# US 10,455,654 B1 · Distributed low voltage power systems

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- Number: US 10,455,654 B1
- Document ID: US10455654B1
- Status: Granted
- Kind: B1
- Application number: 15/179,525
- Filed: 2016-06-10
- Granted: 2019-10-22
- Earliest claimed: 2014-05-28
- Assignees: Cooper Technologies Company
- Applicants: Cooper Technologies Company
- Inventors: James Christopher Andrews; James Moan; Liang Fang; William Lee Shiley
- Web page: https://patentgrep.com/patent/US10455654B1

## CPC

- H02J 13/1321: {using a wired telecommunication network or a data transmission bus}
- H05B 45/00: Circuit arrangements for operating light-emitting diodes [LED]
- H05B 45/37: Converter circuits
- H05B 47/175: by remote control
- H05B 47/198: {Grouping of control procedures or address assignation to light sources}
- Y02B 70/30: Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B 90/20: Smart grids as enabling technology in buildings sector (smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00)
- Y04S 20/246: the system involving the remote operation of lamps or lighting equipment
- Y04S 40/124: using wired telecommunication networks or data transmission busses
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS

## Abstract

A distributed low voltage power system is disclosed herein. The system can include a power source generating line voltage power, and a line voltage cable having a first end and a second end, where the line voltage end is coupled to the power source. The system can also include a power distribution module (PDM) having a power transfer device and an output channel. The system can further include a communication link coupled to the output channel of the PDM. The system can also include a point-of-load (POL) control device coupled to the output channel of the PDM using the communication link, where the POL control device generates a distributed LV signal using a LV signal received from the PDM. The system can further include at least one LV device coupled to the point-of-load control device, where the distributed LV signal provides power regulation to the at least one LV device.

## Claims

### Claim 1

A distributed low voltage power system, comprising:
a power source generating line voltage power;
a first line voltage cable comprising a first line voltage end and a second line voltage end, wherein the first line voltage end is coupled to the power source;
a first power distribution module (PDM) comprising a first power transfer device, wherein the second line voltage end of the first line voltage cable is coupled to the first PDM, wherein the first PDM receives input power from the power source through the first line voltage cable, wherein the first power transfer device generates a first low-voltage (LV) signal from the input power, and wherein the first PDM comprises a first output channel;
a first communication link coupled to the first output channel of the first PDM;
a first point-of-load (POL) control device of a plurality of POL control devices coupled to the first PDM, wherein the first POL control device is coupled to the first output channel of the first PDM using the first communication link, wherein the first POL control device generates at least one first distributed LV signal based on the first LV signal received from the first PDM; and
at least one first LV device coupled to the first POL control device, wherein the first POL control device sends the at least one first distributed LV signal to the at least one first LV device, wherein the first LV signal sent by the first PDM is specifically addressed to the first POL control device and the at least one first LV device, wherein the at least one first distributed LV signal provides power regulation to the at least one first LV device, and wherein only the first POL control device of the plurality of POL control devices executes instructions of the first LV signal.

### Claim 2 (depends on 1)

The distributed low voltage power system of claim 1, further comprising:
a second POL control device coupled to a second output channel of the first PDM using a second communication link, wherein the second POL control device generates at least one second distributed LV signal based on a second LV signal received from the first PDM; and
at least one second LV device coupled to the second POL control device, wherein the second POL control device sends the at least one second distributed LV signal to the at least one second LV device, wherein the at least one second distributed LV signal provides the power regulation to the at least one second LV device.

### Claim 3 (depends on 1)

The distributed low voltage power system of claim 1, further comprising:
a second line voltage cable having a third line voltage end and a fourth line voltage end, wherein the third line voltage end is coupled to the power source;
a second PDM comprising a second power transfer device, wherein the fourth line voltage end of the second line voltage cable is coupled to the second PDM, wherein the second PDM receives the input power from the power source through the second line voltage cable, wherein the second power transfer device generates a second LV signal from the input power, and wherein the second PDM comprises a second output channel;
a second communication link coupled to the second output channel of the second PDM;
a second POL control device coupled to the second PDM using the second communication link, wherein the second POL control device generates at least one second distributed LV signal based on the second LV signal received from the second PDM; and
at least one second LV device coupled to the second POL control device, wherein the second POL control device sends the at least one second distributed LV signal to the at least one second LV device, wherein the at least one second distributed LV signal provides power regulation to the at least one second LV device.

