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[PDF] Top 20 Application of Park's power components to the differential protection of three-phase transformers

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Application of Park's power components to the differential protection of three-phase transformers

Application of Park's power components to the differential protection of three-phase transformers

... Power transformers are expensive components with high strategic importance in the power system ...is the key to profitable generation and transmission. Their costs ... See full document

31

Modelling and simulation of three-phase power transformers

Modelling and simulation of three-phase power transformers

... concerning the use of the Park's Vector Approach, has demonstrated the effectiveness of this non-invasive technique for diagnosing the occurrence of inter-turn ... See full document

7

Control Strategy of Three Phase Shunt Active Power Filter for Power Quality Improvement

Control Strategy of Three Phase Shunt Active Power Filter for Power Quality Improvement

... elimination of disturbances and harmonic pollution in the power system have been widely ...with the increasing amount of electronic equipment (Computers, radio set, printers, TV sets ... See full document

6

Incipient turn-to-turn winding fault diagnosis of power transformers by the on-load exciting current Extended Park`s Vector Approach

Incipient turn-to-turn winding fault diagnosis of power transformers by the on-load exciting current Extended Park`s Vector Approach

... concerning the use of the supply current Park's Vector Approach, have also demonstrated the effectiveness of this technique for diagnosing the occurrence of inter-turn ... See full document

7

Evaluating the influence of selected parameters on sensitivity of a numerical model of solidification

Evaluating the influence of selected parameters on sensitivity of a numerical model of solidification

... in the range of variability of each parameter there are 4 points ...(p=4). The number of simulation needed to be conducted depends on the number of the ... See full document

6

Three-phase, three-limb, steady-state transformer model

Three-phase, three-limb, steady-state transformer model

... presents the development and im- plementation of a digital simulation model of a three- phase, three-leg, three-winding power ...transformer. The proposed ... See full document

7

Calculating the uncertainty associated to the forecast of species dispersals: Stochastic Flow Connectivity

Calculating the uncertainty associated to the forecast of species dispersals: Stochastic Flow Connectivity

... 2013) to forecast biotic flows over real landscapes, alternative to circuit theory (McRae, 2006; McRae and Beier, 2007; McRae et ...due to the fact that it resembles in some way the ... See full document

9

Statistical Assessment of the Effect of Chemical Composition on Mechanical Properties of Hypereutectic AlSi17CuNiMg Silumin

Statistical Assessment of the Effect of Chemical Composition on Mechanical Properties of Hypereutectic AlSi17CuNiMg Silumin

... from the following starting materials (Table 1): aluminium in grade AR1 (99,96% Al), silicon of 98,5% purity (rest Fe and other elements), copper (99, 98% Cu), nickel (99, 98% Ni) and cast AG10 alloy (about ... See full document

4

The analysis of solidification process of ferritic-austenitic cast steel

The analysis of solidification process of ferritic-austenitic cast steel

... One of the most common defects leading to the rejection of faulty castings made of duplex cast steel is hot ...when the material exhibits already distinct elastic ... See full document

4

The comparison of the structure and microhardness of the tool steel C90 and HS 6-5-2 remelted with the electric arc

The comparison of the structure and microhardness of the tool steel C90 and HS 6-5-2 remelted with the electric arc

... on the surface with the electric arc with the use of the FALTIG 315AC/DC ...apparatus. The single remelting was applied. The treatment parameters were used: amperage ... See full document

4

Analysis of Structure and Abrasion Resistance of the Metal Composite Based on an Intermetallic FeAl Phase with VC and TiC Precipitates

Analysis of Structure and Abrasion Resistance of the Metal Composite Based on an Intermetallic FeAl Phase with VC and TiC Precipitates

... If to the FeAl-based intermetallics certain predetermined amounts of carbon are added, the resultant material will be high- aluminium cast iron for application at high temperatures, ... See full document

4

An Analysis Of The Difference In Gender Level Of Cassava Production And Access To Land In Abia State Nigeria

An Analysis Of The Difference In Gender Level Of Cassava Production And Access To Land In Abia State Nigeria

... most of the labour for harvesting and post-harvest activities (FAO, ...source of income for rural households (Davies et ...for the largest number of households in comparison with other ... See full document

5

Buying Behavior Of Organic Vegetables Product The Effects Of Perceptions Of Quality And Risk

Buying Behavior Of Organic Vegetables Product The Effects Of Perceptions Of Quality And Risk

... as the degree of excellence or superiority that an organization’s product possesses (Khan, ...perceive the quality of the products and it also called perception of quality, ... See full document

8

Application of an artificial neural network in the use of  properties as a low cost proxy of power transformers DGA data

Application of an artificial neural network in the use of properties as a low cost proxy of power transformers DGA data

... For the very specific case of a power transformer, there is no source of high frequency light, such as ultraviolet or other ionizing radiation, which possibly could catalyze the ... See full document

8

Conferência PacWorld EST 06 2012

Conferência PacWorld EST 06 2012

... approach to a numerical current differential protection for the transmission ...lines. The current differential algorithm uses a pattern recognition ...First the acquired ... See full document

6

Effect of heat treatment parameters on the properties of low-alloy cast steel with microadditions of vanadium

Effect of heat treatment parameters on the properties of low-alloy cast steel with microadditions of vanadium

... gives the results of mechanical tests carried out on the low-alloy cast steel with additions of vanadium and compares them with the results of previous studies made on this cast ... See full document

4

Identification of AG10 alloy’s mechanical properties on base of ATND method

Identification of AG10 alloy’s mechanical properties on base of ATND method

... run of crystallization process of alloys constitutes a source of information on development of a new technology to prepare liquid metal and to control of preparation ... See full document

4

Influence of tungsten and titanium on the structure of chromium cast iron

Influence of tungsten and titanium on the structure of chromium cast iron

... structure of the chromium cast iron greatly depends on the additionally introduced elements such as titanium and ...contrast to other elements of this type it does not form complex ... See full document

4

Condition monitoring and diagnostics of power transformers

Condition monitoring and diagnostics of power transformers

... During the last years, this picture has changed drastically, particularly in Europe and in the ...USA. The trend towards free competition and privatisation with the related demands on return ... See full document

11

Distribution Transformer Modeling for Application in Three-Phase Power Flow Algorithm

Distribution Transformer Modeling for Application in Three-Phase Power Flow Algorithm

... types of transformer configuration, to be used in algorithms of power flow in three-phase radial distribution ...networks. The paper provides a detailed discussion about ... See full document

7

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