Standard Generating set Features

Engine Specifi cations

Alternator Specifi cations

Compliance Standards

Engine - GE12V250, EFI diesel engine, heavy duty, 1000rpm / 900rpm.Alternator - Double bearing, Class F insulation, Different voltage range is available.Air fi lter - Fully enclosed, heavy duty, capable of withstanding eight-hour sand storm.Cooling system - Tropical remote radiator, heavy duty, 50°C with no derating.

Air Starting SystemBase Frame - Heavy duty steel base frame, with Spring type anti-vibration mounts.Exhaust - Residential type muffl er, fl exible stainless steel bellows, Noise Attenuation 25dBa, Exhaust Temperature Monitoring and ProtectionAutomatic Control Panel - Control, moni-toring, protection, synchronizing.

Enclosures - Sound & weather proof, ventilation, Air fi ltration.Switchgear - Metalclad withdrawable 3.3/6.6/11KV, 630A, vacuum or SF6 (for single units only).Compliance Standards - ISO9001 / ISO3046 / ISO8528

GE 12V250

V-Type Direct Injection12-cylinder Diesel EngineIdle Speed 440 rpmRated Speed 50 Hz: 1000 rpmRated Speed 60 Hz: 900 rpm

Brushless double bearing, revolving fi eld6-poles for 50Hz, 8-poles for 60HzWinding Pitch: ca.5/6Cooling: IC01-Open Circuit Ventilation Enclosure: IP23Heavy Duty BearingClass F Insulation (Stator and Rotor)

The generating set complies with ISO 3046, ISO 8528.

Bearing Temperature Detectors (2xPT100 per phase) monitoring and protectionTeminal Box for connectionAlternator Sand FilterAlternator meets IEC 60034Voltage: 3.3, 6.6, 6.9, 11, 13.8 KV50 Hz/60 Hz

Elastic Coupling used for a perfect alignment between Engine/Alternator4 Terminals Star point connected in terminal boxSpace heater, single phaseStator Temperature Detectors(2xPT100 per phase) monitoring and protection

EFI controller: (Governor)

Engine Control Unit (ECU)Engine Inputs OutputsSmart Display Unit (SDIS)

Construction

4 Valves per Cylinder Forged Steel

Type

4 Stroke, Electronic Fuel Injection

Diesel Powered Generating Set

MBH4750DMwww.mbh.de

50Hz/1000 rpm

60Hz/900 rpm

Standby Rating (ESP)4747 kVA3798 kWe4274 kVA3419 kWe

Prime Rating (PRP) Continuous Rating (Cont)4016 kVA3213 kwe3616 kVA2893 kwe

3653 kVA2922 kwe3289 kVA2631 kwe

Intake Air System

Light Duty Intake Air FilterDuct for distribution air inletMechanical Gauge for Air Differential Pressure with Alarming Contact

Auxiliaries’ Transformer

Designed and rated based on the Gen-set auxiliaries:- Dry type or Oil type- Equipped with Buchholz Relay- Temperature Monitor Control Panel for alarm and trip - Connection: Yno-yn

Exhaust System

Residential Silencer Reserve Flow TypeStainless Steel Bellow

Auxiliaries

Electrical System

Air Starting System

Base Mounted Air Compressors (qty=2 optional)Vertical Air Tank Receiver of 500Lt capacity (1000 Liters Optional)Mechanical gauge for starting air pressure indicator with alarming contact.Pressure gauge indicator installed on the air tank receiver.Air motor starter solenoid (24VDC)Compressors Control Panel (Compressors Redundancy)Pressure Switches:- Low Pressure Alarm- Start 1st Compressor- Start 1st Compressor- High Pressure Alarm

Voltage Regulation

The voltage Regulator provides ±0.25% regulationThree protection functions: fi eld overvoltage, and loss of sensingProgrammable stability settings to optimize transient performance

Fuel System Specifi cation

Fuel Water SeparatorManual and/or automatic fuel pumpMoatti duplex Selk Cleaning fuel oil fi lterMechanical Gauge for Fuel oil pressure with alarming contact

