Patent classifications
H02J2103/35
Method for operating a power supply network, computer program and electronically readable data carrier
The teachings herein include methods for operating a low- or medium-voltage power supply network including lines and a plurality of systems connected thereto. The method may include: providing GIS data with geographic location information relating to the power supply network; producing a branch model of the lines on the basis of the GIS data, including determining a starting probability for connections; providing system data characterizing at least one system; producing a prior model of the network by combining the branch model with the system data, including determining a starting probability for the system; generating an input state describing a possible state of the power supply network described by the prior model; carrying out a load flow simulation calculating a state variable on the basis of the input state; determining a state model of the power supply network on the basis of the state variable; and operating the power supply network based on the state model.
System and method of forcasting the impact of different energy technologies on power consumption and/or cost
A method of forecasting the combined impact the introduction of energy technology solutions will have on the energy consumption at a site. The method comprises selecting a plurality of energy technology solutions suitable for use at the site; and generating energy usage data for the site in predetermined time intervals over a predetermined duration. Energy impact data is created for each selected energy technology solution over each predetermined time interval to generate impacted energy data for each selected energy technology solution in a sequential manner. A combined impacted energy data is compared against the energy usage data for the site to determine a forecast combined impact the introduction of the selected energy technology solutions will have on the energy consumption at the site.
ENERGY MANAGEMENT SYSTEM
An energy management system includes a plurality of electrical consumers, an asset aggregator. The plurality of electrical consumers is configured to consume electrical power supplied by an electrical power grid. The plurality of electrical consumers is within a geographical region. The asset aggregator is configured to control the supply of electrical power to the plurality of electrical consumers in the geographical region and to control the supply of electrical power from each of the plurality of electrical consumers to the electrical power grid. The supply of electrical power from each of the plurality of electrical consumers being based on a predicted demand.
ELECTRICITY PEAK DEMAND FORECAST MEDIATED GRID MANAGEMENT PLATFORM
A grid management platform is disclosed for predicting and mitigating peak electricity demand events using probabilistic modeling and cost-optimized control. The system includes a likelihood model that evaluates the probability of each remaining day within an evaluation interval being the peak load day. This is achieved through a Monte Carlo simulation engine that generates multiple stochastic realizations of future load trajectories based on historical data, forecast data, and forecast error profiles derived from back testing. The system computes likelihood scores and classifies days using optimized bin thresholds that minimize operational cost, considering demand charges, available distributed energy resources, and forecast uncertainty. Based on the predicted likelihoods, the platform generates actionable insights and transmits control signals to grid-connected assets such as batteries, HVAC systems, and electric vehicle chargers to shift or reduce load during predicted peak periods.
VOLTAGE CONTROL DEVICE, METHOD FOR DETERMINING THE OPTIMIZED MULTI-MEASUREMENT OPERATING POINT WITH CAPABILITY FOR ARTIFICIAL INTELLIGENCE AND VOLTAGE CONTROL SYSTEM IN BRANCHED NETWORK FOR VOLTAGE REGULATORS
A voltage controller device, a method for determining the optimized operating point and a voltage control system for branched electrical energy distribution networks including voltage meters installed at the points where it is of interest to control the voltage, internally having communication in the LPWA standard. An LPWA modem collects this information and passes it on to the Branched Network Voltage Controller, which internally has the specialist algorithm for the calculation of the Tap that must be selected in the Voltage Regulator so that the voltages at all points of interest are as much as possible within the specified limits. For this, it sends a command to the Voltage Regulator controller in the form of a voltage at the input of the TP, being compatible with the legacy in the field, or in the form of a command in an application protocol for compatible Voltage Regulator controllers.
Methods and control systems for voltage control of renewable energy generators
Aspects of the present invention relate to a method for controlling a plurality of renewable energy generators. The method comprises: determining preliminary reactive power set points for the generators based on a reactive power reference value; determining generator-based and voltage-based reactive power limits for the generators; generating dispatch signals for requesting reactive power from the generators based on the preliminary set point and the limits; and dispatching the dispatch signals to the generators. The generator-based reactive power limits correspond to the reactive power capability of the generator. The voltage-based limits are determined by: determining a terminal voltage of the generator; comparing the determined terminal voltage to a voltage limit; and determining the voltage-based reactive power limit based on the comparison.
ANALYZING SUB-SYNCHRONOUS OSCILLATIONS IN A POWER SYSTEM
Detection of sub-synchronous oscillations in an electrical system for identifying, quantifying, and mitigating grid issues associated with large and fast load fluctuations. An Intelligent Electronic Device (IED) of an electrical system detects energy-related signals associated with the electrical system and processes the energy-related data to identify non-harmonic frequencies of interest. Values associated with the identified one or more non-harmonic frequencies of interest are quantified as a function of at least one of power, voltage, and current data. An alert representative of the quantified values exceeding a set of predefined magnitude limits for longer than a threshold duration may be generated.
IDLE POWER MANAGEMENT SYSTEM AND METHOD
An idle power management system and method are provided, wherein idle power that is available from an electrical power source can be transported to an electrical energy user in need of such power, via a transport entity having one or more transportable electrical energy storage devices.
COORDINATED OPTIMIZATION METHOD FOR VSC-HVDC FREQUENCY SYNCHRONIZATION CONTROL AND HYDRO POWER PRIMARY FREQUENCY REGULATION
A coordinated optimization method for VSC-HVDC Frequency Synchronization Control and primary frequency regulation of hydropower includes: obtaining optimal PI parameters of the VSC-HVDC Frequency Synchronization controller from a first layer output of a dual-layer optimization model for coordinated parameters of VSC-HVDC Frequency Synchronization and primary frequency regulation; and obtaining a target PID control parameters from a second layer output of the dual-layer optimization model. The coordinated optimization method further includes adjusting the optimal PI parameters of the synchronization controller based on the target selection range and updating the PID control parameters of the primary frequency regulation system of hydropower based on the target PID control parameters. This approach aims to address the challenge of balancing the frequency response speed between the VSC-HVDC synchronization system and the primary frequency regulation system of hydropower.
STANDARDIZED MICROGRID INTERFACING
Systems for microgrid interfacing may include a virtual resource platform (VRP) for integration and management of a plurality of integrated distributed energy resources (IDERs). The VRP may include at least one request-handling interface to process requests for interfacing IDERs, a driver identification engine to retrieve resource metadata attributes and identify compatible drivers, and a standardized application programming interface (API) for cross-platform compatibility. The VRP may further include a predictive energy manager. The predictive energy manager may fetch telemetry data from the IDERs, analyze the data using machine-learning-based models, and may generate energy management analysis products.