Ask a question about switching power supply

5 answer

The laptop is powerless.

4 answer

What are the manufacturers of railway signal intelligent power supply screen?

3 answer

Is the power adapter burnable to burn the motherboard?

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An 8.0-mH inductor and a 2.0-Ω resistor are wired in series to a 20-V (Physics)?

4 answer

65w adapter and 90w laptop power adapter What is the difference?

3 answer

Surface grinder can add frequency converter, what are the advantages and disadvantages?

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Is the UPS power supply including precision air conditioning?

3 answer

Neighborhoods! Control transformer and switching power supply of the difference, for occasions, advantages and disadvantages

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Sony laptop can not open the machine, and what reactions are not, the power adapter plug a computer to flash, a pumping down the green light adapter is normal

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Why does the 24 volt switch power leak?

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physics! Please help! Inductor, Voltage, Frequency!?

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Power supply Merlin Geran country

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What is the component of MOV in switching power supply?

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What is the difference between a frequency converter and a servo controller?

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What are the types of power adapter used in notebooks?

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When does the laptop power adapter work? Is the power outlet first?

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measuring inductors?

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An inductor has a peak current of 260 micro amps when the peak voltage at 45 MHz is 2.5V?

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What is the common COM point of the PLC and the inverter? Is it positive?

3 answer

My laptop power adapter is 19.5v-4.74A output parameters, you can use 19v-3.34A output parameters of the power adapter?

2 answer

My MacBook Air doesn't plug in the black screen, but what's the problem?

3 answer

What is the role of a transformer in a switching power supply?

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what is the inductance of a hollow copper tube when used as an inductor ?

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An inductor of 210 turns?

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What do you mean by dual power supply?

3 answer

Ups power and the general power of what is the difference

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The output voltage of the switching power supply decreases as the load increases

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HELP! How to compute inductor current changes in a RL circuit?

3 answer

How does MM430 frequency converter always report F003 fault?

3 answer