Photovoltaic Power Generation Question Bank – Multiple Choice Questions (Questions 51-100)

Photovoltaic Power Generation Question Bank - Multiple Choice Questions (Questions 51-100)

Multiple Choice Questions 51-100 51.When operating under conditions without shadow obstruction, with solar irradiance above( ) and wind speed not exceeding( ), the temperature difference on the surface of the same photovoltaic module (the area directly above the cells) should be less than( ). Photovoltaic power plants with a capacity greater than 50 kWp should … Read more

Is a Pull-Up Resistor Necessary for SPI Bus?

Is a Pull-Up Resistor Necessary for SPI Bus?

A common misconception is that pull-up resistors are always required on SPI bus lines. I want to make it clear that pull-up resistors are not always necessary for the basic function of sending and receiving digital data on the SPI bus. The buffers in the SPI interface use a push-pull topology, which involves high-side and … Read more