ECU A EICU A - Marine Main Engine

Engine Control Unit A and B Engine Interface Control Unit A and B

ECU B

Cylinders Control Unit 1 per cylinder

EICU B

Auxiliaries Control Unit 1, 2 and 3

Control Network

Engine Control System

(2440/PCS)

Bridge

Engine Control Room

Engine Room/On Engine

Main Operating

Panel PC

Control Room Panel

BACK-UP FOR MOP Bridge

Panel

ACU CCU

ECU A EICU A

Auxiliaries Control Unit 1, 2 and 3

Engine Interface Control Unit A and B

ECU B

Cylinders Control Unit 1 per cylinder

EICU B

Engine Control Unit A and B

Local Operation

Panel

Control Network

Engine Control System

Engine Control

Engine Control System System

Bridge

Engine Control Room

Engine Room/On Engine

Main Operating

Panel PC

Control Room Panel

BACK-UP FOR MOP Bridge Panel Local Operation Panel Control Network (2440/PCS) MPC MPC MPCMPC MPC MPC MPCMPC MPC MPC MPCMPC Multi-

Multi-Purpose ControllerPurpose Controller

LOP

(2440/PCS)

Configuration of Control

Combustion pressure sensor

Hydraulic Cylinder Unit External sensor

Indicator valve (sketch) Internal sensor with

Combustion pressure sensor

• Pretension parts

• Pressure sensor • Holder for sensor

Basic Electronic System

Basic Electronic System (BES) (BES)

2002.05.24 (2440/PCS)

The aim has been to have a general platform and The aim has been to have a general platform and

framework of validated and well-proven hardware and framework of validated and well-proven hardware and software components allowing for application

software components allowing for application oriented development.

oriented development.

The system should cater for, the development of, a The system should cater for, the development of, a number of more or less well-defined applications number of more or less well-defined applications over the coming years.

over the coming years.

Systems should be built using a minimum number of Systems should be built using a minimum number of identical BES hardware components as building

identical BES hardware components as building blocks.

Basic Electronic System

Hardware

2002.05.24 (2440/PCS)

The

The hardware hardware of the Basic Electronic of the Basic Electronic SystemSystem

currently consists of three main components

currently consists of three main components::

•

• The The Multi-Multi-Purpose ControllerPurpose Controller

•

• The Main The Main Operating PanelOperating Panel

•

• The Control The Control Network.Network.

Four secondary Basic Electronic

Four secondary Basic Electronic System hardwareSystem hardware components are also available

components are also available::

•

• Control Control Network Network converterconverter//repeaterrepeater/isolator//isolator/hubhub

•

• TachoTacho Signal Signal AmplifierAmplifier

•

• Amplifier Amplifier for ELFI for ELFI valvevalve

•

(2440/PCS)

Multi-Purpose Controller Mk 2

(2440/PCS) Multi-Purpose Controllers Multi-Purpose Controllers Mk I and Mk II Mk I and Mk II Mk Mk II II Mk Mk I I

Multi-Purpose Controller Complex Controller Input Output Net w or k A B Tach o (0)4-2 0mA +/-1 0V Pote ntio mete r PT10 0 Cont acts (0)4-2 0mA +/-1 0V X V X Other Computer Equipment Power A B Service Channel Serial Communication Power Multi-Purpose Controller (2440/PCS)

Basic Electronic System

Multi-Purpose Controller Software

(2440/PCS) Ne two rk A B X V X Other Computer Equipment Power A B Power Service Terminal Sensor-Actuator API Control Network protocole (Services) Application Functionality Serial Protocole System Clock Alarm handling Parameter handling Variabel handling Multi-Purpose Controller Variable handling protocol

Main Operating Panel

Basic Electronic System

Main Operating Panel Software

(2440/PCS)

