Generac Power Systems MD500 User manual

Generator image used for illustration purposes only

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Industrial Diesel Generator Set

EPA Certified Stationary Emergency

500 kW Diesel

Standby Power Rating

625kVA 500kW 60Hz

features benefits

primary codes and standards

Generator Set

=PROTOTYPE & TORSIONALLY TESTED 4PROVIDES A PROVEN UNIT

=UL2200 TESTED 4ENSURES A QUALITY PRODUCT

=RHINOCOAT PAINT SYSTEM 4IMPROVES RESISTANCE TO ELEMENTS

=WIDE RANGE OF ENCLOSURES AND TANKS 4PROVIDES A SINGLE SOURCE SOLUTION

Engine

=EPA COMPLIANT 4MEETS EPA STANDARDS

=INDUSTRIAL TESTED, GENERAC APPROVED 4ENSURES INDUSTRIAL STANDARDS

=POWER-MATCHED OUTPUT 4ENGINEERED FOR PERFORMANCE

=INDUSTRIAL GRADE 4IMPROVES LONGEVITY AND RELIABILITY

Alternator

=TWO-THIRDS PITCH 4ELIMINATES HARMFUL 3RD HARMONIC

=LAYER WOUND ROTOR & STATOR 4IMPROVES COOLING

=CLASS H MATERIALS 4HEAT TOLERANT DESIGN

=DIGITAL 3-PHASE VOLTAGE CONTROL 4FAST AND ACCURATE RESPONSE

Controls

=ENCAPSULATED BOARD W/ SEALED HARNESS 4EASY, AFFORDABLE REPLACEMENT

=4-20mA VOLTAGE-TO-CURRENT SENSORS 4NOISE RESISTANT 24/7 MONITORING

=SURFACE-MOUNT TECHNOLOGY 4PROVIDES VIBRATION RESISTANCE

=ADVANCED DIAGNOSTICS & COMMUNICATIONS 4HARDENED RELIABILITY

MD500

PARALLELING UNIT

ENGINE SPECIFICATIONS

General Cooling System

Make Perkins Cooling System Type Closed Recovery

EPA Emissions Compliance Stationary Emergency Water Pump Centrifugal Type, Belt-Driven

EPA Emissions Reference See Emissions Data Sheet Fan Type Pusher

Cylinder # 6 Fan Speed (rpm) 1658 rpm

Type In-Line Fan Diameter mm (in.) 927 (36.5)

Displacement - L 15.2 Coolant Heater Standard Wattage 1500

Bore - mm (in.) 137 (5.39) Coolant Heater Standard Voltage 120VAC

Stroke - mm (in.) 171 (6.73)

Compression Ratio 16.0:1 Fuel System

Intake Air Method Turbocharged/Aftercooled Fuel Type Ultra Low Sulfur Diesel #2

Cylinder Head Type 4 Valve Fuel Specifications ASTM

Piston Type Aluminum Fuel Filtering (microns) Primary 10 - Secondary 2

Connecting Rod Type I-Beam Section Fuel Injection Electronic

Fuel Pump Type Engine Driven Gear

Engine Governing Injector Type MEUI

Governor Electronic Isochronous Engine Type Pre-Combustion

Frequency Regulation (Steady State) ± 0.25% Fuel Supply Line - mm (in.) 12.7 (½"NPT)

Fuel Return Line - mm (in.) 12.7 (½"NPT)

Lubrication System

Oil Pump Type Gear Engine Electrical System

Oil Filter Type Full-Flow Cartridge System Voltage 24VDC

Crankcase Capacity - L (Gal) 60 (15.8) Battery Charging Alternator 70 Amps at 24V

