GE CB Watch 3, Руководство по эксплуатации

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MA-037 - CB Watch 3 Operating Manual v7.0 - May 2020 Page 5 of 118
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