Yearly Archives: 2003

PureWave UPS is Prescribed for a Medical Facility

A regional medical center in North Carolina selected an S&C PureWave UPS™ System to enhance power quality for the MRI machine in their facility. Periodic voltage sags had been causing major damage to the exciter element of the magnetic resonance … Continue reading

Posted in Energy Storage, Health Care, Power Quality Tagged

S&C’s PureWave UPS System Manages Power Quality in College Computer Room

Georgia College & State University selected S&C’s PureWave UPS™ System to maintain consistent power quality to the computer room supporting their information technology activities. Short-duration voltage sags and power outages were adversely affecting the productivity of students using the PCs … Continue reading

Posted in Energy Storage, Power Quality Tagged

Thanks to S&C’s PureWave UPS, August Blackout Has Little Impact on Semiconductor Production

The August 2003 blackout affected much of the northeastern U.S. and Canada, but manufacturing went on as usual at a large New Jersey semiconductor manufacturer. Seeking to ensure optimum power quality for their critical processes, the facility installed a 2500-kVA … Continue reading

Posted in Commercial/Industrial, Energy Storage, Power Quality, Semiconductor Manufacturing Tagged

Technical Resources for Substation Capacitor Bank Switching

S&C Electric Company introduced pre-insertion inductors in 1986, and they quickly became the most popular method for controlling transient overvoltages during capacitor-bank energization. Pre-insertion inductors are ideal for limiting inrush current and overvoltage at the capacitor-bank bus, for limiting phase-to-phase … Continue reading

Posted in Electric Utilities, Substation Tagged , ,

“Wafer-Thin” Tolerance for Power Disturbances Requires Expanded System

Manufacturing semiconductor wafers is an extremely delicate process, blending microelectronics with chemical and mechanical systems that require tolerances measured in microns. A single batch can take 30 to 50 days to complete. But a power disturbance of just a few … Continue reading

Posted in Energy Storage, Power Quality, Semiconductor Manufacturing Tagged

Utility Selects S&C BankGuard PLUS Control as Its Standard Substation Capacitor Bank Protective Device

A large overseas utility recently evaluated capacitor bank protective devices, and selected the S&C BankGuard PLUS® Control for its standard substation capacitor bank design. They considered an alternative device utilizing a general-purpose overcurrent relay, which is applied with a very-low-ratio … Continue reading

Posted in Electric Utilities, Substation