Results 51 to 60 of about 3,063 (167)
High Voltage, EarlyView.ABSTRACT The surface charge accumulation on insulators is one of the important factors that limit the development of high‐voltage direct current (HVDC) gas insulated transmission line (GIL), and the accurate measurement of surface charge is the basis to explore its physical mechanism.
Lei Zhang +3 more
wiley +1 more source
Dynamic Voltage Stability Studies using a Modified IEEE 30-Bus System
Transactions on Environment and Electrical Engineering, 2016 Power System stability is an essential study in the planning and operation of an efficient, economic, reliable and secure electric power system because it encompasses all the facet of power systems operations, from planning, to conceptual design stages ...
Oluwafemi Emmanuel Oni +2 more
doaj +1 more source
Energy Reports, 2023 With the growing usage of renewable energy technologies like wind power and photovoltaics, and the increased integration of FACTS (Flexible Alternating Current Transmission System) devices into the power system, the transient characteristics of the ...
Baixi Chen +6 more
doaj +1 more source
High Voltage, EarlyView.ABSTRACT In order to meet the needs of mechanical properties of cable insulation, polypropylene (PP) needs to be blended with low modulus materials to achieve toughening and softening. However, the compatibility between two or more resins can significantly affect the electrical properties of the composites.
Xindong Zhao +9 more
wiley +1 more source
Hybrid Filters To Damp Harmonic Resonance In Power Transmission Systems
Eletrônica de Potência, 2006 Problems related to harmonic propagation in transmission systems have been noticed in the last years. Passive filters, commonly used to attenuate noncharacteristic harmonics in HVDC systems, stay at risk of disconnection from the system due to ...
Lucas F. Encarnação +4 more
doaj +1 more source
A review of LCC-HVDC and VSC-HVDC technologies and applications
2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC), 2016 High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting electric power from one location to another with some inherent advantages over AC transmission systems. The efficiency and rated power carrying capacity of direct current transmission lines highly depends on the converter used in transforming the current from one ...
Oni, Oluwafemi Emmanuel +2 more
openaire +3 more sources
Micro Partial Discharge Characteristics of SF6 Under DC Voltage
High Voltage, EarlyView.ABSTRACT In gas‐insulated high‐voltage direct current (HVDC) devices, micro partial discharges (PD) caused by micro‐protrusions or surface roughness on conductors or enclosures may not cause immediate insulation system failure due to their weak discharge intensity.
Geng Chen +4 more
wiley +1 more source
Energy Conversion and EconomicsThe widespread integration of photovoltaics (PVs) presents significant challenges to the operation and control of distribution systems, particularly in maintaining voltage stability at nodes with PV connections.
Baoye Tian +7 more
doaj +1 more source
Simulation‐Based Material Design for HVDC Cable Accessories
High Voltage, EarlyView.ABSTRACT The worldwide increasing demand for electricity, coupled with the need for more reliable infrastructures and more interconnected networks, has put forward high voltage direct current (HVDC) technologies for energy transmissions. Questions still arise as regards synthetic insulation for cable systems and accessories, as it remains one of the ...
Thi Thu Nga Vu +2 more
wiley +1 more source
Unidirectional Protection Strategy for Multi-terminal HVDC Grids
Transactions on Environment and Electrical Engineering, 2016 Protection issue is identified as the main drawback of emerging multi-terminal HVDC grids. Multi-terminal HVDC grid demands fast short circuit fault current interruption.
Ataollah Mokhberdoran +3 more
doaj +1 more source