Abstract: A system, computer program product and method to provide information related to a power distribution system based on information provided by a plurality of network elements electrically connected to a plurality of power lines of the power distribution system at a plurality of locations is provided. In one embodiment, the method comprises receiving a notification from a group of network elements that have detected a voltage signature indicating an imminent power outage, determining location information of the power outage, outputting the location information of the power outage, receiving a live notification from a first network element of the group of network elements indicating a first power restoration at a location of the first network element, determining location information of the first power restoration, and outputting the location information of the first power restoration.

Abstract: A system, method and device for detecting power grid equipment degradation is provided. In one embodiment, a method of using a device comprises measuring a first voltage of a first energized conductor of a power line connected to the output of a distribution transformer supplying power to one or more customer premises, processing data of the measured voltage to detect a trigger condition wherein the trigger condition comprises, at least in part, a change in the first voltage that extends for at least a first duration, and transmitting a notification of a detection of a trigger condition to a remote computer. The method may further include measuring a second voltage of a second energized conductor and wherein the trigger condition comprises detecting concurrently for at least the first duration a difference between the first voltage and the second voltage that exceeds a first threshold, and a sum of the first voltage and the second voltage that is within a predetermined voltage range.

Abstract: A system, method and product for modifying the volt-ampere reactive (VARs) in a power distribution system is provided. In one embodiment, the method includes determining the VARs at a location on the power distribution system and based on the determined VARs, determining whether to modify the VARs. If it is determined to modify the VARs the method includes identifying a plurality a capacitor banks connected to a power line and from the identified plurality of capacitor banks, generating a list of eligible capacitor banks that satisfy inclusion criteria. If the list of eligible capacitor banks includes at least one capacitor bank the method includes selecting a capacitor bank from the list of eligible capacitor banks and transmitting a switching command for the selected capacitor bank.

Abstract: A system, device and method for regulating the voltage at a customer premises that is supplied power via a first medium voltage power line is provided. In one embodiment, the method of using a computer system comprises determining medium voltage (MV) data comprising data of the voltage supplied to the first medium voltage power line at a plurality of times, storing the MV data for each of the plurality of times in a memory, determining current data comprising data of a current supplied to the medium voltage power line at the plurality of times, storing the current data at each of the plurality of times in memory in association with the voltage data of the same time.

Abstract: A system and method of regulating the voltage of the power supplied to a plurality of power customers via a power distribution system that includes low voltage power lines and medium voltage power lines is provided. A method may include measuring the voltage of a plurality of low voltage power lines at one or more customer premises in the power distribution system with corresponding voltage monitoring devices. The voltage monitoring devices transmit voltage data in real time to a remote computer system. The computer system receives the real time voltage data of the voltage measured from the voltage monitoring devices. The computer system compares the real time voltage data with a first threshold value; and if the real time voltage data is beyond the first threshold value, transmitting a first voltage adjustment instruction to a voltage control device configured to adjust the voltage supplied to a low voltage power line.

Abstract: Embodiments of the present invention provide power flow analysis and may process electrical power distribution system data in real time to calculate load, current, voltage, losses, fault current and other data. The power flow analysis system may include a detailed data model of the electrical power distribution system, and may accept a variety of real time measurement inputs to support its modeling calculations. The power flow analysis system may calculate data of each of the three distribution system power phases independently and include a distribution state estimation module which allows it to incorporate a variety of real time measurements with varying degrees of accuracy, reliability and latency.

Abstract: A system, computer program product and method to provide information related to a power distribution system based on information provided by a plurality of network elements electrically connected to a plurality of power lines of the power distribution system at a plurality of locations is provided. In one embodiment, the method comprises receiving a notification from a group of network elements that have detected a voltage signature indicating an imminent power outage, determining location information of the power outage, outputting the location information of the power outage, receiving a live notification from a first network element of the group of network elements indicating a first power restoration at a location of the first network element, determining location information of the first power restoration, and outputting the location information of the first power restoration.

Abstract: A system, method and product for modifying the volt-ampere reactive (VARs) in a power distribution system is provided. In one embodiment, the method includes determining the VARs at a location on the power distribution system and based on the determined VARs, determining whether to modify the VARs. If it is determined to modify the VARs the method includes identifying a plurality a capacitor banks connected to a power line and from the identified plurality of capacitor banks, generating a list of eligible capacitor banks that satisfy inclusion criteria. If the list of eligible capacitor banks includes at least one capacitor bank the method includes selecting a capacitor bank from the list of eligible capacitor banks and transmitting a switching command for the selected capacitor bank.

Abstract: A system, computer program product and method to provide information related to a power distribution system based on information provided by a plurality of network elements electrically connected to a plurality of power lines of the power distribution system at a plurality of locations is provided. In one embodiment, the method comprises receiving a notification from a group of network elements that have detected a voltage signature indicating an imminent power outage, determining location information of the power outage, outputting the location information of the power outage, receiving a live notification from a first network element of the group of network elements indicating a first power restoration at a location of the first network element, determining location information of the first power restoration, and outputting the location information of the first power restoration.

Abstract: A system, device, and method of detecting an overload condition of a distribution transformer that supplies power to one or more customer premises via a low voltage subnet is provided. In one embodiment, the method comprises determining the power output of the transformer; storing in a memory a threshold power value for the transformer; determining whether the power output exceeds the threshold power value; and, if the output power exceeds the threshold power value, providing a notification. Providing the notification may include wirelessly transmitting the notification and/or transmitting the notification over a medium voltage power line. The low voltage subnet may comprise a low voltage feeder that supplies power to a plurality of low voltage supply lines that extend to the customer premises in which case determining the output power may comprise measuring a voltage of the low voltage feeder and measuring a current traversing the low voltage feeder.

