Power electronics

How to diagnose and handle refrigerant malfunctions in industrial chillers?

Refrigerant is indispensable in the operation of industrial chillers, serving as a fundamental condition for their norm...

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2026-02-23

Sharing experience in debugging switching power supplies in the field of power electronics.

In the field of power electronics, switching power supplies are widely used due to their high efficiency and small size...

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2026-02-23

Analysis of the reasons for the large differences in output between photoelectric sensors and operational amplifier circuits and solutions.

In modern electronic measurement and control systems, photoelectric sensors and operational amplifier circuits are comm...

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2026-02-23

What should I do if an AC contactor fails to engage after being powered on?

AC contactors, as frequently used actuators in electrical control systems, play a crucial role in many fields such as p...

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2026-02-23

How is the efficiency of power electronic devices calculated during the electrical energy conversion process?

**Using Wide Bandgap Semiconductors:** Wide bandgap semiconductors such as silicon carbide (SiC) and gallium nitride (G...

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2026-02-23

Tips and precautions for circuit schematic design

As an electrical maintenance technician, being able to read circuit diagrams is an essential skill. Circuit diagrams pr...

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2026-02-23

What is the function of a water heater safety valve? How to use a water heater safety valve correctly?

I. What is the function of the safety valve in a water heater? The water heater safety valve is suitable for electric w...

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2026-02-23

Briefly describe the use and maintenance of electric vehicle batteries

Lead-acid batteries are the main type of batteries used in electric vehicles today. It is not an exaggeration to say th...

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2026-02-23

How to correctly understand the overcharging phenomenon of lithium-ion batteries

There's a common misconception about charging: keeping the phone fully charged is always best. While some people wi...

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2026-02-23

Analysis of the technological development of lithium battery cathode materials

① Lithium manganese oxide cathode material Lithium manganese oxide is one of the earliest studied cathode materials for...

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2026-02-23

What circuit can be used to solve the problem of operational amplifier circuits being interfered with by walkie-talkies?

In environments where modern electronic devices are widely used, operational amplifier circuits, as a crucial component...

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2026-02-23

How to maintain the battery of an electric wheelchair?

1. Lithium-ion electric wheelchair batteries must be charged with a dedicated charger. Do not arbitrarily change the ch...

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2026-02-23

What is the effect of loop inductance on circuit integrity?

In modern high-speed, high-density circuit design, circuit integrity is a key element ensuring the reliable operation o...

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2026-02-23

Can a crystal oscillator be used as a frequency selection circuit that requires no tuning in a wireless receiver circuit?

In today's rapidly evolving wireless communication technology, the performance of wireless receiving circuits direc...

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2026-02-23

What are the advantages of high-voltage amplifiers? How to use a high-voltage amplifier correctly?

I. What are the advantages of high-voltage amplifiers? A high-voltage amplifier is a signal amplifier with a high volta...

Articles
2026-02-23