Electricity: power supply or regulation systems – Including a transformer or an inductor – Polyphase or plural transformers
Patent
1998-03-30
1999-12-28
Nguyen, Matthew
Electricity: power supply or regulation systems
Including a transformer or an inductor
Polyphase or plural transformers
H01F 3012
Patent
active
060086335
ABSTRACT:
A high-power grid-compatible converter-controlled, voltage-injecting phase-shifting transformer, includes a converter, an energizer transformer connected the converter, and a booster transformer which has at least one phase connected to the converter. The converter has an excitation-side power converter with at least one phase intercoupled by a DC intermediate circuit to an output-side power converter with at least one phase. Each of the excitation-side power converter and the output-side power converter have turnoff power semiconductors. Each phase of the excitation-side power converter has n double cascades electrically connected in series. Each of the double cascades have a capacitive energy store with a terminal and two switching devices which include the turnoff power semiconductors connected electrically in parallel with the capacitive energy store. Each phase of the output-side power converter has n four-quadrant controllers with AC voltage terminals and DC voltage terminals. The booster transformer has n two-winding transformers per phase, a secondary side and a primary side. The n two-winding transformers are connected electrically in series on the secondary side and coupled in each case on the primary side to the AC voltage terminals of the four-quadrant controllers. The DC voltage terminals of each of the four-quadrant controllers are connected to the terminal of the capacitive energy store of a corresponding one of the double cascades.
REFERENCES:
patent: 4663702 (1987-05-01), Tanaka
patent: 4870557 (1989-09-01), Stacey
patent: 5010277 (1991-04-01), Courier De Mere
patent: 5587892 (1996-12-01), Barrett
patent: 5673189 (1997-09-01), Schettler
"Development of a large static VAR generator using self-commutated inverters for improving power system stability" (Mori et al.), IEEE Transactions on Power Systems, vol. 8, No. 1, Feb. 1993, pp. 371-377.
"Requirements on the control of a three-level four quadrant power converter in a traction application" (Bachle et al.), Proceedings of the European Conference on Power Electronics and Applications, vol. 2, Oct. 1989, pp. 577-582;
"A comparison of different circuit configurations for an advanced VAR compensator (ASVC)" (Wuest et al.), 23.sup.rd Annual IEEE Power Electronics Specialists Conference Toledo, Spain , vol. 1, 1992, pp. 521-529.
"Advanced static compensation using a multilevel GTO thyristor" (Menzies et al.), IEEE Transactions on Power Delivery, vol. 10, No. 2, Apr. 1995, pp. 732-738.
"The unified power flow controller: a new approach to power transmission control" (Guygyi et al.), IEEE Transactions on Power Delivery, vol. 10, No. 2, Apr. 1995, pp. 1085-1097.
"Static voltage system converter Muldenstein" (Fieber), EB Elektrische Bahnen, vol. 93, No. 1, Jan. 1995, pp. 43-48.
German Gebrauchsmuster Application No. G 94 16 048.1 (Schettler), filed Oct. 6, 1994, device for increasing the amount of power of the base oscillation of a self-guided inverter.
Greenberg Laurence A.
Lerner Herbert L.
Nguyen Matthew
Siemens Aktiengesellschaft
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