What is VFD / VSD Constant Pressure Booster Pump Inverter?

A variable frequency drive (VFD) / variable speed drive (VSD) Constant Pressure Booster Pump Inverter is used to adjust pressure or flow to the actual demand. It controls the frequency of the electrical power supplied and adjusts the speed of motor rounds per minute (RPM) to a pump. Significant power consumption savings can be achieved when using a VFD / VSD Constant Pressure Booster Pump Inverter.

A variable frequency drive (VFD) / variable speed drive (VSD) Constant Pressure Booster Pump Inverter is a system to control the rotational speed of an alternating current (AC) electric motor. It controls the frequency of the electrical power supplied to the motor. A variable frequency drive (VFD) / variable speed drive (VSD) Constant Pressure Booster Pump Inverter is a specific type of adjustable-speed drive. Variable frequency drives (VFD) / variable speed drives (VSD) are also known as adjustable frequency drives (AFD), AC drives, or inverter drives.

A variable frequency drive (VFD) / variable speed drive (VSD) Constant Pressure Pump Inverter includes a primary electrical circuit converting the alternating current (AC)  into a direct current (DC), then converting it back into an alternating current (AC) with the required frequency. Internal energy loss in variable frequency drive (VFD) / variable speed drive (VSD) Constant Pressure Booster Pump Inverter is rated around 3.5%

Reasons for using variable frequency drives (VFD) / variable speed drives (VSD) Constant Pressure Booster Pump Inverters can both be related to the functionality of the application and for saving energy. It helps water pump to match either to the demand of volume or pressure. The pump adjusts its revolutions to a given set point via a regulating loop. Adjusting the flow or pressure to the actual demand can reduce power consumption.

Variable frequency drives (VFD) / variable speed drives (VSD) Constant Pressure  Pump Inverters are widely used on various types of water pump such as vertical and horizontal multistage pumps, end suction pumps, vortex pumps, in-line pumps, jet pumps, deep well submersible borehole pump, and many more.

Reference source: 

https://www.grundfos.com/service-support/encyclopedia-search/variable-frequencydrive.html

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