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The capacity of a diesel generating set, usually in the case of how we choose to buy

Update:2017-04-28 15:42Author:admin
Diesel generator capacity selection methods In a general civil building modern a href=http://www.huaquanpower.com/diesel generator/a for fire in fire load, usually provide backup power for critical loads. The capacity of the diesel generat
Diesel generator capacity selection methods
 
In a general civil building modern <a href="http://www.huaquanpower.com/">diesel generator</a> for fire in fire load, usually provide backup power for critical loads. The capacity of the diesel generator shall, first of all, to meet the requirements of stability computation load, including the fire load and guarantee load.
 
As fire load, usually as a fire standby power of electrical equipment, once the mains power outages, instantly interlocking open generating set. Meet the fire emergency power failure commonly, pump, passenger elevator, hotel kitchen life power, star guest room lighting load (called guarantee load) also need to back-up power supply. If design generator burden only emergency lighting fire load, such as to ensure the load can't take care of, will cause the unit vacant, waste of resources.
 
Therefore, low-voltage distribution system design, on the premise of satisfying the needs of the fire load, may consider power rather than fire, generator to ensure power supply in the load. One way of doing this is to ensure that concentrated load to the generator emergency bus section, fire disaster, confirmed by fire signal will ensure load, with the exception of passenger lift main switch shunt trip. All in all, should be fire load and guarantee load are calculated respectively. When determining generator unit capacity, should meet the requirements of fire load first, then according to the requirement of the project owner access corresponding guarantee load.
Diesel generator set size, in addition to meet the needs of the stability of the load, also must check for motor starting voltage drop, which either motor starts, the terminal voltage drop should be allowed within the prescribed scope.
 
We should pay attention to how to correctly calculate fire load. The recommended calculation principle is only considered a fire compartment fire (like fire), which is to think of two or more fire zone at the same time, the possibility of a fire is very low. Usually, must be included in the fire pump as the fixed load, and load such as fire elevator, smoke fan count how much, depends on its in a fireproof partition of fire service load size. Determine the generator capacity, should be in the most unfavorable a fire compartment fire, the fire load in running at the same time shall prevail.
 
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