Results 11 to 20 of about 426,824 (203)
Novel method for restraining 35 kV shunt reactor switching overvoltage – phase controlled breaker
The Journal of Engineering, 2019 Phenomena such as current chopping, arc reignition and equivalent current chopping might appear when cutting off shunt reactor. Overvoltage caused by switching will lead to interphase fault in related equipment and inter-turn insulation damage in the ...
Yiming Zheng +5 more
doaj +2 more sources
Study of Switching Overvoltage Protection Measures for Capacitor Compensation Device
Kongzhi Yu Xinxi Jishu, 2014 The harm of using damping and limiting measures to eliminate switching overvoltage of FC device was analyzed in theory and simulation. It presents that input overvoltage protection mainly depends on the insulation capability of the device and the effect ...
JIANG Jiajiu +4 more
doaj +2 more sources
High VoltageWhen a high‐speed train approaches the insulated phase‐splitting section embedded between neighbouring power supply arms, the vacuum circuit breaker (VCB) installed on trains must be disconnected to maintain the traction power supply system as a no‐load ...
Ye Cao +13 more
doaj +2 more sources
IEEE Open Journal of Power ElectronicsZero Overvoltage Switching (ZOS) is a method that enables transistors to perform turn-off transitions at maximum speed, thereby minimizing switching losses, while simultaneously preventing overvoltage oscillations despite the high switching speed ...
Nico Schmied +3 more
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Mitigation of motor overvoltage in SiC-based drives using soft-switching voltage slew-rate (dv/dt) profiling [PDF]
, 2022 In silicon carbide (SiC) device based motor drives, the high voltage slew rate (dv/dt) associated with the fast switching transitions results in excessive motor overvoltage, due to the reflected wave phenomenon, which increases the motor winding ...
Wenzhi Zhou (6575999) +3 more
core +8 more sources
CAAI Transactions on Intelligence Technology, EarlyView., 2023 Abstract The Internet of Things is emerging as a crucial technology in aiding humans and making their lives easier. Among the human population, a large percentage of people suffer from disabilities resulting in challenges in everyday life particularly people with visual disabilities.
Hania Tarik +8 more
wiley +1 more source
Overvoltages during switching operations of vacuum switching devices [PDF]
Zbornik radova, Elektrotehnicki institut Nikola Tesla, 2013 This paper presents the results of experimental studies of voltage phenomena in the switching operations of vacuum switching devices made by various manufacturers in several different configurations of 6 kV, 10 kV, 20 kV and 35 kV networks. During switching-on operations of the inductive loads, re-ignition of the electric arc between the contacts of ...
Vukelja Petar +3 more
openaire +2 more sources
Energy Reports, 2022 Since the Electromagnetic Transient (EMT) process of the high-voltage submarine cable has a great influence on the safe and stable operation of the transmission system, it is necessary to analyze its EMT process under actual engineering.
Han Li +3 more
doaj +1 more source
High Voltage, 2022 The multiple reignitions of vacuum circuit braker (VCB) while switching off the shunt reactor in an offshore wind farm (OWF) would produce a high overvoltage. The post‐arc process of ion movement in the vacuum interrupter is analysed.
Zhi Zheng +5 more
doaj +1 more source
Switching Overvoltages in Offshore Cable...
Kalpa Publications in Engineering, 2018 Switching overvoltages are the major concern with the cable system. For insulation coordination and design aspects one should know the range of this overvoltages. Different overvoltages and its effects on the system protection are described here. Some of mitigation techniques for switching transients are also listed.
Nidhi Parmar +3 more
openaire +2 more sources