Power SupplyPower Supply

The Block Diagram of a Power Supply

AC input

Primary rectifier

Primary filter

Solid state switch

transformer Secondary rectifier

Secondary filter

DC output

Switching circuit

AC input

Primary rectifier

Primary filter

Solid state switch

transformer Secondary rectifier

Secondary filter

DC output

Switching circuit

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CHARACTERISTICS OF POWER SUPPLY

What is a power supply?

Power supply is a reference to a source of

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A device or system that supplies or other types of to an output or group of loads is called a power supply unit or PSU

Electrical power suppliesElectrical power supplies

A power supply may include a power distribution system as well as primary or secondary sources of energy such as:

converting line voltage to a well-regulated lower-voltage

Electrical power suppliesElectrical power supplies

A power supply may include a power distribution system as well as primary or secondary sources of energy such as:

Electrical power suppliesElectrical power supplies

A power supply may include a power distribution system as well as primary or secondary sources of energy such as:

Chemical And

other forms of

systems

Electrical power suppliesElectrical power supplies

A power supply may include a power distribution system as well as primary or secondary sources of energy such as:

Electrical power suppliesElectrical power supplies

A power supply may include a power distribution system as well as primary or secondary sources of energy such as:

Power supply types

Battery power supply

A is a type of linear power supply that offers benefits that traditional line-operated power supplies lack: mobility, portability and reliability.

Power supply types

Linear power supply

An powered linear power supply usually uses a to convert the voltage from the wall outlet (mains) to a different, usually a lower voltage

Power supply types

AC/ DC supply

The power supply consisted of a rectifier and a capacitor filter

Power supply types

Switched-mode

power supply

(SMPS) works on a different principle. AC mains input is directly rectified without the use of a transformer, to obtain a DC voltage.

Power supply types

Programmable power supply

This type of supply is composed of a processor, voltage/current programming circuits, current shunt, and voltage/current

read-back circuits.

Power supply types

Uninterruptible power supply

An uninterruptible power supply (UPS) takes its power from two or more sources simultaneously.

Power supply types

High-voltage power supply

High voltage refers to an output on the order of hundreds or thousands of volts. High-voltage supplies use a linear setup to produce an output voltage in this range.

Power supply types

Voltage multipliers

Voltage multipliers, as the name implies, are circuits designed to multiply the input voltage.

Power supply types

Voltage multipliers

The input voltage may be doubled (voltage doubler), tripled (voltage tripler), quadrupled (voltage quadrupler), etc