Abstract: The existence of a phase-locked loop (PLL) estimated voltage amplitude-frequency-phase angle coupling phenomenon poses a significant challenge in control of grid-tied renewable energy ...
Vitamin C may help treat colds but might not prevent them. Taking 1 to 4 grams of vitamin C per day for five days may help shorten a cold. Adults should not exceed 2,000 milligrams of vitamin C per ...
Abstract: Depression is currently a prevalent mental illness and is recognized as a social problem worldwide, characterized by low mood and impaired functioning. Therefore, the accurate and early ...