Sices DST4600A - Page 3

User’s Manual iii
4.4.5.1 From Digital Input ................................................................................. 21
4.4.5.2 From Analogue Input ............................................................................ 21
4.4.6 Non-masked Auxiliary Block ......................................................................... 21
4.4.7 Masked Auxiliary Block................................................................................. 21
4.4.8 Generator’s Voltage Over the Maximum Threshold (“OVERVOLTAGE”) ..... 22
4.4.9 Generator’s Frequency Over the Maximum Threshold
(“OVERFREQUENCY”) ........................................................................................... 22
4.4.10 Engine Over speed ................................................................................. 22
4.4.10.1 From Digital Input ............................................................................... 22
4.4.10.2 From Frequency ................................................................................. 22
4.4.11 Overload ................................................................................................. 23
4.4.11.1 From Digital Input (“OVERLOAD”)...................................................... 23
4.4.11.2 From Current (“OVERCURRENT”) ..................................................... 23
4.4.12 Short circuit ............................................................................................. 23
4.4.13 Belt Break ............................................................................................... 24
4.4.14 Operating Speed not reached ................................................................. 24
4.4.15 “OVERCRANK” ....................................................................................... 24
4.4.16 Hardware fault ......................................................................................... 24
4.4.17 Shutdown Failure .................................................................................... 25
4.4.18 Energy Inversion ..................................................................................... 25
4.4.19 Inhibition of the generator set Use .......................................................... 25
4.4.20 Engine not in thresholds when KG closed ............................................... 25
5 Operating Sequence ................................................................................................... 26
5.1 Definitions ........................................................................................................... 26
5.1.1 Mains Voltages Status .................................................................................. 26
5.1.2 Generator’s Voltages Status ......................................................................... 27
5.1.3 Engine Status ............................................................................................... 28
5.1.3.1 Definition of Engine Running ................................................................ 28
5.1.3.2 Definition of Dead Engine ..................................................................... 28
5.1.3.3 Starting Request ................................................................................... 29
5.1.3.4 Stop Requests ...................................................................................... 29
5.2 Shutdown System ............................................................................................... 29
5.3 Sequence in “MAN” mode .................................................................................. 30
5.3.1 Entering the MANUAL mode ........................................................................ 30
5.3.2 Engine Starting ............................................................................................. 30
5.3.3 Engine Shutdown ......................................................................................... 30
5.3.4 Power Change-over ..................................................................................... 31
5.4 Sequence in “AUTO” mode ................................................................................ 31
5.4.1 Start Requests Wait ..................................................................................... 31
5.4.2 Engine Starting Attempts. ............................................................................. 31
5.4.3 Generator Waiting ........................................................................................ 32
5.4.4 Delay before supply the power ..................................................................... 32
5.4.5 Switching users on the Generator ................................................................ 32
5.4.6 No start requests wait ................................................................................... 33
5.4.7 Switching users to Mains .............................................................................. 33
5.4.8 Engine Cooling Cycle ................................................................................... 33
5.4.9 Engine Shutdown Cycle ............................................................................... 33
5.5 Sequence in “TEST” mode ................................................................................. 33
6 Power Measurement ................................................................................................... 34
6.1 Power Factor ...................................................................................................... 34