Results 1 to 10 of about 2,777,013 (241)
Locally-Actuated Graphene-Based Nano-Electro-Mechanical Switch [PDF]
Micromachines, 2016 The graphene nano-electro-mechanical switches are promising components due to their outstanding switching performance. However, most of the reported devices suffered from a large actuation voltages, hindering them from the integration in the conventional
Jian Sun +3 more
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Energies, 2022 In this paper, a new design is provided so that the Z-source circuit breaker with a mechanical switch operates quickly at a low-impedance fault. When the fault occurs, the Z-source circuit breaker uses an impedance network to generate forced current zero
Hyeon-Seung Lee +3 more
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The macro model of hybrid on-load tap-changer passive trigger [PDF]
MATEC Web of Conferences, 2021 Using thyristor as arc medium hybrid on-load tap-changer, completely solve the problem of switch produce arc, reduce the ablation of mechanical contact, improve the working environment of transformer oil, both mechanical switch and brake switch tube, the
Li Peng +6 more
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The switching principle of thyristor assistant arc extinguishing hybrid on-load tap-changer [PDF]
MATEC Web of Conferences, 2021 Thyristor assistant arc extinguishing hybrid on-load tap-changer uses thyristor auxiliary mechanical switch which combines the advantages of mechanical switch and thyristor switch.
Cai Taoyuan +6 more
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Energies, 2021 A vibration control concept based on vibration energy conversion and storage with respect to a serial-stiffness-switch system (4S) has previously been proposed. Here, we first present a rotational electromagnetic serial-stiffness-switch system as a novel
Chaoqing Min +2 more
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Assembly DC load switch based on pre-charged capacitors suitable for DC distribution network
电力工程技术, 2022 The direct current (DC) load switch is the key equipment for constructing the DC distribution network. Aiming at the shortcomings of the existing DC load switch,such as much additional equipment,large size and complex control,an assembly DC load switch ...
CHEN Zheng, CHEN Wu, MA Jianjun
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A Review on Thomson Coil Actuators in Fast Mechanical Switching
Actuators, 2022 With the rapid development of DC power systems and the increasing demand for DC circuit breakers, electromagnetic repulsive drives-based Thomson coil actuators (TCA) are widely investigated to provide the high-speed actuating required for ultra-fast ...
Mohmmad Al-Dweikat +5 more
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A Review on Hybrid Circuit Breakers for DC Applications
IEEE Open Journal of the Industrial Electronics Society, 2023 Direct current (dc) power system protection presents a major challenge due to its unique characteristics, namely the absence of natural zero current crossing points.
Ana Rafaela Figueiredo Bento +2 more
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A new online monitoring application for high voltage switch based on non-contact current sensor [PDF]
E3S Web of Conferences, 2021 High voltage switches are indispensable in power system which will control and protect the high voltage lines. According to the research of high voltage switch equipment accident rate in the international conference on power grid for according, the high ...
Ke ZHAO +5 more
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Research on Key Technologies of Virtual Simulation Modeling for Switch Machine [PDF]
E3S Web of Conferences, 2021 In order to improve the training effect, according to the mechanical structure of switch machine, combined with unity3D engine, a set of automatic learning system for switch machine based on virtual reality technology is designed.
Zhao Yang, Wang XiangWei
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