H02J3/00

PLANT FOR MELTING AND/OR HEATING METAL MATERIAL, AND METHOD TO SUPPLY ELECTRICAL ENERGY TO SAID PLANT
20230236573 · 2023-07-27 ·

Embodiments concern a plant for melting and/or heating metal material and a corresponding method to supply electrical energy. The plant comprises at least one induction furnace (11) and means (12) for supplying electrical energy to the induction furnace 11), wherein the electric power supply means (12) comprise at least one transformer (13) connected to an alternating current mains power network (14), at least one rectifier (15) located downstream of the transformer (13), at least one converter (16) located downstream of the rectifier device (15), and at least one coil (17) for melting and/or heating metal material.

METHODS AND SYSTEMS FOR AN AUTOMATED UTILITY MARKETPLACE PLATFORM

A platform and components for an automated consumer retail utility marketplace are provided, including components for machine learning, components for gamification, and components for supporting a related consumer mobile application that enables improved visibility and control by a consumer over its interaction with energy markets.

ACTIVE POWER CONTROL IN RENEWABLE POWER PLANTS FOR GRID STABILISATION
20230006443 · 2023-01-05 ·

Aspects of the present invention relate to a method for controlling a renewable power plant connected to a power network to reduce deviation of a measured frequency of the power network from a target frequency. The method comprises determining a forecasted power gradient over a forecast interval defined between a first time point and a second time point, and, at a third time point during the forecast interval, controlling the power plant to output active power according to a minimum active power level if the measured frequency at the third time point is below the target frequency, controlling the power plant to output active power according to a maximum active power level if the measured frequency at the third time point is above the target frequency. The maximum and minimum active power levels are based on the forecasted power gradient.

ELECTRICALLY DRIVEN DISTRIBUTED PROPULSION SYSTEM
20230238799 · 2023-07-27 ·

A method and system for operating a hybrid propulsion system, includes controllably providing a first power to a first bus and a first inverter, electrically coupling a first motor with a second inverter by way of a second bus, operably converting, by the second inverter, the first power received by the first inverter to a starting power adapted for starting the first motor, and increasing, by the second inverter, the starting power to match the first power received.

ELECTRICALLY DRIVEN DISTRIBUTED PROPULSION SYSTEM
20230238799 · 2023-07-27 ·

A method and system for operating a hybrid propulsion system, includes controllably providing a first power to a first bus and a first inverter, electrically coupling a first motor with a second inverter by way of a second bus, operably converting, by the second inverter, the first power received by the first inverter to a starting power adapted for starting the first motor, and increasing, by the second inverter, the starting power to match the first power received.

DYNAMIC HOSTING CAPACITY ANALYSIS FRAMEWORK FOR DISTRIBUTION SYSTEM PLANNING
20230238801 · 2023-07-27 ·

Example implementations described herein involve a generic dynamic time-series hosting capacity analysis framework, which take into account distributed energy resources (DERs) dynamics and system dynamics. The example implementations described herein can further improve the computational efficiency and accuracy of hosting capacity analysis process. Example implementations can involve systems and methods that receive data input comprising system profiles and topology information of a distribution system having a plurality of DER nodes in an interconnect; execute feeder topology analysis on the topology information to generate output analysis; execute scenario management on the system profiles to generate simulation scenario sets; and load and execute a simulation flow from the simulation scenario sets and the output analysis.

SYSTEMS, DEVICES AND METHODS FOR POWER MANAGEMENT AND POWER ESTIMATION
20230238800 · 2023-07-27 ·

A microcontroller powered by a power management integrated circuit (PMIC) includes a plurality of cores. A first core of the microcontroller can be configured to implement a system power transient management component. One or more other or second cores of the microcontroller can be configured to implement one or more applications. The system power transient management component implemented by the first core can be configured to dynamically identify an expected load transient event to occur in the microcontroller, determine power control data to optimize a response to the identified expected load transient event, the power control data comprising a power control mode and associated parameters, and provide the power control data to the power management integrated circuit (PMIC).

Arrangement for equalizing voltage drops in a power supply mains and method for equalizing voltage drops in a power supply mains

An embodiment relates to an arrangement for equalizing voltage drops in a power supply mains having a first mains supply and a second mains supply. The arrangement includes at least one first converter system and one second converter system, to which intermediate circuits are coupled and which form a mains coupling as a result. The first mains supply is connected to a distributor via a decoupling inductor, a voltage measurement and a first switch. The second mains supply is connected to the distributor via a second switch, and wherein the mains coupling is arranged parallel to the second switch.

Dual-battery charging and discharging method and apparatus, terminal, and storage medium
11715960 · 2023-08-01 · ·

A dual-battery charging and discharging method is described to be used for a dual-screen terminal. The method includes: obtaining a state identifier of the first display screen and a state identifier of the second display screen; determining whether the dual-screen terminal is in a charging state; in response to determining that the dual-screen terminal is in a charging state, controlling the first battery and the second battery to be charged according to the state identifier of the first display screen and the state identifier of the second display screen; and in response to determining that the dual-screen terminal is not in a charging state, controlling whether the first battery and the second battery supply power to the dual-screen terminal according to the state identifier of the first display screen and the state identifier of the second display screen.

Scalable rules-based object-oriented power system control scheme

Systems and apparatuses include a non-transitory computer readable media having computer-executable instructions embodied therein that, when executed by a circuit of a power system, causes the power system to perform functions to activate and deactivate routes. The functions include determining a plurality of source objects, each including source functions and being assigned a position on a one-line topology; determining one or more switch objects, each including switch functions and being assigned a position on the one-line topology; determining one or more bus objects, each including bus functions and being assigned a position on the one-line topology; determining one or more load objects, each including load functions and being assigned a position on the one-line topology; and allocating each object to one of a plurality of controllers, each of the controllers structured to cooperatively perform the source functions, the switch functions, the bus functions, and the load functions to provide operation of the system.