Industry Information

Update May 22, 2020

What is the difference between Single Stage and Two Stage Power Supply?

There are 2 types of Power Factor Correction circuits; one is Single Stage and the other is Two Stage. Single stage power supply combines functions of power factor correction and converter in one...

Update May 20, 2020

What is safety power supply

At input side, there will be (1/2 ~1 cycle, ex. 1/120 ~ 1/60 seconds for 60 Hz AC source) large pulse current (20~100A based on the design of S.P.S.) at the moment of power on and then back to normal...

Update May 14, 2020

Why the power supply must be passed CE certification?

CE certification, which is limited to the basic safety requirements of power supplies that do not endanger the safety of humans, animals and goods, rather than general quality requirements, the...

Update May 06, 2020

How to choose a laptop power adapter

When choosing a laptop power adapter, you should pay attention to several aspects: first, the type of socket, the model corresponding to the laptop; then the voltage, the adapter voltage must be the...

Update April 24, 2020

Explain an LED street light driving power supply with isolation transformer and PFC control

The LED street lamp is a low-voltage, high-current driving device. The intensity of its illumination is determined by the current flowing through the LED. If the current is too strong, the LED will...

Update April 21, 2020

Lightning surge test of switching power adapter

Mechanical injury: 1. Before use, you must confirm that the wrench is a qualified wrench, labeled or certified. 2. Before use, it must be checked that the nuts of the mechanical transmission parts...

Update April 20, 2020

Smart Li-ion Battery Charger Precautions

First: Inspect and eliminate battery faults promptly and regularly until the appearance is not acidic. Every month, wipe the surface thoroughly with distilled water and wipe with a dry cloth or...

Update April 17, 2020

Lead acid and lithium battery which is better _ lithium battery and lead acid battery comparison analysis

Most people will be more concerned about the price and the most important parts of the electric vehicle before buying a car. There are two kinds of batteries in the market: lead-acid batteries and...

Update April 13, 2020

Discussion on the power supply of clean operating room in medical IT distribution system

1 Introduction With the rapid development of medical electronic and electrical technology, modern medical care is increasingly dependent on electrical and electronic equipment. People's environmental...

Update April 13, 2020

SMPS can achieve higher efficiency

Due to the continuous advancement of technology and the introduction of recommended and mandatory standards, the energy efficiency of power supplies is constantly improving. It is estimated that the...