Is the regulator the same as the role of UPS? What's the difference?

3 answer

Help with physics! Inductors!?

1 answer

Mobile phone charger can be DC power supply?

3 answer

Laptop power adapter even the computer line off, then pick up can not be used?

5 answer

EMF outside an Inductor / Solenoid?

1 answer

Rate of change of current in an inductor?

2 answer

Three-phase motor, quadrupole asynchronous motor to 15rpm, the inverter output how many volt voltage? The 4 V

3 answer

What is the UPS power supply?

5 answer

Which machines are used for the frequency converter

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Delta VFD-A frequency converter motor number of poles set

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As the output voltage of the power supply is same, the output current is larger than the rated current. Can it be used normally?

3 answer

On the laptop power adapter problem

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What is the frequency converter used to do, why some motor with the inverter?

3 answer

Is the mobile power good for lithium ion batteries or lithium polymer batteries?

4 answer

A variable inductor with negligible resistance is connected to an ac voltage source. By what factor does the ?

2 answer

The principle or function of four major components of UPS power supply equipment are briefly described

4 answer

A 2.50 inductor is connected in series with a dc battery of negligible?

1 answer

Lenovo notebook power adapter 19v can use 20v of it

3 answer

Toshiba laptop power adapter original and non-original how to identify?

3 answer

A 1.15-?H inductor is connected in series with a variable capacitor in the tuning section of a short wave radi?

1 answer

Multimeter measuring industrial furnace box and power supply resistance is 6-15mΩ, which is leakage it?

2 answer

Given: an ideal current source is connected in series with an ideal inductor?

1 answer

Direction switching power supply

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Which switch button is for mobile power? What's the point?

3 answer

What role does input and output reactor play?

5 answer

Calculate the current through the inductor.?

1 answer

Hello, my laptop power adapter can be used directly but can not charge the battery

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HP laptop power adapter drip, can not charge, suspected to be bad.

4 answer

An inductor is in series with the parallel connection of inductor - capacitor. How to find the resonance Freq?

5 answer

15V laptop power adapter can charge the car battery

3 answer