VFD screen indicating a Ground Fault alarm
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VFD Ground Fault & Short-Circuit Trips: Causes & Solutions

Estimated reading time: 11 minutes Ground fault and short-circuit trips in VFDs are common but often confusing events for drive users. In a VFD, these faults appear suddenly and can stop the motor immediately. This often leaves operators…
VFD Overvoltage Fault - troubleshooting variable frequency drives

VFD Overvoltage Fault – troubleshooting variable frequency drives

A VFD overvoltage fault is fairly common with VFD regular usage. This fault may arise at different places and times for several reasons. The first step in resolving the problem is identifying when and where the fault occurs. A VFD overvoltage…
cutler-hammer-vfd-fault-codes

Cutler Hammer VFD Fault Codes: Current and Overcurrent Protection

Cutler Hammer VFD Fault Codes, current control and overcurrent protection on the 9000X drive is based on motor current measurement in all three phases. In the FR9/CH61 and above drives, the current sensors are built into the IGBT SKIP modules,…
Eaton VFD System Drives

Eaton VFD System Drives

Eaton VFD system drives can reduce energy consumption from 10 to 50 percent by reducing the speed of an electric motor to its needed output speed. With reduced energy consumption, utility expenses are reduced and within a few months, the investment…
Hitachi VFD Drives
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Hitachi VFD Drives

Hitachi VFD drives can be utilized for a wide range of industrial applications. Hitachi VFD drives are equipped with several advanced features, and deliver unprecedented performance, reliability, and flexibility. Hitachi VFD drives are a result…
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Eaton HVAC Frequency Drives

Eaton HVAC frequency drives were specifically engineered for HVAC, pump and fluid control applications. The power unit makes use of the most sophisticated semiconductor technology and a highly modular construction that can be flexibly adapted…
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Eaton power board failure

This article has been updated and re-posted at https://www.precision-elec.com/eaton-power-board-failure-2-2/ Eaton power board failure is a common problem among Eaton drive users. The main reason most Eaton drives fail is due to power board…
VFD Manufacturers in the United States - ABB

VFD Manufacturers

When choosing VFD manufacturers for motor speed control equipment in production, it is recommended by Precision Electric to choose VFD manufacturers who offer extensive technical support for their products. Precision Electric recommends using…
VFD Manufacturers in the United States - ABB

SMV Drive

We've Been Servicing the Industrial World Since 1983. Minimize Your Downtime. Maximize Your Productivity. Call Toll Free: 1.877.625.2402 The new Lenze-AC Tech SMVector range of inverter drives offer sophisticated auto-tuning, fast dynamic…
VFD Manufacturers in the United States - ABB

Allen Bradley Alternative

We've Been Servicing the Industrial World Since 1983. Minimize Your Downtime. Maximize Your Productivity. Call Toll Free: 1.877.625.2402 Customers of Precision Electric who use Allen Bradley products typically get frustrated when they…
VFD Manufacturers in the United States - ABB

Inverter Duty Motors VS General Purpose Motors

General purpose AC motors have been around for many years. An inverter-duty motor is a much newer concept that became necessary as motors began to be driven by variable frequency drives. An inverter-duty motor can withstand the higher voltage…
VFD Manufacturers in the United States - ABB

SMV Parameter Setup & High Frequency Output

Setting up SMV Drive Parameters 1. Enter the “edit parameter mode” by: a. With the drive powered up the display should read “Stop”. b.  Press the M key once.  The drive will flash “PASS” then display “0000” c. …