Advantages of centralized power supply of UPS power supply (1) By integrating the power supply of each weak current system, the construction area of the computer room can be saved; (2) High po...
Post-installation inspection item serial number Inspection item acceptance criteria: 1. Confirm whether the cable layout takes into account the wiring of other systems in the future and meets the con...
Current crest factor (CF): The current crest factor refers to the ratio of the peak value to the rms value of the current cycle waveform. Since the energy absorbed by the computer load when it receive...
Electricallinenoise: refers to radio frequency * (RFI) and electromagnetic * (EFI) and other high frequency *, motor operation, relay action, motor controller work, broadcast emissions, microwave radi...
UPS uninterruptible power supply continues to expand its use in enterprises to protect delicate and uninterruptible equipment components. As the users of UPS power supply continue to grow, new and old...
Main types of switching power supply There are two types of modern switching power supplies: one is DC switching power supply; the other is AC switching power supply. Internal structure of switching...
1. Interference problem of high frequency switching power supply In the current intelligent switching power supply, there are built-in microprocessors or DSPs, which are used for on-machine monitorin...
The switching power supply is composed of four major parts: the main circuit, the control circuit, the detection circuit and the auxiliary power supply. 1. Main circuit Inrush current limiter: Limit...
Zhitao Electric Group Co., Ltd Is a professional engaged in a variety of low-voltage electrical products design, development, production and sales of enterprises. founded in 2015, is an enterprise spe...
Nowadays, there are many brands in the variable frequency power supply product market, but there are really few manufacturers. Some are just under the banner of manufacturers, but they are not real ma...
With the integration and standardization of DC regulated power supply planning, its power density has risen linearly, while the volume of DC regulated power supply is getting smaller and smaller. This...
High-power DC power supplies can be said to be ubiquitous, and we can't know more about them. In the industry, although high-power DC power supply is not obvious in a complete production cycle, it is ...
When the mains voltage is converted into the designed voltage through the input switch and the transformer is turned on, it enters the pre-stabilizing circuit. The pre-stabilizing circuit is to perfor...
When the mains voltage is converted into the designed voltage through the input switch and the transformer is turned on, it enters the pre-stabilizing circuit. The pre-stabilizing circuit is to perfor...
In order to comply with the latest ErP Directive (Commission Regulation (EU) 2019/2020), MEAN WELL has fulfilled additional energy efficiency tests and CE test data updates for LED power supply produc...
Dear Customer : We would like to take this opportunity to thank you for your kind support all this while. Please kindly be advised that our company will be closed on January 14th , 2022, in observa...
The Spring Festival is the most important festival in China. In the Spring Festival, all family members will get together, just like Chirstmas in the West. Its origin is ancient, but many believe the...
1. Digitalized PSU (1) The advantages of digitalized PSU The conventional power supply is based on analogous control which has advantages of low cost, simple circuity design and fast response. Howev...
To select a LED driver with a proper voltage operating range (Constant Current region) may look fairly easy, but this article will explain that it is not that straight forward. Firstly, one has to rea...
Driving LED by constant power mode has recently been a popular topic. Why do LEDs must be driven by the constant current? Why not with a constant power source? Before discussing the above issue, we m...
Preface The international multi-sport Olympics held in Rio de Janeiro, Brazil is just finished this summer. Each country has corresponding broadcaster to present high quality sport programs to suppor...
Energy saving has been the topic drawing worldwide attention. The energy consumption from lighting is about 19~20% of the overall global consumption; if LED is the source of lighting, it sufficiently...
Introduction LED dimming has advantages in terms of energy savings, enhanced ambience, improved light source efficacy/ lifetime…etc. The dimming performance is mainly determined by the LED source and...
In 2008, MEAN WELL officially released the first LED power supply – CLG-150 series and stepped into the potential LED market. Until now, the selling quantity of LED related products is uncountable. Ha...
