#G01R19/04

POWER FAILURE DETECTION METHOD, POWER CONVERSION DEVICE, AND ENERGY STORAGE SYSTEM

This application provides a power failure detection method, including: obtaining a first fundamental wave signal of an alternating current (AC) at a first moment and a second fundamental wave signal a…

DRIVE·Jun 10·1 min read

G01R19/04 ECOFLOW INC [CN]

A METHOD FOR DETECTING POWER OSCILLATION IN AN ELECTRIC POWER GRID

A method for detecting power oscillation in an electric power grid (102), wherein the method comprises: integrating (201a) a filtered signal (134) on a first interval (136a), the filtered signal (134)…

DRIVE·Jun 10·2 min read

G01R19/04 VESTAS WIND SYS AS [DK]

PEAK DETECTOR CIRCUIT AND AN ELECTRONICS SYSTEM THAT INCLUDES THE PEAK DETECTOR CIRCUIT

A peak detector circuit includes: a single operational amplifier having a non-inverting input, an inverting input, and an output; an output capacitor; a first diode having an anode electrically couple…

DRIVE·May 8·1 min read

G01R19/04 Cypress Semiconductor Corporation

Signal analysis circuit and method

A signal analysis circuit for determining whether a supplying-end module of an induction type power supply system receives a modulation signal from a receiving-end module includes a signal receiving c…

DRIVE·Jun 10·1 min read

G01R19/04 Fu Da Tong Technology Co., Ltd.