Technician performing circuit board repair on industrial drive control board
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Circuit Board Repair: Cut Downtime, Control Costs

Estimated reading time: 6 minutes Downtime hurts revenue, reputation, and worker confidence. Consequently, facility managers scramble when a drive control card or PLC module fails without warning. Instead of ordering a replacement that may…
VFD for pumps energy‑savings example
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VFD for Pumps: Benefits, Setup & Best Practices

Estimated reading time: 5 minutes Installing a VFD for pumps in an industrial facility is no longer optional; it is the fastest way to cut electricity costs and stabilize production. Because pumps rarely need to run at full speed all day,…
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…
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,…
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…

Lenze Drives

Rapidly changing times present manufacturers with new and varied challenges. To succeed in the future, manufacturers will need to handle more extensive tasks in even shorter time frames. Lenze drives create the best possible solution to set…

Inverter Drives

Inverter drives are also known as variable frequency drives, VFD's, variable speed drives, adjustable frequency drives, AFD's, adjustable speed drives and ASD's. Inverter drives are solid state motor control systems used to regulate the speed…

What is a Variable Speed Drive?

Variable speed drives are also known as variable frequency drives, VFD's, adjustable speed drives,  and inverters. Variable speed drives are solid state motor control systems used mainly for industrial manufacturing. Variable speed drives are…

Industrial Control Cabinet Design & Manufacturing

We've Been Servicing the Industrial World Since 1983. Minimize Your Downtime. Maximize Your Productivity. Call Toll Free: 1.877.625.2402 For more than 27 years Precision Electric, Inc has been a recognized leader in the design and…

Lenze EtherNet/IP for SMVector

Lenze-AC Tech announces the release of EtherNet/IP as an optional communication protocol for the SMVector Drive. According to Mike Bailey, Product Sales Manager at Lenze-AC Tech, the SMVector AC Drive can seamlessly operate on an EtherNet/IP…

VFDs How Do I Calculate RPM For Three Phase Induction Motors?

FAQ :: VFDs | How Does A Variable Frequency Drive Work?

An AC Variable Frequency Drive (VFD) is commonly referred to as an “Inverter”. This is because of the way a VFD works.  The following details the inner workings of a VFD: Alternating Current (AC) power is applied to the input…