CSE Pure Power - Fall 2008 - (Page 33)

case study Time plot v 300 250 200 150 33 ❮❮ PURE POWER // FALL 2008 100 50 0 Figure 1: Voltage and current time plots showing sags and breaker trips. d late d-re Loa sags a ity s Util g a ity s Util g A Vms B Vms Source: PowerCET Corp. C Vms amps 1,500 1,250 1,000 750 500 250 0 A Irms Tuesday Wednesday B Irms Thursday C Irms D Irms Friday RES Irms NET Irms Saturday Sunday 1 N o. Trip Event details/waveforms 400 200 v 0 -200 -400 AV BV 82. 546 millisec CV Figure 2: Utility voltage sag. 300 v 280 270 260 250 240 A Vrms (val) 750 500 250 B Vrms (val) C Vrms (val) amps 0 -250 -500 -750 AI 500 400 BI CI DI amps 300 200 100 0 8:13:16.40 Tuesday A Irms (val) 8:13:16.45 B Irms (val) C Irms (val) D Irms (val) 8:13:16.55 8:13:16.50 8:13:16.50 Event details/waveforms 400 200 V 0 -200 -400 AV 300 250 BV CV V 200 150 100 50 0 A Vrms (val) 500 250 B Vrms (val) C Vrms (val) Figure 3: Breaker trip No. 1 recorded on Saturday (May 17, 2008) at 6:53 a.m. Source: PowerCET Corp. amps 0 -250 -500 AI BI CI DI 500 400 amps 300 200 100 0 6:52:59.3 Saturday A Irms (val) 6:52:59.4 B Irms (val) C Irms (val) 6:52:59.5 D Irms (val) 6:52:59.6 6:52:59.7 48.189 Volts Source: PowerCET Corp. 290 Trip N o. 2 br : ns . 1 pe Noer o k ea www.purepowermagazine.com http://www.purepowermagazine.com

Table of Contents Feed for the Digital Edition of CSE Pure Power - Fall 2008

CSE Pure Power - Fall 2008 In the News Commissioning CHP Enhancing Emergency Lighting Data Centers for Uncle Sam Handling a Nuisance Trip Sustainable Projects and Partnerships New Products Ad Index

