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Voltage Stability Of Electric Power Systems

Systems, methods, and apparatus embodiments for electric power grid and network registration and management of active grid elements. Grid elements are transformed into active grid elements following initial registration of each grid element with the system, preferably through network-based communication between the grid elements and a coordinator, either in coordination with or outside of an IP-based communications network router. A multiplicity of active grid elements function in the grid for supply capacity, supply and/or load curtailment as supply or capacity. Also preferably, messaging is managed through a network by a Coordinator using IP messaging for communication with the grid elements, with the energy management system (EMS), and with the utilities, market participants, and/or grid operators.

System, method, and apparatus for electric power grid and network management of grid elements

A utility employs a method for estimating available operating reserve. Electric power consumption by at least one device serviced by the utility is determined during at least one period of time to produce power consumption data. The power consumption data is stored in a repository. A determination is made that a control event is to occur during which power is to be reduced to one or more devices. Prior to the control event and under an assumption that it is not to occur, power consumption behavior expected of the device(s) is estimated for a time period during which the control event is expected to occur based on the stored power consumption data. Additionally, prior to the control event, projected energy savings resulting from the control event are determined based on the devices' estimated power consumption behavior. An amount of available operating reserve is determined based on the projected energy savings.

System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management

Systems, methods, and apparatus embodiments for electric power grid and network registration and management of physical and financial settlement for participation of active grid elements in supply and/or curtailment of power, wherein Internet Protocol (IP)-based messages including IP packets are generated by transforming raw data content into settlement grade content. Settlement is provided for grid elements that participate in the electric power grid following initial registration of each grid element with the system, preferably through network-based communication between the grid elements and a coordinator, either in coordination with or outside of an IP-based communications network router. Messaging related to settlement is managed through a network by a Coordinator using IP messaging for communication with the grid elements, with the energy management system (EMS), and with the utilities, market participants, and/or grid operators.

System, method, and apparatus for settlement for participation in an electric power grid

A system for intelligent monitoring and management of an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acquires real-time data output from the electrical system. The power analytics server is comprised of a real-time energy pricing engine, virtual system modeling engine, an analytics engine, a machine learning engine and a schematic user interface creator engine. The real-time energy pricing engine generates real-time utility power pricing data. The virtual system modeling engine generates predicted data output for the electrical system. The analytics engine monitors real-time data output and predicted data output of the electrical system. The machine learning engine stores and processes patterns observed from the real-time data output and the predicted data output to forecast an aspect of the electrical system.

Real-time predictive systems for intelligent energy monitoring and management of electrical power networks

A power system is explained, which is characterized by the continuous formation and propagation of dynamic prices. The following additional equipments are installed: - a bidder, installed at the control room of each generation unit; - a scheduler and price designator installed at the control board of the system operator; - a price announcer installed at the control room of each generation unit; - a price ldquotransmuterrdquo installed at each grid node; - an intelligent electric meter installed at each grid branch and consumer outlet. All these devices run together in a sequential iterative process of preliminary bidding, clearing, adjustment and dispatching, followed by price designation, confirmation and conversion. This system enables the consumers to receive power and resulting price simultaneously for automatic control of their demand during every single price period, several seconds or minutes long.

Momentary power market

The paper presents methodological approach for asset management of electric distribution company through a policy, built upon the Risk based asset management. Here are shown the indicators by which the reliability of a distribution network is estimated and consequent cost of failure of equipment and missed benefits are determined. Using the described methodology the distribution companies could perform: qualitative and quantitative assessment of the risk, determination of measures to reduce the risk, and asset management based on the wise policy of the maximum acceptable risk.

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Risk based asset management of electrical distribution network

Challenges facing the European power transmission tariffs: The case of inter-TSO compensation

This article presents a kind of apologetics for cross-flow wind machines At the beginning, general knowledge and initial stages of development for S-type rotors are described The historical review continues with the stage of reduced interest, followed by the stage of enhanced interest after the oil crisis of 70-ies The main advancements and advantages are conveyed Historical evolution of cross-flow runners is also addressed A brief look on the evolution of coaxial wind and electrical rotors is provided as an introduction to the authors’ approach for advancements: a combination of improvements of the conventional wind rotors and of their coupling to the electricity generators The invented Wind Electric Machine Without Stators is quoted The development of competitive vertical axis wind machines is suggested as an important public task, which has to change the agenda of the wind industry

Evolution of the Advancements in Cross Axis Wind Electric Machines

The paper examines the errors occurring in power loss evaluation for electrical distribution networks as a result of the different (increased) duration of the time discretization intervals used for the step approximation of the load profiles of the supplied consumers. The relation between these errors and the magnitude of the index called “form factor” is also a subject of interest. Using the estimations of errors in function of the single time interval duration for each particular value of the form factor, and calculating the real magnitude of the form factor for the respective network, one could decide about the proper discretization interval for particular cases of networks supplying various types of consumers. The developed methodology could be further used in more comprehensive studies for definite clarification of the considered relations.

Dimo Stoilov

Papers

Momentary power market

Risk based asset management of electrical distribution network

Challenges facing the European power transmission tariffs: The case of inter-TSO compensation

Evolution of the Advancements in Cross Axis Wind Electric Machines

Analysis of errors in distribution networks power losses calculations with relation to the time discretization intervals