• No results found

high power arc furnaces

Evaluation of Power Quality in Arc Furnace Using Iec Flicker Meter

Evaluation of Power Quality in Arc Furnace Using Iec Flicker Meter

... electric arc furnaces for the production of steel has grown dramatically in the ...Electric Arc Furnace( EAF) accounted for 20% of the steel produced; by 1996 the figure had risen to 39% and by the ...

7

The thermal performance of water cooled panels in electric arc steelmaking furnaces

The thermal performance of water cooled panels in electric arc steelmaking furnaces

... Using high speed photography, Schwabe examined the behaviour of the arc column during the electrical cycle and found that an arc flare existed which was directed from the arc toward the ...the ...

294

Economic and environmentally beneficial treatment of slags in DC arc furnaces

Economic and environmentally beneficial treatment of slags in DC arc furnaces

... and power inputs up to 800 kW (3 kA, 270 V) in a 1 MW DC arc ...filter. High extraction levels (more than 95 per cent extraction from the slag) of zinc and lead were ...

14

Compensation of Electric Arc Furnaces Based on LaGrange Minimization.

Compensation of Electric Arc Furnaces Based on LaGrange Minimization.

... the arc. The electrode temperatures can be quite high, with 1,500°C being fairly ...the power requirements are quite impressive; sizes of 120 MVA are ...electric arc, it is to be expected that ...

201

Net Greenhouse Gas Emissions Savings from Natural Gas Substitutions in Vehicles, Furnaces, and Power Plants

Net Greenhouse Gas Emissions Savings from Natural Gas Substitutions in Vehicles, Furnaces, and Power Plants

... Electric heat pumps are assumed to meet the EnergySTAR Heating Seasonal Performance Factor (HSPF) of 8.0 Btu per kWh consumed. Electric furnaces with an AFUE of 95% would use more than 2.5 times as much ...

33

H2/H∞Robust Controller of the Arc Welding Inverter Power

H2/H∞Robust Controller of the Arc Welding Inverter Power

... Abstract—There are a lot of interference sources in the system of the arc welding inverter power. In this paper, a small-signal model which was built by the method of state- space average was quoted. A ...

6

Arc root commutation from moving contacts in low voltage devices

Arc root commutation from moving contacts in low voltage devices

... the arc was ignited between parallel runners and the motion of the arc studied with a single optical fiber and a streak ...the arc mobility is ...

6

EVALUATION OF MECHANICAL PROPERTIES OF HAZ FOR LCS USING
                                MMAW WITH SIMULTANEOUS COOLING EFFECTManmohan Yadav, Dr. Rakesh Rajpal

EVALUATION OF MECHANICAL PROPERTIES OF HAZ FOR LCS USING MMAW WITH SIMULTANEOUS COOLING EFFECTManmohan Yadav, Dr. Rakesh Rajpal

... Manual Arc Welding using some cheapest and effective cooling ...electric arc welding, high amount heat is transferred during Arc welding to the work-pieces so there is change in the size of ...

9

Response analysis of an industrial power system with arc furnaces utilising artificial intelligence

Response analysis of an industrial power system with arc furnaces utilising artificial intelligence

... Conventional modelling approaches are used to obtain the instantaneous voltage and current wave forms of the arc furnace, while black box modelling approaches such as artificial neural n[r] ...

137

The high deposition rate additive manufacture of nickel superalloys and metal matrix composites

The high deposition rate additive manufacture of nickel superalloys and metal matrix composites

... 47 other was loaded with a pre-mixed IN690+TiC blend, using 49 vol% TiC. The pre-mixing of powders was found to be difficult using a roller mill at such high TiC volume fractions, and the mixture was eventually ...

434

Ethernet Solutions for Communication of Twin- Arc High Speed Submerged Arc Welding Equipments

Ethernet Solutions for Communication of Twin- Arc High Speed Submerged Arc Welding Equipments

... Submerged arc welding is a high efficiency welding method, which is one of the most widely applied technologies in welding manufacture ...of high efficiency, deep penetration, perfect weld seam ...

8

Technology Metals Advanced Ceramics. High Performance Solutions for the LED Industry

Technology Metals Advanced Ceramics. High Performance Solutions for the LED Industry

... The most attractive features of LEDs are their high energy efficiency, miniature size, environmentally friendly and longer service life. H.C. Starck’s engineered product solutions support the LED market with ...

8

The production of acetylene in a high intensity electric arc

The production of acetylene in a high intensity electric arc

... For a constant coal feed, the yield and concentration increased with increasing hydrogen enthalpy and the energy requirement went through a minimum over the same range... At the hydrogen[r] ...

141

Why Should I Worry About Moisture Problems?

Why Should I Worry About Moisture Problems?

... If you are thinking about replacing deteriorated windows, consider upgrading to high-performance windows, which have special “low-E” coatings and are filled with inert gases such as argon or krypton. The ...

12

Formation of One Pass Fully Penetrated Weld Bead of Titanium Plate by Fiber Laser and MIG Arc Hybrid Welding

Formation of One Pass Fully Penetrated Weld Bead of Titanium Plate by Fiber Laser and MIG Arc Hybrid Welding

... shown in Table 2. After welding, the hybrid welds were cross-sectioned perpendicularly to the welding direction (WD) for the metallographic and mechanical analysis by an abrasive cutter. The cross-sections were ...

5

Acetylene by electric arc : a report on the feasibility of producing acetylene gas by a high intensity arc process

Acetylene by electric arc : a report on the feasibility of producing acetylene gas by a high intensity arc process

... It has been shown that the high intensity arc process for the manufacture of acetylene from a solid feedstock can only be scaled up to a limited extent, and that the throughput of a reac[r] ...

172

A CSC Dc-Dc Converter Fed Closed Loop Control of BIDC Motor

A CSC Dc-Dc Converter Fed Closed Loop Control of BIDC Motor

... welding power supply (AWPSs) with dc yield; AWPS with air conditioning ...prompting high curve strength and a smoother welding yield when contrasted with the second ...welding power supply yields a ...

12

Domination Numbers, Chromatic Numbers and Total Domination Numbers of all Powers of Cycles using a Circular Arc Graph G

Domination Numbers, Chromatic Numbers and Total Domination Numbers of all Powers of Cycles using a Circular Arc Graph G

... Abstract: Graph theory is the study of graphs, which are mathematical structures used to demonstrate pair wise relations between objects. A dominating set is used as a backbone for communication. Among various ...

9

PC-based visual simulation of high pressure arc plasma

PC-based visual simulation of high pressure arc plasma

... author‟s knowledge, first carried out by Reyrolle Switchgear [Rey75] in 1973. Renewed interest in the auto-expansion principle was first reported in 1981 by Ueda et al [Ued81]. The Japanese group studied the self-flow ...

177

Welding Metallurgy   2nd Edition (John Wiley & Sons) pdf

Welding Metallurgy 2nd Edition (John Wiley & Sons) pdf

... This technique has been used extensively in metal casting. It involves the addi- tion of nucleating agents or inoculants to the liquid metal to be solidified. As a result of inoculation, heterogeneous nucleation is ...

466

Show all 10000 documents...

Related subjects