Oil System

Self cleaning Lube Oil FilterLube Oil/HT water preheating systemPre-lube oil pumpCentrifugal-Self Cleaning Oil Filter with alarming contact to control panelMechanical Gauge for Engine Lube Oil Inlet Temperature with alarming contactMechanical Gauge Lube Oil pressure with alarming contact

Water System

LT/HT table radiator with electrical cooling fans.Engine driven water pumpDrain 7 Cooling fans (7x11Kw Power Consumption)Thermostatic ValvesHT Water Pre-Heating System Mechanical Gauge for Water Pressure Inlet with alarming contactMechanical Gauge for Water Temperature with alarming contactExpansion Tank

Frequency Regulation

Isochronous under varying loads from no load to 100% full load

Random Frequency Variation

Will not exceed ±0.25 of its mean value for constant load

MBH4750DM

LV Distribution Panel-Motor Control Center

To supply and sense all the generating auxiliaries such as: Radiator Fans, Engine Air Inlet Fans, Air Compressors, Pre-lube Pump, DC Charger, Louvers, Lighting, Air Conditioning, Power Sockets, Alternator Space Heater, Switchgear Power Supply.Auxiliaries Auto/off/manual selectorFault/run LEDSpare circuit for future useForm 3, arc resistantType testedSupply Available LEDs (R,S,T)Fixed Type, total coordination

Start-up Generator

In case of a mains power supply, the BOGE can be started either manually by the operator or automatically following a mains failure to supply the Gen-set auxiliaries:- Pre-heater- Pre-lube- Air CompressorsThe BOGE is rated accordingly.

Medium Voltage Switchgear

Rated Voltage: 11KV or 6.6KV (for other voltages please refer to company)IP 4XGE Circuit Breaker3 PolesGenerator Management and protection relay-SR 489 or equivalentOutgoing with fuse protection for Genset auxiliaries transformer

Control System

DC Panel

2x100AH Batteries with a suitable battery charger (24VDC/20A) sized to suit all DC components: - Generator Control Panel - Auxiliaries; transformer control panel - Fire Alarm Panel - MCC PanelNote: In case of 110VDC additional set of batteries with suitable battery charger are available

Genset Controller (AGC)

Operation Mode- Automatic Mains Failure- Island Operation- Fixed Power/Base load- Peak Shaving- Load Take Over- Mains Power Export

Protection (ANSI) - Over Current- Reversed Power- Oil Pressure- Cooling Water- Fuel Level

Engine Control- Start/Stop/Pre-lube sequence- Generator breaker Closing/Opening/ Synchronizing sequence.- Run and Stop Coil.- Relay output for Governor Control- Relay output for AVR Control- Different Operation Mode- Modbus (TCP/IP) Communication Port- Profi bus (DP) Communication Port

M-Logic (Micro PLC)- Simple Logic Confi guration Tool- Selectable Input Events- Selectable Output Commands

Genset Local Display (PROFACE)

Controlling and Monitoring of the System via Touch ScreenTouch Buttons for Generator Set Operation Modes and Start/Stop SequenceTouch Buttons for Generator Breaker Open/Close OperationsAlarm List DisplayData Monitoring Window and TrendingConnection to AGC Display Port using Ethernet

EFI Controller: (ECU,EIO,SDIS)

- Variable Fuel Injection Timing- Finer Control of Fuel Volume- Higher Injection Pressure- Reduced Maintenance of Mechanical Components

Human Machine Interface Lube Oil Pump Control System Fuel Control SystemHigh Fuel Level WarningLow Fuel Level WarningLow Fuel Level Shutdown

MBH4750DM

Set Output VoltageContinuous Rating (kWe)Continuous Rating (KVA)Prime Rating (kWe)Prime Rating (KVA)Standby Rating (kWe)Standby Rating (KVA)Engine MakeEngine ModelCylindersEngine BuildStandard Governor/ClassAspiration and CoolingBore and StrokeCompression RatioCubic CapacityStartingMininmum Ambient Temp.

