Abstract: A method includes providing a current flowing through a first flying capacitor of a switched-capacitor power converter, measuring a first voltage at one terminal of the first flying capacitor at a first voltage measurement time instant, measuring a second voltage at the one terminal of the first flying capacitor at a second voltage measurement time instant, and calculating a capacitance value of the first flying capacitor based on the first voltage, the second voltage, the first voltage measurement time instant and the second voltage measurement time instant.

Abstract: A method includes providing a current flowing through a first flying capacitor of a switched-capacitor power converter, measuring a first voltage at one terminal of the first flying capacitor at a first voltage measurement time instant, measuring a second voltage at the one terminal of the first flying capacitor at a second voltage measurement time instant, and calculating a capacitance value of the first flying capacitor based on the first voltage, the second voltage, the first voltage measurement time instant and the second voltage measurement time instant.

Abstract: Disclosed are a high-strength corrosion-resistant cladding chequered steel and a manufacturing method therefor. The high-strength corrosion-resistant cladding chequered steel includes a substrate and a chequered cladding layer cladded on the substrate by single-sided or double-sided rolling. The mass percentages of the chemical elements of the substrate are: C: 0.01% to 0.20%, Si: 0.10% to 0.5%, Mn: 0.5% to 2.0%, Al: 0.02% to 0.04%, Ti: 0.005% to 0.018%, Nb: 0.005% to 0.020%, 0<B?0.0003%, N?0.006%, and the balance being steel and other inevitable impurities. The high-strength corrosion-resistant cladding steel plate has a high strength, a high corrosion resistance, a yield strength ?470 MPa, a tensile strength ?610 MPa, a shear strength ?410 MPa, and an elongation ?40%.

Abstract: Disclosed are a high-strength corrosion-resistant cladding chequered steel and a manufacturing method therefor. The high-strength corrosion-resistant cladding chequered steel includes a substrate and a chequered cladding layer cladded on the substrate by single-sided or double-sided rolling. The mass percentages of the chemical elements of the substrate are: C: 0.01% to 0.20%, Si: 0.10% to 0.5%, Mn: 0.5% to 2.0%, Al: 0.02% to 0.04%, Ti: 0.005% to 0.018%, Nb: 0.005% to 0.020%, 0<B?0.0003%, N?0.006%, and the balance being steel and other inevitable impurities. The high-strength corrosion-resistant cladding steel plate has a high strength, a high corrosion resistance, a yield strength ?470 MPa, a tensile strength ?610 MPa, a shear strength ?410 MPa, and an elongation ?40%.