Abstract: A device for providing power factor correction of a low voltage subnet that includes a low voltage feeder line that is connected to one or more low voltage power supply lines that supply power to one or more customer premises is provided. In one embodiment, the device includes a power factor measurement module configured to measure power parameters for determining a power factor of the power traversing the low voltage subnet; a power factor correction assembly configured to vary a capacitance connected to the low voltage feeder of the low voltage subnet; a controller in communication with the power factor measurement assembly and the power factor correction assembly. The controller may be configured to cause the power factor correction assembly to change the capacitance based on the determined power factor. The controller may form part of a power line communication device configured to provide communications to the one or more customer premises.

Abstract: A system, device and method for regulating the voltage at a customer premises that is supplied power via a first medium voltage power line is provided. In one embodiment, the method of using a computer system comprises determining medium voltage (MV) data comprising data of the voltage supplied to the first medium voltage power line at a plurality of times, storing the MV data for each of the plurality of times in a memory, determining current data comprising data of a current supplied to the medium voltage power line at the plurality of times, storing the current data at each of the plurality of times in memory in association with the voltage data of the same time.

Abstract: A system, device, and method of detecting an overload condition of a distribution transformer that supplies power to one or more customer premises via a low voltage subnet is provided. In one embodiment, the method comprises determining the power output of the transformer; storing in a memory a threshold power value for the transformer; determining whether the power output exceeds the threshold power value; and, if the output power exceeds the threshold power value, providing a notification. Providing the notification may include wirelessly transmitting the notification and/or transmitting the notification over a medium voltage power line. The low voltage subnet may comprise a low voltage feeder that supplies power to a plurality of low voltage supply lines that extend to the customer premises in which case determining the output power may comprise measuring a voltage of the low voltage feeder and measuring a current traversing the low voltage feeder.

Abstract: A system, device, and method of detecting an overload condition of a distribution transformer that supplies power to one or more customer premises via a low voltage subnet is provided. In one embodiment, the method comprises determining the power output of the transformer; storing in a memory a threshold power value for the transformer; determining whether the power output exceeds the threshold power value; and, if the output power exceeds the threshold power value, providing a notification. Providing the notification may include wirelessly transmitting the notification and/or transmitting the notification over a medium voltage power line. The low voltage subnet may comprise a low voltage feeder that supplies power to a plurality of low voltage supply lines that extend to the customer premises in which case determining the output power may comprise measuring a voltage of the low voltage feeder and measuring a current traversing the low voltage feeder.

Abstract: A system, device and method of determining an efficiency of a distribution transformer that receives power from a medium voltage power line and that provides power to a plurality of customer premises via a low voltage subnet is provided. In one embodiment, the method includes determining an input power to the transformer from the medium voltage power line, determining an output power from the transformer, determining a transformer efficiency based on the input power and the output power, comparing the transformer efficiency with a threshold efficiency, and providing a notification when the transformer efficiency is below a threshold efficiency. Determining the input power may include measuring the current input and estimating the voltage input based on a voltage measure of the low voltage subnet and the turns ratio of the transformer.

Abstract: A system and method for detecting an arc of a medium voltage power line, such as an underground power line cable, is provided. In one embodiment the method comprises receiving voltage measurement data of the alternating voltage of the medium voltage power line, receiving current measurement data of the current of the medium voltage power line, detecting a current surge based on received current measurement data and upon detecting the current surge, processing the received voltage measurement data to determine whether the current surge initiated during a peak of the alternating voltage. In addition, the method may comprise transmitting a notification of the concurrent current surge. The transmission may be over the medium voltage power line, wirelessly, via fiber, via coaxial cable, or other suitable method. The current surge detection process may also comprise determining that the current surge lasts for less than a predetermined duration.

Abstract: A system and method of regulating the voltage of the power supplied to a plurality of power customers via a power distribution system that includes low voltage power lines and medium voltage power lines is provided. In one embodiment, the method includes measuring the voltage of a plurality of low voltage power lines at a plurality locations in the power distribution system with a plurality of voltage monitoring devices; with the plurality of voltage monitoring devices, transmitting voltage data in real time to a remote computer system; receiving, with the computer system, the real time voltage data of the voltage measured from the voltage monitoring devices; comparing, with the computer system, the real time voltage data with a first threshold value; and if the real time voltage data is beyond the first threshold value, transmitting with the computer system a first voltage adjustment instruction to a voltage control device configured to adjust the voltage supplied to a low voltage power line.

Abstract: A system, computer program product and method to provide information related to a power distribution system based on information provided by a plurality of network elements electrically connected to a plurality of power lines of the power distribution system at a plurality of locations is provided. In one embodiment, the method comprises receiving a notification from a group of network elements that have detected a voltage signature indicating an imminent power outage, determining location information of the power outage, outputting the location information of the power outage, receiving a live notification from a first network element of the group of network elements indicating a first power restoration at a location of the first network element, determining location information of the first power restoration, and outputting the location information of the first power restoration.

Abstract: A system, method and device for detecting power grid equipment degradation is provided. In one embodiment, a method of using a device comprises measuring a first voltage of a first energized conductor of a power line connected to the output of a distribution transformer supplying power to one or more customer premises, processing data of the measured voltage to detect a trigger condition wherein the trigger condition comprises, at least in part, a change in the first voltage that extends for at least a first duration, and transmitting a notification of a detection of a trigger condition to a remote computer. The method may further include measuring a second voltage of a second energized conductor and wherein the trigger condition comprises detecting concurrently for at least the first duration a difference between the first voltage and the second voltage that exceeds a first threshold, and a sum of the first voltage and the second voltage that is within a predetermined voltage range.