Bi-directional power control system for voltage converter
Patent
·
OSTI ID:872286
- Niskayuna, NY
- Schenectady, NY
- Slingerlands, NY
A control system for a voltage converter includes: a power comparator for comparing a power signal on input terminals of the converter with a commanded power signal and producing a power comparison signal; a power regulator for transforming the power comparison signal to a commanded current signal; a current comparator for comparing the commanded current signal with a measured current signal on output terminals of the converter and producing a current comparison signal; a current regulator for transforming the current comparison signal to a pulse width modulator (PWM) duty cycle command signal; and a PWM for using the PWM duty cycle command signal to control electrical switches of the converter. The control system may further include: a command multiplier for converting a voltage signal across the output terminals of the converter to a gain signal having a value between zero (0) and unity (1), and a power multiplier for multiplying the commanded power signal by the gain signal to provide a limited commanded power signal, wherein power comparator compares the limited commanded power signal with the power signal on the input terminals.
- Research Organization:
- General Electric Company (Schenectady, NY)
- DOE Contract Number:
- FC07-96ID13406
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Number(s):
- US 5903449
- OSTI ID:
- 872286
- Country of Publication:
- United States
- Language:
- English
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bi-directional
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