FAQ (Diesel Generator)
- What is a diesel generator?
A diesel generator is a machine that converts diesel fuel into electrical energy, using a diesel engine coupled with an alternator.
- What are the main components of a diesel generator?
The main components are the diesel engine, alternator, fuel system, cooling system, exhaust system, and control panel.
- What are diesel generators commonly used for?
Diesel generators are used for backup power, emergency supply during outages, and as primary power sources in remote locations without grid access.
- How do you maintain a diesel generator?
Regular maintenance includes checking and changing the oil, inspecting the air and fuel filters, checking coolant levels, testing the battery, and running the generator under load periodically.
- What are the critical systems that must be checked during diesel generator maintenance?
Critical systems include the fuel system, lubrication system, cooling system, exhaust system, battery/charging system, and the control panel electronics.
- What is the difference between a standby and a prime diesel generator?
A standby generator runs during power outages, while a prime generator is designed for continuous or regular use as the main power source.
- What are the advantages of using a diesel generator over a gasoline generator?
Diesel generators are generally more fuel-efficient, durable, have longer lifespans, and require less maintenance compared to gasoline generators.
- Can a diesel generator run continuously?
Yes, prime-rated diesel generators can run continuously, but they require scheduled maintenance to prevent wear and tear.
- What factors affect the fuel consumption of a diesel generator?
Factors include generator load, engine efficiency, generator size, operating conditions, and maintenance practices.
- Are diesel generators environmentally friendly?
Traditional diesel generators emit pollutants, but our newer models with emission control technologies and the use of cleaner fuels are making them more environmentally friendly.
- How do you perform a load test on a diesel generator?
A load test involves running the generator at a specified load (typically 80-100% of rated capacity) to verify performance, stability, fuel efficiency, and to identify hidden issues like carbon buildup or overheating.
- How do you synchronize multiple diesel generators?
Synchronization involves matching the voltage, frequency, phase angle, and phase sequence of generators before closing the breaker to parallel them. It ensures smooth load sharing and prevents system instability.
- What is "wet stacking" in diesel generators and how can it be prevented?
Wet stacking is the accumulation of unburned fuel, carbon, and moisture in the exhaust system, caused by running a diesel engine under light loads. It can be prevented by periodically running the generator under a sufficient load (load banking).
- Why is fuel polishing necessary for diesel generator fuel tanks?
Over time, diesel fuel can degrade, forming sludge, bacteria, and water contamination. Fuel polishing cleans the fuel to maintain generator reliability and prevent fuel system damage.
- How does ambient temperature affect diesel generator performance?
High ambient temperatures can reduce air density, causing decreased engine power output and alternator cooling efficiency. Derating factors are applied to account for such conditions during sizing and operation.