DC power control system
阅读：888发布：2023-05-17
专利汇可以提供DC power control system专利检索，专利查询，专利分析的服务。并且A d.c. power control system having an inverted series combination of a reverse conduction main thyristor and a flywheel diode connected in parallel with a d.c. power source, a commutation inductance connected to an electrical shunt path for the reverse conduction thyristor or to an electrical path between the flywheel diode and the reverse conduction thyristor, and a commutation capacitor connected in parallel with an electrical path between the commutation inductance and the reverse conduction thyristor.，下面是DC power control system专利的具体信息内容。
1. A controllable d.c. power system including a reverse conduction main thyristor having a forward blocking capability in a current path from a d.c. source to a load such that it can be rendered conducting in a forward direction by a triggering signal applied thereto, a flywheel diode connected in series and oppositely poled to said reverse conduction main thyristor, a commutation inductive linear reactor connected in said current path in series with said reverse conduction main thyristor, a commutation capacitor in parallel with a series circuit comprising said reverse conduction main thyristor and said commutation inductive linear reactor, commutation control means, means connecting said commutation control means and commutation capacitor in a second series circuit configuration in parallel with the first-mentioned series circuit, whereby said commutation capacitor and said commutation inductive linear reactor oscillate to turn off said reverse conduction main thyristor under control of said commutation control means.
1. A controllable d.c. power system including a reverse conduction main thyristor having a forward blocking capability in a current path from a d.c. source to a load such that it can be rendered conducting in a forward direction by a triggering signal applied thereto, a flywheel diode connected in series and oppositely poled to said reverse conduction main thyristor, a commutation inductive linear reactor connected in said current path in series with said reverse conduction main thyristor, a commutation capacitor in parallel with a series circuit comprising said reverse conduction main thyristor and said commutation inductive linear reactor, commutation control means, means connecting said commutation control means and commutation capacitor in a second series circuit configuration in parallel with the first-mentioned series circuit, whereby said commutation capacitor and said commutation inductive linear reactor oscillate to turn off said reverse conduction main thyristor under control of said commutation control means.
2. A controllable d.c. power system according to claim 1, in which said commutation control means comprises a reverse conduction auxiliary thyristor.
3. A controllable d.c. power system according to claim 1, in which said commutation control means comprises an inverted parallel connection element comprising a reverse blocking thyristor and a diode connected in inverted parallel relationship with said reverse blocking thyristor.
4. A controllable d.c. power system according to claim 1, in which said commutation control means comprises an inverted parallel connection element comprising a pair of reverse blocking thyristors connected in inverted parallel relationship.
5. A controllable d.c. power system according to claim 1, in which said commutation control element comprises an inverted parallel connection element comprising a reverse conduction thyristor and an external diode connected in inverted parallel relationship with said reverse conduction thyristor.
6. A controllable d.c. power system including a reverse conduction main thyristor having a forward blocking capability in a current path from a d.c. source to a load such that it can be rendered conducting in a forward direction by a triggering signal applied thereto, a flywheel diode connected in series and oppositely poled to said reverse conduction main thyristor, a commutation inductive linear reactor connected between said flywheel diode and reverse conduction main thyristor in said current path in series with said reverse conduction main thyristor, a commutation capacitor in parallel with a series circuit comprising said reverse conduction main thyristor and said commutation inductive linear reactor, a commutation control element in series circuit configuration with said commutation capacitor and parallel with said series circuit, means connecting said commutation capacitor to an electrode of said reverse conduction main thyristor, means connecting said series circuit configuration between said commutation inductive linear reactor and said flywheel diode, whereby said commutation capacitor and said commutation inductive linear reactor oscillate to turn off said reverse conductive main thyristor.
7. A controllable d.c. power system according to claim 6, in which said commutation control element comprises a reverse conduction auxiliary thyristor.
8. A controllable d.c. power system according to claim 6, in which said commutation control element comprises an inverted parallel connection element comprising a reverse blocking thyristor and a Diode connected in inverted parallel relationship with said reverse blocking thyristor.
9. A controllable d.c. power system according to claim 6, in which said commutation control element comprises an inverted parallel connection element comprising a pair of reverse blocking thyristors connected in inverted, parallel relationship.
10. A controllable d.c. power system according to claim 6, in which said commutation control element comprises an inverted parallel connection element comprising a reverse conduction thyristor and an external diode connected in inverted parallel relationship with said reverse conduction thyristor.
11. A controllable d.c. power system including a reverse conduction main thyristor having a forward blocking capability in a current path from a d.c. source to a load such that it can be rendered conducting in a forward direction by a triggering signal applied thereto, a flywheel diode connected in series and oppositely poled to said reverse conduction main thyristor, a commutation inductive linear reactor connected between said reverse conduction main thyristor and said load, a first series circuit composed of said commutation inductive linear reactor and said reverse conduction main thyristor, a second series circuit comprising a commutation capacitor and a commutation control element, means connecting said first and second series circuits in an oscillatory circuit, whereby said commutation capacitor and said commutation inductive reactor in said oscillatory circuit oscillate to turn off said reverse conduction main thyristor.
12. A controllable d.c. power system according to claim 11, in which said commutation control element comprises an inverted parallel connection element comprising a reverse blocking thyristor and a diode connected in inverted parallel relationship with said reverse blocking thyristor.
13. A controllable d.c. power system according to claim 11, in which said commutation control element comprises an inverted parallel connection element comprising a pair of reverse blocking thyristors connected in inverted, parallel relationship.
14. A controllable d.c. power system according to claim 11, in which said commutation control element comprises an inverted parallel connection element comprising a reverse conduction thyristor and an external diode connected in inverted parallel relationship with said reverse conduction thyristor.
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