Patent ID: 9705416
Date: 2017-07-11
CPC Classifications: H02J,H02M,Y02B

Claim:
1. A converter arrangement, comprising: a) at least two single LLC converters, b) a pulse generator per single LLC converter, wherein each pulse generator is configured to supply switching pulses to one single LLC converter, c) an output controller configured to use a switching frequency control and/or a phase-shift control to control the pulse generators, d) a source converter, particularly a PFC boost converter, per LLC converter, e) wherein each source converter is connected to an input of exactly one LLC converter to supply a supply voltage to the LLC converter, and f) wherein each source converter is configured to be fed by a common voltage source, and g) wherein the converter arrangement is configured to balance input powers of the source converters, and h) wherein the converter arrangement comprises a current regulator per source converter for balancing input currents of the source converters by comparing the input currents to a common reference current and matching the input currents to the common reference current.