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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Flicker, J. Johnson, J. |
| Copyright Year | 2013 |
| Description | Author affiliation: Sandia Nat. Labs., Albuquerque, NM, USA (Flicker, J.; Johnson, J.) |
| Abstract | Arcing in PV systems has caused multiple residential and commercial rooftop fires. The National Electrical Code® (NEC) added section 690.11 to mitigate this danger by requiring arc-fault circuit interrupters (AFCI). Currently, the requirement is only for series arc-faults, but to fully protect PV installations from arc-fault-generated fires, parallel arc-faults must also be mitigated effectively. In order to de-energize a parallel arc-fault without module-level disconnects, the type of arc-fault must be identified so that proper action can be taken (e.g., opening the array for a series arc-fault and shorting for a parallel arc-fault). In this work, we investigate the electrical behavior of the PV system during series and parallel arc-faults to (a) understand the arcing power available from different faults, (b) identify electrical characteristics that differentiate the two fault types, and (c) determine the location of the fault based on current or voltage of the faulted array. This information can be used to improve arc-fault detector speed and functionality. |
| Sponsorship | IEEE Electron Devices Soc. |
| Starting Page | 3165 |
| Ending Page | 3172 |
| File Size | 2828061 |
| Page Count | 8 |
| File Format | |
| DOI | 10.1109/PVSC.2013.6745127 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-06-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Arrays Circuit faults SPICE Load modeling Impedance Resistance Inverters AFCI series and parallel arc faults PV AFD |
| Content Type | Text |
| Resource Type | Article |
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