3512A Generator Set

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Cat Generator Set Package

Cat generator set packages have been fully prototype tested, and certified torsional vibration analysis reports are available. The packages are designed to accept 100% load in one step, meet the NFPA 110 requirement for loading, and conform to the ISO 8528-5 steady state and transient response requirements

Cat Diesel Engine

The four cycle Cat diesel engine combines consistent performance with excellent fuel economy and transient response that meets or exceeds ISO 8528-5. The engines have been designed and built for a wide range of applications and can be optimized for low fuel consumption or low emissions. The engines feature a reliable, rugged, and durable design that has been field proven in thousands of applications worldwide from emergency standby installations to continuously operating power plants.

Generators

The generators used on Cat packages have been designed and tested to work with the Cat engine. The generators are built with robust Class H insulation and provide industry leading motor starting capability. Random wound generators provide good generator performance in a majority of applications and form wound is available for harsh mechanical and electrical environments.

Cat EMCP Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

Cooling System

The cooling system has been designed to operate in standard ambient temperatures up to 50°C (122°F), with optional high ambient radiators available. The factory installed cooling system has been designed and tested to ensure proper generator set cooling, and includes the radiator, fan, belts, and all guarding installed as standard. Contact your Cat Dealer for specific ambient and altitude capabilities.

World Wide Product Support

Cat Dealers provide extensive post sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.

Generator Set Specifications
Height - Maximum 2336 mm (92 in)
Length - Maximum 5269 mm (207.5 in)
Width - Maximum 2015 mm (79.3 in)
Minimum Rating 1000 kVA
Maximum Rating 1400 kVA
Voltage 400 to 415 Volts
Frequency 50 Hz
Speed 1500 RPM
Generator Set Configurations
Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions
Engine Specifications
Engine Model 3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Compression Ratio 13.5:1
Aspiration TA
Governor Type Woodward
Fuel System Direct Unit Injection
Bore 170 mm (6.69 in)
Displacement 51.8 l (3161.03 inu00b3)
Stroke 190 mm (7.48 in)
Air Inlet Single element canister style with service indicator
Exhaust Flange Size 203.2 mm (8.0 in)
Generator Set Specifications
Duty Cycle Continuous, Prime, Standby, Mission Critical

