Panel boards designed specifically for wireless telecommunication sites By Daryl Brightwell Technical paper reviews a survey of specifiers and users of compact service entrance panel boards that integrate power distribution, surge suppression and a rated automatic transfer switch. Reliability accelerates confidence in drives By Jim Kinsella Design News article illustrates increased reliability of drives by comparing historical product return rates with current SV9000 rates. In addition to reliability, current products offer greater integration capabilities, increased functionality and higher levels of communication flexibility. Functional testing of a new digital excitation system By Allan Morse, Troy Renolds, Rolando Martinaze, Irwing Gibbs and Richard Mummart. Technical paper describes results of tests of a new digital excitation system performed on a commercial hydroelectric generator connected to a power grid.
Results illustrate the dynamic response of the excitation system and the power system.
By Allan Morse, Ronaldo Martinaz, Richard Mummert and Irwing Gibbs Technical paper describes new system using a digital signal processor and integrated communications controller. Illustrates scalability to generation units of all sizes. The IT Soft Start is used as an example.