We have prepared special tips for you to keep up to date with our universe and understand everything about our Generator Sets. Learn more about Cummins Generator Set batteries and chargers.
Probably the most critical subsystem in a Generator Set is the battery system for starting the engine and controlling the Generator Set. Proper choice and maintenance of batteries and chargers are essential for the system to be reliable. When Generator Sets are in parallel, the battery banks of each Generator Set are usually set up in parallel to supply energy to control the parallelism system. The manufacturer of the parallelism system must always be consulted in order to determine whether the engine control system is right for the application, given that a drop in voltage in the battery bank could cut out some parallelism control systems and require battery use in separate stations to feed the parallelism equipment.
Batteries must be as close as possible to the Generator Set to minimize resistance within the engine-starting circuit. Their location must allow easy access for servicing, while minimizing exposure to water, dirt and oil. The battery housing must allow generous ventilation so the explosive gases generated by the batteries are dispelled. The project designer must specify the kind of battery system (usually limited to the lead-acid or nickel-cadmium types, as explained below), as well as its capacity.
Lead-acid batteries are usually chosen for Generator Sets. Their price is relatively low and they offer good service at room temperatures of between –18ºC and 38ºC. Ni-Cad (nickel-cadmium) battery systems are usual specified for locations where the room temperature can be extremely high or low, given that their performance is less affected by extreme temperatures than in the case of lead-acid batteries. Ni-Cad battery systems are considerably more expensive than lead-acid, but their useful life is much longer. One of the main disadvantages of Ni-Cad battery systems is that disposal can be difficult and expensive, given that the materials these batteries are made of are toxic. Furthermore, Ni-Cad batteries require special chargers to reach full load. These chargers must be supplied with filters to reduce “charger noise”, which can cut off engine and generator control systems.
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