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PLTD Tarakan: Conversion of Engines To Dual Fuel Operation

The document discusses the conversion of two MaK 8M453 diesel engines at the PLTD Tarakan power plant in Indonesia to operate in dual fuel mode. The engines were converted to be able to use natural gas as their primary fuel, while still retaining diesel pilot fuel injection for ignition assistance and load control. After conversion, each 2650 kW engine was able to generate its full 2105 kW output while consuming only 10-18% diesel and 82-90% natural gas. This dual fuel operation significantly reduced fuel costs and emissions at the power plant.

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Kaiser Iqbal
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204 views4 pages

PLTD Tarakan: Conversion of Engines To Dual Fuel Operation

The document discusses the conversion of two MaK 8M453 diesel engines at the PLTD Tarakan power plant in Indonesia to operate in dual fuel mode. The engines were converted to be able to use natural gas as their primary fuel, while still retaining diesel pilot fuel injection for ignition assistance and load control. After conversion, each 2650 kW engine was able to generate its full 2105 kW output while consuming only 10-18% diesel and 82-90% natural gas. This dual fuel operation significantly reduced fuel costs and emissions at the power plant.

Uploaded by

Kaiser Iqbal
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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PLTD Tarakan

Conversion of Engines
to Dual Fuel Operation

Clean Energy System P.O.Box 26, 106 01 Praha 10, Czech Republic
■

Telephone : +420 272 654 556 Fax : +420 272 659 740
■

www.cesys.cz e-mail: info@cesys.cz


■
PLTD Tarakan
Conversion of Engines to Dual Fuel Operation

▼ MaK diesel engine

▲ Cable tray

▼ Generating set

▲ Gas distribution pipe


PLTD Tarakan
Conversion of Engines to Dual Fuel Operation

▼ Engine gas train

▲ Engine control box

▼ Flexible hoses

▲ Original switch board


■ Original engine governor ■ Actuator ■ Pick up

■ GEV ■ Control panel ■ Main gas train

TECHNICAL DATA
Engine: MaK 8M453 Manufacturer: Krupp MaK Maschinenbau GmbH
Serial Number: 26828, 26827 Year of Manufacture: 1985
Output to DIN 6271: 2650 kW Output at site: 2105 kW
Speed: 600 r.p.m.

Engine Output
Output Before Conversion After Conversion
Dual Fuel Operation
Nominal Output (kW) 2650 kW 2650 kW
Reduced Output at site (kW) 2105 kW 2105 kW

Ratio of Diesel / Gas Consumption at Full Load:


Consumption – Optimized Injection Nozzles Before Conversion After Conversion
Diesel Operation Dual Fuel Operation
Diesel Consumption (%) 100 % 10 % ± 5%
Gas Consumption (%) – 90 % ± 5 %
Consumption – Original Injection Nozzles Before Conversion After Conversion
Diesel Operation Dual Fuel Operation
Diesel Consumption (%) 100 % 15 ÷ 18 % ± 5%
Gas Consumption (%) – 85 ÷ 82 % ± 5%

Fuel and Gas Consumption at engine output 2105 kW:


Diesel Consumption: constant 10% = 46 kg /h at 41.5 MJ/kg
Gas Consumption: 480 Nm3/h at net calorific value 36.8 MJ/Nm3

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