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How to choose a generator which is suitbale for your use?

How to choose a generator which is suitbale for your use?

Diesel generator set is a kind of power generating device with quick start, convenient operation and maintenance, low investment, and strong adaptability to the environment. With the continuous development of science and technology, diesel generator sets are widely used as emergency backup power sources for telecommunications, finance and financial departments, hospitals, schools, commerce and other departments, industrial and mining enterprises, and residences, as well as for independent special purposes such as military and field operations, vehicles and ships. power supply. But in contrast, the electricity consumption required for industrial production has also increased geometrically. Therefore, when the power consumption peak comes, there will often be power outages, and the emergence of diesel generator sets solves this problem. When consumers choose a diesel generator set, in addition to having a certain understanding of the composition of the diesel generator set, they also need to know what factors should be considered when choosing a diesel generator set.
Capacity: The load capacity and load variation range should be selected according to different purposes, and the single-unit capacity of the diesel generator set and the capacity of the standby diesel generator set should be determined. The long-term continuous operation output power of the unit can meet the maximum calculation load selection of the whole project, and the standby unit capacity of the generator unit should be determined according to the importance of load.
Speed: In order to reduce wear and increase the service life of the unit, diesel generator sets should use medium and low-speed units with a calibrated speed not greater than 1000r/min, and medium and high-speed units can be selected as standby units. Units of the same power station should be of the same model and capacity, so that the same spare parts can be used to facilitate maintenance and management. For projects with large load changes, units of the same series and different capacities can also be used.
Number of units: The number of diesel generator sets is usually set to 2 or more to ensure the continuity of power supply and adapt to changes in the power load curve. Only when the number of units is large can the number of units put into the generator set be determined according to the changes in the electrical load, so that the diesel engine is often operated under economic load to reduce fuel consumption and reduce power generation costs. The best economical operating state of the diesel engine is between 75%-90% of the rated power. In order to ensure the continuity of power supply, the common unit itself should be considered to set up a standby unit. When the unit is repaired or shut down for inspection, the generator unit can still meet the continuous supply of important power loads.
Purpose: Since diesel generator sets can be divided into three situations: common, standby and emergency, the requirements for diesel generator sets for different purposes are different.