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Editor’s Note:
When I visited Northwest China not long ago, the owner reported that a large-scale ground photovoltaic power station with a capacity of 100 MW in Northwest China used a string...[Details]
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1. First, correctly select the voltage level of the clamp-type ammeter, check whether its insulation is good, whether it is damaged, whether the pointer swings flexibly, and whether the jaws are rust...[Details]
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FOC (Field-Oriented Control) is an advanced control technology in the field of motor control and one of the more advanced motor control methods currently.
The working principle of FOC is...[Details]
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"Changan has invested in Yinwang, please pay attention to it!"
At 8:30 last night, I had just parked my car in the basement of the community when this message popped up in the work group...[Details]
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Recently, the State Administration for Market Regulation announced the results of a random inspection of the quality of photovoltaic grid-connected inverter products in 22 projects in seven provi...[Details]
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Vishay Expands Resistance Range of MC AT Precision Thin Film Chip Resistors in 0402, 0603, and 0805 Packages
Automotive-grade devices with resistance values up to 7.5 M, temperatu...[Details]
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Information shows that recently, vivo's affiliated company Vivo Mobile Communications Co., Ltd. disclosed the patent for "Method and Device for Identifying Spam Content", with publication number CN11...[Details]
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According to the load characteristics of LED , a controllable constant current source is needed to control it. If the rectified AC voltage is directly added to the output LED, the problem is that ...[Details]
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The advantages of LED such as high brightness, low power consumption, miniaturization and long life have promoted the rapid development of this technology, but LED lighting technology still faces c...[Details]
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Figure 1 shows the conducted disturbance value collected at the power input end.
Figure 2 shows the conducted interferen...[Details]
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The latest report released by market research firm Counterpoint shows that global smartphone AP/SoC chip shipments increased by 31% year-on-year in the second quarter of 2021, thanks to the surge in ...[Details]
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How does the three-proof lamp waterproof tester perform the three-proof lamp sealing test? It refers to lighting products with the three indicators of waterproof, dustproof and corrosion-resistant. G...[Details]
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With the development of communication technology, the frequency used in communication equipment is increasing day by day. Radio frequency (RF) and microwave (MW) circuits have been widely used in c...[Details]
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The power supply of this machine is also very simple, using RC filter circuit, because the push-pull amplifier circuit has a strong suppression effect on the power supply ripple, and does not use...[Details]
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On October 16, the second Midea Visionary Conference was held in Shunde, Foshan. Academician of the Chinese Academy of Sciences and professor of Huazhong University of Science and Technology Ding Han,...[Details]