Results 171 to 180 of about 221,472 (260)

A Facile Protocol for C(sp2)–C(sp3) Bond Formation Reactions Toward Functionalized E3 Ligase Ligands

ChemMedChem, EarlyView.
A robust C(sp2)–C(sp3) decarboxylative coupling strategy enables access to new CRBN ligands and degraders with improved physicochemical properties. This synthetic approach is expanding the chemical space beyond C(sp2)–N linkages, fine‐tuning proteolysis‐targeting chimera activities and unlocking previously inaccessible degrader chemotypes.
Anita Maksutova, Thomas M. Geiger, Lorenzo Cianni, Dominika E. Pieńkowska, Jan Gerhartz, Lina Read, Aleša Bricelj, Alexander Herrmann, Maurice Leon Nelles, Yuen Lam Dora Ng, Marcus D. Hartmann, Jan Krönke, Izidor Sosič, Radosław P. Nowak, Michael Gütschow, Christian Steinebach   +15 more
wiley   +1 more source

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Hybrid railway traction power supply system

2020 IEEE 4th International Conference on Intelligent Energy and Power Systems (IEPS), 2020
Modern requirements for traction DC power supply in the organization of high-speed movement are reduced to the need to provide a normalized voltage level of 2900 V on the pantograph of electric locomotives. The existing power supply system does not allow to provide the necessary mode of voltage at change of load and the necessary specific energy ...
Kuznetsov Valeriy, Sychenko Viktor, Hubskyi Petro, Sergiy Myamlin, Kosariev Yevhen, Liashuk Vitalij   +5 more
openaire   +1 more source

Online Energy Management Strategy of the Flexible Smart Traction Power Supply System

IEEE Transactions on Transportation Electrification, 2023
The flexible smart traction power supply system (FSTPSS) is a fully electronic traction power supply system (TPSS), which integrates ac-dc–ac traction substations, distributed generation, and hybrid energy storage system (HESS).
Yichen Ying, Qiujiang Liu, Mingli Wu, Yating Zhai   +3 more
semanticscholar   +1 more source

Dynamic Diffusion Model of Stray Current in DC Traction Power Supply System

IEEE Transactions on Power Delivery, 2023
The dynamic fluctuation of stray current is the main characteristic of the metro causing harm to surrounding buried metal structures. While establishing the equivalent circuit model of the return system, not only mainline but also metro depot should be ...
Wei Liu, Linjie Zhou, Zhe Pan, A. A. Bhatti, Xiaopeng Huang, Jian Zhang   +5 more
semanticscholar   +1 more source

Capacity Configuration Method of Flexible Smart Traction Power Supply System Based on Double-Layer Optimization

IEEE Transactions on Transportation Electrification, 2023
The flexible smart traction power supply system (FSTPSS) is a new type of traction power supply system (TPSS) including converters, energy storage devices, and renewable energies.
Yichen Ying, Z. Tian, Mingli Wu, Qiujiang Liu, P. Tricoli   +4 more
semanticscholar   +1 more source

Power Flow Optimization and Control Strategy for Energy Router in Dual Mode Traction Power Supply System

IEEE transactions on intelligent transportation systems (Print), 2023
A dual mode traction power supply system (TPSS), as a high-efficiency transportation approach, is composed of a mainline railway (AC traction power supply system) and an urban railway (DC traction power supply system).
J. Lai, Minwu Chen, Xianfeng Dai, Li Liu, N. Zhao   +4 more
semanticscholar   +1 more source

Analysis and Comparison of MMC-Based Co-Phase Traction Power Supply Topology for Auto-Transformer Power Supply System

IEEE Transactions on Power Delivery, 2022
As high-speed railways develop rapidly worldwide, the problems of neutral section and power quality are becoming increasingly prominent. These problems affect the normal operation of the power grid and the electric locomotives.
Si Wu, Mingli Wu, Linwei Li, Songda Wang, Kejian Song, Yi Wang   +5 more
semanticscholar   +1 more source

Adaptive systems of traction power supply

Russian Electrical Engineering, 2014
At present, a great variety of traction power supply systems (TPSSs) are being used, planned, and developed for the future. This is because of the specifics of the electric transport system, as well as scientific and technological progress. The variety of TPSSs became possible as a result of the development of power semiconductors for transforming ...
V. I. Sopov, N. I. Shchurov, A. V. Ivanov, A. P. Kuznetsov   +3 more
openaire   +1 more source

A Real-Time Adaptive Energy Optimization Method for Urban Rail Flexible Traction Power Supply System

IEEE transactions on intelligent transportation systems (Print), 2023
In urban rail traction power supply systems, the optimal power flow method is mostly utilized for energy optimization. Conventional power flow optimization adopts offline calculation methods to obtain the optimal strategy under given scenarios.
Hong Yu, Gang Zhang, Ren-Wen Wang, W. Xiong   +3 more
semanticscholar   +1 more source

A Novel Distance Protection Method for Out-of-Phase Faults of AC Traction Power Supply System

IEEE Transactions on Power Delivery, 2023
Aiming at the problem that the existing relay protection of traction power supply system mis-operates when an out-of-phase fault occurs, based on the sum of two phase impedance, a novel distance protection method is proposed.
Rui Shen, Zhengqing Han, Shuping Liu, Shibin Gao   +3 more
semanticscholar   +1 more source