Drives Motor Information Supply Power Control Methods for Variable Frequency Drives Speed R...
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How to Mount a Mitsubishi VFD Parameter Unit

How to Mount a Mitsubishi VFD Parameter Unit

Trevor Fullwood 20/03/2014 0
Keypads for variable frequency drives (vfd) allow equipment operators to quickly change, update, or modify how a vfd controls the motor. Often thes...
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How to Read a Motor Nameplate

How to Read a Motor Nameplate

Trevor Fullwood 20/03/2014 15
CT: VT: MODEL NO./SERIAL NO. HZ LOW VOLTAGE EFF. TYPE S.F. DESIGN HP RPM CODE DUTY ...
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High Voltage Spike (dV/dt) and Motor Protection Methods

High Voltage Spike (dV/dt) and Motor Protection Methods

Craig Hartman 20/03/2014 0
There are two different phenomena that can create high dV/dt and high peak voltages.Reflective Wave PhenomenonVoltage wave reflection is a functi...
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Benefits of VFDs, Inverters, & Drives

Benefits of VFDs, Inverters, & Drives

Craig Hartman 20/03/2014 6
Table of ContentsEnergy Savings with Variable Speed Drives Variable Torque Versus Constant Torque Why Variable Torque Loads Offer Great Energy ...
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Bearing Currents

Bearing Currents

Craig Hartman 20/03/2014 0
Courtesy AegisMotor bearings have a higher failure rate when the motor is run with a VFD. This is due to currents in the motor bearings. The clas...
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VFD Buying Guide

VFD Buying Guide

Paul Rossiter 18/01/2014 44
So you’d like to pick up a new Variable Frequency Drive (VFD)? Finding the perfect VFD or motor controller can be a fairly daunting task as there ...
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