Certificate No.: Date: 115A-Abr. 10 Nov. 01 Kyle Distribution Switchgear Certified Engineering Test Report COOPER POWER SYSTEMS TYPE "VCS-1M" (15.5 kV) MOTOR OPERATED SINGLE-PHASE VACUUM CAPACITOR SWITCH Certification The apparatus, constructed in accordance with the description and drawings incorporated in this report, has been subjected to the series of design tests in accordance with industry standards. The results are shown in the record of design tests and the oscillograms attached hereto. The values obtained and the general performance are considered to comply with industry standards listed in the detailed certification and to justify the ratings assigned by Cooper Power Systems as listed on 4on the following page The documents forming part of this certificate are: Record of Design Tests: Page Nos. 16 Total Oscillogram Nos. 13 Total Drawings Nos. DATA002919 The detailed certificate comprises of 16 pages and 14 other sheets. Only integral reproduction of this certificate, or reproductions of this page accompanied by page(s) on which are stated the tests performed and the assigned rated characteristics of the apparatus tested, are permitted without written permission from: D. T. Stone, PE Manager, Product Safety and Reliability R. S. Daharsh, PE, Engineering Manager ©Cooper Power Systems, Inc. Kyle® Distribution Switchgear 2800 Ninth Avenue South Milwaukee, WI 53172-0800 (414) 762-1200 CERTIFICATION Subject: Certification of the Cooper Power Systems "VCS-1M" (15.5 kV) Single Phase Vacuum Capacitor Switch Reference: DATA002920 DESCRIPTION: This is to certify that the referenced type "VCS-1M" (15.5 kV) single-phase, motor operated vacuum switch has been tested in accordance with American National Standard ANSI C37.66-1969 (R1988) for Oil-Filled Capacitor Switches for Alternating-current Systems, and passed all required tests for the following ratings: Electrical Ratings: Maximum Rated Voltage Solidly grounded capacitor banks (26.8/15.5 kV Grounded wye) Ungrounded capacitor banks (13.0 kV Ungrounded wye) Dielectric Withstand Ratings: 1.2 x 50 microsecond full wave (BIL, terminal to terminal) 1.2 x 50 microsecond full wave (BIL, line to ground) 60 Hz. dry - one (1) minute withstand 60 Hz. wet - ten (10) second withstand Corona Extinction Voltage level (<20 pC) Radio Influence Voltage @ 16.4 kV Maximum Rated Continuous Current Capacitive Switching Current (single bank) Load Switching Current (X/R= 1.0) Peak High Frequency Transient Inrush (peak) Current @6,000 Hz Momentary Rating, Asymmetric Amperes Close and Latch Rating, Asymmetric Amperes Short-Time Current Symmetrical Amperes for 1/2 second Symmetrical Amperes for 1 second 15.5 kV 13.0 kV 95 kV Crest 125 kV Crest 50 kV 45 kV 19 kV Min. 100 µV Max. 200 A 200 A 200 A 12,000 A 9,000 A 9,000 A 6,000 A 4,500 A D. T. Stone, PE Manager Product Safety and Reliability 19 Nov 2001 ©Cooper Power Systems, Inc. Kyle® Distribution Switchgear 2800 Ninth Avenue South Milwaukee, WI 53172-0800 (414) 762-1200