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P12x/EN T/Eb6 - Schneider - error

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Application Guide<strong>P12x</strong>/<strong>EN</strong> AP/<strong>Eb6</strong>MiCOM P120/P121/P122/P123 Page 55/78It is therefore common practice to block the autoreclose using the sensitive earth faultprotection and lockout the circuit breaker.Where motor-wound spring closed circuit breakers are used, the reclaim time must be atleast as long as the spring winding time for high speed autoreclose to ensure that thebreaker can perform a trip-close-trip cycle.A typical 11/33kV reclaim time is 3-10 seconds, this prevents unnecessary lockout duringthunderstorms. However, times up to 60-180 seconds maybe used.22.3.5 Autoreclose setting guideline22.3.5.1 General settingSETTING CONDITION FOR THE ARC FUNCTIONALITY“PROTECTION Gx / [79] AUTORECLOSE”“Autoreclose”“Phase Cycles” or/and “E/GND Cycles” At least 1 If the cycle = 0 none autorecloseavailableYes“Cycles xxxx” 12340111“AUTOMA. CTRL / INPUTS”One of the digital inputs. The relevantinput must be configured as Active High52aMax number cycle:max. 4 cyclesThis input must be in accordance withthe CB position: HIGH with CB close,LOW with CB opened.“AUTOMA. CTRL / OUTPUTS RELAYS”“CB Close & SOTF”One of the relays from 2 to 8CB CloseThis relay must be only assigned to thisfunction.

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