Highly flexible, electrical distribution grid edge energy manager and router
An electrical distribution grid energy management and router device, or GER device, may be installed in a distribution grid, and route power from power supply to one or more power consumers. The GER devices described herein may provide platforms to add one or more features to a distribution transformer, provide additional features and benefits to both the utility company and end consumer, and may serve as a platform for providing other features. A GER device may include sensors to measure electrical properties of incoming and outgoing power, and may include an electrical circuit layer having a central DC power stage. A GER device may include a physical layer providing a communications platform for one or more communication devices that may communicate with other GER devices to form a micro-grid, a utility, power consumers, third parties, and other electrical devices.
1. An energy management device for placement on a portion of an electrical distribution grid downstream of a source connection and upstream of an energy consumer connection, the energy management device comprising:
(i) a primary electrical connection terminal for receiving power from a source connection, the primary electrical connection terminal comprising a first voltage sensor and a first current sensor;
(ii) at least one secondary electrical connection terminal for providing power to a consumer, the at least one secondary electrical connection terminal comprising a second voltage sensor and a second current sensor;
(iii) a modular electrical circuit layer in electrical communication with the primary electrical connection terminal and the at least one secondary electrical connection terminal, the electrical circuit layer in thermal connection with a heat exchange system for dissipation of heat generated by the electrical circuit layer;
(iv) an internal performance sensor for monitoring a performance parameter of the device;
(v) a controller layer configured to control the electrical circuit layer, the control layer comprising at least one computer processor and nonvolatile memory coupled to the computer processor in operable communication with the first and second voltage sensors, the first and second current sensors, and the internal performance sensor, so as to receive an output signal from the first and second voltage sensors and the first and second current sensors and an internal performance signal from the internal performance sensor; and
(vi) a physical layer comprising at least one communication device in operable communication with the controller layer;
(vii) wherein the nonvolatile memory comprises computer program code embodied therein that, when executed by the processor, perform operations comprising:
(a) receiving the internal performance signal;
(b) comparing the internal performance signal to a reference value; and
(c) using the communication device, transmitting to an end user data relating to the performance signal following such comparing.
2. The energy management device of claim 1 , wherein the modular electrical circuit layer further comprises a central DC power stage, and further comprising at least one bidirectional DC power connection port configured for electrical communication with a DC power resource, the at least one DC power connection port in electrical communication with the central DC power stage.
3. The energy management device of claim 1 , wherein the modular electrical circuit layer further comprises a central DC power stage, and further comprising at least one AC power connection port configured for electrical communication with an AC power source, the at least one AC power connection port in electrical communication with an AC-to-DC power converter, the AC-to-DC power converter in electrical communication with the central DC stage.
4. The energy management device of claim 1 , wherein the device is configured for mounting on at least one of a pole, a pad, and a building.
5. The energy management device of claim 1 , further comprising an outer enclosure enclosing at least the modular electrical circuit layer, the enclosure configured for mounting on at least one of a pole, a pad, and a building.
6. The energy management device of claim 1 , further comprising a meter for measuring load on the device, the meter in communication with the controller layer.
7. The energy management device of claim 1 , wherein further comprising a current sense connection socket configured for electrical communication with a current sense cable.
8. The energy management device of claim 1 , wherein the primary electrical connection terminal is connected to one of an output of a distribution transformer and an output of a power substation.
9. The energy management device of claim 1 , further comprising a bi-directional direct current connection point configured to receive power from a direct current source.
10. The energy management device of claim 1 , further comprising an outer enclosure enclosing an interior side of the heat exchange system, the outer enclosure configured for mounting to one of an electrical pole, a transformer pad, a transformer pad extension, and a building.
11. The energy management device of claim 1 , wherein the modular electrical circuit layer further comprises at least one harmonics filter.
12. The energy management device of claim 1 , wherein the communication device is configured to receive data indicative of at least one of power provided to at least one consumer, and power demanded by the at least one consumer.
13. The energy management device of claim 1 , wherein the communication device is configured to communicate with a second energy management device.
14. The energy management device of claim 1 , wherein the computer program code, when executed by the processor, performs operation comprising:
(a) using the communication device, transmitting to the end user data relating to the output signal;
(b) responsive to a grid event, execute a managing command; and
(c) using the communication device, transmitting to the end user data relating to the output signal following execution of such managing command.
15. The energy management device of claim 1 , wherein the computer program code, when executed by the processor, performs operation comprising:
(a) identifying a micro-grid formation event;
(b) using the communication device, transmitting a grid formation message to at least one other energy management device in communication with the energy management device;
(c) using the communication device, receiving data from the at east one other energy management device; and
(d) forming a micro-grid with the at least one other energy management device.
16. The energy management device of claim 15 , wherein the operations further comprise identifying a master energy management device.
17. The energy management device of claim 1 , further comprising a high-to-low voltage converter.
18. The energy management device of claim 1 , wherein the modular electrical circuit layer further comprises a Power Factor Correction stage and a Voltage Regulation stage.
19. The energy management device of claim 18 , wherein the modular electrical circuit layer further comprises at least one harmonics filter.
20. The energy management device of claim 1 , wherein the modular electrical circuit layer further comprises a Power Factor Correction stage and a Voltage Regulation stage, wherein the Power Factor Correction stage and Voltage Regulation stage are disposed on opposite sides of a central DC power stage, thereby providing harmonic isolation between the primary electrical connection terminal and at least one of the at least one secondary electrical connection terminals.
21. The energy management device of claim 1 , further comprising a Power Quality Meter, for measuring power quality of the primary electrical connection terminal and the at least one secondary electrical terminal.