ppt on e traction of copper for class


HPC Cone Crusher

HPC Cone Crusher

Base on the latest technology and decades of years’ producing experience, Leilton designed the HPC series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the…

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HPT Cone Crusher

HPT Cone Crusher

HPT cone crusher has the same structure and the same crushing theory as traditional HPC cone crusher. But HPT cone crusher strengthens the performance of driving device and sealing service. And the structure…

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HST Cone Crusher

HST Cone Crusher

HST series single cylinder cone crusher with hydraulic-driven system is a kind of new type high efficient crushing equipment which is developed by our engineers through over 20 year's effort of design,…

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Electric Machine Design Course - IEEE

Mercedes-Benz B-Class Electric Drive Sonata Hybrid Nissan Leaf. Brushless stator design typical of an AC Induction machine Larger air-gap Smaller air-gap ... Tesla electrics using AC Induction traction motors Copper Rotor Rated output power = 288 HP Peak Torque = 300 lbf-ft (0 to 5000 rpm) Max speed = 14,000 rpm Tesla Model S Traction Motor 48 ...

DC –DC CONVERTER (DC – CHOPPER)

4/6/2009· chopper is also known as dc‐to‐dc converter. The thyristorconverter offers greater efficiency, faster response, lower maintenance, smaller size and smooth control. Choppers are widely used in trolley cars, battery operated vehicles, traction motor control, control of large number of dc motors, etc…..

Classification of Electric Motors ~ Electrical Knowhow

Unlike other electric motor types (i.e., brushless DC, AC induction), BDC motors do not require a controller to switch current in the motor windings. Instead, the commutation of the windings of a BDC motor is done mechanically. A segmented copper sleeve, called a …

Traction Motor Repair Service & Overhaul Facility

Traction motors are the key components of complex propulsion systems that drive freight locomotives and passenger transit vehicles. The operational performance of traction motors directly affects the efficiency and dependability of services provided by Rail Transportation and Mass Transit industries.

Engineering Notes India - Essays, Research Papers and ...

Supported file types: pdf, txt, doc, ppt, xls, docx, and more. By uploading, you agree to our Uploader Agreement. Get to all your files from local PC, on any device, and share them with anyone. Never Lose your works Again. Share it and Access it from Anywhere around the World. Share your Knowledge in Seconds. For Private Use only!

Traction motor - LinkedIn SlideShare

10/29/2011· TRACTION MOTOR(1) Description: The traction motor is a four pole DC series motor in which field winding is connected in series with armature. It is a forced ventilated machine arranged for axle mounting on sleeve bearing. Transverse movement is limited by the flanges of …

Introduction to Tensile Testing - ASM International

Introduction to Tensile Testing / 5 Fig. 6 The low-strain region of the stress-strain curve for a ductile material tic contribution and e e is the elastic contribution (and still related to the stress by Eq 3). It is tempting to define an elastic limit as the stress at which plastic deformation first occurs

Gold E Traction The Crusher Diagram

Gold E Traction The Crusher Diagram. FOB Reference Price: Get Latest Price Stone Crushing Machine: gold e traction the crusher diagram - We provide customers with a variety of good quality construction and mining crushing equipment, and optimize the combination of various types of equipment to meet different process needs.

Railway Networks Cable Applications - Nexans

traction power network, either with 15 kV voltage for the countries applying 16.7 Hz frequency or 25 kV for most of the countries powering traction with 50 Hz frequency. The cables are generally comprising Class 2 copper or Aluminum conductors, with cross-linked 2.To feed Direct Current (DC) powered regional or local public transport systems ...

copper extraction and purification - chemguide

The copper(II) ions are removed again from the organic solvent by reaction with fresh sulphuric acid, producing a much more concentrated copper(II) sulphate solution than before. Electrolysis of the new solution. Copper(II) ions are deposited as copper on the cathode (for the electrode equation, see under the purification of copper below).

PPT – Chapter 3: INDUCTION MOTOR PowerPoint …

World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Winner of the Standing Ovation Award for "Best PowerPoint Templates" from Presentations Magazine. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect.

Lecture Notes on Power System Engineering II

Copper has high current density i.e., the current carrying capacity of copper per unit of X-sectional area is quite large. This leads to two advantages. Firstly, smaller X-sectional area of conductor is required and secondly, the area offered by the conductor to wind loads is reduced.

