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1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
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The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
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introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
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The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
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As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
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illustrate]
This method has
the characteristics of small
ROM
occupation
and fast operation speed, with a range of
2000
ßà
2099
,
a total of
...[Details]
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When you are sitting in the subway train, feeling the convenience and comfort brought by the underground rail train, at this time, in the control center, the "brain" of the subway, a group of people a...[Details]
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One of the most common requirements of the automotive industry for automotive electronic systems is to achieve the best detection results in the smallest space. This is exactly the advantage of shunt ...[Details]
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Two typical electric vehicle flasher circuits are given, and the parameters and specific instructions in the circuit are given. I hope it will be helpful to you!
1. This circuit consists of an...[Details]
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Electrolyte is one of the core materials that constitute the capacity of lithium secondary batteries and lithium primary batteries that are the energy sources of mobile phones, notebooks, video rec...[Details]
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High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
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The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]
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1. Introduction
Power flow calculation is the basis for studying steady-state problems of power systems. Since the application of computers to calculate power flow distribution in power sy...[Details]
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Sensors of all types have evolved greatly over the past few years and are much more accurate and stable than their predecessors. Sometimes, these sensors are not easy to use.
Designers of cond...[Details]
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1 Introduction
Fieldbus technology is one of the hot spots in the development of automation today, and is an important technology for realizing industrial control networking. Many automation c...[Details]