Public Power - May 2008 - (Page 33) Over 90% of temporary faults occur on laterals. Protecting laterals used to require you to make some concessions . . . But no more! S&C’s Innovative TripSaver™ Dropout Recloser TripSaver protects laterals from temporary faults . . . and it protects the main feeder from momentary interruptions for faults on laterals. Do you trip the feeder breaker to save the lateral fuse during momentary interruptions? Many utilities do. But with TripSaver, it’s no longer necessary. You’ll eliminate momentary interruptions on the main feeder. You’ll improve your MAIFI without sacrificing your SAIFI. Do you let the lateral fuse operate to prevent momentary interruptions to the entire feeder? Many utilities do. But with TripSaver, it’s no longer necessary. You’ll eliminate the permanent outage that occurs on the lateral when the fuse operates in response to a momentary fault. You’ll improve your SAIFI without sacrificing your MAIFI. 15-kV Overhead Pole-Top Style TripSaver. Also offered in Branch Feeder Style. Both available at 25 kV What is TripSaver? TripSaver is a unique, self-powered, electronically controlled vacuum interrupter that fits in a standard fuse cutout mounting. It has no batteries or other replaceable parts, no dial to set, no oil to test. It’s far less costly than conventional reclosers. TripSaver has an open-close-open-dropout operating sequence, with a 5-second reclosing time interval. It provides trip-free performance; the interrupter resets 5 seconds after dropout—ready for the next operation. The first opening operation is fast: 1.5- to 2-cycle total clearing time. The second opening operation has a time-current characteristic equivalent to either a K-speed or T-speed fuse. TripSaver provides excellent coordination with the feeder breaker and downstream fuses. Interested? To get all the details, visit our website. Or contact your nearest S&C Sales Office. We can prepare coordination and protection studies that will show you all the benefits of applying TripSaver on your system. Visit S&C at the 2008 IEEE/PES T and D Conference and Exposition in Chicago, April 21-24, Booth #1015 www.sandc.com/tsp ©2008 S&C Electric Company 461-A0801 http://www.sandc.com
Table of Contents Feed for the Digital Edition of Public Power - May 2008 Public Power - May 2008 Contents Perspective LEEDing the Way Ontario Moves to Mandatory Time-of-Use Pricing Journey to the Smart Grid Right-Sizing Transformers Energy Audits for Large Industries Economic Development Community Broadband Reliability Hometown Connections Parting Shot Public Power - May 2008 Public Power - May 2008 - Public Power - May 2008 (Page Cover1) Public Power - May 2008 - Public Power - May 2008 (Page Cover2) Public Power - May 2008 - Public Power - May 2008 (Page 1) Public Power - May 2008 - Public Power - May 2008 (Page 2) Public Power - May 2008 - Contents (Page 3) Public Power - May 2008 - Contents (Page 4) Public Power - May 2008 - Contents (Page 5) Public Power - May 2008 - Contents (Page 6) Public Power - May 2008 - Contents (Page 7) Public Power - May 2008 - Contents (Page 8) Public Power - May 2008 - Contents (Page 9) Public Power - May 2008 - Perspective (Page 10) Public Power - May 2008 - Perspective (Page 11) Public Power - May 2008 - Perspective (Page 12) Public Power - May 2008 - Perspective (Page 13) Public Power - May 2008 - LEEDing the Way (Page 14) Public Power - May 2008 - LEEDing the Way (Page 15) Public Power - May 2008 - LEEDing the Way (Page 16) Public Power - May 2008 - LEEDing the Way (Page 17) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 18) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 19) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 20) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 21) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 22) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 23) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 24) Public Power - May 2008 - Ontario Moves to Mandatory Time-of-Use Pricing (Page 25) Public Power - May 2008 - Journey to the Smart Grid (Page 26) Public Power - May 2008 - Journey to the Smart Grid (Page 27) Public Power - May 2008 - Journey to the Smart Grid (Page 28) Public Power - May 2008 - Journey to the Smart Grid (Page 29) Public Power - May 2008 - Journey to the Smart Grid (Page 30) Public Power - May 2008 - Journey to the Smart Grid (Page 31) Public Power - May 2008 - Journey to the Smart Grid (Page 32) Public Power - May 2008 - Journey to the Smart Grid (Page 33) Public Power - May 2008 - Right-Sizing Transformers (Page 34) Public Power - May 2008 - Right-Sizing Transformers (Page 35) Public Power - May 2008 - Energy Audits for Large Industries (Page 36) Public Power - May 2008 - Energy Audits for Large Industries (Page 37) Public Power - May 2008 - Economic Development (Page 38) Public Power - May 2008 - Economic Development (Page 39) Public Power - May 2008 - Community Broadband (Page 40) Public Power - May 2008 - Community Broadband (Page 41) Public Power - May 2008 - Reliability (Page 42) Public Power - May 2008 - Reliability (Page 43) Public Power - May 2008 - Hometown Connections (Page 44) Public Power - May 2008 - Hometown Connections (Page 45) Public Power - May 2008 - Hometown Connections (Page 46) Public Power - May 2008 - Hometown Connections (Page 47) Public Power - May 2008 - Parting Shot (Page 48) Public Power - May 2008 - Parting Shot (Page Cover3) Public Power - May 2008 - Parting Shot (Page Cover4)
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