According to an embodiment of the present invention, there is provided a method for managing charging and discharging of an energy storage system (ESS) group for voltage stabilization of a grid having a distributed resource connected thereto in a power management device, the method including measuring a voltage and current amount of the grid to which the distributed resource is connected, performing control so that a voltage of the grid to which the distributed resource is connected is reduced through charging of an ESS group to be charged, by determining that a plurality of ESSs connected to a power distribution line are required to be charged when it is confirmed that the voltage and current amount of the grid to which the distributed resource is connected are greater than a preset reference voltage and current amount, calculating a required charge amount through a difference between the voltage and current amount of the grid to which the distributed resource is connected and the reference voltage and current amount, checking the chargeable capacity for each of ESS groups in which the plurality of ESSs are classified according to a preset condition, selecting the ESS group to be charged from among the ESS groups based on the required charge amount and the chargeable capacity for each ESS group, and transmitting a charging command for the required charge amount to the ESS group to be charged, performing control so that the voltage of the grid to which the distributed resource is connected is increased through charging of an ESS group to be discharged, by determining that the plurality of ESSs are required to be discharged when it is confirmed that the voltage and current amount of the grid to which the distributed resource is connected are smaller than the reference voltage and current amount, calculating a required discharge amount through the difference between the voltage and current amount of the grid to which the distributed resource is connected and the reference voltage and current amount, checking the dischargeable capacity for each of the ESS groups, selecting the ESS group to be discharged from among the ESS groups based on the required discharge amount and the dischargeable capacity for each ESS group, and transmitting a discharging command for the required discharge amount to the ESS group to be discharged, calculating a voltage control amount through a charge amount and a discharge amount for each ESS group when the voltage of the grid to which the distributed resource is connected is stabilized by charging and discharging the plurality of ESSs, and providing a performance incentive for voltage stabilization to the ESS group in which it is co

Disclosed herein are systems and methods to perform hybridized transmission switching of an electric power system to avoid exceeding line ratings and minimize load shedding.

A system, a device, a method, a communication protocol, and/or the like, for energy management in a fragment, heterogeneous, electrical grid. The grid may include multiple types of power generation systems, electrical energy storage systems, electrical loads, and efficiently managing these systems may require elements that will bridge the technology gap of these systems, as well as provide best-effort power generation and consumption in order to stabilize the grid. These techniques are especially important in differentiated electric energy networks, such as micro-grids, island grids, virtual power plants, and/or the like.

The present disclosure envisages a hybrid energy storage system (HESS) for power management of a microgrid. The system includes a plurality of renewable energy sources (RES), a plurality of power converters, a DC bus and a power management controller. Each RES is configured to generate a current I.sub.RES. Each RES is connected to a power converter. Each power converter generates a DC voltage V.sub.dc from the current I.sub.RES. The DC bus is connected to the plurality of power converters. The DC bus receives the DC voltage V.sub.dc. The power management controller controls a battery energy storage system (BESS) and a supercapacitor energy storage system (SCSS). The BESS includes a battery which is connected to receive the DC voltage V.sub.dc and generate a battery current i.sub.batt. The SCSS includes a supercapacitor which is connected to receive the DC voltage V.sub.dc and generate a supercapacitor current isc.

A system and method for energy distribution leveraging dynamic feedforward allocation of distributed energy storage using multiple energy distribution pathways to maximize load-balancing to accelerate return on investment, reduce system energy consumption, and maximize utilization of existing energy infrastructure particularly for modular construction.

The present disclosure relates to using a coating to protect a portion of an optical fiber that is intended to buckle within a fiber optic connector. The fiber optic connector can include a bare fiber optical connector.

Methods, systems, and computer readable mediums determining a system state of a power system using a convolutional neural network using a convolutional neural network are disclosed. One method includes converting power grid topology data corresponding to a power system into a power system matrix representation input and applying the power system matrix representation input to a plurality of convolutional layers of a deep convolutional neural network (CNN) structure in a sequential manner to generate one or more feature maps. The method further includes applying the one or more feature maps to a fully connected layer (FCL) operation for generating a respective one or more voltage vectors representing a system state of the power system.

A system for transferring energy based on predicted outages is described herein.

The present disclosure is directed to systems and methods for economically optimal control of an electrical system. A two-stage controller includes an optimizer and a high speed controller to effectuate a change to one or more components of the electrical system. The high speed controller receives a set of control parameters for an upcoming extended time period. The control parameters include a plurality of bounds for an adjusted net power of the electrical system. The high speed controller sets an energy storage system command control variable (ESS command) based on a state of adjusted net power of the electrical system and the set of control parameters.

An intelligent impedance injection module is for use with transmission lines in a power grid. The intelligent impedance injection module has a plurality of transformer-less impedance injector units and a controller. The controller changes injector gain of the impedance injector units to compensate for current swings in a transmission line.