{
  "$type": "site.standard.document",
  "description": "Disclosed herein is a system () for providing N bipolar AC phase voltages U, with j=1 . . . N, said system () comprising N modular energy storage direct converter systems (MESDCS) () and a control system (), wherein the first ends () of each MESDCS () are connected to a common floating connection…",
  "path": "/patents/1338443",
  "publishedAt": "2023-03-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02M7/797",
    "Universitaet der Bundeswehr Muenchen"
  ],
  "textContent": "Disclosed herein is a system () for providing N bipolar AC phase voltages U, with j=1 . . . N, said system () comprising N modular energy storage direct converter systems (MESDCS) () and a control system (), wherein the first ends () of each MESDCS () are connected to a common floating connection point (), and wherein the j-th MESDCS () is controllable to output at its second end () a star voltage Uswith respect to the floating connection point (), with j=1, . . . , N, wherein said system () is configured to provide each of said phase voltages Uvas voltage differences between two of said star voltages, such that Uv=Us−Us, or Uv=Us−Usfor each j between 1 and N−1, and Uv=Us−Us, or Uv=Us−Us, respectively, wherein said control system () is configured to control each MESDCS () to output a corresponding unipolar star voltage Usthat can be decomposed into a periodic bipolar AC function P(t) and a unipolar offset U(t) that is common to each star voltage Us, such that Us(t)=P(t)+U(t), wherein the absolute value of said common unipolar offset U(t) is at all times t sufficiently high that Us(t) is unipolar, wherein the periodic bipolar AC functions P(t) associated with different star voltages Usare phase-shifted copies of each other such that for each integers i, j chosen from [1, . . . , N] and k chosen from [1, . . . , N−1], P(t)=P(t+k·T/N), wherein T is the period of said periodic bipolar AC function P(t), wherein in particular, P(t)=P(t+(i−j)·T/N).",
  "title": "A SYSTEM AND METHOD FOR PROVIDING N BIPOLAR AC PHASE VOLTAGES"
}