SYSTEM AND METHOD FOR CONSERVING AUXILIARY ENERGY
An energy storage system includes an array controller configured to dispatch a required power flow across a first set of battery cores of a plurality of battery cores to operate the first set of battery cores in an online mode. The array controller is configured to instruct at least one power conversion system (PCS) of a second set of battery cores to operate in a standby mode to conserve auxiliary energy. The standby mode causes disabling of HVAC equipment of the at least one PCS of the second set of battery cores; and energizing and connecting an AC bus, a DC bus, or both but not running a power conversion unit of the second set of battery cores. The array controller is further configured to monitor environmental condition data of at least one PCS of the plurality of battery cores operating in the standby mode or the online mode.
1 . An energy storage system, comprising:
a battery array including:
a plurality of battery cores including a first set of battery cores and a second set of battery cores, wherein each of the battery cores include:
at least one power conversion system (PCS), the at least one PCS including a power conversion unit, heating, venting, and air conditioning (HVAC) equipment, and at least one environmental sensor to detect environmental condition data; and
at least one energy storage node including a battery storage element and a node controller to receive battery data from the battery storage element and the environmental condition data from the at least one PCS; and
an array controller to control the first set of battery cores to operate in an online mode to dispatch a required power flow and a second set of battery cores to operate in a standby mode to conserve auxiliary energy;
wherein the array controller is configured to:
receive or store the required power flow for an electrical application or a power capacity;
dispatch the required power flow across the first set of battery cores operating in the online mode;
instruct the at least one PCS of the second set of battery cores to operate in the standby mode to cause:
disabling of the HVAC equipment of the at least one PCS of the second set of battery cores; and
energizing and connecting an AC bus, a DC bus, or both but not running the power conversion unit of the second set of battery cores; and
monitor the environmental condition data of the at least one PCS of each of the plurality of battery cores operating in the online mode or the standby mode.
2 . The energy storage system of claim 1 , wherein the array controller is configured to:
instruct the at least one PCS of the second set of battery cores to operate in the online mode or the standby mode based on the environmental condition data of the first set of battery cores not satisfying an environmental limit; and
instruct the at least one PCS of the first set of battery cores to operate in the standby mode in response to the power capacity being satisfied by the second set of battery cores.
3 . The energy storage system of claim 2 , wherein the environmental condition data includes temperature, humidity, or a combination thereof.
4 . The energy storage system of claim 1 , wherein the array controller is configured to:
run the power conversion unit of the at least one PCS of the second set of battery cores to enter the online mode in response to a battery state derived from the battery data of the first set of battery cores not satisfying a battery threshold.
5 . The energy storage system of claim 4 , wherein the battery state includes state of charge, voltage, temperature, or a combination thereof.
6 . The energy storage system of claim 5 , wherein the battery state includes the state of charge and the battery threshold includes a state of charge limit.
7 . The energy storage system of claim 1 , wherein the node controller is configured to:
swap the first set of battery cores and the second set of battery cores based on a schedule that includes at least one time-based parameter.
8 . A non-transitory computer-readable medium, comprising auxiliary energy conservation programming, wherein execution of the auxiliary energy conservation programming by one or more processors configures one or more controllers to:
receive or store a required power flow for an electrical application or a power capacity;
dispatch the required power flow across a first set of battery cores of a plurality of battery cores to operate the first set of battery cores in an online mode, wherein each of the battery cores include:
at least one power conversion system (PCS), the at least one PCS including a power conversion unit, heating, venting, and air conditioning (HVAC) equipment, and at least one environmental sensor to detect environmental condition data; and
at least one energy storage node including a battery storage element and a node controller to receive battery data from the battery storage element and the environmental condition data from the at least one PCS;
instruct the at least one PCS of a second set of battery cores of the plurality of battery cores to operate in a standby mode to conserve auxiliary energy to cause:
disabling of the HVAC equipment of the at least one PCS of the second set of battery cores; and
energizing and connecting an AC bus, a DC bus, or both but not running the power conversion unit of the second set of battery cores; and
monitor environmental condition data of the at least one PCS of each of the plurality of battery cores operating in the online mode or the standby mode.
9 . The non-transitory computer-readable medium of claim 8 , wherein execution of the auxiliary energy conservation programming by one or more processors configures one or more controllers to:
instruct the at least one PCS of the second set of battery cores to operate in the online mode or the standby mode based on the environmental condition data of the first set of battery cores not satisfying an environmental limit; and
instruct the at least one PCS of the first set of battery cores to operate in the standby mode in response to the power capacity being satisfied by the second set of battery cores.
10 . The non-transitory computer-readable medium of claim 9 , wherein the environmental condition data includes temperature, humidity, or a combination thereof.
11 . The non-transitory computer-readable medium of claim 8 , wherein execution of the auxiliary energy conservation programming by one or more processors configures one or more controllers to:
run the power conversion unit of the at least one PCS of the second set of battery cores to enter the online mode in response to a battery state derived from the battery data of the first set of battery cores not satisfying a battery threshold.
12 . The non-transitory computer-readable medium of claim 11 , wherein the battery state includes state of charge, voltage, temperature, or a combination thereof.
13 . The non-transitory computer-readable medium of claim 12 , wherein the battery state includes the state of charge and the battery threshold includes a state of charge limit.
14 . The non-transitory computer-readable medium of claim 8 , wherein execution of the auxiliary energy conservation by one or more processors configures one or more controllers to:
swap the first set of battery cores and the second set of battery cores based on a schedule that includes at least one time-based parameter.
15 . A method, comprising:
receiving or storing a required power flow for an electrical application or a power capacity;
dispatching the required power flow across a first set of battery cores of a plurality of battery cores to operate the first set of battery cores in an online mode, wherein each of the battery cores include:
at least one power conversion system (PCS), the at least one PCS including a power conversion unit, heating, venting, and air conditioning (HVAC) equipment, and at least one environmental sensor to detect environmental condition data; and
at least one energy storage node including a battery storage element and a node controller to receive battery data from the battery storage element and the environmental condition data from the at least one PCS;
instructing the at least one PCS of a second set of battery cores of the plurality of battery cores to operate in a standby mode to conserve auxiliary energy to cause:
disabling of the HVAC equipment of the at least one PCS of the second set of battery cores; and
energizing and connecting an AC bus, a DC bus, or both but not running the power conversion unit of the second set of battery cores; and
monitoring environmental condition data of the at least one PCS of each of the plurality of battery cores operating in the online mode or the standby mode.
16 . The method of claim 15 , further comprising:
instruct the at least one PCS of the second set of battery cores to operate in the online mode or the standby mode based on the environmental condition data of the first set of battery cores not satisfying an environmental limit; and
instruct the at least one PCS of the first set of battery cores to operate in the standby mode in response to the power capacity being satisfied by the second set of battery cores.
17 . The method of claim 16 , wherein the environmental condition data includes temperature, humidity, or a combination thereof.
18 . The method of claim 15 , further comprising:
running the power conversion unit of the at least one PCS of the second set of battery cores to enter the online mode in response to a battery state derived from the battery data of the first set of battery cores not satisfying a battery threshold.
19 . The method of claim 18 , wherein the battery state includes state of charge, voltage, temperature, or a combination thereof.
20 . The method of claim 19 , wherein the battery state includes the state of charge and the battery threshold includes a state of charge limit.