CHAPTER 6: ACTUAL VALUES METERINGG60 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL 6-236If synchrocheck or a setting is "Disabled," the corresponding actual values menu item does not display.6.4.5 Tracking frequencyACTUAL VALUES METERING TRACKING FREQUENCYThe tracking frequency displays here. The frequency is tracked based on the selection of the reference source with theFREQUENCY AND PHASE REFERENCE setting in the SETTINGS SYSTEM SETUP POWER SYSTEM menu. See the PowerSystem section of chapter 5 for details.6.4.6 Frequency rate of changeACTUAL VALUES METERING FREQUENCY RATE OF CHANGE 1(4)The metered frequency rate of change for the frequency rate of change elements is shown here.6.4.7 Frequency out-of-band accumulationACTUAL VALUES METERING FREQUENCY OOB ACCUMULATIONThe frequency out-of-band accumulation metered values are displayed to the nearest percent as a ratio of the presentaccumulation to the user-specified limit. Note that this value can be greater than 100%.6.4.8 FlexElementsACTUAL VALUES METERING FLEXELEMENTS FLEXELEMENT 1(16)The operating signals for the FlexElements are displayed in pu values using the following definitions of the base units.Table 6-2: FlexElement base units SYNCHROCHECK 1 PROJSYNSCP D_PH: 0.0° TRACKING FREQUENCY TRACKING FREQUENCY:60.00 Hz FREQUENCY RATE OF CHANGE 1 FREQUENCY RATE OFCHANGE1: 0.00 Hz/s FREQUENCY OOB ACCUMULATION FREQUENCY OOB BAND 1ACCUMULATION: 0.0% FREQUENCY OOB BAND 2ACCUMULATION: 0.0% FREQUENCY OOB BAND 7ACCUMULATION: 0.0% FLEXELEMENT 1 FLEXELEMENT 1OpSig: 0.000Base unit DescriptionBREAKER ACC ARCING AMPS(Brk X Acc Arc Amp A, B, and C)BASE = 2000 kA 2 × cycleBREAKER ARCING AMPS(Brk X Arc Amp A, B, and C)BASE = 1 kA 2 × cycleDCmA BASE = maximum value of the DCMA INPUT MAX setting for the two transducers configuredunder the +IN and –IN inputs.
