Static stability is only a requirement for parallel operation of the generator, and it does not indicates the ability of the system to maintain synchronous operation in the event of a sharp disturbance. Take the short circuit in the grid as an example to illustrate this problem. When the power grid is short circuited, the power angle characteristics of each generator and its output power will suddenly change. For example, a short circuit occurs near the busbar, the bus voltage is close to zero, and the generators are completely lost in contact and influence.
Parallel connection of diesel generator sets should first meet the requirements of even power distribution. The even distribution of power includes both active power and reactive power. The so-called uniform distribution means that the active power and reactive power of each generator should be proportional to their rated power. There are clear requirements for the power distribution of parallel-operated generator sets in China
After the diesel generator set is installed, it must be thoroughly inspected before it is put into operation. Otherwise, it is easy to produce safety faults, which should be taken seriously. Therefore, in the case of the diesel generator set installed, Starlight will do a basic Commissioning work on the diesel generator set to test whether the unit is intact and normal. Let me introduce the basic Commissioning steps of the diesel generator set.
When the diesel engine is working, the water level in the radiator will gradually decrease due to the evaporation of the water. Therefore, the water level in the radiator should be checked before starting and when the starting time is long. If it is lower than the drain pipe, Replenish clean soft water. If it is hard water, it should be softened first.
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