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The inverter converts DC power (battery, storage bottle) into AC power (usually 220v50HZ sine or square wave). Emergency power supply generally converts DC battery into 220V AC. In layman's terms, ...[Details]

First, let’s look at the two waveform diagrams, Figure 1 and Figure 2. In these two diagrams, the sampling frequencies when the signals are discretized are much larger than the frequency of the signa...[Details]

On July 8, SMIC issued an announcement stating that the number of the company's restricted shares listed and circulated this time is approximately 775 million shares, accounting for 9.81% of the comp...[Details]

　　Two power transistors form a push-pull circuit, which shapes the DC power rectified by the bridge rectifier circuit into a high-frequency pulsating current on the transformer, and then generates lo...[Details]

In January 1954, the first 220 kV ultra-high voltage transmission line designed and constructed by New China, the 220 kV Song (Fengman) Dong (Dongling) Li (Lishizhai) transmission line, was complet...[Details]

1.What is the value range of the char type in MDK?  In MDK, by default, data items of type char are unsigned, so their value range is 0 to 255. They can be explicitly declared as signed char or unsig...[Details]

On September 7, the Zhongke GUNENG sulfide all-solid electrolyte production base project was signed in Liyang. Chen Liquan, an academician of the Chinese Academy of Engineering, attended the ceremony ...[Details]

Advantages of Intel X86 MID As the originator of the MID concept, Intel has developed two generations of application platforms for it so far, namely "Menlow" launched in 2008 and "Mooresto...[Details]

China Energy Storage Network: Since the 12th Five-Year Plan, China's power grid construction has experienced a period of rapid development, and its scale has leapt to the first place in the w...[Details]

On the power battery track, the confrontation between China and South Korea has undergone subtle changes. Recently, the capital market's expectations for LG New Energy were unveiled: Brokerages on ...[Details]

1. Background Because neon lights have the characteristics of uniform and continuous light, they have been widely used in the decorative lighting market for many years. Neon lights ar...[Details]

     On October 18, Hisense A5, a new single-ink reading phone, opened for pre-order on JD.com. JD.com has recently announced its front appearance, with 276 people making reservations. The new phone ...[Details]

OFweek Cup · OFweek 2023 China Robot Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]

NXP, Anokiwave, YTTEK and Semicomm recently demonstrated a complete 5G RF unit solution from baseband to mmWave using the O-RAN open architecture at a joint workshop in Taiwan. This new platform prov...[Details]

OBC, DCDC, PDU Constituting the “three small electrics” of new energy Due to the different power systems, the "three electrics" of new energy vehicles have replaced the fuel tank, engine,...[Details]