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The present paper allows to hybrid energy management for community energy system facilities. Energy management system is enabled cost savings through efficient use of energy. Active initiatives for energy management begin from the baseline of energy use. Given the vast amount of data and comparable systematized information gathered from greenhouse gas and energy IT systems, it is possible to reduce...
The challenge of failure management emerges in decentralized architectures due to the distributed nature of the layered control process. Failures in microgrid system may occur at the microgrid level or any of the control layers. A failure detection and response mechanism is required to attain a reliable, fault-tolerant microgrid operation. This paper introduces a Failure Management Unit as an essential...
The present paper allows to energy information collecting agent for IoT BigData system. Energy management system (EMS) is computer-based platform to monitor and control energy usage at a smart home and building. There are several model EMS — centralized and distributed. This paper suggested hybrid architecture of EMS for efficiently energy management.
Energy management system (EMS) using renewable energy such as sunlight is expected to build a low-carbon society. In this paper, we report the modeling of EMS components using SPICE (simulation program with integrated circuit emphasis) and the estimation of the energy self-sufficiency rate by EMS simulation. We develop the simulation models of photovoltaic (PV) power generation system, storage battery...
This paper introduces an automated and reconfigurable laboratory environment for rapid prototyping of DC and AC microgrids. The laboratory includes seven fully programmable power converters, 47.5 kWh lithium-ion battery, configurable AC loads, a set of AC busbars with configurable network impedances between them, a set of DC busbars and relevant monitoring and control equipment. Each laboratory element...
General aspects regarding software quality are discussed. Bayesian networks mathematical model is proposed to evaluate the software quality, from the reliability point of view. This model was previously used to evaluate a substation monitoring software system developed in Romania as case study. Currently, we extend it to evaluate the reliability of a software system for EMS (Energy Management Systems)...
Energy management system (EMS) plays a crucial role in Microgrids. It is responsible for the power balance between generation and consumption. Different architectures for EMS are possible: the centralized, decentralized and hierarchical. The hierarchical is a good candidate to smooth the transition from the existing power management system to the Microgrid (MG) management configuration. Besides, multiagent...
The Topology Processing is a crucial part in the energy management system. The topology processor must handle reading of the input data, treating the splitting and merging buses and their connectivity to the different circuits and proceeding to islanding and energizing analysis of the network. It has also to support all the types of substations configurations. In this paper, the difficulties and constraints...
Energy management system (EMS) using natural energy such as sunlight is expected to build a low-carbon society. In this paper, we report the modeling of the Si-bifacial photovoltaic (PV) module and the accuracy evaluation of simulation at Hokuriku region where is one of heavy snowing area in Japan. We develop the simulation model of PV power generation using simulation program with integrated circuit...
This paper presents an optimized energy management system (OEMS) to control the microgrid of a remote temporary military base featuring the diesel generators, the battery energy storage system (BESS) and photovoltaic panels (PV). The information of the expected electric demand is suitably used to improve the sizing and management of the BESS. The OEMS includes power electronics to charge the batteries...
Power Systems Operations and Planning departments historically use different models. Online operations models are based upon node-breaker representation of the system whereas offline planning models are based on bus-branch representation of the same system. Use of different models to represent the same power system leads to discrepancies in data and makes it difficult and inefficient to validate the...
A prompt and accurate bulk system islanding detection capability is essential for real-time operation to maintain system reliability. This paper introduces and proposes two islanding detection methods, “Frequency Standard Deviation” and “Relative Phase Angle Change Rate” based on PMU measurement. The detailed analysis and explanation of the approaches to the design of islanding scheme is provided...
Resent study of load management minimizes for electricity bill and peak load, but does not consider convenience about human experience. Just focused on saving energy management of the electricity price can't consider residential customers convenience. In this paper, we propose optimal load control strategy for human convenience as well as to minimize the electricity price. The strategy is to use some...
In this paper an optimal energy management strategy (EMS) for a light rail vehicle with an onboard energy storage system combining battery (BT) and supercapacitor (SC) is presented. The optimal targets for the proposed EMS are obtained by an optimization process with multi-objective genetic algorithms (GA). The fitness functions are expressed in economic terms, and correspond to the costs related...
SCADA (supervisory control and data acquisition) is a sophisticated system that allows controlling devices via coded signals into communication channels. Its main function is to allow the control of remote power system devices from a remote control center. In addition to the SCADA, complex software is required in order to analyze the data obtained from the system. Without proper analysis, the operator...
In this paper, the electromagnetic spectrum strategy for the Department of Defense (DoD) is discussed. The desired outcome of this strategy is to improve mission success by effectively accessing the spectrum and denying adversarial usage. This overall challenge offers many opportunities for business and research.
The application of communication and information technology in electrical utility makes consumers to be very comfortable. From the perspective of energy saving and power efficiency in Generation, Utility, Industry and homes an effective supervising of appliances is required. Now a day, smart grid conceptusing various cost effective communication technology and architecture proves electrical sector...
This document describes the usage and meaning of Energy Management Systems (EMS), applied both for utilities and end customers as a mean to supervise electricity usage and obtain energy savings. The approach also does a benchmarking on existing systems and appliances, together with the increasing usage of EMS in the newest smart grids.
This paper highlights an environment based in smart grid concepts to build an integrated architecture of modern control centers. The proposal allows the integration of management and commercial applications with decision support applications, such as MDMS, OMS, GIS, SCADA e CIS. To illustrate the paper is presented a project description of a self-healing strategy to deal with location and identification...
The Energy Management Systems (EMS) were invented in the seventies to add computationally intensive applications to the Supervisory Control and Data Acquisition (SCADA) Systems which were introduced as the core infrastructure for scanning the field data in the sixties. Over the last 50 years many EMS functions were implemented and SCADA was further enhanced. Recently, limitations of low scanning capability...
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