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On July 7, Yingtang Zhikong, which is introducing state-owned capital, disclosed its 2019 semi-annual performance forecast. The company expects to make a profit of 113 million yuan to 135 million yua...[Details]
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The Kenhardt project, which cost about $1 billion and outperformed fossil fuels in a competitive tender, will have 540MW of solar and 225MW/1,140MWh of battery storage.
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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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1. Embedded Linux character device driver framework People who write applications should not look at circuit diagrams, but how to operate the hardware: calling open, read, write, etc. in the driver p...[Details]
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I have been testing the BYD e2 electric car for a long time these days. One day, after I parked the car, a message popped up on the big screen: "The vehicle version can be upgraded to V1.0 without da...[Details]
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The microcontroller source program is as follows: Wendu.h (header file) #define jump_ROM 0xCC //ds18B20 definition #define start 0x44 #define read_EEROM 0xBE void delay(unsigned int N); void delay_1...[Details]
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Advantages of LED lighting
High energy saving: Energy saving and pollution-free are environmentally friendly. DC drive, ultra-low power consumption (single tube 0.03 watt-1 watt), e...[Details]
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This article describes a simple LED oscilloscope circuit that can be used to analyze low-frequency waveforms with a 10 x 10 LED matrix display. Since there are only 100 LEDs involved in the display b...[Details]
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Q: When using instruments on site to control closing and opening operations, the switch does not move? A: The on-site closing and opening control wiring is incorrect or caused by the control loop. Fi...[Details]
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Purpose The waveform displayed by the oscilloscope is as follows, and the phase difference between the two columns of signals needs to be obtained through MATLAB processing. step Insert the USB fla...[Details]
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Linear Technology Corporation introduces the LTM8029, a 5uA quiescent current DC/DC step-down micromodule (µModule®) regulator with very low dropout voltage and wide input and output operating volt...[Details]
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Fluke 114, 116 and 117 digital multimeters (DMMs) are designed to make electrical measurements safer, easier and more reliable. This application note explains what dual impedance and voltage sensing ...[Details]
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The radar in radar level meter is the abbreviation of Radio Detection and Raging. Because it emits microwaves to the target to calculate the level distance, it is also called microwave level meter. U...[Details]
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On the morning of May 26, according to a report by Nikkei Asia, due to the impact of a new wave of COVID-19, Apple suppliers in China are behind schedule in the production of a certain model in...[Details]
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Electric vehicles (EVs) are the future of mobility, but the biggest barriers to mass consumer adoption are range anxiety and price. While using a larger battery would be the obvious solution to inc...[Details]