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summary:
The security power supply is set up to ensure that the unit can be shut down smoothly when the whole plant is out of power. It mainly provides power for steam turbines, feed w...[Details]
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Abstract: This paper introduces the brushless DC motor and its control method used in photovoltaic water pump system. The DC brushless motor is controlled by Motorola's MC68HC908JK3ECP microcontr...[Details]
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A sweeping robot, also known as an automatic sweeper, smart vacuum cleaner, robot vacuum cleaner, etc., is a type of smart home appliance that can automatically clean the floor in the room with a...[Details]
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In order to fully implement General Secretary Xi Jinping's proposal to incorporate carbon peak and carbon neutrality into the overall layout of ecological civilization construction and achieve the str...[Details]
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Stuttgart, Germany – Bosch and Mercedes- Benz have jointly reached a new milestone in the field of autonomous driving : The two companies have received approval from the German Federal Motor Transpor...[Details]
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Concept of three-phase motor control circuit
The three-phase motor control circuit is an electrical device used to control the start, stop and direction of the three-phase motor. According to ...[Details]
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According to news released by Xi'an, equipment installation and purchase are in progress for the second phase of the second phase of Samsung (China) Semiconductor Co., Ltd.'s 12-inch flash memory chi...[Details]
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There are a series of problems with the current LED bulb shades
1. The glass lampshade is fragile;
2. The light transmittance of the transparent PC plus frosted lampshade is low (only 80-89...[Details]
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1. Effect display 2. Materials used 1.16X16 dot matrix Proteus does not provide 16X16 dot matrix, we can only assemble 4 8X8 into 16X16 dot matrix by ourselves. From this we can see that 8*8 be...[Details]
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On April 1, it was learned from the Northwest Branch of State Grid that in 2018, the Northwest Electric Power Control Center selected some new energy plants and stations in the Tianzhong, Qishao an...[Details]
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In order to prevent the problem of using excessive brightness to improve the energy efficiency index, the Chinese standard not only introduces brightness parameters, but also clearly puts forward a...[Details]
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Abstract: This paper introduces a discharge system using IGBT power devices, PWM control and constantan resistance alloy as the discharge resistor. The discharge current is continuously adjustab...[Details]
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On June 4, Xiaomi Youpin launched a Haylou Solar smartwatch, which has a metal body, supports 12 sports modes, monitors heart rate all day, and has a 30-day standby time. The price is only 179...[Details]
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At the beginning of 2015, the country reiterated the One Belt One Road strategy while vigorously developing the Asian Development Bank. At present, my country is planning and building the Central A...[Details]
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Electric vehicles (EVs) and hybrid electric vehicles (HEVs) are rapidly taking over the automotive market, and with these new vehicles comes an increased need for onboard and off-board charging sys...[Details]