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The frequency converter is a power electronic device that can convert fixed-frequency AC power into adjustable-frequency AC power, thereby achieving speed regulation and control of the motor.
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1. Instrument Model SR830 Lock-in Amplifier 2. Fault phenomenon The instrument can be turned on normally but cannot measure data 3. Testing process According to the customer's description, the inst...[Details]
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QD Vision, a leader in quantum dot technology for QLED displays, today announced a new round of funding from Tsing Capital and BASF Venture Capital GmbH. These two well-known investment companies...[Details]
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The registration for the first "Core Innovation Cup" Future Automotive Human-Computer Interaction Design Competition for Colleges and Universities, jointly sponsored by the Automotive Electronics Ind...[Details]
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The concepts of active and passive inverters mainly involve the types of components used inside the inverter and their impact on the way the motor is driven and controlled.
1. Frequency Conver...[Details]
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According to China Electronics News, Beijing Yuanxin Carbon-based Integrated Circuit Research Institute announced yesterday (26) that the team led by Chinese Academy of Sciences academician and Pekin...[Details]
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A few days ago, EEtimes reported the preliminary results of UBM TechInsights' disassembly and analysis of the Nintendo 3DS handheld. At that time, UBM TechInsights said that Fujitsu FCRAM was found...[Details]
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1 Introduction
In complex on-site industrial environments, it is sometimes necessary to back up on-site working equipment and provide a set of equipment that is exactly the same as the working equi...[Details]
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The moisture meter is an instrument that can detect the moisture content in various organic and inorganic solids, liquids, gases and other samples, while the rapid moisture meter is a new type of r...[Details]
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On July 18, news from the " BYD Procurement and Supply Management" WeChat public account showed that "BYD Group plans to conduct an open recruitment of suppliers for large cylindrical battery fully a...[Details]
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Four tech companies - Apple, Facebook, Google and Amazon - have been the subject of an ongoing antitrust investigation by the U.S. House of Representatives Judiciary's antitrust subcommittee. Recen...[Details]
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Pressure and bubble testing are not accurate enough Until now, most containers for liquids in cars and motorcycles have been tested for leaks in a water tank or by the pressure decay method. Although...[Details]
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Android 11 Beta 1 was released yesterday, and OPPO quickly announced that its Find X2 series will start trying out this version. Interestingly, Xiaomi’s MIUI official Twitter account also announced t...[Details]
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1. Research status of single-phase grounding fault in small current grounding system
There are many methods for selecting lines for small current grounding adopted at home and abroad, whic...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]