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It is frequently used in practice. For a three-phase SMPS, the Vienna rectifier configuration may be used to substantially improve the power factor. SMPSs with passive PFC can achieve power factor of about 0.7–0.75, SMPSs with active PFC, up to 0.99 power factor, while a SMPS without any power factor correction have a power factor of only ...
APFC may refer to: Active/automatic power factor correction/control (panel), used to control the power factor of electrical loads; Alaska Permanent Fund Corporation; Albert Park Football Club, a present-day amateur Australian rules football club; Albert Park Football Club (VFA), a former Australian rules football club from the 1860s and 1870s
Accelerated life testing is the process of testing a product by subjecting it to conditions (stress, strain, temperatures, voltage, vibration rate, pressure etc.) in excess of its normal service parameters in an effort to uncover faults and potential modes of failure in a short amount of time.
In electrical engineering, a dielectric withstand test (also pressure test, high potential test, hipot test, or insulation test) is an electrical safety test performed on a component or product to determine the effectiveness of its insulation. The test may be between mutually insulated sections of a part, or energized parts and ground.
The test often reveals problems that occurred during assembly, such as defective components, improper component placement, and insulator defects that may cause inadvertent shorting or grounding to chassis, in turn, compromising electrical circuit quality and product safety.
In materials science, the Charpy impact test, also known as the Charpy V-notch test, is a standardized high strain rate test which determines the amount of energy absorbed by a material during fracture. Absorbed energy is a measure of the material's notch toughness. It is widely used in industry, since it is easy to prepare and conduct and ...
This year’s adorable list of competitors in the 2025 Puppy Bowl includes Chow Chow and Chihuahua mix Lin-Manuel Furanda, a three-legged Doberman Pinscher named Maxx, a Lab puppy called Meatball ...
Under the FACA, the High Energy Physics Advisory Panel meets in public, and subpanels are appointed to meet and deliberate in private. In high-energy physics, peer review groups of scientists, knowledgeable in their fields, are asked to sit on these subpanels, and to make recommendations about future high energy physics projects.