Power conversion apparatus

Details Power conversion apparatus Power conversion apparatus

1999-05-05

2000-04-18

Riley, Shawn

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 50, H02M 542

Patent

active

060522976

ABSTRACT:
A power conversion apparatus includes a current component control section which outputs q axis and d axis negative-sequence components and q axis and d axis positive-sequence components based on a detected current value or a voltage value, a current component control which compares a current component with the current instruction value from an instruction value generator and outputs to an adder/subtractor the result, a converter converting a control signal output from the adder/subtractor into three-phase components, and an adder adding these three-phase components to respective phases and outputting the result to a power conversion section.

REFERENCES:
patent: 5191519 (1993-03-01), Kawakami
patent: 5504404 (1996-04-01), Tamaki et al.
Jiang et al., "Applying PWM To Control Overcurrents At Unbalanced Faults Of Force-Commutated VSCs Used As Static Var Compensators", IEEE Transactions on Power Delivery, vol. 12, No. 1, Jan. 1997, pp. 273-278.
Murakami et al., "Development Of An SVG Series For Voltage Control Over Three-Phase Unbalance Caused By Railway Load", Proceedings of the 1995 International Power Electronics Conference, Apr. 1995, pp. 603-608.

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