Product Overview
The Cummins Stamford Silent Type Diesel Generator is a diesel generator set combining a Cummins industrial engine and a Stamford alternator, installed in a sound-attenuated enclosure. It is designed for standby or continuous operation where noise control is required.
Technical Specifications
|
Module |
Key Specification |
|
Genset |
400 kW / 500 kVA (Prime)｜440 kW / 550 kVA (Standby) |
|
Electrical |
400/230 V｜50 Hz｜1500 RPM｜3-phase, 4-wire |
|
Engine |
Cummins QSNT-G3 / KTA19-G3A｜6-cylinder inline｜19.0 L |
|
Fuel Consumption |
≈205 g/kWh (≈102 L/h @ full load) |
|
Alternator |
Stamford HCI544C / S5L1D-D4 |
|
Voltage Regulation |
±1.0% (AS440) / ±0.5% (MX321 AVR) |
|
Insulation / Protection |
Class H｜IP23 |
|
Noise Level |
≤75 dB(A) @ 7m |
|
Control System |
DSE / SmartGen (full electrical & engine protection) |
|
Canopy |
Galvanized steel with fire-retardant acoustic lining |
|
Fuel Tank |
Approx. 8 hours operation (≈850 L) |
|
Dimensions & Weight |
4600 × 1650 × 2250 mm｜≈5200 kg |
Engineering Features & Materialss
Airflow Design
The enclosure uses separated intake and exhaust paths with acoustic baffles to reduce noise transfer while maintaining cooling airflow.
Vibration Control
Engine and alternator are mounted on heavy-duty rubber isolators to reduce mechanical vibration transmitted to the base frame.
Corrosion Protection
External fasteners and hinges use corrosion-resistant materials suitable for long-term outdoor installation.
Thermal Safety Protection
High-temperature exhaust sections are wrapped with heat-resistant insulation to limit surface heat exposure.
Structural Frame
The base frame is designed with reinforced welded steel construction to support lifting and long-term stationary operation.
Applications
|
Sector |
Application |
Key Benefit |
|
Healthcare |
Emergency backup power |
Supports critical loads during outage |
|
Data Center |
IT system backup |
Reduces risk of service interruption |
|
Construction |
Site power supply |
Suitable for noise-restricted environments |
|
Mining |
Remote primary power |
Operates in off-grid conditions |
|
Telecom |
Station backup power |
Maintains communication continuity |
|
Manufacturing |
Production backup |
Reduces downtime impact |
Quality Control & Testing Protocol
Acoustic Verification: Sound-level meters confirm the enclosure keeps noise below 75 dB(A) at 7 meters.
Load Bank Testing: Every unit undergoes a 4-hour continuous load test from 25% up to 110%.
Voltage Stability Test: Automated sensors verify steady-state voltage fluctuations remain within a ±1.0% limit.
Insulation Resistance: Metrology tools verify stator winding insulation exceeds 100 megohms before factory release.
Transient Response Check: Step-load testing verifies engine frequency recovery within 1.5 seconds during transient load shifts.
Enclosure Waterproofing: High-pressure water spray testing confirms the IP23 canopy prevents internal moisture ingress.
Vibration Analysis: Electronic vibrometers confirm structural vibration displacement stays below 4.5 mm/s during operation.
Manufacturing Capabilities & Traceability
- Steel panels are cut using CNC laser equipment for dimensional consistency
- Enclosure parts are formed using CNC bending systems for assembly alignment
- Surface treatment includes multi-stage cleaning and powder coating curing
- Each Cummins engine is traceable through its factory serial number system
- Each Stamford alternator includes identification marking for verification
Compliance & Certifications
|
Certificate / Standard |
Compliance Scope |
|
ISO 8528 |
Generator performance classification |
|
CE Marking |
EU safety and EMC compliance |
|
ISO 9001:2015 |
Quality management system |
|
ISO 14001:2015 |
Environmental management system |
|
IEC 60034-1 |
Alternator performance standard |
|
IP23 |
Protection rating |
Packaging & Secure Logistics
• Protective film is applied to reduce corrosion risk during transport
• Desiccant is placed in electrical compartments to control humidity
• Foam protection is used at enclosure contact points
• Base frame is mounted on forklift-compatible skids
• Lifting points are integrated into the canopy structure
• Container tie-down positions are designed for standard shipping restraint
FAQ
Q: Can it connect to SCADA systems?
A: Yes. Standard controllers support RS485 and Modbus RTU for integration.
Q: Is it suitable for coastal environments?
A: The coating system is designed for moderate to high corrosion exposure environments.
Q: How is oil maintenance handled?
A: A base-mounted drain system is provided for routine servicing.
Q: Can it handle strong wind conditions?
A: The enclosure structure is designed for high wind load environments within standard engineering limits.
Q: How is rain prevented from entering air intake?
A: Intake design includes internal deflection paths to reduce direct water entry.
Q: Are door seals replaceable?
A: Yes. Seals are mechanically installed and can be replaced without adhesive.
Q: Does control window degrade under sunlight?
A: UV-resistant polycarbonate is used for long-term visibility stability.
Q: Are cables protected internally?
A: All DC wiring is routed through insulated protective conduits.
