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Power Factor Correction - Capacitor Sizing wrt Motor Speed

  1. Jun 3, 2014 #1
    Please have a look at the following links:

    http://www.eaton.com/ecm/groups/public/@pub/@electrical/documents/content/sa02607001e.pdf
    (Table 3)

    http://www.electrical-installation.org/enwiki/Power_factor_correction_of_induction_motors
    FigL24)

    - For power factor correction, why would the capacitor size (kvar) depend upon an induction motor's speed; does a motor with larger number of poles have a lower power factor?

    - When power factor correction capacitors are used in industries, does a capacitor's power factor rating specify the total reactive power (Q) supplied for all three phases or is it Q supplied per phase?
     
  2. jcsd
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