Network

A B

Main Operating Panel

Control Network protocole (services) Alarm Handling - Alarm list - Event list - Cut-out lists Detailed alarm info Graphic Application Pictures Parameter back-up Application SW back-up Load of Complex Controllers Input / output

check and test SW configuration display protocol Multi-Purpose Controller Load of

Local Operating Panel (LOP)

7S50ME-C Engine Control Box

Cylinder pr essur e Cylinder pr essur e Fuel pump pr essur e Fuel pump pr essur e Exhaust valve ar ea Exhaust valve ar ea Scavenging por t ar ea Scavenging por t ar ea Start injection Start injection Length injection Length injection Stop

Stop injection injection

Shape of injection

Start opening exhaust valve

Closing exhaust valve

Length of open exhaust valve

Process Flexibility

Test rig

Test rig measurementsmeasurements showing four showing four possibilities of fuel possibilities of fuel injection pattern. injection pattern.

Each example shows

fuel injection pressure

at the fuel valve and

the

the corresponding fuelcorresponding fuel valve spindle lift curve

valve spindle lift curve..

1: Typical Pump Injection

2: Typical Common Rail

3: Special 3: Special 4: Special 4: Special Injection Shaping 1 3 4 2 2002.05.05 (2440/PCS)

Bar abs

Engine load %

ME MC

Fuel Injection Pressure

Fuel Injection Pressure –– ME versus MC ME versus MC

Fuel Injection Pressure

Flexibility of the ME Concept L/74336-7.0/0502 (2430/NK) ME-C MC-C 130 50 70 90 110 30 -5 -4-3 -2 -1 0 1 2 3 4 56 140 130 120 100 90 80 70 60 50 40 110 Engine load in % Change NO_x in % g/kWh ∆SFOC NO_x

Odfjell

Odfjell - - M/T M/T ””Bow CecilBow Cecil”” 37

37,,000 000 dwtdwt Chemical Carrier Chemical Carrier

2002.07.01 (2440/PCS)

Total -

Total - 2002.07.01 - 80202002.07.01 - 8020 hourshours

with electronically controlled engine

Confirmation Test aboard Bow Cecil

Main Engine: 6L60MC “6L60ME”

Confirmation Test

Standard

fuel

fuel pump pump ME

ME fuel fuel pumppump

M/T

M/T Bow Bow Cecil: Cecil: Hydraulic Hydraulic Cylinder UnitCylinder Unit

Arrangement

Arrangement of HCUof HCU’s ’s forfor the

the ELFI and ELVA System ELFI and ELVA System Arrangement of HPS

Arrangement of HPS atat the fore end

the fore end of the engineof the engine

6L60MC/ME - M/T

6L60MC/ME cam engine

6L60MC/ME cam engine 6L60MC/ME cam-less engine_{6L60MC/ME cam-less engine}

Engine Room of

Before rebuilding Before rebuilding

Turning wheel

Semicircular wheel – marking precisely half the circumference

Tacho gearwheel – 360 teeth

Tacho sensors

Tacho

After

After rebuilding rebuilding

Tacho

Engine Room of

Engine Room of M/T M/T ””Bow Bow CecilCecil””

Fuel Pump

Exhaust Valve Actuator

Accumulators

ELVA On/Off Valve ELFI Proportional Valve

Hydraulic

Hydraulic Cylinder Unit (HCU)Cylinder Unit (HCU)

Inspection o

Inspection onboardnboard Bow Cecil a

Bow Cecil after 4137fter 4137 running hours as

running hours as

ME engine

Inspection onboard

Bow Cecil after 4137

running hours as

ME engine

Exhaust Valve Actuator

Inspection on

Inspection onboardboard Bow Cecil after 4137

Bow Cecil after 4137

running hours as

ME engine

Exhaust Valve Actuator

Inspection onboard

Bow Cecil after 4137

running hours as

ME engine

Fuel Pump Plunger and

Actuator Piston

Inspection onboard

Bow Cecil after 4137

running hours as

ME engine

Fuel

Fuel Pump Pump –– Actuator Actuator PistonPiston

Inspection onboard

Bow Cecil after 4137

running hours as running hours as ME engine ME engine Pitting Distribution

Inspection onboard

Bow Cecil after 4137

running hours as

ME engine

ELFI and ELVA

Multi-Purpose Controller - ECU

2002.05.24 (2440/PCS)

