Results 21 to 30 of about 313,973 (156)
This paper studies a real 36-MW large tubular hydro-generator to solve the transient variation problem of the loss and heat of damper bars during short circuit faults in tubular hydro-generators.
Qing-Ling Hu +7 more
doaj +1 more source
The safe operating area is an operating area with high reliability for SiC MOSFET, and its degradation may cause power electronic system failure. The safe-operating-area degradation and the failure modes of 1200 V/66A SiC MOSFET caused by repetitive ...
Ziyang Zhang, Lin Liang, Haoyang Fei
doaj +1 more source
Load flow, short circuit and motor starting studies in electrical power substations.
Power system studies are essential for the proper planning and design of electrical power substations. This paper presents the load flow, short circuit, and motor starting studies for 33/6.6/0.44 kV electrical power substation.
Mohan Muniappan
doaj +1 more source
Short-Circuit Analytical Model for Modular Multilevel Converters Considering DC Cable Capacitance
Developing analytical short-circuit models for Modular Multilevel Converters (MMC) is not straightforward due to their switching and blocking characteristics. Short-circuit models for MMCs have been developed previously in the literature.
Vinicius Albernaz Lacerda +5 more
doaj +1 more source
Fault-Tolerant Operation of an Open-End Winding Five-Phase PMSM Drive with Short-Circuit Inverter Fault [PDF]
Multi-phase machines are well-known for their fault tolerant capability. Star-connected multiphase machines have fault tolerance in open-circuit.
KESTELYN, Xavier +3 more
core +4 more sources
A Comprehensive Short-Circuit Protection Scheme for Series-Connected SiC MOSFETs
Series connection of devices is an effective way to achieve higher blocking voltage. SiC MOSFETs exhibit narrow short-circuit withstand time and generally much lower short-circuit robustness than silicon IGBTs.
Chunhui Liu +5 more
doaj +1 more source
Impact of hybrid renewable energy systems on short circuit levels in distribution networks [PDF]
The effects of the distributed generation can be classified as environmental, technical and economical effects. It is playing a very vital role for improving the voltage profiles in electrical power systems.
Afifi, SN, Darwish, MK
core +1 more source
Research on Safety Technology for High-Speed Interruption for Mining Flameproof Movable Substation
Due to the working condition of low-voltage cabling from the mining flameproof movable substation to the loads of the mining face being poor, it is easy to cause various external mechanical damages to the cable sheaths.
Yanwen Wang +3 more
doaj +1 more source
A short circuit current evaluation method based on the branch fault current of the circuit breaker
With the rapid load growth and the increasing density of power grids, the overrun short-circuit current becomes increasingly aggravated. To accurately assess the short-circuit current level of the system is crucial to ensure the safe and stable operation
DONG Wei +5 more
doaj +1 more source
Recently, EGR (Exhaust Gas Recirculation) combustion has been used to enhance the thermal efficiency of internal combustion engines. However, EGR combustion causes ignition instability, leading to increased cycle-to-cycle combustion variability and ...
Ryo ADACHI +4 more
doaj +1 more source

