Monthly Archives: October 2003

Technical Resources for Substation Capacitor Bank Switching

Posted on October 27, 2003

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

Posted on October 21, 2003

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

Posted on October 13, 2003

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