Why use a VFD?
Energy savings, soft starting, process control and longer motor life — the core reasons variable frequency drives replaced direct-online starters.


Short, practical technical videos to help engineers and technicians understand Delta automation products and the fundamentals behind them.
Energy savings, soft starting, process control and longer motor life — the core reasons variable frequency drives replaced direct-online starters.
Rectifier, DC bus and IGBT inverter: how the drive rebuilds voltage and frequency to control motor speed and torque.