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与电励磁同步相比，永磁同步电机具有结构简单，运行可靠；体积小，质量轻；损耗小，效率高；电机的形状和尺寸可以灵活多样等显著优点。
它不仅可以部分替代传统的电励磁同步电机，而且可以实现电励磁同步电机难以达到的高性能。
目前，永磁同步电机以其结构简单紧凑，功率密度、转矩密度、效率和高，控制性能好等诸多优势，在工农业生产、国防、航空航天、、、电动汽车等领域得到越来越广泛的应用。
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In the field of testing and maintenance of structured cabling, they can be divided into three categories according to the test functions they perform: verification testing, identification testing and...[Details]
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1. The inverter external switch controls the forward and reverse circuits
2. Power on the inverter (press button SB2 to form a self-locking circuit)
3. Forward control (switch...[Details]
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1 Basic principle of TIM1 measuring PWM waveform The basic idea of measuring PWM as shown in the figure above is as follows: start counting at each rising edge, record the current value as the h...[Details]
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ATmega32 must first initialize USART before communicating. The initialization process usually includes setting the baud rate, setting the frame structure, and enabling the receiver or transmitter as ...[Details]
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introduction
With the development of microelectronics and computer technology, the original electrical equipment, which was mainly based on strong electricity and electrical appliances and had...[Details]
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Conductivity meter is an instrument suitable for precise measurement of various liquid media . It is mainly used to precisely measure the conductivity value of liquid media. The product is widely use...[Details]
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In recent years, the downstream connector markets such as communications, transportation, and consumer electronics have achieved rapid growth, directly driving a sharp increase in demand for connecto...[Details]
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Ten years ago, no one would have thought that modern people would connect the world with smartphones and tablets. With the booming development of broadband networks, information technology...[Details]
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The voltage on C1 in the figure is the voltage after bridge rectification. Rs1 samples the current flowing through the MOS tube and performs cycle-by-cycle current limiting control to prevent the cur...[Details]
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Chengjingxincai〔2022〕No.16
To the competent departments of industry and information technology (energy), development and reform departments, finance departments, and relevant units (enterprise...[Details]
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The 16th "China Core" Integrated Circuit Industry Promotion Conference was grandly held On December 20, the 2021 16th "China Core" Integrated Circuit Industry Promotion Conference and the "China...[Details]
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2021 will be the first year for silicon carbide to explode. 2022 will be the first year for 800V to explode. In October, the Wall Street Journal reported that the global automotive industry is inve...[Details]
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How does PLC control servo motors?
Before answering this question, we must first understand the purpose of servo motors. Compared with ordinary motors, servo motors are mainly used for precise...[Details]
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The electromagnetic speed regulating motor speed regulator does not respond, there may be the following reasons:
Power failure: unstable power supply voltage, poor contact of power supply line...[Details]
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