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.
When we purchase and select diesel generator sets, they often confuse the relationship and definition between apparent power, active power, rated power, maximum power and economic power. For this reason, we have sorted out the relationship between them so that everyone can understanding.
There are many types of generators. According to the engine speed, they can be divided into high, medium and low speed generators. According to the power, they can be divided into large, medium and small capacity generators. According to the output voltage of the generator, it can be divided into AC generator set (medium frequency; 400HZ, power frequency; 50HZ) and DC generator set. When the voltage frequency is 50HZ, the calibration voltage of small and medium-sized generators is generally 400V (three-phase) or 230V (single phase), the calibration voltage of large generators is generally 6.3 to 10.5KV.
The power distribution room is also called the power distribution station. In the Chinese national standard, the definition of the power distribution station is: "There are only high-voltage power distribution devices that open and close and distribute electrical energy, and there is no main transformer on the bus." The difference between a power distribution station and a substation is that the power distribution room (distribution station) has no transformer and changes all transformers.
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