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The Role of AC Drives in HVAC Applications
The Role of AC Drives in HVAC Applications
January 13, 2020

AC drives play a pivotal role for industrial applications in the HVAC industry. Whether it’s air handling, or use in pumps and chillers – there’s no denying the utility of ac drives for use in various HVAC systems.


AC-type drives are powerful electric motors by design, and are favourable for the lack of mess they leave behind in comparison to more traditional gasoline and oil-powered motors. AC-type drives also work efficiently without compromising on output of power.


In today’s blog, we’ll discuss the reasons why the ac-type drive has become such a fundamental part of many HVAC applications.


Understanding AC Drive Operational Components


There are three integral components of the ac-type drive that are essential for understanding its operations.

  • Rectifier – the rectifier is used to effectively convert AC voltage into DC power output. There are typically two rectifiers that are part of an ac-type drive’s configuration. Each playing a different role in the conversion of power.
  • DC Bus – the DC bus holds capacitators as a means to transfer and store power from the rectifier. The DC bus is later able to transfer that power into the inverter section of the configuration.
  • Inverter – the inverter is composed of transistors that transfer power from the DC bus into the motor.


Maximizing Efficiency


One reason why the AC-type drive is so prevalent in the HVAC industry is because of its ability to maximize efficiency. The AC-type drive is capable of using renewable energy sources in addition to conventional energy sources. The ability for AC-type drives to use different types of energy sources can allow for more energy-efficient power output, while not compromising on overall strength of power. This can save time and money in the long-run.


Powerful by Design


AC-type drives are just as powerful as they are efficient. As power is converted into various forms – motion, heat, etc. it can be understood as total power (or energy). AC-type drives offer a full power load primarily due to the configuration’s capacitators. Capacitators are used to mitigate any power imbalances in addition to the transferal and storage of power.





What ac drive products do you guys offer?
Posted by: Cora | January 21, 2020, 3:45 pm
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