Sepam - HV/MV Protection and control units (ENG) - Trinet

Parameter and setting errorsChanging a status parameter may put a protectionsetting outside the tolerance range.Sepam detects this problem and displays thefollowing message:P\CT ratioprotection settingout of rangepress clear keyThe user should then check and, if necessary, changethe protection settings. The PROTECTION line blinksuntil the settings have been corrected.Settings out of range.A protection value may be out of range when it is set..Sepam detects this and indicates the permissiblerange of settings.P\50N-51N F081Iso out of range0.05Ino < Iso < InoPress clear keyExample: 50N, 51N earth protection.All the parameters and settings are accessible in3 menus:v general parameters: status menu,v protection : protection menu,v operating parameters:program logic menu,General parametersThe general parameters are accessiblein the status menu; they are to be set at the timeof commissioning, using the setting sheet(see corresponding chapter) and must not bemodified during current operation.Installation - Use - General characteristics - TestingStatus menu parameter chartheading name function command selectionfrequency Fn network frequency data + and - 50 or 60 Hzkeysphase CT In CT rating numeric adjustable fromratio keys 10 A to 6250 Aphase CT' Ib basis current of numeric 0.4 to 1.3Inratio for CT equip. being protected keys in ampsnumber number of current data + and - 2 or 3 sensorssensorskeysphase CT In CT rating (standard data + and - 30 values betweenratio for CSP values see table on keys 30 A and 2500 Athe next page)Ib basis current of the numeric 0.4In to 1.3Inequipment being protected keys in amperesnumber number of data + and - 2 or 3 sensorscurrent sensors keyscapteur Io sensor type of earth data + and - c sum of 3Icapteur Io’ fault current keys c 2 A core bal. CTc tore 30 Ac 30 A core bal. CTc core bal. CT+ ACE 990Ino CT rating with CT S26, S36 adjustable from+ CSH 30 option numeric 1.0 A and 6250 Akeyscore bal. CT rating with S25, S35 56 values fromcore bal. CT + data + and - 1 A to 6250 AACE 990 option keysmax. period max. demand integration data + and - adjustable frominterval period keys 5, 10, 15, 30, 60 mnphase VT number number of VTs wirred data + and - S26-S36 S25-S35phase VT’ keys V U211U U21-U323U 3UUnp rated VT primary numeric adjustable fromvoltage keys 220 V to 250 kVUns rated VT secondary data + and - 100, 110, 115,voltage keys 120 VVnso type of residual data + and - c sum of 3Vsvoltage measurement keys c Uns / ec Uns / 3direction of incomer reverses the signs data + and - incomer:energy feeder of power and energy keys cable --> busbars (1)measurementsfeeder:busbars --> cable (1)disturbance pretrig number of periods numeric adjustable fromrecording (4) before triggering keys 1 and 85 periodseventcommuni- speed transmission speed data + and - 300, 600, 1200,cation (2) keys 2400, 4800, 9600,19200, 38400 bdsstation Sepam station number numeric 1 to 255in the networkkeysparity transmission format data + and - even, odd,keys without paritytime synchro type of synchronization data + and - via:tagging (2) used keys - network- inputs I11 or I21events I1 I2 numeric(3)I11 to I18keysI21 to I28I31 to I38KTS1 to KTS32 by 8-bit wordsKTS33 to KTS64 for S26, S36onlypasswordsee correspondingpage(1)incomer + , feeder +(2)for commissioning, refer to “communication” document.(3)0 = not time-tagged1 = time-tagged.All events are set to zero by default.(4)available as of version 9940 of SFT 2800.2/11