Local Control Desk

 Local Control Desk is provided for monitoring pressure and thermal parameters of the running engine. Also starting, stopping and speed control of engine is possible in local control operation mode. It is located near the engine. Major Components in Local Control Desk

    1)      Pressure gauges, switches

        Lube oil filter inlet pressure

        Lube oil filter outlet pressure

        Lube oil in cylinder head inlet pressure

        Cooling water pressure

    2)      Temperature indication

        Cylinders cooling water temperature scanner

             Cylinder cooling water outlet temperature measurement system with Cu50 thermo resistor for each cylinder and scanned by a multi-channel meter.

        Engine exhaust temperatures scanner

             Pyrometric exhaust gas system with thermocouple for each cylinder and turbocharger, and scanned by a multi- channel meter.

        Lube oil engine inlet /outlet temperature

        Water engine inlet/outlet temperature

    3)      Engine RPM indicator with cranking and over speed protection.

    4)      Push buttons, indicating lamps, selector switches

    -     Common engine alarm

    -     Engine start permission

    -     Local / remote mode select

    -     Engine start / stop

    -     Flasher off

    -     Engine speed raise / low

    -     Emergency stop

    Central control panel

    A central control panel is installed in the control room, which is used for displaying signals for auxiliary equipments including oil storage level alarm, water level alarm, oil temperatures, steam pressure and others.

    4.11.4    Protection system

        4.11.4.1  Diesel engine

        The diesel engine will stop automatically in case of the following failures:

    -     Very low lube oil pressure

    -     Very high water engine outlet temperature

    -     Engine over speed

        The diesel engine will alarm automatically in case of the following failures:

    -     Low lube oil pressure

    -     Low water pressure

    -     High lube oil temperature

    -     High water temperature engine inlet

    -     Alternator bearing temperature high

        4.11.4.2   DG electricity system

        The generator adopts digital integrated relay protection system for monitoring and protection.

        A DMR362 digital integrated relay is installed on generator switchgear, which is used for alternator protection, switch control, monitoring, measuring, display and SOE record.

        The following functions are configured on the relay:

    -     Differential current

    -     Reverse power

    -     Instant trip current

    -     Voltage locked over current:

    -     Over current

    -     Over load

    -     Earth failure

    -     Over voltage

    -     Under voltage

    -     Low frequency

    -     Over frequency

        4.11.4.3   6kV electrical system

          One DMR301 digital integrated relay is installed on each 6kV outgoing panel, the following functions can be carried out on the relay:

    -     Over current

    -     Instant current trip

    -     Running record and failure store

    -     Controlling switch on site or on remote mode

5. Main equipments specifications

5.1 Diesel engine:

Main parts of GN8320ZD8 Diesel Engine

a.      ABB turbocharger

b.      WOODWARD electrical governor

c.      GEA after cooler, lube oil cooler

d.      Flexible coupling

                                                   Diesel Engine     

5.2 Alternator

5.3 Heavy fuel oil centrifuge