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Induction generator: Revision history


For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

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  • curprev 23:5323:53, 7 August 2022 PolychromePlatypus talk contribs 10,871 bytes +254 Rewrite excitation description. Lagging vars is true for all inductive loads. It has nothing to do with the rotor field lagging the stator field, it’s one magnetic circuit with a single field strength. The equivalent circuit shown began with a transformer with a short circuited 1 turn secondary. The capacitor and switched resistive load are not part of the machine. undo Tags: Visual edit Mobile edit Mobile web edit

3 August 2022

  • curprev 02:0202:02, 3 August 2022 PolychromePlatypus talk contribs 10,617 bytes −175 Refine synchronous speed, it’s not “tyically” it is. The excitation is induced by the mutual inductance. Remove the discussion of “snap” starting using a charged capacitor, it’s a hobbyist fantasy, it takes a high voltage charge to overcome hysteresis to bootstrap. Residual mag start only works for DC rotor sync machines, AC demags at shutdown. Simple machines are grid connected to start and run, otherwise the power produced is unstable and unusable, large models drive an m-g set to deliver pwr undo Tags: Visual edit Mobile edit Mobile web edit
  • curprev 00:3800:38, 3 August 2022 PolychromePlatypus talk contribs 10,792 bytes +343 Refine description of excitation. Not being able to bootstrap isn’t usually, it’s intrinsic. Self-excitation is something of a misnomer. An induction generator can’t source its own reactive magnetizing current, The reactive magnetizing current can be neutralized in a fixed amount by an external capacitor bank. If a magnetizing current source is provided to bootstrap the generator and withdrawn the power frequency and voltage are both unstable functions of shaft speed and electrical load. undo Tags: Visual edit Mobile edit Mobile web edit

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