Basler BE1-67 Instructions Manual
Also see for BE1-67: Instruction manual
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Contents
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9170900990 Rev H BE1-67 General Information 1-13SensitivityProper directional decisions are assured when the current applied to the relay exceeds 25% of TAP valueand the voltage exceeds 1.0 Vac at the setting of the characteristic angle. When polarizing voltage is lessthan the 1.0 Vac threshold, relay operation will be inhibited.Characteristic AngleAdjustmentThe BE1-67 is available with two types of adjustment for the characteristic angle.(a) Continuously adjustable over the range of 0 to 90°(b) Switch selectable settings of 30°, 45°, 60° and 75°RepeatabilityRepeatability is ±5° from the setting at nominal system frequency.Limited Range of Operation (Optional)The front panel control is continuously adjustable over the range of +5° to +90°. The total individual angleof the Limited Range of Operation will accordingly vary from 10° to 180°.Frequency RangeThe unit is designed to operate on power systems with a nominal frequency of either 50 or 60 hertz. Theunit has been type-tested for proper operation over the frequency range of 45 to 55 hertz for 50 hertzsystems and 55 to 65 hertz for 60 hertz systems.Power SupplyPower for the internal circuitry may be derived from a variety of ac or dc external power sources asindicated in Table 1-4.Table 1-4. Power Supply SpecificationsInput VoltageTypeNominal RangeBurden at NominalJ (mid range) 125 Vdc120 Vac24 to 150 Vdc90 to 132 Vac2.1 W10.8 VAK (mid range) 48 Vdc 24 to 150 Vdc 1.9 WL (low range) 24 Vdc 12 to 32 Vdc ∗ 2.1 WY (mid range) 48 Vdc125 Vdc24 to 150 Vdc24 to 150 Vdc1.9 W2.2 WZ (high range) 250 Vdc240 Vac68 to 280 Vdc90 to 270 Vac2.3 W17.6 VA∗ Type L power supply may require 14 Vdc to begin operation. Once operating, the voltage may bereduced to 12 Vdc.Target IndicatorsFunction targets may be specified as either internally operated or current operated by a minimum of 0.2amperes through the output trip circuit. When current operated, the output circuit must be limited to 30amperes for 0.2 seconds, 7 amperes for 2 minutes, and 3 amperes continuously.Single-Phase UnitsWhen specified by the style number, either an internally operated or a current operated target will besupplied for each of the tripping outputs included within the relay (i.e., the time and instantaneousovercurrent functions).www . ElectricalPartManuals . com |
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