7
Backup of Substation DC Auxiliary Power Systems
7.1 Characteristics of Backup Layout with Diodes
DC auxiliary power supply systems (DCAPSs) represent an extremely important system of substations and power plants, the reliability of which enables the ability of substations and power plants to perform their functions in the energy system. This is why strict requirements are applied to these systems and the problems and solutions in this field are discussed during international scientific and practical conferences [1].
One of the options to increase the reliability of the DC auxiliary system is its backup. A solution to this problem can be the use of two groups of accumulator batteries (ABs) and battery chargers (BCs). Each of these groups ...
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