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SECONDS Use the relay characteristic CO-6 below. The TDS if the relay has TS = 5.0 A, an operating time of 1.5 s and Ip' = 15.0 A would be equal to: CURVE 418246 TYPICAL TIME CURVES TYPE CO-6 OVER CURRENT RELAY 50-60 HERTZ Select one: O a. 1 O b. 3 ○ c. 2 ○ d. 0.5 5 2 TIME DIAL SETTING 3 4 5 6 7 8 9 10 12 14 16 18 20 MULTIPLES OF TAP VALUE CURRENT

SECONDS Use the relay characteristic CO-6 below. The TDS if the relay has TS = 5.0 A, an operating time of 1.5 s and Ip' = 15.0 A would be equal to: CURVE 418246 TYPICAL TIME CURVES TYPE CO-6 OVER CURRENT RELAY 50-60 HERTZ Select one: O a. 1 O b. 3 ○ c. 2 ○ d. 0.5 5 2 TIME DIAL SETTING 3 4 5 6 7 8 9 10 12 14 16 18 20 MULTIPLES OF TAP VALUE CURRENT

Electric Motor Control
Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter14: Phase Failure Relays
Section: Chapter Questions
Problem 1SQ: What is the purpose of phase failure relays?
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SECONDS Use the relay characteristic CO-6 below. The TDS if the relay has TS = 5.0 A, an operating time of 1.5 s and Ip' = 15.0 A would be equal to: CURVE 418246 TYPICAL TIME CURVES TYPE CO-6 OVER CURRENT RELAY 50-60 HERTZ Select one: O a. 1 O b. 3 ○ c. 2 ○ d. 0.5 5 2 TIME DIAL SETTING 3 4 5 6 7 8 9 10 12 14 16 18 20 MULTIPLES OF TAP VALUE CURRENT
Transcribed Image Text:SECONDS Use the relay characteristic CO-6 below. The TDS if the relay has TS = 5.0 A, an operating time of 1.5 s and Ip' = 15.0 A would be equal to: CURVE 418246 TYPICAL TIME CURVES TYPE CO-6 OVER CURRENT RELAY 50-60 HERTZ Select one: O a. 1 O b. 3 ○ c. 2 ○ d. 0.5 5 2 TIME DIAL SETTING 3 4 5 6 7 8 9 10 12 14 16 18 20 MULTIPLES OF TAP VALUE CURRENT
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