Analysis and Verification of Traction Motor Iron Loss for Hybrid
In this study, a current source analysis method considering the inverter switching frequency is proposed to improve the precision of loss analysis of a traction motor for a hybrid electric vehicle. Because the iron loss of the traction motor is sensitively influenced by input current fluctuations, the current source analysis using the actual …
Influence of stator segmentation on iron losses in PMSMs for …
This FEM model was used to determine the equivalent segmentation air gap dEM for the homogenized FEM model without the detailed description of all the cut edges. The main focus was to account for the cut-edge effect on the weakening of the magnetic circuit (i.e. an increase of the effective segmentation air gap dEM).
Electrical Deck
Electricity is an invisible energy that constitutes the flow of electrons to perform various operations. Electricity can be converted into any other form such as lighting, heating, traction, and many other forms. In this article …. Electrical Deck is a platform for learning all about electrical and electronics engineering.
(PDF) Analysis and Verification of Traction Motor Iron Loss for …
In this study, a current source analysis method considering the inverter switching frequency is proposed to improve the precision of loss analysis of a traction motor for a hybrid electric vehicle.
Z-Track Method of Injection: Procedure and Side …
The Z-track method is an intramuscular injection (IM) technique used to ensure the medication stays in the muscle instead of leaking into the surrounding tissue. Typically performed in a healthcare …
Iron production electrified | Nature
Iron production electrified. Scientists have long dreamt of converting molten iron oxide to iron and oxygen using electricity. An anode material that withstands the …
methods of e traction of quarrying stone
Contribute to lbsid/en development by creating an account on GitHub.
A review on stray current-induced steel corrosion in infrastructure
Bonds RW. Stray current effects on ductile iron pipe. Alabama, USA: Ductile Iron Pipe Research Association, 1997. Search in Google Scholar. Bortels L. A user friendly simulation software for the cathodic protection of large networks of buried pipelines influenced by DC-traction stray currents. Houston, TX: NACE International, 2002. Search in ...
Metals | Free Full-Text | Industrial Recycling of Lithium-Ion …
Research for the recycling of lithium-ion batteries (LIBs) started about 15 years ago. In recent years, several processes have been realized in small-scale industrial plants in Europe, which can be classified into two major process routes. The first one combines pyrometallurgy with subsequent hydrometallurgy, while the second one …
Iron processing | Definition, History, Steps, Uses, & Facts
This paper introduces different extractants and extraction methods used in iron separation (solvent extraction, ion-exchange resin extraction, membrane extraction, …
Thermal Mapping of a High-Speed Electric Motor …
A review of numerical methods and results, including the finite element methods (FEM), such as the Ansys CFD software, to obtain a high-accuracy thermal mapping model of the PMSM system is given.
Advanced Materials for Motor Laminations
electric discharge machining (wire EDM). With all of these cutting methods, the major drawback is the large number of lamination layers that need to be cut and then assembled. From the pictures that are available, has attempted to use this method in some prototypes to construct their 11 kilowatt high efficiency amorphous motor [7].
Ropes and Traction
frictional force, called "traction," between the grooves and ropes. To enhance the traction, double-wrap drives are often used, as shown by type (e). All these types have the electric machine in an overhead position. If it is not feasible to provide a machine room above the top floor (e.g., due to lack of space above the top floor), types with
Fe{3+} + I{-} = Fe{2+} + I2
Two moles of Iron(Iii) [Fe 3+] and two moles of Iodide Ion [I-] react to form two moles of Iron(Ii) [Fe 2+] and one mole of Diiodine [I 2] Show Chemical Structure Image ... {3+} + I{-} = Fe{2+} + I2 using the algebraic method step-by-step, you must have experience solving systems of linear equations. The most common methods are substitution ...
High-efficiency extraction of iron from early iron tailings via the
However, these methods either failed to recover valuable minerals or used more chemical reagents in the reaction to cause secondary pollution. Owing to the …
(PDF) An Overview of the Reduction-Smelting Process of Iron …
This study gave an overview of the reduction-smelting process as a third generational alternative for the modern-day iron and steelmaking process whose …
Effects of Different Cutting Methods for Electrical Steel …
The experimental results show that the iron loss of the specimen by water jet cutting is the lowest, but the magnetic induction under the low magnetic field is the highest, the iron loss of the ...
