Results 21 to 30 of about 130,424 (262)
Low Emission (Clean Air) Zones - Policy Briefing Note produced by the TRANSITION Clean Air Network [PDF]
, 2022 Low Emission Zones – also known as Clean Air Zones – aim to achieve compliance with legal air quality objectives by discouraging the use of highly polluting vehicles in urban areas.
Landeg-Cox, C. +3 more
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The Journal of Engineering, 2019 AC system which ±800 kV converter station access to commonly used 500 kV voltage level. With the construction of the Northwest Energy Base, a large number of ultra-high-voltage direct current (UHVDC) project are constructing.
Yujian Ding +3 more
doaj +1 more source
Numerical Modelling for the Effect of Metal-mould Air Gaps on Shell Thickness in Horizontal Continuous Casting of Cast Iron [PDF]
Archives of Foundry Engineering, 2023 This paper presents a numerical model for the horizontal continuous casting of cast iron (HCCCI). A computational three-dimensional (3D) steady-state, coupled with fluid flow and heat transfer simulation model was developed and validated against ...
A. Chawla, N.S. Tiedje, J. Spangenberg
doaj +1 more source
ESD susceptibility of submicron air gaps
, 2022 S.1587-1590This work describes the investigation of the ESD susceptibility of submicron air gaps which are used e.g. in filter devices. The breakdown behaviour of the air gaps is analyzed in both the HBM (Human Body Model) time domain and the CDM ...
Gieser, H. +3 more
core +1 more source
The Journal of Engineering, 2019 Bird activities including the defecation, nesting, and flight are easy to cause electrical faults of overhead transmission lines, study on the prevention measures of bird damage to transmission lines is of great significance to ensure the stable and ...
Yanjun Kuang +4 more
doaj +1 more source
An extended winding function model for induction machine modelling considering saturation effect
IET Electric Power Applications, 2021 Winding function (WF) method is one of the electric machines modelling methods, which is used to simulate electric machines under different conditions.
Mehrdad Gholami +2 more
doaj +1 more source
Discharge characteristics and discharge simulation model of long air gaps containing a floating conductor [PDF]
, 2022 Long air gaps containing a floating conductor are common insulation types in power grids. During the transmission line live-line work, the process of lineman entering the transmission line air gap constitutes a live-line work combined air gap, which is a
Gao, Jiachen <1995>
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High Voltage, 2018 Slot discharge studies are very important from the insulation diagnosis perspective. Further in practice, testing of rotating machines with power frequency requires sources which are quite bulky and costly.
Ramesh P. Nair +3 more
doaj +1 more source
Design route towards a PM machine for rotorcraft environments
The Journal of Engineering, 2019 This paper discusses the design route followed in the development of a permanent magnet (PM) machine for electrical power generation on board a rotorcraft (helicopter).
Dominic North +4 more
doaj +1 more source
IET Electric Power Applications, 2021 Aiming at the complexity of end structures in the end region of large synchronous machines, it is difficult to obtain an analytical method for the end leakage magnetic field.
Erhang Zhu +4 more
doaj +1 more source