ABB circuit breakers for direct current applications

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ABB circuit breakers for direct current applicationsLow Voltage Products & Systems 1ABB Inc. 888-385-1221 1SXU210206G0201Index1. Introduction ........................................ ........................................ ............................2 2. Generalities on direct current ........................................ .............................3 - 4 3. applications Conversion of alternative energies into electrical energy ........................................ .5 Electric traction ........................................ ........................................ .......................7 Supply of emergency services or auxiliary services ........................................ ........8 Particular industrial applications ........................................ ......................................84 . Generation Storage batteries.

power supply source to be used if the external power sup-ply should fail. It is very important that this power supply be guaranteed since the auxiliary circuits may supply essential services such as air conditioning plants, internal and external light-ing circuits, emergency brake systems or electrical heating systems.

  Power