Cummins Model DSHAA 150kW Standby Diesel Generator

The Cummins 150 kW Standby (135 kW Prime) Diesel Generator, Model DSHAA is a high-performance generator designed to provide reliable and efficient power in both prime and standby applications. It's equipped with a durable Cummins diesel engine and is suitable for a variety of industries where backup or continuous power is needed. Below is a detailed overview of the generator's key features and specifications:

1. General Overview:

• Brand: Cummins
• Model: DSHAA
• Rated Power Output (Standby): 150 kW (187.5 kVA) at 1.0 power factor
• Rated Power Output (Prime): 135 kW (168.8 kVA) at 1.0 power factor
• Fuel Type: Diesel
• Application: Standby and prime power (depending on usage)
• Cooling: Water-cooled, integrated cooling system

2. Engine and Power Characteristics:

• Engine Manufacturer: Cummins
• Engine Model: Cummins QSB7 or equivalent (varies by configuration)
• Engine Type: 4-stroke, turbocharged, aftercooled diesel engine
• Engine Configuration: Inline 6-cylinder
• Rated Power Output (Standby): 150 kW (187.5 kVA) for emergency or backup applications
• Rated Power Output (Prime): 135 kW (168.8 kVA) for continuous power supply under normal operating conditions
• Fuel Consumption (approx.):
  • Full Load (Standby): Around 39-43 liters per hour (L/h) at full load
  • Full Load (Prime): Slightly lower consumption during prime power operation.
• Fuel Tank Capacity: Typically, the generator can be paired with a base tank or external fuel tank, ensuring several hours of operation at full load.
• Engine Speed: 1800 RPM for stable 60 Hz power generation
• Voltage Regulation: Equipped with an automatic voltage regulator (AVR) to maintain stable voltage output.

3. Voltage and Frequency:

• Voltage Options:
  • Typically available in 120/208V, 277/480V, 240/416V, or custom voltages, with options for both single-phase and three-phase configurations.
• Frequency: 60 Hz (standard for North American applications)
• Phases: 3-phase, with 1-phase options available in some configurations

4. Control System:

• Control Panel: Comes with a Cummins PowerCommand digital controller (model PC3 or similar) for monitoring and controlling the generator's performance. Features include:
  • Display for vital statistics such as voltage, amperage, frequency, and engine diagnostics
  • Auto-start and stop capabilities
  • Remote monitoring options (with additional module)
  • Programmable alarms and notifications
  • Engine hours tracking and load management
• Automatic Transfer Switch (ATS): Typically paired with an ATS for automatic start-up and shutdown, ensuring seamless transition between utility power and generator power.

5. Dimensions and Weight:

• Dimensions (Approx.):
  • Length: 96-120 inches (varies with configuration and enclosure type)
  • Width: 40-48 inches
  • Height: 60-72 inches
• Weight: Typically around 4,500 to 5,500 lbs (varies with options such as soundproof enclosures or larger fuel tanks)

6. Cooling and Exhaust:

• Cooling System: The generator is equipped with an integrated water-cooled system (radiator, fan, and coolant pump) to ensure optimal engine operating temperatures, even under full load conditions.
• Exhaust System: Features a standard exhaust system with a muffler to help reduce noise and comply with environmental noise regulations. Additional soundproofing options are available.
• Exhaust Emissions: Designed to meet Tier 2 or Tier 3 emissions standards depending on configuration, reducing environmental impact.

7. Fuel System:

• Fuel Type: Diesel
• Fuel Tank Options: Base fuel tanks are included, but larger, custom external fuel tanks may be added for extended run times. The generator's fuel consumption depends on load but is designed to be efficient in both standby and prime power modes.
• Fuel Efficiency: The engine is designed to operate efficiently, particularly during standby mode, reducing operational costs and minimizing fuel consumption.

8. Maintenance and Service:

• Routine Maintenance:
  • Oil changes, air filter replacements, and fuel filter replacements are required regularly (typically every 250-500 hours).
  • Diesel engines have longer lifespans and service intervals compared to smaller gasoline engines, with major service intervals typically ranging from 2,000-5,000 hours.
• Serviceability: Cummins’ extensive service network ensures parts availability and expert service for maintenance and repairs.

9. Emissions and Regulatory Compliance:

• EPA Emissions Standards: Meets EPA Tier 2 or Tier 3 emissions regulations (depending on the model and installation year).
• Noise Reduction: Includes noise suppression systems, and optional soundproof enclosures are available to meet local noise ordinances for use in residential or urban areas.

10. Optional Features and Configurations:

• Enclosures: Available with weatherproof, soundproof, or all-weather enclosures for outdoor use or quieter operation.
• Fuel Tank Options: Can be configured with additional or larger fuel tanks to increase the generator’s runtime without refueling.
• Remote Monitoring: Optional telematics systems such as Cummins Connect for remote monitoring, diagnostics, and performance tracking.
• Custom Voltage and Frequency: Options for customized voltage configurations and frequency to meet specific project needs.

11. Applications:

• Commercial Buildings: Provides standby or prime power for businesses, offices, and retail spaces.
• Data Centers: Backup power for critical IT infrastructure, ensuring minimal downtime during power interruptions.
• Healthcare Facilities: Essential for hospitals, clinics, and medical centers that require uninterrupted power for life-saving equipment.
• Industrial Facilities: Powers manufacturing plants, warehouses, and production lines.
• Construction Sites: Powers construction tools, equipment, and site lighting.
• Telecommunications: Provides emergency backup power for telecom towers and data communication centers.
• Agriculture: Powers irrigation systems, greenhouses, and farming operations, especially in remote areas where grid power is unreliable.
• Government and Military: Used in emergency response centers, military facilities, and critical government infrastructure.

12. Key Advantages:

• Reliability: Known for its durability and consistent performance, Cummins diesel generators are engineered to provide long-lasting service in demanding environments.
• Fuel Efficiency: The generator is designed to maximize fuel efficiency while providing the necessary power for various applications.
• Low Emissions: Meets modern emissions standards, making it an environmentally friendly option compared to older generators.
• Versatility: The model can function both as a backup (standby) generator or as a primary power source (prime) for extended periods.
• Service Network: Cummins' global service network provides easy access to parts and technicians for routine maintenance and repairs.

Conclusion:

The Cummins 150 kW Standby (135 kW Prime) Diesel Generator, Model DSHAA is a reliable, efficient, and versatile generator suited for a wide range of commercial, industrial, and residential applications. Its powerful diesel engine, coupled with its flexibility for both standby and prime power, makes it an ideal choice for businesses and facilities that need dependable power in any situation. With a robust design, fuel efficiency, and low emissions, the Cummins DSHAA provides both operational and environmental benefits.