How to size and set up a VFD for conveyor loads, covering HD overload duty, breakaway torque, control method, braking and cable length.

How VFDs cut HVAC fan energy costs via the fan affinity laws, right-size to Normal Duty, and choose ABB, Siemens, or Schneider drives.

How a VFD saves energy on centrifugal pumps via the affinity laws, plus duty rating, PID/multi-pump control, dry-run protection, and sizing.

A ranked comparison of ABB, Schneider Electric, and Siemens VFD brands by control method, overload rating, fieldbus support, and total cost of ownership, plu...

ABB ACS580 general-purpose and ACS880 industrial VFDs share Direct Torque Control, but differ in overload class, regen capability and multidrive expansion.

A technical review of the Siemens SINAMICS V20 entry drive: power range, V/f-only control, communication, and where it wins or loses against G120C.

A technical comparison of the modular Siemens SINAMICS G120 and the fixed-housing G120C, covering control methods, safety options, fieldbus support and where...

A technical review of the Schneider Altivar ATV340 machine drive: power range, control dynamics, safety, communication, and overload ratings for OEM machine ...

An engineering-level review of every active Schneider Altivar VFD series, from the ATV12 micro drive to the cabinet-power ATV930, mapped by duty class, contr...

A working comparison of ABB's ACS drive lineup, from the entry ACS180 machinery drive to the ACS880 industrial DTC flagship, plus the ACH580 and ACQ580 appli...