H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 15/00 (2006.01) H02H 9/04 (2006.01)
Patent
CA 2510207
A circuit arrangement for limitation of over-voltages in the case of energy storage modules (10) composed of energy storage elements (SC) comprises a series circuit (12) of n energy storage elements (SC n). The series circuit (12) is connected between a first potential (V1) and a second potential (V2) and voltage-limiting elements (VLE) are associated with the n energy storage elements (SC n). In order to give an over- voltage protection for modules of energy storage units which can be realised in simple and economic manner and ensures a reliable protection against damage of energy storage elements in the case of over-voltages, particularly as a consequence of losses of capacitance, it is proposed that M is the maximum number of directly interconnected energy storage elements (SC) of a predetermined combination, wherein for M <= 2 a voltage-limiting element (VLE) is connected in parallel with each combination and a respective voltage-limiting element (VLE) is connected in parallel with a first energy storage element (SC1) connected to the first potential (V1) and with an nth energy storage element (SC n) connected to the second potential (V1) and wherein for M > 2 a respective voltage-limiting element (VLE) is connected in parallel with each sub- combination of at least two directly interconnected energy storage elements (SC) of the combination having an energy storage element (SC) connected to the first potential (V1) or to the second potential (V2).
Ag Inventio
Riches Mckenzie & Herbert Llp
LandOfFree
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