Results 201 to 210 of about 788 (253)

Natural disaster risk salience and the strategic appointment of directors with sustainability expertise

Journal of Financial Research, EarlyView.
Abstract This article examines how salient sustainability risks from near‐miss natural disasters influence board composition. Using a difference‐in‐differences design, I find that firms located in counties neighboring disaster‐affected areas significantly increase the presence of directors with sustainability expertise following the disaster.
Bo Wang
wiley   +1 more source

Design and prototyping of a magnetically and hydrodynamically suspended blood pump via multiobjective optimization. [PDF]

Sci Rep
Sahebi-Kuzeh Kanan R, Niroomand-Oscuii H, Badri Ghavifekr H, Ghalichi F.   +3 more
europepmc   +1 more source

Flow and Heat Transfer of a Rotary Regenerative Thermal Oxidizer. [PDF]

ACS Omega
Wu X, Yu H, Zhu Z, Xiao X, Hao X.
europepmc   +1 more source

Hybrid Multi-Infeed Receiver Line Longitudinal Protection Scheme Based on Voltage Waveform Comprehensive Distance Similarity. [PDF]

Sensors (Basel)
Gao S, Li X, Song G, Zheng H, Duan Y.
europepmc   +1 more source

A novel lubricating method of oil pump with self-adaptive adjustment function for transmission. [PDF]

Sci Rep
Cao Y, Liu D, Zhang P, Zhou H, Zhao S.
europepmc   +1 more source

New coordinated drive mode switching strategy for distributed drive electric vehicles with energy storage system. [PDF]

Sci Rep
Oubelaid A, Kakouche K, Belkhier Y, Khosravi N, Taib N, Rekioua T, Bajaj M, Rekioua D, Tuka MB.   +8 more
europepmc   +1 more source

Sensing and Analyzing Partial Discharge Phenomenology in Electrical Asset Components Supplied by Distorted AC Waveform. [PDF]

Sensors (Basel)
Montanari GC, Myneni SB, Chen Z, Shafiq M.   +3 more
europepmc   +1 more source

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An Enhanced Strategy to Inhibit Commutation Failure in Line-Commutated Converters

IEEE Transactions on Industrial Electronics, 2020
Failure of the commutation process is a serious malfunction in line-commutated high-voltage direct current (HVdc) converters, which mainly occurs due to inverter ac faults and may lead to outage of the HVdc system. In this paper, an improved strategy is developed that functions based on the SIEMENS HVdc control system under normal conditions and ...
Sohrab Mirsaeidi, Xinzhou Dong
openaire   +1 more source

Average-Value Modeling of Line-Commutated Inverter Systems With Commutation Failure

IEEE Transactions on Power Delivery, 2022
Line-commutated converters are extensively used as the interface between ac grids and classic HVDC systems. At the inverter side, commutation failure of switches is one of the most common faults that can pose threats to the system operation. Practical and reliable study of such phenomena relies on accurate and efficient converter models for simulations.
Zeqi Hong, Seyyedmilad Ebrahimi, Yin Xu, Juri Jatskevich, Jinghan He   +4 more
openaire   +1 more source

Commutation Failure Analysis in Multi-Infeed HVDC Systems

IEEE Transactions on Power Delivery, 2011
The commutation failure vulnerability of multi-infeed HVDC converters to ac side faults is analyzed. Faults in multi-infeed systems can cause commutation failure events in the nearby local converter or concurrently in both converters. The immunity of the system to both these events is investigated and suitably parameterized.
A M Gole
exaly   +2 more sources