Temporary Thomas splint
Temporary stabilization of femoral shaft fractures can be achieved using the Thomas's splint apparatus. It can also be used for transportation of patients. This can provide adequate fracture stability and pain relief until definitive stabilization is carried out. If this method of treatment is chosen the appropriate size of the Thomas's ...
Stabilization of ε-iron carbide as high-temperature catalyst under
Catalysts structure and structure evolution. Our confined iron carbide catalyst was synthesized by a pyrolysis method, followed by reduction with H 2 and carburization in syngas flow. X-ray ...
23.2: Principles of Extractive Metallurgy
Extractive metallurgy is the practice of removing valuable metals from an ore and refining the extracted raw metals into purer form. The field of extractive metallurgy encompasses many specialty sub …
Analysis of tenth-value-layers for common shielding materials for …
Tenth-value-layers (TVLs) for a 6 MV stereotactic radiosurgery (SRS) x-ray beam have been computed using Monte Carlo methods for radiation transport simulation. The first and equilibrium TVLs were determined in the three most common building materials used in radiation therapy vault construction: ordinary concrete, lead, and steel (iron).
A review on methods of finding losses and cooling methods to …
A speed vector control system of induction motor (IM) with minimization of the copper and iron losses has been introduced. This method reduces heat losses from the rotor windings and stator and core losses from eddy currents ... different oil cooling systems and cooling of traction motors by combination of methods are reviewed [49], [50], [51].
Prediction of fracture toughness of metallic materials
2.1 Brittle fracture. The derivation of the brittle fracture criterion is inspired by an energy balance concept, presented in a recent article [].The energy balance concept is based on continuum modeling of energy release rates, and it states that the system, seeking a minimum energy state, will fracture if the rate of energy change for the system in the …
Effects of different cutting methods for electrical steel sheets on
In addition, depending on the cutting methods, electrical steel lamination insulation layer is damaged as a result of residual and thermal stress formations. These negative conditions cause iron, friction and windage, stator, rotor and additional load losses occurred in the engine to decrease.
Development of Lightweight Traction Systems to Reduce …
Th e losses in an induction motor can be split into copper losses, iron losses, mechanical losses, and stray load losses, which include harmonic losses. Copper and iron losses depend on the fundamental (sine wave) component of the drive waveform and mechanical losses on mechanical factors when the motor is run-ning.
Losses in Electric Motors Complete Overview
Losses in Electric Motors. As seen here in the diagram, electric motor losses can be divided into ohmic losses, iron losses, stray losses, and mechanical losses. Ohmic losses are also called copper losses and iron losses, often also core losses. Electric motor losses occur in the stator laminations ...
Speed Control of DC Motor: Armature Resistance Control and …
A large amount of power is wasted in the external resistance Re. Armature resistance control is restricted to keep the speed below the normal speed of the motor and increase in the speed above normal level is not possible by this method. For a given value of variable resistance, the speed reduction is not constant but varies with the motor load.
Femur Fracture Open Reduction and Internal Fixation
Internal fixation refers to the method of physically reconnecting your bones. This might involve special screws, plates, rods, wires, or nails that your surgeon places inside your bones to fix them in the correct place. This prevents your bones from healing abnormally. For a fracture in the long, middle part of your femur, your surgeon may ...
Guideline for Bolted Joint Design & Analysis
This document provides general guidance for the design and analysis of bolted joint connections. An overview of the current methods used to analyze bolted joint connections is given. Several methods for the …
Section 6. Traction
The basic methods of applying traction are referred to as skin traction and skeletal traction. (1) Skin traction. ... iron, and vitamins. Plenty of fluids and foods high in roughage will help prevent bowel and bladder complications. e. Assist the patient to take several deep breaths each hour. Coughing and deep breathing will help prevent ...