TSC 900 TRANSFER SWITCH CONTROLLER
PM 151 REV 5 16/04/19 Thomson Power Systems
Load Voltage Blackout Delay
stp.load.volt.black.delay
0-10 sec 0 sec
x
Load Voltage Blackout Drop Out
stp.load.volt.black.drop
0-100% 20%
x
Load Voltage Blackout Pick Up
stp.load.volt.black.pick
0-100% 30%
x
dly.shed.init
0-600 sec 180 sec
x x
dly.shed.unshed
0-60 sec 60 sec
x x
Load Shed Frequency Delay
stp.shed.freq.delay
0-30 sec 3 sec
x x
Load Shed Frequency Drop Out
stp.shed.freq.drop
50-100% 90%
x x
Load Shed Frequency Pick Up
stp.shed.freq.pick
50-100% 95%
x x
stp.shed.power.delay
0-30 sec 5 sec
x x
stp.shed.power.drop
0-200% 70%
x x
stp.shed.power.pick
0-200% 100%
x x
dly.xfr.sync
0-1800 sec 300 sec
x x
External Sync Check Wait Delay
dly.xfr.sync.ext
0-999 sec 180 sec
x x
Fail to Unload Delay (CTTS Model 4)
dly.xfr.unload
0-1200 sec 10 sec
x x
Closed Transfer Maximum Overlap Timer
dly.xfr.overlap
0-0.500 sec 0.45 sec
x
Source Frequency Diff Higher Threshold stp.sync.freq.diff.over 0% - 4% 0.83%
Source Frequency Diff Lower Threshold stp.sync.freq.diff.undr -4% - 0% -0.83%
Source Voltage Diff Higher Threshold stp.sync.volt.diff.over 0% - 10% 5.00%
Source Voltage Diff Lower Threshold stp.sync.volt.diff.undr -10% - 0% -5.00%
TS Mechanism Operation Time sys.ts.delay 0-0.500 sec 0.050 sec
In-Sync Transfer Set Points