CSE Pure Power - Fall 2008

CSE Pure Power - Fall 2008 - CSE Pure Power - Fall 2008 (Page Cover1) CSE Pure Power - Fall 2008 - CSE Pure Power - Fall 2008 (Page Cover2) CSE Pure Power - Fall 2008 - CSE Pure Power - Fall 2008 (Page 1) CSE Pure Power - Fall 2008 - CSE Pure Power - Fall 2008 (Page 2) CSE Pure Power - Fall 2008 - CSE Pure Power - Fall 2008 (Page 3) CSE Pure Power - Fall 2008 - CSE Pure Power - Fall 2008 (Page 4) CSE Pure Power - Fall 2008 - In the News (Page 5) CSE Pure Power - Fall 2008 - In the News (Page 6) CSE Pure Power - Fall 2008 - In the News (Page 7) CSE Pure Power - Fall 2008 - In the News (Page 8) CSE Pure Power - Fall 2008 - In the News (Page 9) CSE Pure Power - Fall 2008 - In the News (Page 10) CSE Pure Power - Fall 2008 - In the News (Page 11) CSE Pure Power - Fall 2008 - In the News (Page 12) CSE Pure Power - Fall 2008 - In the News (Page 13) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 14) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 15) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 16) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 16A) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 16B) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 17) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 18) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 19) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 20) CSE Pure Power - Fall 2008 - Commissioning CHP (Page 21) CSE Pure Power - Fall 2008 - Enhancing Emergency Lighting (Page 22) CSE Pure Power - Fall 2008 - Enhancing Emergency Lighting (Page 23) CSE Pure Power - Fall 2008 - Enhancing Emergency Lighting (Page 24) CSE Pure Power - Fall 2008 - Enhancing Emergency Lighting (Page 25) CSE Pure Power - Fall 2008 - Data Centers for Uncle Sam (Page 26) CSE Pure Power - Fall 2008 - Data Centers for Uncle Sam (Page 27) CSE Pure Power - Fall 2008 - Data Centers for Uncle Sam (Page 28) CSE Pure Power - Fall 2008 - Data Centers for Uncle Sam (Page 29) CSE Pure Power - Fall 2008 - Data Centers for Uncle Sam (Page 30) CSE Pure Power - Fall 2008 - Data Centers for Uncle Sam (Page 31) CSE Pure Power - Fall 2008 - Handling a Nuisance Trip (Page 32) CSE Pure Power - Fall 2008 - Handling a Nuisance Trip (Page 33) CSE Pure Power - Fall 2008 - Handling a Nuisance Trip (Page 34) CSE Pure Power - Fall 2008 - Handling a Nuisance Trip (Page 35) CSE Pure Power - Fall 2008 - Handling a Nuisance Trip (Page 36) CSE Pure Power - Fall 2008 - Sustainable Projects and Partnerships (Page 37) CSE Pure Power - Fall 2008 - Sustainable Projects and Partnerships (Page 38) CSE Pure Power - Fall 2008 - Sustainable Projects and Partnerships (Page 39) CSE Pure Power - Fall 2008 - Sustainable Projects and Partnerships (Page 40) CSE Pure Power - Fall 2008 - New Products (Page 41) CSE Pure Power - Fall 2008 - New Products (Page 42) CSE Pure Power - Fall 2008 - New Products (Page 43) CSE Pure Power - Fall 2008 - Ad Index (Page 44) CSE Pure Power - Fall 2008 - Ad Index (Page Cover3) CSE Pure Power - Fall 2008 - Ad Index (Page Cover4) http://www.nxtbook.com/nxtbooks/reed/cse1109http://www.nxtbook.com/nxtbooks/reed/cse1009http://www.nxtbook.com/nxtbooks/reed//cse0909http://www.nxtbook.com/nxtbooks/reed/cse0809http://www.nxtbook.com/nxtbooks/reed/cse0709http://www.nxtbook.com/nxtbooks/reed/cse0609http://www.nxtbook.com/nxtbooks/reed/cse0409_v2http://www.nxtbook.com/nxtbooks/reed/cse0509http://www.nxtbook.com/nxtbooks/reed/cse0409http://www.nxtbook.com/nxtbooks/reed/cse0309http://www.nxtbook.com/nxtbooks/reed/cse0209http://www.nxtbook.com/nxtbooks/reed/cse0109http://www.nxtbook.com/nxtbooks/reed/cse1208http://www.nxtbook.com/nxtbooks/reed/cse1108http://www.nxtbook.com/nxtbooks/reed/cse1008http://www.nxtbook.com/nxtbooks/reed/cse0908http://www.nxtbook.com/nxtbooks/reed/purepower_2008fallhttp://www.nxtbook.com/nxtbooks/reed/cse0808http://www.nxtbook.com/nxtbooks/reed/cse0708http://www.nxtbook.com/nxtbooks/reed/cse0608http://www.nxtbook.com/nxtbooks/reed/purepower_2008summerhttp://www.nxtbook.com/nxtbooks/reed/cse-specifiersguide08http://www.nxtbook.com/nxtbooks/reed/cse0508http://www.nxtbook.com/nxtbooks/reed/cse0408http://www.nxtbook.com/nxtbooks/reed/cse0308http://www.nxtbook.com/nxtbooks/reed/cse0208http://www.nxtbook.com/nxtbooks/reed/cse0108http://www.nxtbook.com/nxtbooks/reed/cse1207http://www.nxtbook.com/nxtbooks/reed/cse1107http://www.nxtbook.com/nxtbooks/reed/cse1007http://www.nxtbook.com/nxtbooks/reed/cse0907http://www.nxtbook.com/nxtbooks/reed/cse0807http://www.nxtbook.com/nxtbooks/reed/cse0707http://www.nxtbook.com/nxtbooks/reed/cse-sg07http://www.nxtbook.com/nxtbooks/reed/cse0607http://www.nxtbook.com/nxtbooks/reed/cse0507http://www.nxtbook.com/nxtbooks/reed/cse0207http://www.nxtbook.com/nxtbooks/reed/cse1006http://www.nxtbook.com/nxtbooks/reed/cse0806http://www.nxtbook.com/nxtbooks/reed/cse0706http://www.nxtbook.com/nxtbooks/reed/cse0606http://www.nxtbook.com/nxtbooks/reed/csedir2006http://www.nxtbook.com/nxtbooks/reed/cse0306http://www.nxtbook.com/nxtbooks/reed/cse0206http://www.nxtbook.com/nxtbooks/reed/cse0106http://www.nxtbookMEDIA.com

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