Battery Size (at 0ºC) 1155 CCA

Battery Group 8D

Battery Voltage (2) - 12VDC

Ground Polarity Negative

ALTERNATOR SPECIFICATIONS

Standard Model WEG Voltage Regulator Type Digital

Poles 4 Number of Sensed Phases All

Field Type Revolving Regulation Accuracy (Steady State) ± 1%

Insulation Class - Rotor H

Insulation Class - Stator H

Total Harmonic Distortion < 3%

Telephone Interference Factor (TIF) < 50

Standard Excitation Permanent Magnet

Bearings Single Sealed Cartridge

Coupling Direct, Flexible Disc

Load Capacity - Standby 100%

Prototype Short Circuit Test Yes

CODES AND STANDARDS COMPLIANCE (WHERE APPLICABLE) PARALLELING CONTROLS

NFPA 99 BS5514 Auto-Synchronization Process

NFPA 110 SAE J1349 Isochronous Load Sharing

ISO 8528-5 DIN6271 Reverse Power Protection

ISO 1708A.5 IEEE C62.41 TESTING Maximum Power Protection

ISO 3046 NEMA ICS 1 Electrically Operated, Mechanically Held Paralleling Switch

Sync Check System

Independent On-Board Paralleling

Optional Programmable Logic Full Auto Back-Up Control (PLS)

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Rating Definitions:

Standby – Applicable for a varying emergency load for the duration of a utility power outage with no overload capability. (Max. load factor = 70%)

Prime – Applicable for supplying power to a varying load in lieu of utility for an unlimited amount of running time. (Max. load factor = 80%) A 10% overload capacity is available for 1 out of

every 12 hours.

MD500 application and engineering data

500 kW Diesel

Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Generac Power Systems Industrial

Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.

POWER RATINGS (kW)

STARTING CAPABILITIES (sKVA)

FUEL

COOLING

COMBUSTION AIR REQUIREMENTS

ENGINE EXHAUST

STANDBY

Three-Phase 277/480VAC @0.8pf 500 kW Amps: 752

Three-Phase 346/600VAC @0.8pf 500 kW Amps: 601

sKVA vs. Voltage Dip

480VAC

Alternator kW 10% 15% 20% 25% 30% 35%

Standard 500 457 686 914 1143 1371 1600

Upsize 1 642 471 707 943 1179 1414 1650

Upsize 2 832 757 1136 1514 1893 2271 2650

Fuel Consumption Rates*

STANDBY

Fuel Pump Lift - m (ft) Percent Load gph lph

3.7 (12) 25% 10.5 39.7

50% 19.5 73.8

75% 23.7 89.7

100% 31.2 118.1

* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.

STANDBY

Coolant Flow per Minute gpm (lpm) 114.1 (432)

Heat Rejection to Coolant BTU/hr 1,198,080

Inlet Air cfm (m3/min) 30,582 (866)

Max. Operating Radiator Air Temp Fº (Cº) 122 (50)

Max. Operating Ambient Temperature Fº (Cº) 104 (40)

Coolant System Capacity gal (L) 13 (49)

Maximum Radiator Backpressure in H2O 0.5

STANDBY

Flow at Rated Power cfm (m3/min) 1483 (42)

STANDBY

Rated Engine Speed rpm 1800

Horsepower at Rated kW** hp 762

Piston Speed ft/min 2020

BMEP psi 366

** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD

permitting purposes.

STANDBY

Exhaust Flow (Rated Output) cfm (m3/min) 3955 (112)

Max. Backpressure (Post Silencer) inHg (Kpa) 2.01 (6.8)

Exhaust Temp (Rated Output) ºF (ºC) 1022 (550)

Exhaust Outlet Size (Open Set) 5"

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MD500 operating data (60Hz)

