# US 9,519,560 B2 · Method for automatic mapping of AC phase conductors and identification of AC buses in a multi-bus power system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,519,560 B2 - Document ID: US9519560B2 - Status: Granted - Kind: B2 - Application number: 14/164,891 - Filed: 2014-01-27 - Published: 2014-09-18 - Granted: 2016-12-13 - Earliest claimed: 2013-03-13 - Assignees: Liebert Corporation - Applicants: Liebert Corporation - Inventors: Richard J. Zajkowski - Web page: https://patentgrep.com/patent/US9519560B2 ## CPC - G06F 11/3062: {where the monitored property is the power consumption (power management in a computing system G06F1/3203)} - G06F 11/3006: {where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems (multiprogramming arrangements G06F9/46; allocation of resources G06F9/50)} - G06F 11/3048: {where the topology of the computing system or computing system component explicitly influences the monitoring activity, e.g. serial, hierarchical systems} - G06F 11/3051: {Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs (verification or detection of system hardware configuration G06F11/2247)} - G06F 11/3089: {Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents (software debugging using additional hardware using a specific debug interface G06F11/3656; performance evaluation by tracing or monitoring G06F11/3466)} - G06F 11/3058: {Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations (thermal management in cooling arrangements of a computing system G06F1/206)} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A system is disclosed for detecting if a remote device is associated with a power supply. The system may have a controller having machine readable, non-transitory executable code running thereon for varying a characteristic of a signal being applied to the power supply. The controller further may be configured to compare a measurement obtained from a measurement subsystem relating to a measured signal present at the remote device. The controller may also be configured to make a comparison between the signal being applied to the power supply and the measured signal obtained at the remote device, and to determine whether the remote device is electrically associated with the power supply. ## Claims ### Claim 1 A system for detecting if a remote device is associated with a power supply, the system comprising: a controller having machine readable, non-transitory executable code running thereon for varying a characteristic of a signal being applied to the power supply; the controller further being configured to: receive a measurement of an electrical signal obtained by a measurement subsystem of the remote device, and transmitted from the remote device; compare the received measurement obtained from the measurement subsystem relating to a measured input signal at a power input of the remote device with the signal being applied to the power supply; and based on a comparison between the signal being applied to the power supply and the measured input signal being applied at the power input of the remote device, determining whether the remote device is electrically associated with the power supply. ### Claim 2 (depends on 1) The system of claim 1, wherein the signal being applied to the power supply is an input voltage signal, and the characteristic comprises a magnitude of the input voltage signal. ### Claim 3 (depends on 2) The system of claim 2, wherein the magnitude of the input voltage signal is varied by a percentage of between about 1.5%-2.0%. ### Claim 4 (depends on 1) The system of claim 1, wherein the signal being applied to the power supply is an alternating current input signal, and the characteristic comprises a frequency of the alternating current input signal. ### Claim 5 A system for detecting if a remote power providing device is associated with a power supply, wherein the remote power providing device is upstream of the power supply, the system comprising: a controller having machine readable, non-transitory executable code running thereon for varying an input characteristic of the power supply; the controller further being configured to: perform an analysis of a measurement obtained from a measurement subsystem relating to a measured characteristic of power being provided from the remote power providing device, while the controller is varying the input characteristic of the power supply; and based on the analysis, determining whether the remote power providing device is electrically associated with the power supply; and wherein the varying of the input characteristic of the power supply includes generating a signal instructing the power supply to vary its input power factor, and the measured characteristic of power is a change in a power factor of the power being provided from the remote power providing device to the power supply. ### Claim 6 (depends on 5) The system of claim 5, wherein the controller varies the input power factor by a percentage between about 1%-3%. ### Claim 7 (depends on 1) The system of claim 1, wherein a plurality of the remote devices are present, and wherein the controller is configured to perform the comparison in connection with a measured input signal obtained from each of the plurality of remote devices, to determine which one or more of the plurality of remote devices are associated with the power supply. ### Claim 8 (depends on 7) The system of claim 7, wherein the determination as to which one or more of the plurality of remote devices are associated with the power supply indicates which ones of the plurality of remote devices are being powered by the power supply. ### Claim 9 (depends on 1) The system of claim 1, wherein the controller varies the characteristic of the signal being applied to the power supply for a predetermined time duration. ### Claim 10 (depends on 9) The system of claim 9, wherein the predetermined time duration is one hour or less. ### Claim 11 A system for detecting and mapping which ones of a plurality of electrically powered devices are being powered by a power supply, the system comprising: a controller having machine readable, non-transitory executable code running thereon for varying a characteristic of a power output signal being supplied by the power supply, by a predetermined amount, to produce a modified input signal for application to one or more electrically powered devices downstream of the power supply; and the controller further being configured to: compare electrical signal measurements obtained by, and received from, a measurement subsystem, each said electrical signal measurement relating to a measured input signal present at an input of each of the plurality of electrically powered devices; and based on comparisons between the measured input signals and the modified input signal, to detect which ones of the plurality of electrically powered devices are being powered by the given power supply. ### Claim 12 (depends on 11) The system of claim 11, wherein the characteristic of the power output signal comprises a voltage. ### Claim 13 (depends on 11) The system of claim 11, wherein the characteristic of the power output signal comprises a frequency. ### Claim 14 (depends on 11) The system of claim 11, wherein the given power supply comprises an uninterruptible power supply (UPS). ### Claim 15 A method for detecting if a remote device is associated with a power supply, the method comprising: using a controller having machine readable, non-transitory executable code running thereon to vary a characteristic of a signal being applied to the power supply; using the controller to: receive and compare an electrical signal measurement obtained from a measurement subsystem relating to a measured input signal associated with the remote device; and determine, based on a comparison between the signal being applied to the power supply and the measured input signal associated with the remote device, indicated by the electrical signal measurement, whether the remote device is electrically associated with the power supply. ### Claim 16 (depends on 15) The method of claim 15, wherein said varying a characteristic of a signal being applied to the power supply comprises varying one of: a magnitude of an input voltage signal being applied to the power supply; and a frequency of the input voltage signal being applied to the power supply. ### Claim 17 A method for detecting if a power supply is associated with a remote power providing device upstream of the power supply, the method comprising: using a controller having machine readable, non-transitory executable code running thereon to vary a characteristic of a signal being applied to an input of the power supply; using the controller to: compare a measurement obtained from a measurement subsystem relating to a characteristic of an output signal associated with the remote power providing device with the signal being applied to the input of the power supply, to determine whether the remote power providing device is electrically associated with the power supply; and wherein said varying a characteristic of a signal being applied to the input of the power supply comprises using the signal to instruct the power supply to vary its input power factor, and the characteristic is a magnitude of change of the input power factor. ### Claim 18 (depends on 17) The method of claim 17, wherein said varying a characteristic of a signal being applied to an input of the power supply comprises varying an input power factor of the power supply.