Variable Frequency Drives, Variable Speed Drives
Consulting-Specifying Engineer 2016 Product of the Year Finalists
Variable frequency drives, variable speed drives
Read about the three finalists in the Variable Frequency Drives, Variable Speed Drives category for the Consulting-Specifying Engineer 2016 Product of the Year program.
Enclosed variable frequency drives
PowerXL Enclosed Drives offer advanced harmonics mitigation, energy efficiency, and increased reliability to the water/wastewater, irrigation pumping, oil and gas, and industrial infrastructure industries. PowerXL Enclosed Drives offer standard configurations that are pre-engineered to provide a robust solution with reduced lead time, while also providing customers with custom-engineered configurations that are designed to meet specific application needs. Eaton’s PowerXL Enclosed Drives offering includes advanced harmonic mitigation packages that substantially reduce the harmonics in a system and are in compliance with guidelines such as IEEE 519. PowerXL Enclosed Drives provide superior reliability through a robust design that is tested and listed to UL 508C standards.
Arc-resistant medium-voltage drive
Eaton’s SC9000 encapsulated powerpole (EP) arc-resistant drive is a fully integrated arc-resistant medium-voltage drive certified to CSA C22.2 No.22-11 and witness-tested to IEEE C37.20.7 through extensive assessment at a third-party laboratory. The drives build on Eaton’s highly reliable and award-winning SC9000 EP platform, allowing customers to achieve energy savings while reducing facility downtime and enhancing personnel safety. Eaton engineered the solution with arc-fault-detection circuits to prevent the possibility of an arc fault upon powering the drive. Should an arc event occur after power-up, Eaton’s patented inverter encapsulation and short circuit protection technologies help prevent fault propagation and limit arc fault energy.
Low-harmonic HVAC drive
Yaskawa’s Z1000U HVAC Matrix Drive provides extremely low harmonic distortion in a space-saving design, along with the same HVAC-specific features as the standard Z1000. This single-component solution achieves excellent low-distortion levels all by itself, completely without the need for additional countermeasures such as passive filters or multipulse arrangements. Yaskawa’s Matrix technology employs a system of nine bi-directional switches that are arranged in a matrix to convert a 3-phase ac-input voltage directly into a 3-phase ac-output voltage. It eliminates the need for a rectifying circuit and a dc bus used in traditional ac-drive inverters.
Yaskawa America Inc., www.yaskawa.com
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