Meter collar adapter with electric load management and overcurrent protection
A meter collar adapter including a housing, a plurality of contacts to electrically connect the meter collar adapter to a meter socket and to a utility meter, and a load management device within the housing to manage electrical load to an interface circuit with external, co-located electric equipment. The load management device includes an interface circuit to electrically connect to either the line side or load side of an electrical service via the utility meter an external, co-located electric equipment. An interface contact to electrically connect the co-located electric equipment to the interface circuit, an overcurrent protection device electrically connected in series with the interface circuit, an adjustable electrical switch electrically configured to control electric load, and an energy management unit to control, monitor, and/or report a position of the adjustable electrical switch to manage the electrical loads.
1. A meter collar adapter, comprising:
a housing;
a plurality of contacts to electrically connect the meter collar adapter to a meter socket and to a utility meter; and
a load management device within the housing to manage electrical load to an external, co-located electric equipment, comprising:
an interface circuit to electrically connect at least one of a line side or a load side of a service line to the external, co-located electric equipment, wherein the interface circuit comprises connections, within the housing, with the service line,
an interface contact to electrically connect the co-located electric equipment to the interface circuit,
an overcurrent protection device electrically connected in series with the interface circuit,
an adjustable electrical switch electrically connected in series with the interface circuit and configured to control an amount of electrical load through the interface circuit, and
an energy management unit configured to:
measure electrical load through the meter collar adapter using one or more sensors within the housing that measure current on the line side of the service line; and
control a position of the adjustable electrical switch to manage the electrical load through the interface circuit to the co-located electric equipment.
2. The meter collar adapter of claim 1 , further comprising:
one or more electrical current sensors, connected to a supply side or the line side of the utility meter, to respectively measure electrical load drawn through the utility meter.
3. The meter collar adapter of claim 1 , wherein the overcurrent protection device is manually operable external to the load management device to disconnect the external, co-located electric equipment.
4. The meter collar adapter of claim 1 , further comprising one or more data transceivers to communicate data with the load management device.
5. The meter collar adapter of claim 4 , wherein the one or more data transceivers further communicate the data with other co-located electric equipment.
6. The meter collar adapter of claim 1 , further comprising a field-configurable interface to adjust a load current rating of the load management device to set open and close conditions for the adjustable electrical switch for disconnecting the co-located electric equipment.
7. The meter collar adapter of claim 1 , further comprising a visual indicator that is configured to indicate an open or closed status of the adjustable electrical switch.
8. The meter collar adapter of claim 1 , further comprising a touch-safe field-removable and reversible junction box in-line with the interface circuit to the electric equipment that facilitates the connection and disconnection of the interface circuit from the electric equipment without the need for tools.
9. The meter collar adapter of claim 1 , wherein the load management device is configured to manage electrical load from the co-located electrical equipment to the meter socket.
10. The meter collar adapter of claim 1 , wherein the energy management unit is configured to control the position of the adjustable electrical switch to manage the electrical load through the interface circuit from the co-located electric equipment to the meter socket.
11. The meter collar adapter of claim 1 , wherein the energy management unit is configured to control the position of the adjustable electrical switch to manage the electrical load through the interface circuit from the co-located electric equipment to the meter socket based on a service rating of a building to which the meter socket is attached.
12. A method comprising:
collecting current data from one or more current sensors located on at least one of a line side or a load side of a service line of a utility meter;
analyzing the current data to determine management of an electrical load to an external, co-located electric equipment by controlling an adjustable electrical switch of a load management device,
wherein the load management device comprises:
an interface circuit electrically connected at least one of the line side or the load side of the utility meter and electrically connected to the external, co-located electric equipment, wherein the interface circuit comprises connections, within the housing, with at least one of the line side or the load side, and
the adjustable electrical switch electrically connected in series with the interface circuit and configured to control an amount of electrical load through the interface circuit;
managing the electrical load through the interface circuit to the external, co-located electric equipment by controlling a position of the adjustable electrical switch by measuring the electrical load through the meter collar adapter using one or more sensors within the housing that measure current on the line side of the service line to control the position of the adjustable electrical switch.
13. The method of claim 12 , wherein the managing of the electrical load comprises at least one of:
setting an electrical current predetermined threshold for a total electrical load through the service line;
controlling the adjustable electrical switch when a measured current supplied through the service line to both the primary load and the interface circuit exceeds the predetermined threshold;
controlling the adjustable electrical switch when the measured current to both the primary load and interface circuit is below the predetermined threshold;
opening the adjustable electrical switch when the measured current supplied through the service line to both the primary load and the interface circuit exceeds the predetermined threshold; or
reclosing the adjustable electrical switch, after a time-delay, when the measured current supplied through the service line to both the primary load and interface circuit falls below a predetermined reset threshold, for a period of time.
14. The method of claim 12 , further comprising communicating data to stakeholders including customers, installers, aggregators, and investors.
15. The method of claim 12 , further comprising providing a visual indicator, that is controlled to indicate a position of the adjustable electrical switch.
16. The method of claim 12 , wherein a default state of the adjustable electrical switch includes at least one of:
a closed state, and the manual or automated opening of the adjustable electrical switch opens the interface circuit and resets control protocols; or
an open state, wherein the adjustable electrical switch is in the closed state after a selection of a control for a service rating for the load management device.
17. The method of claim 12 , further comprising communicating the measured data to any connected third party devices.
18. The method of claim 12 , further comprising managing electrical load from the co-located electrical equipment to the meter socket.
19. The method of claim 12 , further comprising controlling the position of the adjustable electrical switch to manage the electrical load through the interface circuit from the co-located electric equipment to the meter socket.
20. The method of claim 12 , further comprising controlling the position of the adjustable electrical switch to manage the electrical load through the interface circuit from the co-located electric equipment to the meter socket based on a service rating of a building to which the meter socket is attached.