Automatic network device electrical phase identification

One or more computer-readable media storing computer-executable instructions that, when executed, cause one or more processors to perform acts comprising:

• obtaining voltage measurement data, wherein the voltage measurement data comprises voltage measurements made at a plurality of network devices, wherein each network device is connected to a transformer, and wherein each transformer is connected to a phase of a feeder line;
• calculating voltage change data for a plurality of network devices, wherein the calculated voltage change data of each of the plurality of network devices is based at least in part changing voltages of a phase of the feeder line to which the network device is connected, wherein calculating the voltage change data comprises calculating a voltage change vector for each of the plurality of network devices, and wherein each voltage change vector comprises paired time and voltage change values;
• classifying meters according to an initial classification to prepare for application of a clustering technique to the voltage change data;
• clustering the meters according to voltage changes over time, in an iterative manner to update the initial classification and to thereby cluster meters by electrical phase;
• and
• providing information about an electrical service associated with at least one network device from among the plurality of network devices, the information sufficient to indicate an electrical load to be moved from a first phase to a second phase.

A computing device, comprising:

• a processing unit;
• memory, accessible by the processing unit;
• a data module, defined in the memory and executed by the processing unit, to gather voltage measurement data of a plurality of network devices, wherein the voltage measurement data comprises voltage measurements made at a plurality of network devices, wherein each network device is connected to a transformer, and wherein each transformer is connected to a phase of a feeder line;
• a voltage change calculation module, defined in the memory and executed by the processing unit, to calculate voltage change data for each of the plurality of network devices, wherein the calculated voltage change data of each of the plurality of network devices is based at least in part changing voltages of a phase of the feeder line to which the network device is connected, wherein calculating the voltage change data comprises calculating a voltage change vector for each of the plurality of network devices, and wherein each voltage change vector comprises paired time and voltage change values;
• and
• a clustering module, defined in the memory and executed by the processing unit, to determine a phase to which a network device from among the plurality of network devices is associated based at least in part on the changes in voltage determined by the voltage change calculation module, wherein the clustering module is configured to utilize k-means techniques to cluster network devices having similar calculated voltage changes at similar times.