Excessive water temperature is one of the most common failures of diesel water-cooled type. Due to the different thermal expansion coefficients of the cylinder sleeve and piston friction pair material, the high temperature will make the gap smaller, the lubrication condition will deteriorate, and the cylinder and piston ring will be stuck for a long time.
The working and control principles of the emergency generator set are similar to those of the main generator. For the alarm aspect, there are emergency generators with the same overspeed shutdown as the generators
The emergency generator shall be capable of starting in the event of cooling and shall provide the necessary power to achieve a higher design base load within 12 seconds of starting. The emergency generator set shall be capable of continuous operation where appropriate. Typical suitable conditions include temperatures from 5 degrees Celsius to 40 degrees Celsius, 100% humidity, and altitude of the installation site.
The following checks are essential before the driving machine is commissioned; - The generator load must be disconnected. - the insulation resistance must have at least the specified value.
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