What is Power Supply? What is a power supply?

After taking your machine apart, the dirtiest and hottest square box, and a lot of colorful tails is the power supply. Thank you.

The power supply is what powers the whole computer, and the box, the power cord is connected to the outside, and there are many, many wires on the inside, and they are plugged into various places inside the case.

The English word for power supply is power supply.

Pronunciation: [ pa (r) s pla ].

Meaning: power supply; Power Supply**.

Part of speech: Usually used as a noun in a sentence, as a subject or object.

Fixed collocation: power supply voltage ; Supply voltage ; Voltage; Power supply.

Example sentence:

1、the island of penang has wide roads, a steady stream of graduates from university science and an efficient power supply.

Penang has wide roads, a steady stream of graduates from science universities, and efficient electricity**.

2、nigeria's power supply has been stagnant for 30 years.

Electricity** in Nigeria has been stagnant for 30 years.

A power supply is a device that converts other forms of energy into electrical energy, including ordinary power supply and special power supply.

1. Ordinary power supply can be subdivided into: switching power supply, inverter power supply, AC regulated power supply, DC regulated power supply, communication power supply, module power supply, variable frequency power supply, UPS power supply, EPS emergency power supply, rectifier power supply, customized power supply, heating power supply, electric power supply plating power supply, network power supply, power operation power supply, adapter power supply, linear power supply beam Zheng, power controller and driver, power branch slag rate power supply, inverter power supply, parameter power supply, voltage regulation power supply, transformer power supply, etc.

2. Special power supply can be subdivided into: shore power supply, security power supply, high-voltage power supply, medical power supply, military power supply, aerospace power supply, laser power supply, and other special power supplies.

It is a device that converts other forms of energy into electrical energy. The power supply is based on the principle of "magnetic electricity", which is generated by renewable energy sources such as hydropower, wind power, ocean tides, dam water pressure difference, solar energy, and coal burning and oil residue. Common power sources are dry batteries (DC) and household 110V-220V AC power supplies.

Chinese name power supply.

The foreign name is Power Supply

Common power supplies. Battery category.

Conversion device. Actions convert other forms of energy into electrical energy.

Example: Dry battery, household power supply.

Performance metrics. High-quality power supplies generally have multi-national certification marks such as FCC, UL in the United States and Great Wall in China. These certifications are professional standards formulated by the certification body according to the technical specifications of the industry for power supply, including production process, electromagnetic interference, safety protection, etc., where the product that meets certain indicators can be used on the packaging and product surface after the certification is passed, and has a certain authority.

How it works. Generators can convert mechanical energy into electrical energy, and dry batteries can convert chemical energy into electrical energy. The generator and the battery itself are not charged, its two poles have positive and negative charges, and the voltage is generated by the positive and negative charges (the current is formed by the directional movement of the charge under the action of voltage), the charge conductor is already there, and the current needs to be added to generate the voltage. Dry batteries, etc., are called power supplies.

A rectifier power supply is a device that converts alternating current into direct current through a transformer and rectifier. The electronic device that provides the signal is called the signal source. The transistor can amplify the signal sent from the front, and then transmit the amplified signal to the circuit behind.

The transistor can also be regarded as a signal source for the later circuits. Rectifier power supplies and signal sources are sometimes referred to as power supplies.

A power supply is a device that provides power to electronic devices, also known as a power supply device, which provides the electrical energy required by all the components in the computer. Whether the power of the power supply, current and voltage are stable or not will directly affect the working performance and service life of the computer.

Power Bert Diagram.

The computer power supply is a kind of enclosed independent component installed in the main chassis, its function is to replace the alternating current with 5V, -5V, +12V, -12V, + and other stable direct current through a switching power transformer, and use the system components such as the system version in the main chassis, floppy disks, hard disk drives and various adapter expansion cards. In layman's terms, one power supply breaks down, and another backup power supply replaces its power supply. The availability of hardware can be enhanced by providing battery backing for nodes and disks.

HP-supported uninterruptible power supplies (UPS), such as HP PowerTrust, protect against momentary power outages. The disks should be connected to the power supply circuitry in such a way that the mirrored copies are connected to different power sources. The root disk and its corresponding node should be powered by the same power circuit.

In particular, the cluster-lock disk (which is used as an arbiter when reorganizing the cluster) should have redundant power, or it can be powered by a power supply other than the nodes in the cluster. hp

1.Do you mean VCC and VCC by dual power supplies? If so, it's the same as 2vcc and 0 for a single power supply.

Also, do you mean that for differential op amps, do you add input signals at both ends or only one end adds input signals? In these two cases, the input differential signal is simply subtracted from both ends, and there is no difference. 2.

For differential op amps, both the positive and negative inputs are DC biased. The purpose of adding DC bias is to allow the circuit to operate in the normal amplification area. Textbooks generally analyze the working principle of op amps, such as magnification, and only consider the model of small AC signals.

Therefore, for the end with only DC bias, the diagram generally shows ground, indicating that there is no AC signal input at this end. And for the end with AC signal input, we generally add an AC input signal, such as:

vs and so on. In fact, this VS is superimposed on the DC bias, assuming that the DC bias is VREF, then the total voltage of this input terminal is VS VREF, and for the other end, the voltage it adds is VREF, not DC ground, but AC ground, which can be amplified normally. A single power supply is a positive and negative group of power supplies, in which the negative pole is generally called grounding.

Dual power supply is positive, negative and ground two sets of power supply, the grounding electrode is the negative pole for the positive power supply, and the positive pole is for the negative power supply, generally the LM339 positive and negative power supply voltage is the same.

The dual power supply can effectively improve the working efficiency and stability of the circuit, reduce the number and standard of components, and reduce the dry sound.

A power supply is a device that provides power to electronic devices, also known as a power supply device, which provides the electrical energy required by all the components in a computer. Whether the power of the power supply, current and voltage are stable or not, digging will directly affect the working performance and service life of the computer.

It can be subdivided into: switching power supply, inverter power supply, AC regulated power supply, DC power supply, communication power supply, module power supply, frequency conversion power supply, UPS power supply, EPS emergency power supply, purification power supply, PC power supply, rectifier power supply, custom power supply, heating power supply, welding power supply, arc power supply, electroplating power supply, network power supply, power operation power supply, adapter power supply, linear power supply

Power controller, power supply, other ordinary power supply, inverter power supply, parametric power supply, voltage regulation power supply, transformer power supply.

The solution of the electric deficiency nuclear source is released.

power supply;power source] A device that provides power to an electronic device Explains in detail a device that supplies electrical energy to an electrical appliance. Such as batteries, generators, etc. Bino "The People Who Shine with Electricity" :

This giant hydropower station is a huge power source for the motherland and a driving force for socialist modernization. ”

Decomposition of Words Explanation of Electricity Electricity (electricity) à a physical phenomenon, an energy that can be obtained by chemical or physical methods to make a lamp glow, mechanically turn, etc.: electricity. Electrical energy.

Electric heating. Radio station. On a rainy day, the light emitted when the clouds in the air are discharged:

Lightning. Thunder. Refers to the telegram:

Power. Message. Refers to the telegram:

Explanation of the source Source á The place from which the water flows: the source of the river. Springhead.

Origin. A long history. Source.

The root of things: **. Resource.

Origin. Energy. Origin.

Origin. Surname. Flow radical: 氵.