| 摘要 |
The filter comprises a current-compensated choke (32), wound with three-phase conductors (L1, L2, L3); and a capacitive network (33, 34, 38). The neutral conductor (PEN) is not brought in through a choke, i.e. DC and AC earthing are maintained. Choke and capacitive network are designed for damping exceeding 20 dB at the modulated carrier frequency. |
