Abstract: An information processing method and electronic device are provided. The electronic device includes a biometric feature acquisition unit and a display unit.

Abstract: An information processing method and electronic device are provided. The electronic device includes a biometric feature acquisition unit and a display unit.

Abstract: The present disclosure provides an information processing method and an electronic device. The method comprises: determining, when a first application starts, whether first authentication data obtained by the electronic device at time T1 satisfies a predetermined condition, so as to obtain a first determination result, where the time T1 is prior to the starting of the first application; presenting an application interface for the first application by using a first display strategy, if the first determination result indicates that the first authentication data obtained by the electronic device at time T1 satisfies the predetermined condition; and presenting an application interface for the first application by using a second display strategy different from the first display strategy, if the first determination result indicates that the first authentication data obtained by the electronic device at time T1 does not satisfy the predetermined condition.

Abstract: This invention disclosed is a comprehensive power quality controller for substation in the electric power system and includes a Thyristor Controlled Reactor (TCR), pure tuned passive filter Zf, additional inductor L active power filter (APF), and a coupling transformer. The Thyristor Controlled Reactor (TCR) provides inductive reactive power and controls the active power filter (APF) as the current source, it is connected with the additional inductor La in parallel via the coupling transformer, then connected to the passive filter Zf in serial to consist a hybrid power filter system, which is connected to the power grid via the circuit breaker or thyristor. The comprehensive filter system provides required capacitive reactive power and filters the harmonic produced by the load and TCR system itself. Because the capacity of the active power filter (APF) is very small which is less than 1% of the harmonic source capacity, so it is a solution with low cost but simple and reliable control mode.

Abstract: This invention disclosed is a comprehensive power quality controller for substation in the electric power system and includes a Thyristor Controlled Reactor (TCR), pure tuned passive filter Zf, additional inductor L active power filter (APF), and a coupling transformer. The Thyristor Controlled Reactor (TCR) provides inductive reactive power and controls the active power filter (APF) as the current source, it is connected with the additional inductor La in parallel via the coupling transformer, then connected to the passive filter Zf in serial to consist a hybrid power filter system, which is connected to the power grid via the circuit breaker or thyristor. The comprehensive filter system provides required capacitive reactive power and filters the harmonic produced by the load and TCR system itself. Because the capacity of the active power filter (APF) is very small which is less than 1% of the harmonic source capacity, so it is a solution with low cost but simple and reliable control mode.