### Claim 4 (depends on 1)

The distributed low voltage power system of claim 1, wherein the first POL control device tracks activity of the at least one first LV device.

### Claim 5 (depends on 4)

The distributed low voltage power system of claim 4, wherein the first PDM further comprises a PDM controller communicably coupled to the first POL control device, wherein the PDM controller is configured to send local data of the PDM controller to the first POL control device and receive local data of the first POL control device from the first POL control device.

### Claim 6 (depends on 5)

The distributed low voltage power system of claim 5, further comprising:
at least one additional controller of a second PDM communicably coupled to the PDM controller of the first PDM, wherein the at least one additional controller sends system data of the at least one additional controller to the PDM controller and receives system data of the PDM controller from the PDM controller, wherein the system data of the PDM controller and the at least one additional controller comprises the local data.

### Claim 7 (depends on 1)

The distributed low voltage power system of claim 1, wherein the first LV signal transmits direct current power.

### Claim 8 (depends on 1)

The distributed low voltage power system of claim 1, wherein the at least one first LV device qualifies as a Class 2 device.

### Claim 9 (depends on 1)

The distributed low voltage power system of claim 1, wherein the first LV signal is sent by the first PDM specifically to the at least one first LV device and the first POL control device to which the first LV signal is addressed by the first PDM.

### Claim 10 (depends on 1)

The distributed low voltage power system of claim 1, wherein the at least one LV device is used for lighting applications.

### Claim 11 (depends on 1)

The distributed low voltage power system of claim 1, wherein the first POL control device comprises multiple output channels.

### Claim 12 (depends on 11)

The distributed low voltage power system of claim 11, wherein the at least one first LV device comprises a plurality of first LV devices connected in parallel with each other, wherein each of the plurality of first LV devices is coupled to one of the multiple output channels of the first POL control device.

### Claim 13 (depends on 11)

The distributed low voltage power system of claim 11, wherein the at least one first LV device performs a plurality of functions, wherein each output channel of the multiple output channels of the first POL control device provides the power regulation and control for a function of the plurality of functions.

### Claim 14 (depends on 1)

The distributed low voltage power system of claim 1, wherein the first communication link comprises an Ethernet cable.

### Claim 15 (depends on 1)

The distributed low voltage power system of claim 1, wherein the first LV signal is broadcast to the plurality of POL control devices coupled to the first PDM, wherein a remainder of the plurality of POL control devices has a different address than the first POL control device, wherein the remainder of the plurality of POL control devices receives and ignores the first LV signal.

### Claim 16 (depends on 15)

The distributed low voltage power system of claim 15, wherein the first LV signal is broadcast out of the first output channel.

### Claim 17

A point-of-load (POL) control module of a plurality of POL control modules, wherein the POL control module comprises:
an input portion configured to receive a first communication link that carries at least one low-voltage (LV) signal from a power distribution module (PDM), wherein the at least one LV signal is addressed to the POL control module and at least one LV device, wherein the PDM is coupled to the plurality of POL control modules;
an output section comprising a plurality of channels, wherein at least one of the plurality of channels of the output section is configured to be coupled to the at least one LV device; and
a controller device electrically coupled to the input portion and the output portion, wherein the controller device is configured to generate at least one distributed LV signal for the at least one LV device based on the at least one LV signal, wherein the controller is further configured to send the at least one distributed LV signal to the at least one LV device through at least one of the plurality of output channels, and wherein only the POL control module of the plurality of POL control modules executes instructions of the at least one LV signal.

### Claim 18 (depends on 17)

The POL control module of claim 17, wherein the at least one distributed LV signal is sent to the at least one LV device using at least one second communication link coupled to the output section.

### Claim 19 (depends on 17)

The POL control module of claim 17, wherein the at least one LV signal comprises power and communication signals.

### Claim 20 (depends on 17)

The POL control module of claim 17, wherein the controller device is further configured to avoid sending the at least one distributed LV signal to at least one additional LV device coupled to at least one of the plurality of channels, wherein the at least one additional LV device has a different address than the at least one LV device.