Starting method of energy storage system, energy storage system and starting device
A starting method of an energy storage system is provided. The energy storage system includes at least one energy storage submodule. The energy storage submodule includes a power module and a battery module. The starting method includes: acquiring a first instruction; and controlling the battery module to charge the power module according to the first instruction. Through the starting method, the battery module of the energy storage submodule can be controlled to charge the power module when a power grid is in a completely black state so that the power module can be charged to have the power-on capability, thereby realizing the self-starting of the energy storage submodule and helping to increase the restoration speed of the power grid.
1 . A starting method of an energy storage system, wherein the energy storage system comprises at least one energy storage submodule, the energy storage submodule comprises a power module and a battery module, and the starting method comprises:
acquiring a first instruction; and
controlling the battery module to charge the power module according to the first instruction, wherein the controlling the battery module to charge the power module comprises connecting a first branch between the battery module and the power module according to the first instruction, wherein the first branch comprises a first switch,
wherein before acquiring the first instruction, the starting method comprises:
acquiring a second instruction; and
connecting a second branch between the battery module and the power module according to the second instruction, wherein the second branch comprises a second switch and a resistor which are connected in series.
2 . The starting method according to claim 1 , wherein the acquiring the first instruction comprises:
establishing a communication connection with a battery management controller BMC of the energy storage system; and
acquiring the first instruction and the second instruction from the BMC.
3 . The starting method according to claim 2 , wherein a battery monitoring module of the energy storage system communicates with the BMC, and the first instruction and the second instruction are sent to the BMC by the battery monitoring module.
4 . The starting method according to claim 3 , wherein a valve base controller (VBC) of the energy storage system communicates with the battery monitoring module, and the first instruction and/or the second instruction is sent to the battery monitoring module by the VBC.
5 . The starting method according to claim 2 , wherein a station control system (SCS) of the energy storage system communicates with at least one of a plurality of battery monitoring modules, and the first instruction and the second instruction are sent to the at least one battery monitoring module by the SCS.
6 . The starting method according to claim 2 , wherein a cloud server of the energy storage system communicates with at least one of a plurality of battery monitoring modules, and the first instruction and the second instruction are sent to the at least one battery monitoring module by the cloud server.
7 . The starting method according to claim 2 , wherein a valve base controller (VBC) of the energy storage system communicates with the BMC, and the first instruction and the second instruction are sent to the BMC by the VBC.
8 . The starting method according to claim 1 , wherein the acquiring the first instruction comprises:
acquiring the first instruction when the second branch is connected to enable the power module to reach a rated voltage.
9 . An energy storage system, comprising:
control modules and at least one energy storage submodule, and the energy storage submodule comprises a power module and a battery module,
wherein the control modules are configured to acquire a first instruction and control the battery module to charge the power module according to the first instruction,
wherein the control modules are configured to control a first branch between the battery module and the power module to be connected according to the first instruction, wherein the first branch comprises a first switch,
wherein before acquiring the first instruction, the control modules are configured to acquire a second instruction and control a second branch between the battery module and the power module to be connected according to the second instruction, wherein the second branch comprises a second switch and a resistor which are connected in series.
10 . The energy storage system according to claim 9 , comprising:
a battery management controller BMC; and
the BMC establishes a communication connection with at least one of the control modules, and the first instruction and the second instruction are sent to the control modules by the BMC.
11 . The energy storage system according to claim 10 , comprising:
a battery monitoring module; and
the battery monitoring module establishes a communication connection with the BMC, and the first instruction and the second instruction are sent to the BMC by the battery monitoring module.
12 . The energy storage system according to claim 11 , comprising:
a valve base controller (VBC); and
the VBC establishes a communication connection with the battery monitoring module, and the first instruction and the the second instruction are sent to the battery monitoring module by the VBC.
13 . The energy storage system according to claim 11 , comprising:
a station control system (SCS); and
the SCS establishes a communication connection with at least one of the battery monitoring modules, and the first instruction and the second instruction are sent to the battery monitoring module by the SCS.
14 . The energy storage system according to claim 11 , comprising:
a cloud server; and
the cloud server establishes a communication connection with at least one of a plurality of battery monitoring modules, and the first instruction and the second instruction are sent to the battery monitoring module by the cloud server.
15 . The energy storage system according to claim 9 , wherein when the control module controls a second branch to be connected so that the power module reaches a rated voltage, the control module acquires the first instruction and controls the first branch to be connected according to the first instruction.
16 . A starting device of the energy storage system, comprising:
a processor and a memory,
wherein a computer program instruction is stored in the memory, the processor is configured to execute the computer program instruction, and the processor executes the computer program instruction to implement the starting method of an energy storage system according to claim 1 .