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How do I remove the power supply fan? Computer power supply Fan Replacement tutorial

Power is like the heart of a computer, which plays a key role in stabilizing the power supply. As long as the power supply plug in, there will be work, even if not on, the internal standby power is still to work, so the computer

Comparison between switching power supply and Linear Power Supply

The adjustment tube of the linear power supply is working in a magnified state, so the heat is generated and the efficiency is low (about 35%). A large heat sink is required, and a large power frequency transformer is also required, the transformer will be larger when multiple voltage outputs are to be made.The adjustment tube of the switch

Developers must understand the concept of switching power supply (features of the Power Supply Module)

Developers must understand the concept of switching power supply (features of the Power Supply Module) 1. Concept of switching power supply The switching power

Principle of switching power supply and design of parallel switching power supply for Energy Storage inductance calculation (10)

1-4-3. Calculation of energy storage inductance of the parallel switching power supplySimilar to the numerical method used to calculate the energy-saving inductance in the inverted series switching power supply, the energy storage inductance of the parallel switching power supply

Linear Power Supply and Switching Power Supply

(1) Concepts A Linear Power Supply typically samples the output voltage and sends it to the Compare voltage amplifier with the reference voltage. The output of this voltage amplifier serves as the input of the Voltage Adjustment tube, it is used to control the adjustment tube so that its junction voltage changes with the input, so as to adjust its output voltage. However, the switching

[Module Power Supply Knowledge] Do you know several common small problems of power supply?

If the power plant outputs "clean" high-quality power supply, but the power supply passes through transmission and distribution, it is affected by the damage caused by weather, user equipment, and human factors, power

Principle of switching power supply and Design of series-connected Switching Power Supply for Energy Storage filtering inductance (III)

1-2-3. Calculation of energy storage filter inductance of tandem Switching Power SupplyFrom the above analysis, we can see that the output voltage of the tandem switch power supply is related to the duty cycle D of the control switch and the energy storage inductance L, because the energy storage inductance L determines the current rise rate (DI/dt), that is, the

Principle of switching power supply and Design of inverted series Switching Power Supply for Energy Storage inductance calculation (6)

1-3-2. Calculation of energy storage inductance of inverted series Switching Power SupplyThe calculation method of the energy storage inductance of the inverted series switching power supply is basically the same as that of the previous "calculation of the energy storage filter inductance of the tandem Switching Power

Principle of switching power supply and Design of invert series Switching Power Supply)

1-4-1. operating principle of the parallel switching power supplyFigure 1-11-A is the simplest working principle of the parallel switching power supply, and Figure 1-11-B is the waveform of the output voltage of the parallel switching power supply. In Figure 1-11-A, the UI i

Principle and Design of switching power supply the calculation of the storage filter capacitor of the tandem switch power supply (IV)

1-2-4. Calculation of the filtering capacitor of the series-connected Switching Power SupplyWe also started from the current flowing through the energy storage inductor as the critical continuous current state, analyzed the charge and discharge process of the energy storage filter capacitor C, and then calculated the value of the energy storage filter capacitor C.Figure 1-6 shows the voltage and current waveforms of each point in the tandem switching

Principle of switching power supply and Design of Circuit Parameters for Switching Power Supply of forward-facing Transformer (15th)

1-6-3. Calculation of circuit parameters of the switch power supply of the forward-facing TransformerThe circuit parameter calculation of the switching power supply of the excited transformer mainly calculates the energy storage filter inductance, the energy storage filter capacitor, and the parameters of the switching

What is the Lenovo ThinkPad flying power supply model? Introduction to Flight power supply mode

seat plug. In flight power mode, the power consumption of the device must be less than 60 W. So in order to ensure flight safety, the power supply above 60 W will be automatically converted to 60 W, some laptops in the flight power mode will stop the

Principle and Design of switching power supply the output voltage filter circuit of the series-connected switching power supply (II)

1-2-2. Output Voltage filter circuit of the tandem switch power supplyMost of the output of the switching power supply is DC voltage. Therefore, the output circuit of the general switching power supply has a rectifying and filtering circuit. Figure 1-2 shows the working prin

Principle and Design of switching power supply the calculation of transformer parameters of excited switch power supply (16)

-6-3-2. Calculation of parameters of the transformer of the excited switch power supplyThe parameters of the transformer of the excited switch power supply are mainly calculated from these aspects. One is the turns of the primary coils of the transformer and the volt second capacity. The larger the volt second capacity, the smaller the excitation current of the t

Can 20-pin power supply be changed to 24-pin power supply?

My motherboard is a 24PIN power interface, the power is 20PIN interface, compared, the more out of the interface is (+12V, +5v) and (+3.3v, GND) Two groups, now the motherboard only one +3.3v output used in the SATA power sockets, Want to use a large 4-pin socket to transfer into the 4-pin motherboard power connector,

Suzhou Supply DC regulated power supply RD-1005 100v5a

Tags: DC regulated power supply DC regulated power supply -- RD-1005 Product Introduction The RD Series Digital DC Stabilized Current power supply is controlled by an efficient chip. It adopts the IGBT module adjustment mode and

Power distribution system and power supply integrity

A Power distribution System (PDS) is a subsystem that allocates power from power source to each device and device that needs power in the system. In all electrical systems there are power distribution systems, such as the lighting system for a building, an oscilloscope, a PC

Computer failure due to poor computer power and power supply damage

1, the hard disk appears bad track. Bad power is easy to cause the hard drive to appear false bad, this kind of fault can be repaired by software generally. In such cases, first check the power supply. If the problem is confirmed to be a power supply, the new

How to choose the power of computer power supply

Assemble the computer process of the friend will tend to the power of the cold, like to focus attention to the processor (CPU) and independent graphics, memory and other major computer components, and often on the power is not how to care, which is the most easily in the power to obtain more profits in the reason, The stability of computer

Distributed Power Supply Design of Modern Communication Networks

A Distributed Power Supply System is a large-capacity power supply system composed of several small-Capacity Power Supply Modules. It is a relatively small Power

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