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Capstone Microturbine C1000 Series - Grid Connect Input Impedance Calculation

Capstone Microturbine C1000 Series
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Capstone Turbine Corporation • 16640 Stagg Street • Van Nuys • CA 91406 • USA
Installation Guide: Capstone C1000S/C800S/C600S with C1000 Series Controller
480064 Rev C (December 2018) Page 74 of 122
Capstone reserves the right to change or modify, without notice, the design, specifications, and/or contents of this document without
incurring any obligation either with respect to equipment previously sold or in the process of construction.
Table 13 Notes:
(1) For Dual Mode configuration, equipment should be sized per Stand Alone (SA) ratings.
(2) If not in specification, refer to Section 7.8 for harmonics requirements.
(3) 20 to 25% of microturbine kVA rating.
(4) 40% microturbine kVA rating.
7.4.3. Grid Connect Input Impedance Calculation
The following examples provide an input impedance calculation per microturbine based on a
typical transformer installation, as shown in Figure 29 and Figure 30. The calculations below are
checking inductive impedance only, as this is generally the limiting factor, not the resistive
impedance.
NOTE
Input impedance calculations are for Grid Connect operation only.

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