VFDs Improve Motor & Pump Control - Pumps & Systems
2011年12月17日 · Figure 1. VFD with across-the-line lag motors and pumps. Using VFDs to Implement a Lead-Lag System. A single VFD can be used in a basic lead-lag system to …
How to Use VFDs to Optimize Water & Wastewater Systems
2018年8月10日 · When slowing the pump down in systems that have a fair amount of static head, the pump can be operated at a speed that will operate at the pump BEP. Adding a VFD to a …
Pump Control with Variable Frequency Drives - Pumps & Systems
2011年12月17日 · An AC drive provides more efficient flow control by varying the pump motor speed. By comparing the energy requirements and costs when a throttling device is used for …
Variable Frequency Drives: A Powerful Tool for System Optimization
2021年12月9日 · For pump VFD applications, it is important to have technical support from a vendor that understands the pump hydraulics, the system’s interactions with the pump and the …
How Do VFDs Work? - Pumps & Systems
2018年2月7日 · Variable frequency drives (VFDs) convert constant frequency and voltage input power to an adjustable frequency and voltage source for controlling the speed of alternating …
What to Consider When Using a VFD | Pumps & Systems
2023年11月9日 · A variable frequency drive (VFD) adjusts the voltage and frequency applied to the motor to adjust its rotational speed and the pump speed. This allows for greater control of …
Energy Savings with Variable Frequency Drives in Pump Applications
2011年12月17日 · In centrifugal pump applications with low head pressures, VFD controllers will typically save more than 50 percent of the energy used. While the greatest reduction in energy …
Variable Speed Pump Analysis - Pumps & Systems
2011年12月17日 · Tabs 3 through 6 show the same system curve, frequency curves and design point. The difference is the data label values. The “Pump Head” and “Pump BHP” tabs show …
VFD Facts: Discovering the True Potential of Smart Pump Technology For industrial processes that depend heavily on centrifugal pumps, newer technology promises ways to optimize pump …
Power Quality & VFDs: Utility Supply | Pumps & Systems
2024年12月15日 · Using VFDs on pumping systems is typical to allow the pump to change speeds to maintain a flow rate or pressure set point. Energy savings is achieved when slowing …