AHRI 1211 SI with Addendum 国外国际规范.pdf

ANSI/AHRI Standard 1211 (SI) with Addendum 1 2011 Standard for Performance Rating of Variable Frequency Drives Approved by ANSI on April 17, 2012 ANSI/AHRI STANDARD 1211 (SI)-2011 WITH ADDENDUM 1 Performance Rating of Variable Frequency Drives June 2013 Addendum 1 (dated June 2013) of ANSI/AHRI Standard 1211 (SI)-2011, “Changes to ANSI/AHRI Standard 1211 (SI)-2011” is provided as follows. The following changes have been incorporated (deletions are shown by strikethroughs, additions are shown by shading) into the already published 2011 version of ANSI/AHRI Standard 1211 (SI) to avoid confusion: Note: This addendum was approved by ANSI on October 1, 2013. The changes include: 1. Remove 16% from Table 3 and replace with 25% to align with values in Table 2. Table 3. Speed/Torque Test Points for Powerline Harmonics Test Percent Torque 16%25% 56% 100% 40% CT Percent 50% VT CT Speed 75% VT CT 100% CT/VT Notes: 1. Output frequency or other readouts from the VFD shall not be used to determine percent speed. 2. Only those cells that contain CT or VT are test points 2. Remove I and I from Table 5 a