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Variable-frequency drive
Videos
A variable-frequency drive is a type of AC motor drive that controls speed and torque by varying the frequency of the input electricity. Depending on its topology, it controls the associated voltage or current variation.
Small variable-frequency drive
Chassis of above VFD (cover removed)
Chassis of above VFD (cover removed)
Electric motor speed-torque chart
Electric motor speed-torque chart
Six-step drive waveforms
Six-step drive waveforms
Power electronics
Videos
Power electronics is the application of electronics to the control and conversion of electric power.
An HVDC thyristor valve tower 16.8 m tall in a hall at Baltic Cable AB in Sweden
A battery charger is an example of a piece of power electronics.
A battery charger is an example of a piece of power electronics.
Figure 8: The AC input for an ASD
Figure 8: The AC input for an ASD
FIGURE 9: Single-phase half-bridge voltage source inverter
FIGURE 9: Single-phase half-bridge voltage source inverter