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Operation experience shows that lightning accidents in distribution networks account for about 70% to 80% of all lightning accidents in the entire
power
system. Therefore, it is necessary...[Details]
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The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
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On May 21, former Foxconn Vice President Cheng Tianzong published a 4,000-word article on Facebook, revealing the inside story of the Foxconn suicide incident. He said that out of respect for the dec...[Details]
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The loop filter has a low-pass characteristic, which can play the role of the low-pass filter in Figure 1-5 (a). More importantly, it plays a decisive role in the adjustment of loop parameters. Th...[Details]
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This design is a wireless remote control switch system that can realize long-distance lighting control. It consists of two parts: the transmitting system and the receiving system. The system uses a...[Details]
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OnePlus has previously announced that it will hold an online press conference on April 15 to officially launch its first Snapdragon 870 flagship - OnePlus 9R. Recently, OnePlus’ official Weib...[Details]
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10 things to note when designing LED fluorescent lamps
At present, the LED fluorescent lamp market is very active, and manufacturers are mainly divided into three categories: the first cat...[Details]
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There has been constant speculation in the industry about whether BOE will provide OLED panels for Apple's iPhone 13 series. Korean media recently reported that BOE is expected to supply more than 15...[Details]
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Typical wet gas is untreated wellhead gas or partially treated natural gas. The purpose of measuring wet natural gas is to obtain gas flow, hydrocarbon flow and water content within a certain accuracy...[Details]
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LED (Light Emitting Diode) is a solid-state semiconductor device that can directly convert electricity into light. The heart of an LED is a semiconductor chip. When current acts on this chip thro...[Details]
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0 Introduction
As the global industry's requirements for power efficiency are getting higher and higher, power supplies including ATX power supplies and consumer electronics products requi...[Details]
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Whether it is ordinary consumer products or industrial machinery, vibration analysis is an essential step in the product design process. Design engineers need to understand and solve the impact of ...[Details]
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1 Introduction
There are two main ways to control the weakening magnetic field of permanent magnet synchronous motors, one is based on feedforward and the other is based on feedback. Feedforwa...[Details]
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If the CF card of SmartARM3250 cannot be used, please refer to the following steps to solve it. (1) Check whether the kernel version supports CF cards. Please check whether there are drivers/ide/ar...[Details]
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Led can be used as a tool for debugging programs: In the early stages of development of embedded system software, such as Bootloader and kernel, since hardware such as serial ports have not yet bee...[Details]
Analog electronics
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