13.07.2015 Views

P12x/EN T/Eb6 - Schneider - error

P12x/EN T/Eb6 - Schneider - error

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User Guide<strong>P12x</strong>/<strong>EN</strong> FT/<strong>Eb6</strong>MiCOM P120/P121/P122/P123 Page 27/62c) Delay type = RI - electromechanical inverse time curveDelay TypeKt ResetRI2.50060 msDisplay of the I> inverse time delay (electromechanicalRI curve).Selects the RI curve K value from 0.100 to 10 (step0.100)P122 and P123 only,Sets the reset time value from 0 to 600 s (step 10 ms)2.8.1.2 Submenu Second phase overcurrent threshold (I>>) protectionThis section presents the main specific points for this submenu (I>> = Yes). Refer to §2.8.1.1 for details (setting ranges, setting choices and availabilities).I>> ?I>>Delay TypeYes4 InDMT“Yes” option is selected.The second phase overcurrent threshold (I>>) protectionis enabled.Sets the value for the overcurrent threshold I>>,The threshold setting range is from 0.1 to 40 In (step0.01) In.Selects the time delay type associated with I>>.Setting choices “DMT”: see a, “IDMT”: see b, “RI”: see c.a) Delay type = Definite Minimum TimeDelay TypetI >>t ResetDMT0.0400 ms“DMT” is selectedSet the value for the time delay associated with I>>.Reset time value.b) Delay type = Inverse Definite Minimum TimeIdentical to § 2.8.1.1, section b).c) Delay type = RI - electromechanical inverse time curveIdentical to § 2.8.1.1, section c).2.8.1.3 Submenu Third phase overcurrent threshold (I>>>) protectionI>>> ?I>>> SampleI>>>tI >>>YesNo10 In100 msYes” option is selected.The third phase overcurrent threshold (I>>>) protectionis enabled.P122 and P123 onlySelect the mode of operation of the third threshold. I>>>operates on current sample base if you select (YES), oron Discrete Fourier Transformation base if you select(NO)Set the value for the third overcurrent threshold I>>> Thethreshold setting range is from 0.5 to 40 In (step 0.010In)Set the time delay associated with I>>>. The settingrange is from 0 to 150.0s (step 0.010s).

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