Abstract: Provided is a compensated inverse-time undervoltage load shedding system and method for use in an electrical power system. The compensated inverse-time undervoltage load shedding system includes a compensation element for determining a compensated value and an inverse-time undervoltage element operatively coupled to the compensation element and enabled based on the compensated value. When enabled, the inverse-time undervoltage element calculates a load shedding time delay value based on the compensated value, and determines a load shedding signal based on the load shedding time delay value. An associated load of the electrical power system is shed based on the load shedding signal. The compensation element may determine the compensated value using a voltage magnitude, a rate-of-change of power system voltage over time, a weighted rate-of-change of power system voltage over time, a current magnitude, a weighted current magnitude, and an impedance phasor value, to name a few.

Abstract: A method and system for assigning logical port identification for multiple peripheral devices that may be connected to a peripheral server in a network environment is disclosed. The assigned logical port identification enables client computers to utilize client software to communicate with and control operation of the peripheral devices, even though the peripheral devices may be connected to the server with different types of physical interfaces, such as parallel port interfaces or by a Universal Serial Bus interface. The invention permits peripheral devices to be added and removed without producing peripheral device malfunctions and other problems that often occurred in the prior art.