What is variable frequency power supply

What is variable frequency power supply After the AC-DC-AC conversion double inverter power supply is called variable frequency power supply, it is different from the frequency conversion speed controller used for motor speed regulation. It is also different from ordinary AC regulat ----more

Brief introduction to LED production process

In the daily life, with the rapid development of LED, we have more and more opportunities to access LED. But in addition to knowing that LEDs have high brightness, low power consumption, long life, etc. Have we ever explored the production process of an LED lamp? Below we intr ----more

Well-known semiconductor manufacturer Huashan Lunjian, …

Electronic enthusiasts News: With the improvement of people's health awareness, changing the concept of self-care, the concept of disease prevention is better than cure gradually accepted the home medical equipment is gradually being recognized and accepted by the general ----more

Hisense launches a cost-effective 4K laser TV L5, raidi…

With the increase in 4K ultra-high-definition program sources, many consumers who pay attention to home theater have once again become restless. Most of them have purchased 1080P LCD TVs a few years ago, which have higher definition, richer colors and HDR. Under the temptation ----more

Call hold circuit

When the call hold button S1 is pressed, the thyristor SCR1 is turned on through R1 and R2, and simultaneously connected to the telephone line through the channels of R3, D1 and SCR SCR1. Call hold circuit: Thc Oil HHC VapeThc oil vaporizerShenzhen Yingyuan ----more

Metal powder forming special hydraulic press, metal pow…

Metal powder molding special hydraulic presses, metal powder molding special hydraulic machine. Tengzhou City, a large heavy machinery Manufacturing Co., Ltd. Located in the traffic developed and economic prosperity of Tengzhou City, is a rich capital and advanced technology private enterprises. Th ----more

How to choose cathode material and safety analysis of p…

With the sales of lithium-ion electric vehicles in Beijing, Shanghai, Suzhou, Hangzhou and other large and medium-sized cities in China, more and more electric vehicle manufacturers have begun to launch lithium battery projects. However, what kind of lithium battery to choose ----more