The Basic Function Of A Variable Speed Drive (VSD)

Is to control the flow of energy from the mains to the process. Variable speed drives sit between the electrical supply and the motor. Power from the electrical supply goes into a drive and the drive then regulates the power that is fed to the motor.
The Basic Function Of A Variable Speed Drive (VSD)
The Basic Function Of A Variable Speed Drive (VSD)

As DrillForce Drilling Pvt Ltd we have done this research for you so that you won’t have to worry about quality. Over the past years we have been drilling boreholes every day in different areas across the nation and installing boreholes. When it come to to installing Variable Speed Drive (VSD) we are expects and pros as DrillForce Drilling we have come to educate you about basic functions of VSD on your borehole.
The Basic Function Of A Variable Speed Drive (VSD)
The Basic Function Of A Variable Speed Drive (VSD)

Inside the drive the input power is run through a rectifier, that converts the incoming AC power to DC power. The DC power is fed into the capacitors inside the drive. This is done to smooth out the electrical waveform which provides the clean power supply for the next step. Power then flows from the capacitors to the inverter, that changes the DC power to the output AC power that goes to the motor.

There is a more energy efficient alternative. Running these applications with variable speed drives results in instant savings in energy consumption while it also brings long-term competitive advantages. Any process that is using electric motors can get important monetary savings and operational benefits with the use of variable speed drives. You might want to take a good look around your own operations and processes, no matter how big or small, to see where targeted use of variable speed drives can help you get fast financial payback and long-term competitive advantages.
The Basic Function Of A Variable Speed Drive (VSD)
The Basic Function Of A Variable Speed Drive (VSD)

How do variable speed drives regulate power to match the motor’s speed to what is required by the process?

1. Convert incoming AC to DC Incoming 3-phase AC power is fed into a rectifier that converts it to DC power.

2. Smooth the DC wave DC power is fed into capacitors, smoothing the wave and producing a clean DC supply.

3. Convert DC to variable AC The variable speed drive calculates the motor’s required voltage and current. DC power is then fed into an inverter producing AC power at the precise voltage and current needed.

4. Calculate and repeat The variable speed drive continuously calculates and adjusts the frequency and voltage providing only the power (speed and torque) the motor needs. This is how you can save large amounts of energy.

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