Unlike common diesel generator sets, emergency diesel generator sets are mainly used for emergency, fast, and short-time basic power supply protection, so the electrical load is basically a first-class load.

Precautions for the use of emergency diesel generators:

Because of the high power supply load, emergency diesel generators should not work continuously for more than 12 hours. When the main power supply returns to normal, the power supply should be switched and shut down immediately to avoid overloading of emergency diesel generators.

In the selection of emergency diesel generator sets, the following three points should be paid attention to:

    Capacity of emergency diesel generator required:

    Emergency diesel generator sets generally use 400V three-phase AC synchronous generators, and the capacity must be able to meet the total emergency power consumption, and check according to the requirements of the maximum capacity of the first load motor.

    Confirmation of the number of emergency diesel generator sets:

    Choose a combination of multiple low-power generator sets according to the use environment, post-maintenance, cost control, safety management, etc., but from the perspective of reliability, the number of emergency generator sets generally does not exceed three, and the model, capacity, and adjustment should be selected as much as possible in the selection of units. At the same time, multiple generator sets must be connected in parallel for power supply units with similar pressure, fuel, etc., to ensure that if the first set fails to start, the second set can start automatically in time.

    Matching matters of emergency diesel generator

    Emergency diesel generator sets generally use a combination of high speed and pressure, and try to choose electronic or hydraulic devices that can automatically start and adjust the speed to ensure that the power supply can be switched immediately when there is a power failure; for example, the capacity of a single generator set is relatively large under the first load. When it is large, a generator set with third harmonic excitation can be used. The machine is assembled on a common chassis with a shock absorber; a muffler should be installed at the outlet of the smoke exhaust pipe to reduce the impact of noise on the surrounding environment.

Quark Motor Friendly Reminder: When choosing a generator set, it is necessary to distinguish between common and emergency diesel generator sets. The use environment, power supply cost, maintenance requirements, etc. of the two are completely different, so be sure to purchase diesel generator sets Related consulting work should be carried out according to the emergency use environment.

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