Insulation Class Explanantion - Regal Beloit

class F/B 155°C 80K Safety margin 25K 150°C PTCs setting-2 °C0 -2 °C0 -2 °C0 Regal Beloit BV, Mors 2, 7150 AA Eibergen, The Netherlands °C0 Permissible temperature rise IEC Electric Motors - Insulation Class Explanation

e traction of metals from its ores powerpoint

e traction of metals from its ores powerpoint. PowerPoint Presentation. ... PPT - Extracting Metals from Ores PowerPoint Presentation Oct 31 2017· Extraction of a Metal from its Ore - Activity - Yenka In this exercise you will attempt to extract a sample of lead from an ore containing a mixture of lead Since sulfur dioxide is the oxide of a ...

Traction Motor Design Considerations - MIT

Traction Motor Design Considerations James L. Kirtley Jr. Massachusetts Institute of Technology 1 Introduction This is a concept paper in response to the FOA entitled 'Rare Earth Alternatives in Critical Technologies for Energy (REACT)'. Some of the technical discussion is based on work that has been reported in a conference publication1 ...

Computation of Rectifier Transformers employed in Railway ...

These transformers are categorised as Class G and must conform to BS 4417: 1969 [3]. In the standard states Class G transformers duty cycle should usually be specified by the purchaser. Modern trains draw current when they accelerate. The amount of current is dependent on the rolling stock and number of …

Electrical Drives and Traction

Traction Motors: Review of characteristics of different types of DC and AC motors used traction and their suitability MODULE-IV (10 HOURS) Rating and heating of electric drives, power loss, Heating and cooling of motors, Classes and duty and selection of motors, Drives for specific application like steel, paper, Textile Mills

Extraction Of Iron From Its Oxides - YouTube

2/5/2014· Extraction of iron from its oxides:In a Blast furnace Oxide ores of iron, after concentration through calcination/roasting are mixed with limestone and coke are fed from its top.Hot air is blown ...

Extraction of Metals - Methods of Extraction of Metals ...

Isolation of elements in Chemistry class 12 aims to teach the students about various processes of extraction of metals from ores. Very few metals such as the noble metals, i.e., Gold, Silver, and Platinum etc. are present in their original metallic forms in nature. Metallurgy is the field of science which deals with the extraction of metals ...

Uniaxial Tension and Compression Testing of Materials

Copper's toughness (E = 53.22 GPa) was comparable to that of brass (E = 58.03 GPa), while aluminum (E = 38.16 GPa) was found to be the most elastic of the metals. The energy stored in tension for the four metals was similarly ordered, with steel and brass

OVER HEAD EQUIPMENTS

The section of the OHE between the FP & SSP, SSP & SP is called sub-sector. This is the shortest section of the OHE which can be isolated through Remote Control by the Traction Power Controller. 1.7.10 Elementary Section (ES) : This is the shortest section of the OHE which can be isolated manually for carrying out OHE maintenance work.

NEMA Insulation Classes - Engineering ToolBox

Temperature Tolerance Class B is the most common insulation class used on most 60 cycle US motors. Temperature Tolerance Class F is the most common for international and 50 cycle motors. Sponsored Links. Electrical - Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors. en: nema insulation class.

Challenges in Mining: Scarcity or Opportunity?

6/23/2015· in the last decade, e.g., – Average copper mine input costs have risen ~150% in the past 15 years – In 10 years, productivity in some of the world's major mining hubs has declined by up to 50% Mining companies are increasingly looking at technological innovations to address these trends, with a view to reducing costs and increasing ...

AEMT - Association of Electrical and Mechanical Trades

Class E. Class E insulation consists of materials or combinations of materials, which by experience or tests can be shown to be capable of operation at Class E temperature (materials possessing a degree of thermal stability allowing them to be operated at a temperature 15 Centigrade degrees higher than Class …

Insulation system - Wikipedia

11 · The electrical insulation system for wires used in generators, electric motors, transformers, and …

4 Chopper-Controlled DC Motor Drive

4 Chopper-Controlled DC Motor Drive • Chopper: The variable dc voltage is controlled by varying the on- and off-times of a converter. • Fig. 4.1 is a schematic diagram of the chopper. • Its frequency of operation is and its duty cycle is defined as

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