Water & Wastewater Treatment
Variable Frequency Drives, are often used in wastewater stations that transport sewage. They are used to control the flow of sewage through the pumps and help wastewater treatment plants achieve the required flow. Like any piece of equipment, it must work with the whole system to be truly effective.
Heating & Cooling
Most conventional building HVAC applications are designed to operate fans and pumps at a constant speed. Building loads, however, are anything but constant. In a conventional system, some form of mechanical throttling can be used to reduce water or air flow in the system. The drive motor, however, continues to operate at full speed, using nearly the same amount of energy regardless of the heating or cooling load on the system. While mechanical throttling can provide a good level of control, it is not very efficient. VFDs offer an effective and efficient alternative.
Many hospitals are looking for ways to reduce energy consumption. One of the most promising involves the use of variable frequency drives (VFDs) to control the speed of HVAC motors. In fact, in such applications. VFDs have been shown to reduce energy consumption by 20 to 30%. But, while energy savings are important, they must never jeopardize patient safety.
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Educational Facilities (Schools, Colleges & Universities)