Direction of Rotation Gross Engine Output (Prime)Gross Engine Input (Standby) Alternator Voltage Regulation Set Output Frequency Speed Alternator Insulation ClassFuel consumption (Prime)Recommended FuelLube Oil ConsumptionLubrication System Oil CapacityCoolant Capacity Exhaust Temperature @ rated loadExhaust Gas pressure (max) Exhaust Gas Flow Air Flow – RadiatorFan Temperature (IN/OUT)Air Intake-Engine (Prime)

50 Hz 60 Hz 50 Hz 60 Hz3.3, 6.6, 6.9, 11, 13.8

2922

3653

3213

4016

3798

4747

GE

12 V250

12

V-Type

EFI-Electronic

Turbocharged-intercooled

250mmx320mm

16.8 : 1

188.5 Liters

Air Starter

50ºC

3.3, 6.6, 6.9, 11, 13.8

2631

3289

2893

3616

3419

4274

GE

12 V250

12

V-Type

EFI-Electronic

250mmx320mm

16.8 : 1

188.5 Liters

Air Starter

50ºC

CCW

3330 KW

3936 KW

±0.25 %

50 Hz

1000 RPM

Class F

661.4 Liters/h

#2 Diesel

2.2 Liters/h

1041 Liters

1386 liters

427 °C

18.6 mmHg

759 m3/m

98 kg/s

50/70ºC

50ºC

CCW

2998 KWm

3543 KWm

±1.0 %

60 Hz

900 RPM

Class F

TBD

#2 Diesel

TBD

1041 Liters

1401 Liters

427°C

18.6 mmHg

683 m3/m

98 kg/s

50/70ºC

50ºC

TECHNICAL DATA

Generating Set Options

Fire Alarm SystemManual Synchronizing Feature

Remote Monitoring Station (Up to 4 GenSets) Extended Air Tank Receiver Capacity (1000 Liters)

Black Start and/or Emergency Application Features:- Black Start Control System (Auto Black Start and Manual Black Start)- Mimic panel

Medium Voltage Switchgear

3 poleGE breakerGenerator management relay

Generator Control Panel

Gen-set controlMonitor and protection system

Electrical Room

Containerized, Weather proofSteel base with suitable openingsBase lifting points

Auxiliarie’s Transformer

Dry or oil typeTemperature minitor for protection

Air Compressors

Base mounted air compressor (Qty=2 optional)

Engine Room Ventilation

Fans (Qty=8)

Air Tank Receiver

Qty=2 optional

MBH4750DM

MBH4750DMContainer

Weather and sound proof

MCC Panel

Form 3 arc resistantType testedFixed type total coordination

Engine 12V250

V-TypeDirect injection12 cylinderEFI controller4 strokeElectronic injection

Alternator

6 poles for 50 Hz8 poles for 60 HzBrushlessDouble bearingClass F insulation

Muffl er

Residential typeReactive chambers5cm shell heat insulationVertical 30” exhaust with rain capHeat resistant paint

MBH47

Mechanical Rack

Oil system Fuel system Cooling system Intake air system

Radiator

LT/HT table radiator7 cooling fansExpansion tankHT pre-heating system

MBH4750DM

Dimensions and Weight-OPEN SET

Dimensions and Weight-RADIATOR

Model MBH4750DM

Radiator

Model MBH4750DM

Open

Length(mm) 9000

Length(mm) 9500

Width(mm) 2400

Width(mm) 1900

Height (mm) 800

Height (mm) 4300

Set Weight (kg) 3050

Set Weight (kg)

52800

MBH4750DM

Dimensions and Weight-ENCLOSED SET

Dimensions and Weight-MECHANICAL AND ELECTRICAL ROOM

Model MBH4750DM

Enclosed

Model MBH4750DMElectrical Room

Radiator

Length(mm) 11500

Length(mm) 6000

1300

Width(mm) 3500

Width(mm) 42000

2400

Height (mm) 3750

Height (mm) 3200

4320

Enclosed Weight (kg)

66200

Enclosed Weight (kg) 9750

4900

DS-MBH4750DM-01-A

Maschinenbau Halberstadt GmbH, Rudolf-Diesel-Strasse 50, 38820 Halberstadt, GermanyT. +49 3941 320, F. +49 3941 24036sales@mbh.de - www.MBH.de

Specifi cations may change without notice. Check with your distributor for more information.