What is the main harmonic produced by a transducer? How about the degree?

5 answer

How to choose a Siemens inverter for a 5.5KW three-phase motor (2 pole)?

3 answer

Voltage across an inductor?

5 answer

UPS concept and role? (The more the better) Thank you

3 answer

Laptop power on a computer adapter on the lights on the off is how is it?

5 answer

Industrial 24V switch power outlet "-" is it necessary to connect with the ground?

5 answer

Is the switching power supply connected to the power supply voltage is too low on the switching power supply it?

4 answer

What is the difference between backup and online UPS UPS? Who knows?

3 answer

Help with inductor and sinusoidal waves.?

2 answer

How do you get resistance and henry from inductor?

1 answer

Do you have a big impact on your notebook with a high imitation power adapter?

4 answer

How to classify inductors

4 answer

Original notebook power adapter burned out, the current is the original 3.95A is equipped with 4.74A, you can use it?

4 answer

A resistor and an inductor are connected in a series circuit with an ac source.?

3 answer

19V 3.42A notebook can use 20V 4.5A power adapter?

3 answer

How inexact can I be with inductors when designing a crossover?

1 answer

What unit results when calculating the quantity, 1/2πfc. V,wb,f/s,ohms, or F.s?

2 answer

What is the meaning of the magnetic ring color in the switching power supply?

3 answer

Switching power supply how to repair

3 answer

Whether the inverter can control the start and stop of the horizontal monopole centrifugal pump

3 answer

Switching power supply maintenance methods can be divided into several steps

5 answer

Car cd with the battery all right, with a switching power supply speaker has a buzzing sound

3 answer

A 3.5 mH inductor and a 4.5 mH inductor are connected in parallel (Physics)?

1 answer

Switching power supply what brand is good?

4 answer

why electric inside pure inductor is assumed to be zero?

1 answer

Voltage across the inductor question?

2 answer

Capacitors/Inductors in DC?

2 answer

inductor with negligible resistance is connected across an ac source?

1 answer

What's the difference between power AC and DC?

3 answer

Can the frequency converter speed up?

3 answer