GE CSE Uniserve CB Watch 3 Operating Manual page 5

Figure 46 - Example of historical chart - reaction and operating time .................................................. 33
Figure 47 - Entry of travel distances ........................................................................................................ 34
Figure 48 - Operation graphs for opening ............................................................................................... 35
Figure 49 - Operation graph for closing .................................................................................................. 35
Figure 50 - Monitoring the auxiliary contacts ......................................................................................... 36
Figure 51 - Alarms from monitoring the auxiliary contacts .................................................................... 36
Figure 52 - Monitoring the overtravel ..................................................................................................... 37
Figure 53 - Overtravel display ................................................................................................................. 37
Figure 54 - Setting the overtravel threshold ........................................................................................... 37
Figure 55 - Overtravel alarm ................................................................................................................... 38
Figure 56 - Timing compensation data entry .......................................................................................... 39
Figure 57 - Two examples of operating time temperature compensation values .................................. 40
Figure 58 - Example of closing operating time changes with voltage changes ....................................... 40
Figure 59 - Thermodynamic law applied to SF6 gas ................................................................................ 44
Figure 60 - Equivalent density lines and liquefaction curve ................................................................... 45
Figure 61 - Gas sensor information ......................................................................................................... 45
Figure 62 - Gas sensor alarms ................................................................................................................. 46
Figure 63 - Not enough gas values to display data ................................................................................. 46
Figure 64 - Gas measurements ............................................................................................................... 47
Figure 65 - Gas thresholds min/max ....................................................................................................... 48
Figure 66 - Gas pressure thresholds ........................................................................................................ 49
Figure 67 - Gas pressure alarms .............................................................................................................. 49
Figure 68 - Gas liquefaction pressure...................................................................................................... 49
Figure 69 - Gas liquefaction risk alarm .................................................................................................... 50
Figure 70 - Gas moisture level ................................................................................................................. 50
Figure 71 - Moisture alarm threshold ..................................................................................................... 50
Figure 72 - Excessive moisture alarm ...................................................................................................... 51
Figure 73 - Linear gas pressure extrapolation ......................................................................................... 51
Figure 74 - Forecasted gas pressure values ............................................................................................ 52
Figure 75 - Time horizons setup .............................................................................................................. 52
Figure 76 - Extrapolated gas pressure alarms ......................................................................................... 53
Figure 77 - Gas leak rates ........................................................................................................................ 53
Figure 78 - Typical CB nameplate with gas info ...................................................................................... 54
Figure 79 - Nominal gas values entry ...................................................................................................... 54
Figure 80 - Gas % leak rate thresholds .................................................................................................... 55
Figure 81 - Gas % leak rate alarms .......................................................................................................... 55
Figure 82 - gas graph selection ................................................................................................................ 55
Figure 83 - Short-term gas graphs - gas density ..................................................................................... 56
Figure 84 - Long-term gas graphs - gas pressure .................................................................................... 56
Figure 85 - Name plate data .................................................................................................................... 57
Figure 86 - Example name plate .............................................................................................................. 59
Figure 87 - Example settings ................................................................................................................... 60
Figure 88 - Setting primary current measurement ................................................................................. 61
Figure 89 - Stored interrupted current curve .......................................................................................... 62
Figure 90 - Current before and during interruption ................................................................................ 62
Figure 91 - Interrupted current value ..................................................................................................... 62
Figure 92 - Separation offset input ......................................................................................................... 63
Figure 93 - Opening operation timing diagram ....................................................................................... 63
MA-037 - CB Watch 3 Operating Manual v7.0 - May 2020 Page 5 of 118