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CM25E

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Overview

Producing reliable power from 1940 to 2910 kWe, each generator set has been designed to meet World bank (WB) emission certification stage 2. The CM25E 50 and 60 Hz, 6, 8 or 9 cylinder, turbocharged-aftercooled generator set, is designed for Ultrafast start time and load acceptance, low fuel and oil consumption requiring low maintenance.

Generator Set Specifications

  • Minimum Rating 1940 kWe 1940 kWe
  • Maximum Rating 2910 kWe 2910 kWe
  • Emissions/Fuel Strategy (WB) Cert stage 1 and 2 (WB) Cert stage 1 and 2
  • Voltage 3000 to 13800 Volts 3000 to 13800 Volts
  • Frequency At Speed 50 Hz @ 750 / 60 Hz @ 720 50 Hz @ 750 / 60 Hz @ 720
  • Duty Cycle Prime, Continuous Prime, Continuous
  • Ready To Accept Loads (Preheated/Vented) 40 s 40 s
  • Normal Ramp Up To 100% Load 85 s 85 s
  • Emergency Ramp Up 10% To 100% Load 30 s 30 s
  • Genset Efficiency Up To 43.50% 43.50%

Engine Specifications

  • Engine Model CM25, 4-stroke-engine CM25, 4-stroke-engine
  • Bore 10.04 in 255.0 mm
  • Stroke 15.75 in 400.0 mm
  • Aspiration Turbocharged-aftercooled Turbocharged-aftercooled
  • Engine Rating Range 2010 - 3015 kW 2010 - 3015 kW
  • Configuration 6,8,9 cylinder 6,8,9 cylinder
  • Fuel Type Diesel oil / heavy fuel oil (HFO) / crude oil Diesel oil / heavy fuel oil (HFO) / crude oil
  • Swept Volume 1247.0 in³ 20.4 l/cyl
  • Mean Effective Pressure Up To 396.0 psi 27.3 bar
  • Specific Fuel Oil Consumption (WB I) Up To 0.412 Ib/kWh 187.0 g/kWh
  • Specific Fuel Oil Consumption (WB II) Up To 0.412 Ib/kWh 187.0 g/kWh
  • Specific Lube Oil Consumption 0.001 Ib/kWh 0.6 g/kWh

Generator Set Dimensions

  • Length - Minimum 304.0 in 7717.0 mm
  • Length - Maximum 343.0 in 8713.0 mm
  • Width - Minimum 93.0 in 2357.0 mm
  • Width - Maximum 93.0 in 2357.0 mm
  • Height - Minimum 152.0 in 3866.0 mm
  • Height - Maximum 160.0 in 4066.0 mm
  • Dry Weight - Genset (minimum) 94799.0 lb 43.0 ton (US)
  • Dry Weight - Genset (maximum) 123459.0 lb 56.0 ton (US)

Reliable Operation

  • Intensive cooling of key components including exhaust valve seats, injector cooling integrated into lube oil system
  • Reliable, proven and high efficient single turbo charging system
  • Classification society standards ensure high safety and quality
  • Intelligent simplicity ensures a robust engine platform
  • Optimized service schedules enable high availability and long durability

Control & Monitoring

  • Ultrafast start time and load acceptance
  • No engine start limitations
  • Continuous power (base and peak load), prime power, stand-by
  • Part load with high efficiency
  • Monitoring for unattended operation
  • Asset intelligence system

Ease Of Installation

  • Reduced complexity of standard modular design allows an easy installation
  • Low space requirements between the gensets
  • Genset is ready for installation
  • Generator set designed for direct elastic mounting

Ease Of Operation

  • Low fuel and oil consumption
  • Low maintenance requirements
  • Operator and maintenance training courses available

Intelligent Simplicity

  • High reliability, modular design and integral construction reduce the number of components by 40% over conventional designs e.g.:
    - Dry engine block with integrated ducts for lubricating oil and charge air and underslung crankshaft
    - Compact cylinder head design
  • Smart maintenance solutions:
    - Easily removable cylinder heads, quick removable fluid connections
    - Split connecting rods to allow fast and easy piston removal without disturbing the big end bearing
    - Segmental camshaft design
    - Simplified parts spectrum by using single-pipe exhaust gas
    - Engine block free from cooling water
  • State-of-art material ensures long life time

Ease Of Maintenance

  • Smart maintenance solutions allow an easy component accessibility
  • Large inspection openings afford an easy serviceability to core engine internals
  • Core engine components designed for reconditioning and reuse
  • Short maintenance times enable high availability
  • No engine removal necessary for maintenance and overhauls

Fuel

  • Liquid: Light fuel oil (LFO), crude oil and heavy fuel oil (HFO) with fuel quality up to 700 cSt/50°C according to CIMAC H55/K55
  • Dual:
    - Light fuel oil (LFO), crude oil and heavy fuel oil (HFO) with fuel quality up to 700 cSt/50°C according to CIMAC H55/K55
    - Natural gas with methane number > 80 and lower heating value of 28MJ/Nm3
  • Gaseous: Natural gas with methane number > 80 and lower heating value of 31.5 MJ/Nm3

Emissions

  • World bank emission certification (Stage 2)
  • Technische Anleitung (TA) Luft (only gas)
  • Post-emission treatment systems for lower emission requirements available

Expertise & Experience

  • Assistance for planning - delivery - commissioning - operation and service)
  • Expertise and experience for solutions to maximize benefits, e.g. combine heat and power systems (CHP)

CM25E Standard Equipment

Fuel System

  • Engine ventilation module (only dual fuel (DF) and gas)
  • Ignition fuel oil module (only dual fuel (DF))
  • Separator module
  • Pre-pressure module
  • Circulation module
  • Gas valve unit (GVU) (only dual fuel (DF) and gas)

Lubricating Oil System

  • Combined module: cooling water system and lube oil system
  • Lube oil separator module
  • Piping interface module

Cooling Water System

  • Piping interface module
  • Combined module: see lube oil system
  • Cooling water system with radiators

Starting System

  • Starting air receiver module
  • Starting air compressor module

Combustion Air System

  • Air filter - oil bath
  • Air filter - pocket
  • Air filter - pulse

Exhaust System

  • Oxidation catalytic (Oxicat) converter system
  • Selective catalytic reduction (SCR) system
  • Exhaust gas ventilation module (only dual fuel (DF) and gas)
  • Exhaust gas silencer

Control & Monitoring System

  • Gas leak detection per cylinder (only dual fuel (DF) and gas)
  • Motor control center module (MCC)
  • Local control panel (LCP)
  • Engine monitoring package
  • Local data panel (LDP) / generator control panel (GCP)

Mounting System

  • Elastic mounting - genset/engine

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