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Title: REGULATION OF THREE PHASE ALTERNATOR BY EMF MMF and ZPF
Page Link: REGULATION OF THREE PHASE ALTERNATOR BY EMF MMF and ZPF -
Posted By: smart paper boy
Created at: Wednesday 10th of August 2011 12:37:21 PM
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AIM
To conduct OC, SC and ZPF test on the three phase alternator and to predetermine the regulation of 3 phase alternator by EMF method, MMF method, & ZPF method also to verify by vector diagram.
APPARATUS REQUIRED
PRECAUTION
1. The motor field rheostat should be kept in the minimum resistance position.
2. The alternator field potential divider should be in the minimum voltage position.
3. Initially all switches are in open position.
PROCEDURE
A. OC.Test
1. Note down the name ....etc
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Title: mmf and emf formula
Page Link: mmf and emf formula -
Posted By:
Created at: Friday 26th of October 2012 05:24:37 PM
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Title: various factors affecting internal resistance and emf of a cell
Page Link: various factors affecting internal resistance and emf of a cell -
Posted By:
Created at: Sunday 28th of October 2012 04:48:07 PM
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Title: REGULATION OF 3PHASE ALTERNATOR BY EMF AND MMF METHODS
Page Link: REGULATION OF 3PHASE ALTERNATOR BY EMF AND MMF METHODS -
Posted By: smart paper boy
Created at: Friday 29th of July 2011 05:51:20 PM
| advantages and disadvantages of emf method of alternator,
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THEORY:
The regulation of a 3-phase alternator may be predetermined by conducting the Open Circuit (OC) and the Sort Circuit (SC) tests. The methods employed for determination of regulation are EMF or synchronous impedance method, MMF or Ampere Turns method and the ZPF or Potier triangle method. In this experiment, the EMF and MMF methods are used. The OC and SC graphs are plotted from the two tests. The synchronous impedance is found from the OC test. The regulation is then determined at different power factors by ....etc
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Title: download file on which factors internal resistance and emf of a cell depend
Page Link: download file on which factors internal resistance and emf of a cell depend -
Posted By:
Created at: Tuesday 07th of February 2017 09:25:50 PM
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Title: hii iam ramakanth i would like to get details why mmf method is optimistic
Page Link: hii iam ramakanth i would like to get details why mmf method is optimistic -
Posted By:
Created at: Tuesday 08th of August 2017 10:58:48 PM
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Title: factors affecting emf and internal resistance of cell
Page Link: factors affecting emf and internal resistance of cell -
Posted By:
Created at: Monday 22nd of October 2012 12:38:15 AM
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factors affecting emf and internal resistance of cell ....etc
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Title: physics project onto study various factors on which the internal resistance and emf of a cell depends
Page Link: physics project onto study various factors on which the internal resistance and emf of a cell depends -
Posted By:
Created at: Thursday 10th of January 2013 03:21:23 PM
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Title: factors affecting internal resistance and emf of a cell wikipedia
Page Link: factors affecting internal resistance and emf of a cell wikipedia -
Posted By:
Created at: Tuesday 19th of January 2016 03:48:59 AM
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Title: advantages and disadvantages of mmf method
Page Link: advantages and disadvantages of mmf method -
Posted By:
Created at: Thursday 12th of April 2018 07:19:05 AM
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I want ans for this question .plz try to say fast ....etc
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