Standard Equipment

  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Control Panel
    • EMCP4.2 controls including:
    • Emergency stop pushbutton
    • 24 Volt DC operation
    • Environmental sealed front face
    • Text alarm / event descriptions
    • Generator mounted – rear facing
    • Controls:
    • Speed adjust
    • Auto / start / stop control
    • Engine cool-down timer
    • Engine cycle crank
    • Alarm acknowledge
    • Lamp test
    • True RMS AC metering, 3 phase, +/-2% accuracy
    • Digital indication for:
    • RPM
    • DC volts
    • Operating hours
    • Oil pressure (psi, kPa or bar)
    • Co olant temperature
    • Volts (L-L & L-N)
    • Frequency (Hz)
    • Amps (per phase & average)
    • Power Factor (per phase & average)
    • kW (per phase, average & percent)
    • kVA (per phase, average & percent)
    • kVAr (per phase, average & percent)
    • kW-hr (total)
    • kVAr-hr (total)
    • Warning / shutdown with common LED indication of shutdowns for:
    • Low oil pressure
    • High coolant temperature
    • Overspeed
    • Emergency stop
    • Failure to start (overcrank)
    • Low coolant temperature
    • Low coolant level
    • Programmable protective relaying functions:
    • Generator phase sequence
    • Over / under voltage (27 / 59)
    • Over / under frequency (81 o/u)
    • Reverse Power (kW) (32)
    • Reverse Reactive Power (kVAr) (32RV)
    • Overcurrent (50 / 51)
    • Communication:
    • Customer data link (Modbus RTU)
    • Accessory module data link
    • Serial annunciator module data link
    • 6 programmable digital inputs
    • 4 programmable relay outputs (Form A)
    • 2 programmable relay outputs (Form C)
    • 2 programmable digital outputs
  • Cooling System
    • JWAC
    • Radiator fan and fan drive
    • Fan and belt guards
    • Coolant drain line with valve
    • Coolant level sensors. (Not included with packages without radiator)
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
  • Exhaust
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Secondary fuel filters
    • Fuel cooler; not included with packages without radiator
    • Flexible fuel lines – shipped loose
    • Fuel priming pump
  • Generators and Attachments
    • 3 Phase brushless, salient pole
    • 6 Lead
    • Generator set packages include: Regulator (CDVR)
    • Caterpillar’s Digital Voltage Regulator (CDVR) includes:
    • Reactive droop capability
    • 3 Phase voltage sensing
    • KVAR / PF modes
    • RFI suppression
    • Min / max exciter limiter
    • Exciter diode monitor
    • LV:
    • Random wound
    • Internal Excitation
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient (125C prime/150C standby)
    • Winding temperature detectors
    • Busbar connections, top center mounted, top cable entry
    • 50 Hz models: IEC standard hole pattern
    • Note: 1800 frames are form wound, permanent magnet, with winding temp detectors
  • Governing System
    • Woodward 2301A isochronous governor
  • Lube System
    • Lubricating oil
    • Gear type lube oil pump
    • Integral lube oil cooler
    • Oil filter, filler and dipstick
    • Oil drain lines and valve
    • Fumes disposal
  • Mounting System
    • Rails – engine / generator / radiator mounting
    • Rubber anti-vibration mounts (shipped loose)
  • Starting / Charging System
    • 24-volt electric starting motor
    • Battery and battery rack w/cables
    • Battery disconnect switch
  • General
    • Paint – Caterpillar Yellow with high gloss black rails & radiator
    • RH Service
    • Flywheel and Flywheel housing-SAE No. 00
    • SAE Standard Rotation

Optional Equipment

  • Air Inlet System
    • Dual Element air cleaners
    • Remote air inlet adaptors
    • Air Inlet protection
  • Circuit Breakers
    • Optional busbar power connections
    • Breaker harnesses
    • Center posts busbars
    • Cable entry options
    • Controls packaging – Enclosures
    • EMAX circuit breakers
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated circuit breakers
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated circuit breakers
    • Busbar connections
    • EMAX breakers connections
  • Control Panels
    • EMCP 4.3, EMCP 4.4
    • Customer connection mounting locations
    • Annunciator modules
    • Governors
    • Mounting group – External box clips
    • Auxiliary boxes
    • Customer interface options
    • Generator temperature monitoring
    • Remote speed adjust
    • Vandle proof panel door
    • Local PC monitoring
    • Ground (Automatically selected)
  • Cooling System
    • Optional radiator arrangements
    • Water level switch gauges
    • Heat exchangers
  • European Certifications
    • European Union Certification
    • EU declaration of conformity
    • Eurasian conformity (EAC) mark
    • European directive genset, DoI (Declaration of Incorporation)
  • Exhaust System
    • Mufflers
    • Muffler mounting kits
    • Flexible fittings
    • Through-wall installation kit
  • Fuel System
    • Primary fuel filter
  • Generators and Attachments
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, internal excitation, No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, permanent magnet, No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, form wound, permanent magnet, No. of leads = 6, pitch= 0.6667
    • Generator conversion
    • Space heater
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Oil level Reg-1 shallow pan
    • Electric prelube pumps
    • Manual prelube sump pumps
  • Mounting System
    • Spring-type vibration isolator
    • IBC vibration isolators
  • Protection System
    • Explosion relief valve
  • Special Tests / Reports
    • Neutral grounding connection
    • Neutral ground-LV
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.80 power factor
    • IBC seismic certifications
  • Starting / Charging Systems
    • 10 Amp battery chargers
    • 20 Amp battery charger
    • Oversize battery set
    • 24 Volt dual electric starting motor
    • Ether starting aid
    • Jacket water heaters
  • General
    • Engine barring group

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