variable speed drive (VSD) definition
variable speed drive (VSD) means an electronic controller, integrated or functioning as one system or as a separate delivery with the motor and the fan, which continuously adapts the electrical power supplied to the motor in order to control the flow rate;
variable speed drive (VSD) of a motor means a motor drive that controls the motor speed over a continuous range.
variable speed drive (VSD) means a motor accessory that enables the driven equipment to be operated over a range of speeds. Electronic types VSD include, but not limit to, current source inverter, cycloconverter, load-commutated inverter, pulse-width modulated, and voltage-source inverter.
Examples of variable speed drive (VSD) in a sentence
Honeywell will install a variable speed drive (VSD) on the new circulating pump (H2OFlow model #EF-C-26-12-4), including by-pass panel, lightning arrestor, and flow meters.
More Definitions of variable speed drive (VSD)
variable speed drive (VSD) means an electronic power converter integrated - or functioning as one system - with the motor and the fan, that continuously adapts the electrical power supplied to the electric motor in order to control the mechanical power output of the motor according to the torque-speed characteristic of the load being driven by the motor, excluding variable voltage controllers where only the supply voltage for the motor is varied.
variable speed drive (VSD) means an electronic power converter integrated — or functioning as one system
variable speed drive (VSD) means [...], including EC (electronically commutated) motors with an internal control which can be considered to fulfil the VSD requirement, [...]