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Now showing items 697-716 of 1042
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Occupational EMF-Exposure: A Simple Guide for Testing Compliance with Requirements of Directive 2013/35/EU
(AIM, 2019-06-03)The EU-Directive for protection of workers from exposure to electromagnetic field was implemented in Austria by national decree in 2016. To avoid a diversity of methods for EMF evaluation a national guideline R27 providing ... -
On Fostering Smart Grid Systems Development and Validationwith a Model-Based Engineering and Support Framework
(AIM, 2018-06-07)Microgrids and local energy communities are prominent examples of future solutions that will have a tremendous impact on distribution system development. To effectively implement these new and complex control solutions, ... -
On frequency control provision with a microgrid containing battery energy systems and renewable energy sources
(AIM, 2018-06-07)The main benefit of operating a distribution grid as a microgrid (MG) is the additional security of supply due to its local electricity generation and islanding possibility. In this work, we investigate the technical ability ... -
On The Cost-Effectiveness Of Multistage Deployment of Wide Area Monitoring Systems In Weak Networks under limited channel availability
(AIM, 2019-06-03)Utilities operating in weak networks can benefit from Wide Area Monitoring Systems (WAMS) installations to improve grid voltage reliability through increased network observability. Multistage placements with long-term full ... -
On the design of a microgrids aggregation management framework to provide ancillary services
(AIM, 2018-06-07)The number of grid-connected microgrids is expected to significantly increase in the next years as they proved to be a key solution for locally managing distributed generation. However, these are commonly designed to pursue ... -
On-line PD monitoring of Medium Voltage assets: an innovative approach to improve asset management
(AIM, 2019-06-03)One of the main causes of fault in Medium Voltage (MV) distribution grids is the breakdown of the insulation system of the electrical assets constituting the network. Such grids are composed of a large number of electrical ... -
On-Site Testing of 66 kV Subsea Array Cables for Off-Shore Windfarms
(AIM, 2019-06-03)Off-shore windfarms with extruded XLPE inter array cables with ratings up to 66 kV will be more and more common. IEC is anticipating the situation with a new standard IEC 63026 (under development) to guide manufacturers, ... -
On-Site Testing of Distribution Transformers
(AIM, 2019-06-03)In case of transformers, the routine test after manufacturing was seen as sufficient. Meanwhile transformer manufacturers as well as Distribution System Operators (DSOs) and their respective service suppliers are requesting ... -
Online Monitoring Leads to Improve the Reliability and Sustainability of Power Grids
(AIM, 2019-06-03)The paper aims to address the concept of virtualized grid automation. This approach will be developed within a project by combining the application of data visualization techniques, sensor analysis tools, advanced energy ... -
Operating Properties of Hybrid Inverters and Power Flow Regulators
(AIM, 2018-06-07)The paper defines the basic problems of the operation of hybrid photovoltaic systems up to 10 kWp with accumulation – the conditions for elimination of overflows into the distribution network are defined and problems related ... -
Operation Analysis and Improvement Measures of Residual Current Protection of Low Voltage Distribution Network
(AIM, 2019-06-03)According to official statistics of China, more than 85% of a death rate from electric shock occurs in LV distribution networks. In recent years, a lot of electric shock accidents caused by flood has been raising public ... -
Operation and Optimization Technologies of Active Distribution Network with Multi-terminal Soft Open Points
(AIM, 2019-06-03)The increasing penetration of distributed generators (DGs) exacerbates the power fluctuation and the risk of voltage violations in active distribution networks (ADNs). The conventional regulation devices limited by the ... -
OPERATION EFFECT TO VOLTAGE SAG IMMUNITY LEVELS OF AC CONTACTORS AT PETROCHEMICAL PLANT IN PAHANG, MALAYSIA
(AIM, 2019-06-03)Frequent voltage sag events at Gebeng Industrial Area posed a significant impact on the process lines of a petrochemical plant. Several of its important electrical/electronic equipment which is controlled by AC contactors ... -
Operation of distribution power systems with dynamic compensators to integrate intermittent energy sources.
(AIM, 2019-06-03)The intermittency in the power produced by the wind farms and the photovoltaic plants can lead to unacceptable variations in voltage levels of electrical distribution systems nodes.The System Operators (DSO) propose network ... -
Operation of extensive grid automation: Challenges on the example of voltage control
(AIM, 2019-06-03)Ongoing grid integration of flexible and decentralized generation and load produces various challenges, such as problems concerning the allowed voltage bandwidth. Grid automation functions are developed to handle these ... -
Optimal allocation of energy storage and conversion technologies in an urban distributed energy system
(AIM, 2019-06-03)The main challenges in the existing distributed electrical energy systems when facing intensified renewable generation shares are considered to be for grid components (power lines and transformers) and the allowable voltage ... -
Optimal Control of DVR to enhance the power quality of PV/Wind/Fuel cell hybrid system feeding a new community
(AIM, 2019-06-03)This article presents a control of Dynamic Voltage Restorer (DVR) to enhance the power quality (PQ) of a stand-a loan PV/wind/fuel cell hybrid system feeding a new community. The optimal size of the proposed system is ... -
Optimal DG allocation in LV distribution networks considering repairing fault periods
(AIM, 2019-06-03)Many researchers investigated the optimum capacity and location of Distributed Generation (DG) considering either normal operation or faulty situations. In this paper, the effect of repairing fault periods (RFP) on the DG ... -
Optimal energy management of Microgrid based on FCCHP in the presence of electric and thermal loads considering energy storage systems
(AIM, 2018-06-07)Due to high investment costs of centralized power plants and augmentation in environmental pollutions, the use of Distributed Generations and renewable energy resources has increased rapidly. Recently, the use of FCPP and ... -
Optimal Harmonic Passive Filters for Power Factor Correction, Harmonic Mitigation and Electricity Bill Reduction Using Dragonfly Algorithm
(AIM, 2019-06-03)One of the common techniques for harmonics mitigation in heavy industrial applications is the use of C-type passive filters. Besides, their applicability in power distribution systems is growing. Although single-tuned ...