Power quality disturbances assessment during unintentional islanding scenarios. A contribution to voltage sag studies [PDF]
, 2019 This paper presents a novel voltage sag topology that occurs during an unintentional islanding operation (IO) within a distribution network (DN) due to large induction motors (IMs).
Bosch Tous, Ricardo +2 more
core +2 more sources
Influence of single-phase circuit breaker tripping on inverter commutation
电力工程技术, 2022 If commutation failure does not occur when single-phase high resistance grounded in single-circuit AC line of inverter,then single-phase circuit breaker tripping may lead to commutation failure.
SONG Xinfu +4 more
doaj +1 more source
Investigations into the Influence of generator Design on Rating of Circuit Breakers in a High Voltage Transmission Network [PDF]
, 2003 This paper examines the impact of the network modification produced by the replacement of an existing conventional generator with a high voltage directly connected generator on the adequacy of existing circuit breakers distributed throughout a high ...
McDonald, J. D. F., Saha, T. K.
core +1 more source
Tripping of circuit breakers in PV installations due to zero sequence field impedance [PDF]
, 2011 On the roof of a wool processing company a 385 kWp PV installation is installed. When production of the installation is more than 60% of the rated power the circuit breaker trips.
Debruyne, Colin +3 more
core +2 more sources
The Journal of Engineering, 2019 In order to reveal the process of insulation destruction of circuit breaker in GIS under lightning impulse voltage, a new method of transient insulation numerical analysis is described in this paper.
Wu Qi +3 more
doaj +1 more source
Fault Interruption Scheme for HVDC System Using SiC-MESFET and VCB Based Hybrid Circuit Breaker
IEEE Access, 2021 As high voltage DC power system is gaining popularity, power electronic switching devices are becoming increasingly advanced to overcome problems of timely fault isolation.
Waheed A. Khan +6 more
doaj +1 more source
Determination of protection system requirements for DC UAV electrical power networks for enhanced capability and survivability [PDF]
, 2011 A growing number of designs of future Unmanned Aerial Vehicle (UAV) applications utilise dc for the primary power distribution method. Such systems typically employ large numbers of power electronic converters as interfaces for novel loads and generators.
Burt, Graeme +3 more
core +1 more source
Hybrid HVDC circuit breaker with self-powered gate drives [PDF]
, 2016 The ever increasing electric power demand and the advent of renewable energy sources have revived the interest in high-voltage direct current (HVDC) multi-terminal networks.
Alan J. Watson +16 more
core +2 more sources
IEEE Access, 2020 Spring operation mechanism is widely used in high voltage circuit breakers, and its reliability is related to the ability of the circuit breaker breaking fault current. During the life cycle of spring operating mechanism, stress relaxation, metal fatigue,
Yakui Liu +5 more
semanticscholar +1 more source
Simulation of supersonic flow in high-voltage circuit breakers
IET Conference Proceedings, 2023 High-voltage circuit breakers (HVCB) are critical protection and control equipment in the electric transmission and distribution system. Analysis of the arc quenching process in the nozzle through modelling and simulation is a key stage in the development process of the HVCB.
Qiao, Yujiao +2 more
openaire +2 more sources