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Combined display of all available logs of Open Electrical. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)- 07:37, 22 November 2020 Jules talk contribs uploaded File:Multi pi line.png
- 07:37, 22 November 2020 Jules talk contribs created page File:Multi pi line.png
- 07:36, 22 November 2020 Jules talk contribs created page Multi-conductor Line Models (Created page with "== Introduction == Image:DSCI0402.JPG|right|thumb|250px|Figure 1. Three-phase, single-circuit tower line (image courtesy of [http://en.wikipedia.org/wiki/File:DSCI0402.JPG...")
- 07:35, 22 November 2020 Jules talk contribs created page Talk:Single-Phase Line Models (Created page with "== Footnotes == === Derivation of Adjusted Line Parameters for Equivalent <math>\pi</math> Model === In order to get the same ABCD parameters as the distributed parameter li...")
- 07:35, 22 November 2020 Jules talk contribs created page Single-Phase Line Models (Created page with "== ABCD Parameters (Generalised Line Constants) == Consider the overhead line represented as a [http://en.wikipedia.org/wiki/Two-port_network two-port network] of the form:...")
- 07:34, 22 November 2020 Jules talk contribs uploaded File:Nominal Pi Line.png
- 07:34, 22 November 2020 Jules talk contribs created page File:Nominal Pi Line.png
- 07:34, 22 November 2020 Jules talk contribs uploaded File:LC Line.png
- 07:34, 22 November 2020 Jules talk contribs created page File:LC Line.png
- 07:34, 22 November 2020 Jules talk contribs uploaded File:L Line.png
- 07:34, 22 November 2020 Jules talk contribs created page File:L Line.png
- 07:33, 22 November 2020 Jules talk contribs uploaded File:RL Line.png
- 07:33, 22 November 2020 Jules talk contribs created page File:RL Line.png
- 07:33, 22 November 2020 Jules talk contribs uploaded File:Two-port-network.png
- 07:33, 22 November 2020 Jules talk contribs created page File:Two-port-network.png
- 14:27, 18 November 2020 Jules talk contribs created page Sequence Networks (Created page with "right|thumb|450px|Reduced sequence networks: (a) Positive sequence, (b) Negative sequence, (c) Zero sequence In Symmetrical Components|symme...")
- 14:27, 18 November 2020 Jules talk contribs uploaded File:Sequence Test Network.PNG
- 14:27, 18 November 2020 Jules talk contribs created page File:Sequence Test Network.PNG
- 14:26, 18 November 2020 Jules talk contribs uploaded File:Sequence Representations.PNG
- 14:26, 18 November 2020 Jules talk contribs created page File:Sequence Representations.PNG
- 14:26, 18 November 2020 Jules talk contribs uploaded File:Sequence Networks Example.PNG
- 14:26, 18 November 2020 Jules talk contribs created page File:Sequence Networks Example.PNG
- 14:26, 18 November 2020 Jules talk contribs uploaded File:Sequence networks.PNG
- 14:26, 18 November 2020 Jules talk contribs created page File:Sequence networks.PNG
- 14:25, 18 November 2020 Jules talk contribs created page Symmetrical Components (Created page with "Symmetrical components is a mathematical method for representing an unbalanced set of phasors into three decoupled (independent) sets of phasors - two balanced sets and a thir...")
- 14:24, 18 November 2020 Jules talk contribs uploaded File:Zero seq.PNG
- 14:24, 18 November 2020 Jules talk contribs created page File:Zero seq.PNG
- 14:24, 18 November 2020 Jules talk contribs uploaded File:Negative seq.PNG
- 14:24, 18 November 2020 Jules talk contribs created page File:Negative seq.PNG
- 14:24, 18 November 2020 Jules talk contribs uploaded File:Positive seq.PNG
- 14:24, 18 November 2020 Jules talk contribs created page File:Positive seq.PNG
- 14:24, 18 November 2020 Jules talk contribs uploaded File:Unbalanced phasors.PNG
- 14:24, 18 November 2020 Jules talk contribs created page File:Unbalanced phasors.PNG
- 14:23, 18 November 2020 Jules talk contribs uploaded File:Original phasors.png
- 14:23, 18 November 2020 Jules talk contribs created page File:Original phasors.png
- 14:14, 18 November 2020 Jules talk contribs created page Overhead Line Constants (Created page with "left|thumb|700px|Figure 1. Circuit representation of a multi-conductor line segment <br clear=all> Image:DSCI0402.JPG|right|thumb|250px...")
