The 50kW Open-Frame Diesel Generator Set is a three-phase diesel generator system consisting of a Weichai diesel engine, brushless alternator, steel base frame and control panel. It uses a closed water-cooling system and can be configured for prime or standby power applications.
Key Specifications
|
Item |
Specification |
|
Generator Type |
Open-Frame Diesel Generator Set |
|
Rated Power |
50 kW |
|
Output |
AC Three Phase |
|
Fuel |
Diesel |
|
Cooling System |
Closed Water Cooling |
|
Engine |
Weichai |
|
Alternator |
Brushless |
|
Frequency |
50Hz / 60Hz |
|
Voltage |
220V, 230V, 380V, 400V, 415V, 440V or specified |
|
Power Rating |
Prime / Standby |
|
Starting System |
Electric Start / Automatic Start |
|
Controller |
SmartGen / DSE / ComAp or specified |
|
Fuel Tank |
Standard / Extended Runtime |
|
Enclosure |
Open Frame / Silent Canopy / Containerized |
|
Base Frame |
Standard Skid / Heavy-Duty Base |
Final engine, alternator, voltage, frequency, controller and fuel-tank configuration should be confirmed according to the project requirements.
Available Configurations
Engine Options
Weichai is the standard configuration. Cummins, Perkins, Deutz, Yuchai, Ricardo and other engine brands can be supplied for selected power and project requirements.
Alternator Options
Brushless alternators from Stamford, Leroy Somer, Marathon, Mecc Alte and other specified manufacturers are available.
Controller Options
SmartGen, Deep Sea (DSE), ComAp and other controllers can be configured for manual, automatic start, AMF and remote monitoring functions, subject to the selected controller.
Fuel Tank
Standard and extended-runtime fuel tanks can be supplied according to the required operating hours and installation conditions.
50kW Power Matching & Operating Economy
Prime or Standby Power
The 50kW set can be configured for prime or standby duty. Select the appropriate rating according to operating hours, load profile and backup requirements.
Power and Current Matching
At 0.8 power factor, 50kW corresponds to 62.5 kVA. At 400V, 50Hz and 0.8 power factor, the rated current is approximately 90A.
Motor Starting Loads
Pumps, air compressors and other motors can draw significantly higher current during startup. Motor size and starting method should be checked before confirming the generator capacity.
Load Reserve
A 10–20% capacity margin can be used for preliminary sizing where variable loads, motor starting or future load expansion is expected.
Open-Frame Design & Service Access
Steel Base Frame
The engine and alternator are mounted on a steel base frame. Standard skid, heavy-duty base, forklift slots and lifting hooks are available according to the configuration.
Service Access
The open-frame layout provides direct access to the engine, alternator, filters, battery and routine service points for inspection and maintenance.
Airflow & Ventilation
The open layout allows airflow around the radiator and engine area. Generator-room ventilation should provide sufficient fresh-air intake and hot-air discharge.
Installation Clearance
Adequate space should be provided around the set for maintenance, electrical connections, exhaust routing and cooling-air circulation.
Electrical & Installation Configuration
Voltage & Frequency
Available for 220V, 230V, 380V, 400V, 415V and 440V configurations, with 50Hz or 60Hz operation according to the selected configuration.
ATS & Automatic Start
Automatic-start and ATS configurations are available for applications requiring automatic load transfer after utility power failure.
Output & Grounding Connections
Electrical output and grounding connection points are provided for connection to the site distribution system. Terminal configuration can be specified with the generator package.
AVR
The brushless alternator can be equipped with AVR for automatic voltage regulation as the electrical load changes.
Applications & Load Requirements
Industrial & Manufacturing
Suitable for production equipment, CNC machinery, workshop equipment and auxiliary loads during utility power interruptions.
Construction & Infrastructure
Suitable for air compressors, welding machines, concrete mixers, tower cranes and site tools.
Agriculture & Irrigation
Suitable for irrigation pumps, grain dryers and agricultural processing equipment. Fuel-tank capacity should match the expected operating hours.
Commercial & Rental Applications
Suitable for offices, retail facilities, warehouses and temporary power projects. Voltage and frequency should be selected according to the site electrical system.
Quality Control
Engine, alternator, controller and major electrical components are checked against the approved configuration before assembly.
Mounting, coupling, wiring, fuel lines, cooling connections and fasteners are inspected during assembly.
Output voltage, frequency, phase sequence, insulation resistance, AVR response and controller functions are checked before dispatch.
The completed generator set is started and operated under controlled load conditions to verify voltage, frequency, protection functions and overall operating performance.
FAQ
Q: How much reserve capacity should be allowed for a 50kW generator?
A: A 10–20% reserve is generally recommended. Motor starting current, voltage, frequency and prime or standby duty should also be considered.
Q: What information is needed for a 50kW generator quotation?
A: Please provide required power, voltage, frequency, phase, prime or standby duty, engine and alternator preference, fuel-tank requirement, controller or ATS requirements and destination.
Q: What spare parts are available?
A: Common parts include oil filters, fuel filters, air filters, belts, water pumps, AVR units, sensors and starters.
Q: How often should routine maintenance be performed?
A: Engine oil and filters are typically serviced every 250 operating hours or 6 months, subject to operating conditions and engine manufacturer requirements.
Q: Can the fuel tank be configured for longer runtime?
A: Yes. Standard and extended-runtime fuel tank configurations are available according to the required operating time.
Q: What warranty is provided?
A: The standard warranty is 12 months after commissioning or 1,000 operating hours, whichever comes first, for manufacturing defects under normal operating conditions.
