A New Approach to Arc Fault Detection for AC and DC Systems

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ProQuest, 2005 - 196 pages
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In this thesis, a new approach to identify an arcing fault is discussed. The proposed method also can distinguish an arcing fault from normal load behavior. It is the need for increased safety that has been a motivation for this thesis. By using the proposed model, an arcing fault can be easily identified and necessary action can be taken, so as to prevent the arc from escalating into a serious fire and causing a lot of damage.
  

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Contents

Chapter 2
6
A series arc fault situation fault current is limited by the load
8
DC Series test data plot for a one of the test cases
15
Voltage and power spectrum plot of an arc caused by 50V 0 7 Ohm load
22
Voltage and power spectrum plot of AC parallel test with 5 8 Ohm load
28
Chapter 3
29
Chapter 4
37
Firstorder model parameters for DC series arc steady state response
41
Firstorder model parameters for AC parallel arc transient response
54
Voltage plot of the data for no arc
55
Secondorder model parameters for DC series arc transient response
60
Secondorder model parameters for AC tests with noarc response
66
Chapter 5
72
Chapter 6
88
Appendix A
95
Appendix E
127

Firstorder model parameters for DC tests with noarc response
47

Common terms and phrases

Bibliographic information