Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
Summary form only given. System operators have worked with mimic boards and tabular data for years. These mimic boards may or may not have dynamic characteristics such as analog values or equipment status changes. Generally, these boards showed the complete electrical system, and only a small portion of their system had remote terminal units (RTU) to bring the data into the control center. Another...
This paper presents a unified methodology for managing an inventory of aging assets in electric utility systems. The inventory may include spares. The methodology identifies the least-cost stationary policy over an infinite horizon. The stationary policy is a state-dependent decision about a particular asset. The choice is typically among the alternatives repair, rejuvenate, replace, test, and do...
A presentation from the Very Large Power Grid Operators (VLPGO), International Working Group #2 (IWG #2) will be given focusing on the energy management and market management systems architecture of the 21st century including a discussion on the common requirements specification. The presentation will summarize the activities and discuss the key deliverables that were completed by the working group...
Civil and critical infrastructure systems such as transportation, communication, power, and financial systems have provided the foundation for modern society. Not surprisingly, much of the research work in many areas of engineering was directed over the years at the advancement and application of scientific principles to the design, maintenance and improvement of the critical infrastructures in our...
IEEE's Power Engineering Society has recognized for many years the need to speak on policy issues, such as energy and the environment, with statements that are comprehensive, meaningful and representative of the membership. But it has not had an organizational component to make it happen. In the summer of 2001, PES established the Policy Development Coordinating Committee to address this and other...
This presentation outlines the experience of the IESO in managing the Ontario Network Model. The IESO existing processes for gathering the network data from the market participant, validating the data, building the network model, and loading the network model into the energy management system (EMS) and market information system (MIS) are first outlined. Next the available tools for the network model...
Electric power system is one of the most complex machine a human being has ever built. Among the attributes of this complexity are inadequate power flow control, inadequate reactive power management, power angle and voltage instabilities, in adequate planners/operators training, inefficient use of collected data, etc. This paper presents a number of advanced technological concepts, which have been...
This paper describes an automated, distributed approach to controlling, operating, and managing electric power within a microgrid. Operation in the context of an external primary power grid is considered. We wish to construct a system that will allow us to state and enforce an energy policy that captures what we want the system to do under various conditions, including light and full duty cycles with...
Outage management and reporting systems that have been installed in year's past continue to have more demands placed on them to deliver greater functionality in real-time and analytical contexts. PacifiCorp has leveraged its systems to deliver more responsive actions after outages take place at locations throughout its system, using a combination of reporting and graphics to target areas where prompt...
The California Energy Commission is cost-sharing research with the Department of Energy through the National Renewable Energy Laboratory to address distributed energy resources (DER) topics. These efforts include developing interconnection and power management technologies, modeling the impacts of interconnecting DER with an area electric power system, and evaluating possible modifications to rate...
This paper reports on experience to date in studying and designing interconnections to existing power systems for the VFT application at Linden, New Jersey between the New York ISO and PJM control areas. Since the VFT is by definition a transmission connection device, it will have two connections to existing systems which are often located in areas controlled by different grid operators. Included...
Reliable operation of power system is fundamental to the on-going industry reform. This paper presents the result of marginal power flow evaluation performed on Korean power system using two commercial software packages: Physical and Operational Margins (POM V. 2.2) and probabilistic reliability assessment (PRA V. 3.1), respectively. The case study of Korea power system for year 2006 data shows that...
This paper presents a two prong approach to the validation of the cell controller being developed for advanced grid management in the presence of significant renewable and distributed generation embedded within distribution networks. A laboratory with configurable distributed generation sources, utility load simulators, wind turbine simulators, and high speed frequency and voltage compensators is...
The number of alarms for a typical power system event may be overwhelming to power system operators and may delay the operator from taking appropriate corrective action. Worldwide, a number of alarm processing techniques are used to reduce the number of alarms that the operator 'sees', so as to better comprehend the situation at hand and make accurate decisions faster. This paper proposes an alarm...
In this paper, an improved maintenance scheduling approach suitable for the competitive environment is proposed by taking account of profits and costs of generation companies and the formulated combinatorial optimization problem is solved by using Reactive Tabu search (RTS) In competitive power markets, electricity prices are determined by balance between demand and supply in electric power exchanges...
Energy industry deregulation has made generation asset valuation a significant challenge. Billions of dollars have been invested in the acquisition of power generation assets. In order to manage financial risks, market participants require both detailed market structure analyses and efficient valuation methodologies as part of their due diligence processes. This paper introduces the concept of using...
Within the deregulated electricity markets of today a major issue for the Independent System Operator (ISO) is to deal effectively with congestion management. This paper provides an investigation into the benefit of the Unified Power Flow Controller (UPFC) as a viable solution to the problem of congestion management. Many deregulated electricity markets now operate in a bilateral manner, and carry...
The stability of bulk power electricity systems has been well studied for decades. Conversely the stability study for newly deregulated distribution power systems with dispersed generations from small conventional or alternate energy sources has been virtually limited. Stability concerns, however, increase rapidly with today's growing demands for open access to power systems for electricity generation...
This paper highlights some salient technical and economic features of the management of frequency and voltage ancillary services across various jurisdictions (the North American NERC, the continental European UCTE, Australia, Belgium, California, France, Germany, Great Britain, the Netherlands, New Zealand, PJM, Spain and Sweden). Vocabulary used to designate active power reserves are first described...
Transmission congestion management is critical for reliable system operation by keeping the system within the security constraints. In this paper we examine an efficient congestion management system compatible with evolving market environment; the key is building an information exchange protocols between the independent system operator (ISO) and market participants (MPs) that integrate market-based...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.