A method comprises detecting a power quality event, determining if one or more power outages occurs in a defined time period extending from a beginning of the power quality event to an end of the power quality event, and if one or more power outages occurs in the defined time period, then performing an analysis, where performing the analysis comprises determining if the one or more power outages is associated with the power quality event. The method may also comprise outputting the information regarding the analysis to a display device.
Please help me write a proper abstract based on the patent claims. CLAIM: 1. A method comprising: detecting a power quality event; determining if one or more power outages occurs in a defined time period extending from a beginning of the power quality event to an end of the power quality event; if one or more power outages occurs in the defined time period, then performing an analysis, where performing the analysis comprises determining if the one or more power outages is associated with the power quality event; and outputting information regarding the analysis to a display device. 2. The method of claim 1, wherein the power quality event is detected by a power quality monitoring device, and determining if the one or more power outages is associated with the power quality event comprises: determining if the power quality monitoring device detects a power outage during the defined time period; and if the power quality monitoring device detects a power outage during the defined time period, providing a reliability index to be included in the outputted information, the reliability index corresponding to a confidence level that the one or more power outages is associated with the power quality event. 3. The method of claim 2, further comprising: identifying a location of the power quality monitoring device that detects the power quality event; determining if power quality monitoring devices positioned downstream from the power quality monitoring device detect a power outage during the defined time period; and providing the reliability index if the power quality monitoring devices positioned downstream from the power quality monitoring device detect a power outage during the defined time period. 4. The method of claim 3, further comprising: determining if the power quality monitoring device and the power quality monitoring devices positioned downstream from the power quality monitoring device detect a power outage in a time period that includes the defined time period plus a predetermined time period; and providing the reliability index if the power quality monitoring device and the power quality monitoring devices positioned downstream from the power quality monitoring device detect a power outage in the time period that includes the defined time period plus the predetermined time period. 5. The method of claim 2, wherein determining if one or more power outages occurs includes receiving outage information from at least one power quality monitoring device, and performing the analysis further comprises: identifying a location for each of the power quality monitoring devices that detect the one or more power outages based on the outage information; and determining a location of the power outage based on the identified locations and an aggregation using the outage information. 6. The method of claim 5, wherein the outage information includes an amount of current drawn by at least one power quality monitoring device, and determining if one or more power outages occurs comprises: identifying a threshold value for the amount of drawn current; and determining a deviation of the detected amount from the threshold value. 7. The method of claim 5, wherein the outage information includes a network connection status of the at least one power quality monitoring device, and determining if one or more power outages occurs comprises detecting a change in the network connection status. 8. The method of claim 5, wherein the analysis further comprises determining a duration of the one or more power outages based on the aggregation. 9. The method of claim 5, wherein the aggregation is based on timestamps included in the outage information. 10. The method of claim 2, wherein detecting a power quality event includes receiving event information regarding the power quality event from each power quality monitoring device that detects the power quality event, and performing the analysis further comprises: identifying a location of each power quality monitoring device based on the received event information; and determining a location of the power quality event based at least in part on the location of each power quality monitoring device. 11. The method of claim 10, further comprising receiving information regarding a reference power quality monitoring device, and determining the location of the power quality event is further based on the received information regarding the reference power quality monitoring device and the received event information. 12. The method of claim 2, wherein the reliability index is based at least in part on the defined time period. 13. The method of claim 1, wherein detecting a power quality event comprises: conducting at least one measurement related to power quality in an electrical power system; identifying a threshold value for the at least one measurement; and determining a deviation of the at least one measurement from the threshold value. 14. A system comprising: a display device; at least one power quality monitoring device configured to detect a power quality event; and a processor in communication with the at least one power quality monitoring device and the display device and configured to: receive, from the at least one power quality monitoring device, event information detected by the at least one power quality monitoring device; receive power outage information; based on the event information and the outage information, determine if one or more power outages occurs in a defined time period extending from a beginning of the power quality event to an end of the power quality event; performing an analysis if one or more power outages occurs in the defined time period, the analysis comprising determining if the one or more power outages is associated with the power quality event; and output information from the analysis to the display device. 15. The system of claim 14, wherein the at least one power quality monitoring device is configured to detect a power outage and the processor is further configured to: receive power outage information from the at least one power quality monitoring device; based on the event information and the power outage information, determine if the at least one power quality monitoring device detects a power outage during the defined time period; and provide a reliability index included in the output information if the at least one power quality monitoring device detects a power outage during the defined time period, the reliability index corresponding to a confidence level that the one or more power outages is associated with the power quality event. 16. The system of claim 15, wherein the processor is further configured to: determine a location of each power quality monitoring device detecting the power quality event based on the received event information; identify one or more power quality monitoring devices positioned farthest upstream based on the determined locations; determine if power quality monitoring devices positioned downstream from the identified one or more power quality monitoring devices detect a power outage during the defined time period; and provide the reliability index if the power quality monitoring devices positioned downstream from the identified one or more power quality monitoring devices detect a power outage during the defined time period. 17. The system of claim 16, wherein the processor is further configured to: determine if the identified one or more power quality monitoring devices and the power quality monitoring devices positioned downstream from the identified one or more power quality monitoring devices detect a power outage in a time period that includes the defined time period plus a predetermined time period; and provide the reliability index if the identified one or more power quality monitoring devices and the power quality monitoring devices positioned downstream from the identified one or more power quality monitoring devices detect a power outage in the time period that includes the defined time period plus the predetermined time period. 18. The system of claim 15, wherein the system further comprises at least one power quality monitoring device in communication with the processor and configured to detect a power outage, and the processor is further configured to: receive the power outage information from the at least one power quality monitoring device configured to detect a power outage; and identify a location of each power quality monitoring device detecting a power outage based on the received power outage information, wherein performing the analysis further comprises determining a location of the power outage based on the identified locations and an aggregation using the power outage information. 19. The system of claim 14, wherein the at least one power quality monitoring device includes a reference power quality monitoring device, and the processor is further configured to: receive information regarding a location of the reference power quality monitoring device; identify each power quality monitoring device detecting a power quality event based on the event information; and determine a location of the power quality event based at least in part on the location of the reference power quality monitoring device and the location of each power quality monitoring device detecting a power quality event. 20. The system of claim 19, wherein the reference power quality monitoring device is configured to determine and transmit to the processor as event information whether a power quality event is upstream or downstream from the reference power quality monitoring device, and the processor is configured to determine the location of the power quality event based on the location of the reference power quality monitoring device, the location of each power quality monitoring device detecting a power quality event, and the event information transmitted from the reference power quality monitoring device.