Principle of measuring battery power with a regulated power supply

What is a regulated power supply?

A regulated power supply is an embedded circuit; it converts unregulated AC (alternating current) into a constant DC. With the help of a rectifier it converts AC supply into DC. Its function is to supply a stable voltage (or less often current), to a circuit or device that must be operated within certain power supply limits.

Does a regulated power supply have a constant output voltage?

The output voltage remains constant irrespective of variations in the ac input voltage or variations in output (or load) current. Figure 43.3 shows the complete circuit of a regulated power supply with a transistor series regulator as a regulating device.

What is the difference between regulated and unregulated power supplies?

Unregulated is the most basic type of power supply and does not have the ability to supply consistent voltage to a load, while regulated power supplies do and have many different design options. Linear converters are the least complex but also create the most heat, while switched converters are more intricate and cooler but create more noise.

What happens if a DC power supply is not regulated?

Typically the output voltage will decrease as the current output to the load increases. With an unregulated DC power supply, the voltage output varies with the size of the load. It typically consists of a rectifier and capacitor smoothing, but no regulation to steady the voltage.

What is a programmable power supply?

Programmable power supplies are also available to allow remote operation that is useful in many settings. A regulated power supply is an electronic circuit that is designed to provide a constant dc voltage of predetermined value across load terminals irrespective of ac mains fluctuations or load variations.

Can a DC power supply be regulated with a resistive voltage divider?

Since the power supply is operating normally under level. same voltage and current capability. It might seem reasonable to meet such requirements using a single regulated DC supply with a resistive voltage divider center tapped to ground. Figure 65 show s, the other load resistance. Figure 64A. Reverse Current Loading Problem imbalance can develop.