500 kW Diesel

GENERATOR SET

Genset Vibration Isolation Std

IBC/OSHPD Seismic Certified Opt

Extended warranty Opt

Gen-Link Communications Software Opt

Steel Enclosure Opt

Aluminum Enclosure Opt

Enclosure Lighting Kits Opt

ENGINE SYSTEM

General

Oil Drain Extension Std

Oil Heater Opt

Air cleaner Std

Fan guard Std

Radiator duct adapter Std

Stainless steel flexible exhaust connection Std

Critical Exhaust Silencer Opt

Fuel System

Secondary fuel filter Std

Flexible fuel lines Opt

Primary fuel filter Std

UL 142 Fuel Tank Opt

Cooling System

120VAC Coolant Heater Std

Closed Coolant Recovery System Std

UV/Ozone resistant hoses Std

Factory-Installed Radiator Std

Radiator Drain Extension Std

Engine Electrical System

Battery charging alternator Std

Battery cables Std

Battery heater Opt

Solenoid activated starter motor Std

10A UL float/equalize battery charger Opt

Rubber-booted engine electrical connections Std

ALTERNATOR SYSTEM

GENprotect™ Alternator Protection Algorithm Std

Main Line Circuit Breaker Std

Alternator Upsizing Opt

Anti-Condensation Heater Opt

Tropical coating Opt

Permanent Magnet Generator Std

CONTROL SYSTEM

Control Panel

Digital H Control Panel - Dual 4x20 Display na

Digital G-200 Paralleling Control Panel - Touchscreen Std

Programmable Crank Limiter Std

21-Light Remote Annunciator Opt

Remote Relay Panel (8 or 16) Opt

7-Day Programmable Exerciser Std

Special Applications Programmable PLC Std

RS-232 Std

RS-485 Std

All-Phase Sensing DVR Std

Full System Status Std

Utility Monitoring (Req. H-Transfer Switch) Std

2-Wire Start Compatible Std

Power Output (kW) Std

Power Factor Std

Reactive Power Std

All phase AC Voltage Std

All phase Currents Std

Oil Pressure Std

Coolant Temperature Std

Coolant Level Std

Oil Temperature Opt

Engine Speed Std

Battery Voltage Std

Frequency Std

Date/Time Fault History (Alarm & Event Log) Std

Low-Speed Exercise -

Isochronous Governor Control Std

-40deg C - 70deg C Operation Std

Waterproof Plug-In Connectors Std

Audible Alarms and Shutdowns Std

Not in Auto (Flashing Light) Std

Auto/Off/Manual Switch Std

E-Stop (Red Mushroom-Type) Std

Remote E-Stop (Break Glass-Type, Surface Mount) Opt

Remote E-Stop (Red Mushroom-Type, Surface Mount) Opt

Remote E-Stop (Red Mushroom-Type, Flush Mount) Opt

NFPA 110 Level I and II (Programmable) Std

Remote Communication - RS232 Std

Remote Communication - Modem Opt

Remote Communication - Ethernet Opt

10A Run Relay Opt

Alarms (Programmable Tolerances, Pre-Alarms and Shutdowns)

Low Fuel Opt

Oil Pressure (Pre-programmed Low Pressure Shutdown) Std

Coolant Temperature (Pre-programmed High Temp Shutdown) Std

Coolant Level (Pre-programmed Low Level Shutdown) Std

Oil Temperature Opt

Engine Speed (Pre-programmed Overspeed Shutdown) Std

Voltage (Pre-programmed Overvoltage Shutdown) Std

Battery Voltage Std

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MD500 standard features and options

500 kW Diesel

Tank Options

MDEQ OPT

Florida DERM/DEP OPT

Chicago Fire Code OPT

IFC Certification CALL

ULC CALL

Other Custom Options Available from your Generac Industrial Power Dealer

*All measurements are approximate and for estimation purposes only. Weights and dBA are available on install drawings and sound data sheets, respectively.

OPEN SET

RUN TIME HOURS USABLE CAPACITY (GAL)

NO TANK -

10 334

32 1001

64 2002

STANDARD ENCLOSURE

RUN TIME HOURS USABLE CAPACITY (GAL)

NO TANK -

10 334

32 1001

64 2002

LEVEL 1 SOUND ENCLOSURE

RUN TIME HOURS USABLE CAPACITY (GAL)

NO TANK -

10 334

32 1001

64 2002

LEVEL 2 SOUND ENCLOSURE

RUN TIME HOURS USABLE CAPACITY (GAL)

NO TANK -

10 334

32 1001

64 2002

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MD500 enclosure and tank configurations

YOUR FACTORY RECOGNIZED GENERAC INDUSTRIAL DEALER

Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com

Specification characteristics may change without notice. Dimensions and weights are for preliminary purposes only. Please consult a Generac Power Systems Industrial Dealer for detailed installation drawings.

500 kW Diesel

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