Single-phase phase locked loop suitable for use in a hybrid...

Details Single-phase phase locked loop suitable for use in a hybrid... Single-phase phase locked loop suitable for use in a hybrid...

2011-03-22

2011-03-22

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C327S156000, C180S065290

Reexamination Certificate

active

07911180

ABSTRACT:
Apparatus for charging an electric vehicle or a hybrid vehicle are provided. Particularly, apparatus for charging a hybrid vehicle from a single-phase standard (110 volt, single-phase, 60 Hz in the U.S.) are provided. In one implementation, a single-phase phase locked loop (PLL) receives a single-phase power gird voltage and delays it by one-quarter cycle to create an orthogonal imaginary second power signal. These signals are then applied to a transform matrix within a PLL to phase lock an output signal to the incoming power grid voltage.

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Zhang, R., et al. “A grid simulator with control of single-phase power converters in D-Q rotating frame,” Power Electronics Specialists Conference, IEEE 33rd Annual, 2002, pp. 1431-1436, vol. 3, No. 3.

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