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Voltage and Power Factor Control for Wind Generation

2. Voltage and Power Factor Control. Wind generation is inherently variableDiurnal variationsErratic short-term variations (gusting)Without mitigation, can create unacceptable voltage variations on distribution interconnectsSmaller wind plants = less diversityLow X/R ratio = more ?V per ?P Vol

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Voltage and Power Factor Control for Wind Generation

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    1. Voltage and Power Factor Control for Wind Generation Reigh Walling GE Energy

    2. 2 Voltage and Power Factor Control Wind generation is inherently variable Diurnal variations Erratic short-term variations (gusting) Without mitigation, can create unacceptable voltage variations on distribution interconnects Smaller wind plants = less diversity Low X/R ratio = more ?V per ?P Voltage issues Customer complaints Wear-out of step voltage regulators, capacitor switches

    3. 3 Comparison of Technologies Induction generators (fixed and variable R) No inherent vernier voltage regulation capability Supplemental equipment added when required Double-fed asynchronous generators Fully variable, high-speed Q, pf, or Vreg response Full conversion with VSI Fully variable, high-speed Q, pf, or Vreg response

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