ASYMMETRIC OVERVOLTAGE PROTECTION APPARATUS, DC CIRCUIT ARRANGEMENT AND DC NETWORK
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United States of America Patent
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Issued Date -
Jul 14, 2022
app pub date -
May 4, 2020
filing date -
May 2, 2019
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Abstract
An asymmetric surge protection device for a DC circuit (16) has a negative side (32) which can be connected to a current output (28) of the DC circuit (16), a positive side (30) which can be connected to a current input (26) of the DC circuit (16), and an asymmetric neutral section (34). The asymmetric neutral section (34) has a positive protection level (Vp) for a positive voltage (V) between the positive side (30) and the negative side (32), and a negative protection level (Vn) for a negative voltage (V) between the positive side (30) and the negative side (32), the positive protection level (Vp) being different from the negative protection level (Vn).
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