Inspection onb

Inspection onboardoard Bow Cecil afte

Bow Cecil afterr41374137 running hours

running hours asas ME engine

Main Operating Panel - HMI

Interview with the daily operators - finger touch to trackball -

Main

Main Operating Panel in ECR - HMI Operating Panel in ECR - HMI

2002.05.24 (2440/PCS)

Inspection onboard

Bow Cecil after 4137

running hours as

ME engine

•

• Tacho Tacho system, mechanical: system, mechanical: More rigid suspension of theMore rigid suspension of the sensors

sensors aas well as relocation s well as relocation of of same same for better for better accesacces forfor

adjustmentsadjustments of the sensorsof the sensors introducedintroduced..

•

• TachoTacho system, software: at second failure of a system, software: at second failure of a tachotacho set, shift set, shift of

of tachotacho set was not always performed. Software bug in the set was not always performed. Software bug in the low level failure-handling algorithm found and corrected.

low level failure-handling algorithm found and corrected.

•

• A A small small number of bad electrical connections resulting innumber of bad electrical connections resulting in various alarms has occurred. At all instances the

various alarms has occurred. At all instances the redundanciesredundancies

in the system has secured the engine availability. in the system has secured the engine availability.

•

• CCU changed by the crew while engine was still running CCU changed by the crew while engine was still running..

•

• EL ELFIFI valve changed valve changed..

•

• Tacho Tacho sensor drowned by salt water. sensor drowned by salt water.

Service

Service ExperienceExperience

2002.05.05 (2440/PCS)

•

• After 4000 hours in service all moving mechanical parts in the After 4000 hours in service all moving mechanical parts in the hydraulic system showed excellent surfaces.

hydraulic system showed excellent surfaces.

•

• After 4000 hours in service two places with pitting was found on After 4000 hours in service two places with pitting was found on top of the distribution block below the fuel pump actuator piston

top of the distribution block below the fuel pump actuator piston

house. This design will be modified.

Rotating Force Compensator

RotComp

ME Compensators Concept

2002.05.24 (2440/PCS)

Linear Force Compensator

LinComp

Prototype and

Prototype and Model of Model of RotCompRotComp

Alpha Lubricator System L/74177-3.0/0402 (2200/OZS) Multi Purpose Controller Hydraulic cylinder unit Cylinder oil service tank

Lube oil pipes Electrical connections Multi Purpose Controller Hydraulic cylinder unit Cylinder liner Cylinder liner Lubr ic at or Lubr ic at or 200 bar system oil To other cylinders Solenoid valve Feedback sensor Feedback sensor Solenoid valve Feedback sensor Lubr ic at or Lubr ic at or

(2600/KNB)

1 * 7S50ME-C Odfjell 37.000 dwt Chemical Carrier Alpha Diesel 2 + 2 * 7S60ME-C Stena 316.000 dwt Crud Oil Tanker HHI

2 * 6S60ME-C Viken Aframax Tanker HSD 2 + (1) * 6S70ME-C Viken 150.000 dwt Suezmax Tanker HSD

Orders

2 + 2 * 5S80ME-C Stena Tanker HHI 6S70ME-C Stena Tanker HHI

2 * 7K98ME-C* Wulff Container HSD/Gdynia 2 * 6S50ME-C ? P.C. Hitachi

Projects

1 * 7S60ME-C* Norgas Carriers Tanker Kina/Korea 1 * 5S60ME-C* Andromeda Tanker Korea

In document Marine Main Engine (Page 48-91)