Trans-Asia Power Generation Corp.Diesel Power Plants

Power Plant Operation SystemMajor Components

ENGINE

FUEL SYSTEM

AIR SYSTEM

LUBRICATION SYSTEM

COOLING WATER SYSTEM

EXHAUST GAS SYSTEM

STEAM SYSTEM

ELECTRICAL SYSTEM

A diesel power plant requires the following component and systems to operate.

Power Plant ComponentsEngine Main Components

CylinderExhaust

Turbo Charger

Air intake

Cylinder Head

Generator

Exciter

Fuel pipesLube oil pipes

Cooling system pipes

ENGINEThis is the major component of the power plant that develops electricity. TAPGC uses four stroke engines.

Fuel SystemPower Plant Operation System

FUEL SYSTEMThis system includes the storage tanks, purifiers, filters, pumps, heaters and connecting pipes, and the internal injection. This system is paramount for the transfer of fuel to the engine.

Pumps

Filters

Auto backwash filter

Fuel SystemPower Plant Operation System

6

Fuel System – HFO Flow diagram

Oil Trap/Separator

7

SFO Flow DiagramDelivery Truck SFO Storage Tank

SFO Ring Pump

Fuel Oil ModuleAuto-Backflush FilterDiesel Engine

Excess Diesel

Fuel System – SFO Flow diagramPower Plant Operation System

SFO Auto Backwash Filter

Fuel System – SFO FiltersPower Plant Operation System

FO Module

Fuel Module is where the fuel (either SFO or ADO) is shifted whichever is necessary for the

mode of engine operation.

Power Plant ComponentsAir System - Starting & Control Air Flow

AIR SYSTEMThis system supplies the required quantity of air for engine starting.

Power Plant ComponentsSteam System

STEAM SYSTEMSteam system is necessary for the heat needed for the fuel system to reduce the viscosity of fuel as required. Also required for the purifiers of fuels and lubes.

Steam system has two sources:- Exhaust Gas recovery boiler - Oil fired steam Generator

- Used whenever the plant is on standby

Exhaust Gas Recovery Boiler

Oil Fired Steam Generator

Power Plant ComponentsSteam System

Fuel Oil Module

Condenser tank

Exhaust Gas From The Engine

Condensed Water Tank

Steam Drum

Pump

Header

Vent

LUBRICATION SYSTEMThis system maintains the efficiency of the engine. Main functions are: lubrication of moving parts to reduce friction, removing heat from pistons and bearings, carry away solid particles to maintain the cleanliness of engine parts.

Power Plant ComponentsLubrication System

LO Final FilterLO Auto Backwash Filter

LO Purifier

13

Hot water

Cold water

SumpTank

Vent

Pump

Lube Oil Rebatch Tank Sludge Tank

EngineIntercooler

Power Plant ComponentsLubrication System

Radiator

Fuel valve

Fuel valve Cooler

Collecting Tank

Cylinder Jacket

Power Plant ComponentsCooling Water System – Fuel Valve

COOLING WATER SYSTEMThe purpose of this system is to regulate the temperature of the cylinders, and charge air to avoid overheating. TAPGC uses the radiator for its cooling system.

Power Plant ComponentsCooling Water System – Raw and fresh water system

15Condenser Tank

Raw Water Tank

Fuel Valve Cooler

To Engine Jacket

Drain

Drain

Condenser Tank

Expansion Tank

Expansion Tank

Power Plant ComponentsCooling Water System – Jacket and Charge Air

Power Plant ComponentsElectrical System

ELECTRICAL SYSTEMThrough this system, electricity is synchronized to the grid for dispatch. This also include the whole electrification system in the power plant.

Black Start- Used for

emergency start up of the power

plant

Substation-Transformer- Circuit Breaker

ControlRoom

Switch Board