The Cummins Data Center Generator Set is engineered to meet Uptime Institute tier requirements for mission-critical facilities. Built around heavy-duty industrial diesel engines and synchronous brushless alternators, this system delivers rapid load acceptance, stable voltage regulation, and continuous or standby power under high-demand operating conditions. Designed for seamless integration with Automatic Transfer Switches (ATS) and paralleling switchgear, it ensures zero downtime during grid interruptions.
Key Features
Rapid Load Acceptance: Meets NFPA 110 Type 10 requirements, accepting 100% of rated block load in a single step following a grid failure.
Transient Frequency & Voltage Recovery: Digital control systems maintain voltage fluctuation within ± 0.5% and recover frequency within 3 seconds under sudden load changes.
Continuous Heavy-Duty Operation: Rated for unlimited operating hours per year under variable load conditions for emergency standby applications.
Integrated Digital Control: Microprocessor-based control panel monitors engine parameters, alternator output, paralleling status, and fault diagnostics via Modbus/SNMP protocols.
Modular Acoustic Enclosures: Weather-resistant and sound-attenuated steel housings achieve noise levels down to 75 dB(A) at 7 meters under full load.
Technical Specifications
|
Parameter |
Specification Range / Standard |
|
Prime Power Rating |
1000 kW – 3000 kW (1250 kVA – 3750 kVA) |
|
Standby Power Rating |
1100 kW – 3300 kW (1375 kVA – 4125 kVA) |
|
Rated Voltage |
400V / 480V (Low Voltage) up to 13.8kV (Medium Voltage) |
|
Frequency |
50 Hz / 60 Hz (Selectable / Configurable) |
|
Engine Speed |
1500 RPM (50 Hz) / 1800 RPM (60 Hz) |
|
Emissions Compliance |
EPA Tier 2 / Tier 4 Final / Non-Certified Export Options |
|
Fuel Consumption (100% Load) |
210 g/kWh – 235 g/kWh (Dependent on model displacement) |
|
Control Interface |
Cummins PowerCommand 3.3 / 8.x Controller |
|
Ambient Operating Temp |
-20°C to 50°C (Standard); up to 55°C (Tropicalized) |
Applications
Hyperscale & Colocation Data Centers
Primary backup power source for server halls, cooling infrastructure, and facility management systems.
Edge Data Centers
Compact backup units deployed in modular or containerized setups near urban telecom nodes.
Telecom Switching & Core Facilities
Continuous power stabilization for fiber-optic hubs and mobile network switching centers.
Compatible Equipment & Engine Models
Engine Platforms: Powered by Cummins QSK50, QSK60, QSK95, and KTA50 heavy-duty diesel engines.
Alternator Compatibility: Stamford / AvK brushless, permanent magnet generator (PMG) excited alternators providing superior short-circuit capability.
Auxiliary Equipment: Compatible with Cummins paralleling switchgear, remote radiator cooling packages, dual-wall sub-base fuel tanks (8-hour to 24-hour capacity), and motorized louvers.
Available Options & Customization
Enclosure Types: ISO standard containerized modules, sound-attenuated walk-in enclosures, or open-skid configurations for internal plant rooms.
Starting Systems: Dual redundant 24V electric starting motors, jacket water heaters (40°C maintaining), and battery chargers.
Exhaust Aftertreatment: Selective Catalytic Reduction (SCR) and Diesel Particulate Filters (DPF) for strict urban emissions compliance.
Control Integration: Remote monitoring gateways supporting SCADA, BACnet, and Modbus TCP/IP protocols.
Quality Control & Manufacturing
Precision Machining: Engine blocks and cylinder heads machined on CNC boring centers maintaining tolerances within ± 0.01 mm.
Load Bank Testing: Every assembled generator set undergoes a 2-hour full-load factory acceptance test (FAT) at 0.8 power factor, recording voltage, frequency, transient response, and exhaust temperature.
Winding Inspection: Alternator stator windings undergo vacuum pressure impregnation (VPI) with high-dielectric epoxy resin, followed by surge comparison and high-pot testing.
Certifications: Manufactured in ISO 9001 (Quality Management) and ISO 14001 (Environmental Management) certified facilities; units comply with UL 2200, CSA, CE, and ISO 8528 standards.
Packaging & Shipping
Packaging Method: Open-skid units wrapped in heavy-duty anti-corrosion VCI film and secured to reinforced steel transport skids. Containerized units shipped as standard ISO high-cube containers.
Component Protection: Exhaust openings, air intake filters, and electrical control cabinets sealed with moisture-barrier desiccant packs.
Logistics Support: Secured via heavy-haul flatrack shipping or breakbulk cargo; export documentation includes Certificate of Origin, Material Test Reports (MTR), and Factory Load Test Certificates.
Frequently Asked Questions
Q: Do these generator sets meet Uptime Institute Tier III and Tier IV concurrent maintainability requirements?
A: Yes. When integrated with dual-redundant paralleling switchgear and redundant fuel supply lines, these generator sets support continuous operation during scheduled maintenance intervals, satisfying Uptime Institute topology standards.
Q: What is the standard response time for black start and load pickup?
A: Units configured with PowerCommand digital controls achieve complete engine start, voltage stabilization, and 100% block load pickup within 10 seconds of grid failure, fully complying with NFPA 110 Type 10.
Q: Can these generators operate in high ambient temperatures (above 45°C)?
A: Yes. Standard units operate up to 50°C without derating. For installations in extreme environments, tropicalized cooling packages and high-ambient radiator options are available upon request.
Q: What maintenance intervals are recommended for continuous data center standby duty?
A: Standard maintenance intervals are every 250 operating hours or 12 months (whichever occurs first) for oil and filter changes, with comprehensive major overhauls scheduled according to load profiles and running hours.
Q: Are medium-voltage options available for direct distribution to data center substations?
A: Yes. Alternators can be wound and configured for medium-voltage outputs ranging from 4.16 kV to 13.8 kV, eliminating the need for step-up transformers in medium-voltage distribution architectures.
Q: What factory test documentation is provided with each shipment?
A: Every unit ships with a certified Factory Acceptance Test (FAT) report detailing load test curves, vibration analysis, governor response, and electrical insulation resistance test results.
Request a Quote (RFQ)
To receive a technical proposal and commercial quotation for your data center project, please provide the following parameters:
1.Required Prime or Standby Power Output (kW / kVA)
2.Operating Voltage and Frequency (e.g., 480V/60Hz or 13.8kV/50Hz)
3.Environmental Constraints (Ambient temperature, altitude, sound attenuation limits)
4.Delivery Destination and Target Commissioning Timeline
Submit RFQ / Contact Engineering Team
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