- 14:14, 18 November 2020 Jules talk contribs uploaded File:Multiconductor segment.png
- 14:14, 18 November 2020 Jules talk contribs created page File:Multiconductor segment.png
- 14:13, 18 November 2020 Jules talk contribs uploaded File:Line constants geometry.png
- 14:13, 18 November 2020 Jules talk contribs created page File:Line constants geometry.png
- 14:13, 18 November 2020 Jules talk contribs uploaded File:DSCI0402.JPG
- 14:13, 18 November 2020 Jules talk contribs created page File:DSCI0402.JPG
- 14:12, 18 November 2020 Jules talk contribs created page Overhead Line Models (Created page with "== Introduction == This article describes the most common overhead line (OHL) models used in power systems analysis. By line models, we mean equivalent circuits composed of el...")
- 14:10, 18 November 2020 Jules talk contribs created page Infinite Bus (Created page with "The infinite bus concept is a simplifying assumption that is applied to buses or nodes with an infinite upstream fault capacity (or an equivalent upstream source impedance of...")
- 14:06, 18 November 2020 Jules talk contribs uploaded File:Gen bus house load point.gif
- 14:06, 18 November 2020 Jules talk contribs created page File:Gen bus house load point.gif
- 14:06, 18 November 2020 Jules talk contribs uploaded File:Inf bus vf.gif
- 14:06, 18 November 2020 Jules talk contribs created page File:Inf bus vf.gif
- 14:04, 18 November 2020 Jules talk contribs created page Simple Power Flow Example (Created page with "Consider the simple model shown in Figure 1, where a large stiff network supplies a constant power load <math>\boldsymbol{S} \, </math> through an impedance <...")
- 14:04, 18 November 2020 Jules talk contribs uploaded File:Simple Power Flow Fig1.png
- 14:04, 18 November 2020 Jules talk contribs created page File:Simple Power Flow Fig1.png
- 14:03, 18 November 2020 Jules talk contribs created page Newton-Raphson Power Flow (Created page with "The Newton-Raphson algorithm is the most commonly used iterative method to solve the power flow problem. == Derivation of the Newton-Raphson Method using Taylo...")
- 14:03, 18 November 2020 Jules talk contribs created page File:Taylor Example 1.png
- 14:03, 18 November 2020 Jules talk contribs uploaded File:Taylor Example 1.png
- 14:00, 18 November 2020 Jules talk contribs uploaded File:Three bus SLD.png
- 14:00, 18 November 2020 Jules talk contribs created page File:Three bus SLD.png
- 14:00, 18 November 2020 Jules talk contribs uploaded File:Three bus nodal.png
- 14:00, 18 November 2020 Jules talk contribs created page File:Three bus nodal.png
- 13:59, 18 November 2020 Jules talk contribs created page Power Flow (Created page with "== Introduction == The objective of the '''power flow''' (or '''load flow''') calculation is to determine the steady-state operating conditions of an electrical network. The...")
- 13:59, 18 November 2020 Jules talk contribs created page File:Network Analyser.jpg
- 13:59, 18 November 2020 Jules talk contribs uploaded File:Network Analyser.jpg
- 13:55, 18 November 2020 Jules talk contribs created page Electrical Power (Created page with "How do the various formulae for electrical power fit together? What is the difference between DC, AC and complex power and how do they harmonise with our physical conceptions...")
- 13:54, 18 November 2020 Jules talk contribs uploaded File:ComplexPower2.PNG
- 13:54, 18 November 2020 Jules talk contribs created page File:ComplexPower2.PNG
- 13:54, 18 November 2020 Jules talk contribs uploaded File:ComplexPower1.PNG
- 13:54, 18 November 2020 Jules talk contribs created page File:ComplexPower1.PNG
- 13:53, 18 November 2020 Jules talk contribs uploaded File:Power2.PNG
- 13:53, 18 November 2020 Jules talk contribs created page File:Power2.PNG
- 13:53, 18 November 2020 Jules talk contribs uploaded File:Power1.PNG
- 13:53, 18 November 2020 Jules talk contribs created page File:Power1.PNG
- 13:52, 18 November 2020 Jules talk contribs created page AC Power Transmission (Created page with "== Introduction == Consider the following model depicting the transfer of AC power between two buses across a line: Image:AC_Transmission_Model.PNG|left|frame|250px|Figure...")
