Operation 4‐9
MN2408
Table 4‐17 Generator Protect Setpoints
Overload
Threshold for generator overload (in % of Nominal power)
Step: 1% of Nominal power; Range: 0 - 200%
Overload Wrn
Threshold for generator overload warning (in % of Nominal power)
Step: 1% of Nominal power; Range: 0 - 200%
Overload del
Delay for generator overload alarm. Step: 0.1s; Range: 0 - 60.0 s
Ishort
Shutdown occurs when short circuit limit Ishort limit is reached.
Step: 1 % of Nominal current; Range: 100 - 500 %
2Inom del
IDMT curve shape selection. 2Inom del is Reaction time of IDMT
protection for 200% overcurrent Igen = 2* Nominal current.
Step: 0,1 s; Range: 0,1 - 20 s
IDMT is “very inverse” generator over current protection. Reaction time is
not constant but depends on generator over current level according
following formula. Reaction time is limited up to 900 sec = 15 minutes.
IDMT protection is not active for Reaction time values longer than 15
minutes.
ReactionTime
+
2lnomdel * Nomincurrent
lgen
*
Nomincurrent
Curr unbal
Threshold for generator current asymmetry (unbalance).
Step: 1% of Nominal current; Range: 1 - 100% of Nominal current
Curr unbal del
Delay for generator current assymetry. Step: 0.1 s; Range: 0 - 60.0 s
Gen >V
Shutdown level for generator overvoltage. All three phases are checked.
Maximum out of three is used.
Step: 1% of Nominal voltage; Range: Gen >V Wrn -200%
Gen >V Wrn
Warning level for generator overvoltage. All three phases are checked.
Maximum out of three is used.
Step: 1% of Nominal voltage; Range: Gen <V Wrn - Gen >V
Gen <V Wrn
Warning level for generator under voltage. All three phases are checked.
Minimum out of three is used.
Step: 1% of Nominal voltage; Range: Gen <V - Gen >V Wrn
Gen <V
Shutdown level for generator under voltage. All three phases are checked.
Minimum out of three is used.
Step: 1% of Nominal voltage; Range: 0% - Gen <V Wrn
Gen V del
Delay for generator under voltage and over voltage alarm
Step: 0.1s; Range: 0 - 60 s
Volt unbal
Threshold for generator voltage unbalance alarm.
Step: 1% of Nominal voltage; Range: 0 - 100% of Nominal voltage
Volt unbal del
Delay for generator voltage unbalance alarm.
Step: 0.1s; Range: 0 - 60.0 s
Gen >f
Shutdown level for generator over frequency.
Step: 0.1% of Nominal frequency; Range: Gen > Wrn - 200.0%
Gen >f Wrn
Warning level for generator over frequency.
Step: 0.1% of Nominal frequency; Range: Gen <f Wrn - Gen >V
Gen <f
Shutdown level for generator under frequency.
Step: 0.1% of Nominal frequency; Range: 0.0 - Gen <f Wrn
Gen <f Wrn
Warning level for generator under frequency.
Step: 0.1% of Nominal frequency; Range: Gen <f - Gen >f Wrn
Gen f del
Delay for generator under frequency and over frequency alarm.
Step: 0.1s; Range: 0 - 60.0 s
Summary of Contents for GLC10
Page 12: ...2 2 General Information MN2408...
Page 24: ...2 14 General Information MN2408...
Page 40: ...3 16 Receiving Installation MN2408...
Page 58: ...4 18 Operation MN2408 Figure 4 15 Engine Controller Inputs Outputs...
Page 70: ...4 30 Operation MN2408 Figure 4 16 Configuration Data Sheet j j j j j j j j j...
Page 74: ...4 34 Operation MN2408...
Page 88: ...A 10 Series GLC MN2408...
Page 90: ...B 2 Series GLC MN2408 Figure B 11 Customer Interface Connection Diagram MEC20 MEC2...
Page 91: ...Series GLC B 3 MN2408 Figure B 12 Customer Interface w o Breaker Power Connection Diagram...
Page 92: ...B 4 Series GLC MN2408 Figure B 13 Single Phase w o Breaker Connection Diagram...
Page 93: ...Series GLC B 5 MN2408 Figure B 14 Single Phase One Breaker Connection Diagram...
Page 94: ...B 6 Series GLC MN2408 Figure B 15 Single Phase Two Breaker Connection Diagram...
Page 99: ...Series GLC B 11 MN2408 Figure B 20 Three Phase Connection Diagram...
Page 100: ...B 12 Series GLC MN2408 Figure B 21 Three Phase Connection Diagram with PMG...
Page 101: ...Series GLC B 13 MN2408 Figure B 22 Three Phase Connection Diagram Wire 1 0 and larger...
Page 106: ...B 18 Series GLC MN2408 Figure B 27 Control Box Connections with MEC20 Controller...
Page 107: ...Series GLC B 19 MN2408 Figure B 28 Control Box Connections with MEC20 Controller Governor...
Page 108: ...B 20 Series GLC MN2408 Figure B 29 Control Box Connections with MEC2 Controller...
Page 109: ...Series GLC B 21 MN2408 Figure B 30 Engine Wiring Woodward 4 3L GM...
Page 110: ...B 22 Series GLC MN2408 Figure B 31 Engine Wiring Woodward 5 7L GM...
Page 111: ...Series GLC B 23 MN2408 Figure B 32 Engine Wiring Woodward 8 1L GM...
Page 112: ...B 24 Series GLC MN2408...
Page 113: ...Baldor District Offices...