摘要:
The present invention relates to a power management system (PMS) for multiple energy storage systems (ESS) that is for integrated management of the system having multiple ESS for controlling a frequency and having a hierarchical control structure. The PMS for ESS comprises: a plurality of ESS; a local management system (LMS) for managing one or more ESS of the plurality of ESS for each local unit; an ESS Controller (ESSC) for general management of the LMS, judging a state of the LMS and determining an output value of one or more ESS in the LMS, and transmitting the determined output value to the respective ESS; and a PMS for general management of the entire system comprising the plurality of ESS, the LMS and the ESSC, judging the state of the entire system and participating in a power grid frequency control market through a grid operator contract, controlling the output of the LMS, and adjusting a control parameter for output control.
摘要:
The present invention relates to a large capacity battery system for managing a large capacity battery used for power system frequency regulation and a large capacity battery operation method. A method for operating a large capacity battery used for power system frequency regulation in a large capacity battery system for managing the large capacity battery according to the present invention comprises the steps of: calculating an estimated frequency regulation signal for the next day using history information of past frequency regulation signals; calculating a bidding capacity and a basic value for the large capacity battery, matched to the estimated frequency regulation signal; determining an operation plan using the calculated bidding capacity and basic value; bidding the bidding capacity and basic value for the large capacity battery according to the operation plan on the day-ahead frequency regulation market; and when the bidding of the bidding capacity and basic value for the large capacity battery has been successful on the day-ahead frequency regulation market, receiving a frequency regulation signal from the real-time frequency regulation market and storing the same, and operating the large capacity battery according to the received frequency regulation signal.