- 13:52, 18 November 2020 Jules talk contribs uploaded File:PV Curve.PNG
- 13:52, 18 November 2020 Jules talk contribs created page File:PV Curve.PNG
- 13:51, 18 November 2020 Jules talk contribs uploaded File:Lossless Transmission.PNG
- 13:51, 18 November 2020 Jules talk contribs created page File:Lossless Transmission.PNG
- 13:51, 18 November 2020 Jules talk contribs uploaded File:AC Transmission Model.PNG
- 13:51, 18 November 2020 Jules talk contribs created page File:AC Transmission Model.PNG
- 13:50, 18 November 2020 Jules talk contribs created page Transformer Impedance (Created page with "== Positive Sequence Impedance == The transformer positive sequence impedance is also called the short circuit impedance (because it is measured from a short circuit test) or...")
- 13:50, 18 November 2020 Jules talk contribs uploaded File:TX 2W Zero Seq Test.PNG
- 13:50, 18 November 2020 Jules talk contribs created page File:TX 2W Zero Seq Test.PNG
- 13:49, 18 November 2020 Jules talk contribs uploaded File:TX 2W Impedance Test.PNG
- 13:49, 18 November 2020 Jules talk contribs created page File:TX 2W Impedance Test.PNG
- 13:48, 18 November 2020 Jules talk contribs created page 2 Winding Transformer Models (Created page with "== Positive Sequence Model == right|thumb|500px|Figure 1. Positive sequence two-winding transformer equivalent circuit The standard positive s...")
- 13:48, 18 November 2020 Jules talk contribs uploaded File:TX Zero Sequence Current Flows.png
- 13:48, 18 November 2020 Jules talk contribs created page File:TX Zero Sequence Current Flows.png
- 13:47, 18 November 2020 Jules talk contribs uploaded File:TX Zero Sequence.png
- 13:47, 18 November 2020 Jules talk contribs created page File:TX Zero Sequence.png
- 13:47, 18 November 2020 Jules talk contribs uploaded File:TX equiv circuit.png
- 13:47, 18 November 2020 Jules talk contribs created page File:TX equiv circuit.png
- 13:58, 16 November 2020 Jules talk contribs created page IP Rating (Created page with "== Introduction == IP Rating refers to the International Protection or Ingress Protection of electrical enclosures, against the intrusion of solid objects, water, dust and ac...")
- 13:55, 16 November 2020 Jules talk contribs created page Cable Voltage Grade (Created page with "== Definition == right|thumb|400px|Figure 1. Meaning of U and U0 AC cables are designed to be suitable for specific design voltages, which i...")
- 13:54, 16 November 2020 Jules talk contribs uploaded File:Cable Voltage Grade.png
- 13:54, 16 November 2020 Jules talk contribs created page File:Cable Voltage Grade.png
- 13:52, 16 November 2020 Jules talk contribs created page Modified Admittance Matrix (Created page with "In dynamic time-domain simulations, the network model is based on a steady-state power flow solution, which also provides the initial conditions for the dynamic...")
- 13:50, 16 November 2020 Jules talk contribs created page Complex Impedance (Created page with "Complex impedances are commonly used quantities in the analysis of AC power systems. A complex impedance is represented by the following relation: : <math> Z = R + jX \, </ma...")
- 13:47, 16 November 2020 Jules talk contribs created page Ill-Conditioning (Created page with "In some power systems, the Jacobian matrix can be ill-conditioned, leading to difficulties in reaching a valid a power flow solution. == Ill-Conditioned Matrices == A matrix...")
- 13:46, 16 November 2020 Jules talk contribs created page Per-unit System (Created page with "== Introduction == The per-unit system is a method of expressing quantities in an electrical system (e.g. voltage, current, impedance, etc) as a proportion of pre-defined bas...")
- 13:44, 16 November 2020 Jules talk contribs created page Kron Reduction (Created page with "The Kron Reduction is a relatively simple technique for eliminating nodes from a network when the voltage or current at that node is zero. The technique is named after [http:/...")
- 13:41, 16 November 2020 Jules talk contribs created page Synchronous Machine Models (Created page with "This page describes the most common synchronous machine models used in stability studies. == Nomenclature == The standard machine parameters are defined as follows: * <math...")
- 13:58, 15 November 2020 MediaWiki default talk contribs created page Main Page