What are the key points for setting the PID function parameters of the inverter?

Fuji Electric has set forth its management philosophy of "Contributing to a Rich Society, Challenging the Limits of Creativity, and Developing in Harmony with the Natural Environment," and one of the pillars of its management policy is to contribute to the sustainable development of society through energy and environmental businesses. This article will focus on the energy sector ...

The people are the foundation of the country, the grain is the life of the people, diligence and thrift are the fine traditions of the Chinese nation, and food security is an important foundation for security. The current security situation at home and abroad is complex, and the sudden epidemic has made global food security face multiple challenges. October 16, 202010 is World Food Day, and the ...

Shanghai has issued a red high temperature warning for several days, and the temperature of 40.9°C has tied the highest record since 1873. The root cause of the continuous high temperature and heat wave events in many places in the northern hemisphere is believed to be the global warming trend. Global warming is happening at an unprecedented rate, and several ...

On March 16, 19, Fuji Electric Power Semiconductor Symposium was held in Guangzhou. More than 90 customers and agents from all over the country were invited. Fuji Electric looks forward to carrying out in-depth communication with you according to the publicity and education content of this seminar, so that everyone can have a good understanding of Fuji Electric.

During the epidemic, citizens need to have their body temperature measured when they enter communities, companies, and shopping malls, and there are many questions about infrared forehead thermometers, ear thermometers and other appliances. The reporter interviewed experts from the Metrology Department of the Shanghai Municipal Market Supervision Bureau on the issues that the public was concerned about, and answered some questions about the forehead thermometer ...

The frequency conversion speed regulation function of the inverter (hereinafter referred to as -VFD) is to convert the three-phase power frequency (50Hz) AC power supply (or any power supply) into a three-phase AC power supply with adjustable voltage and frequency. Frequency conversion speed control device can also be sometimes called VVVF, which is mainly used to adjust AC motors (asynchronous or synchronous machines).

Manual pipe-flange welding needs professional welders to weld, not only high cost, but also has problems such as low welding efficiency, unstable welding quality and high labor intensity, Jinan Jinluding Welding Technology Co., Ltd. developed H1440T series pipe-flange automatic welding can effectively solve the flange connection ...

【Question】What is the effect of carrier frequency on frequency converter and motor? 【Answer】1. The influence of carrier frequency on the output current of the frequency converter (1) The higher the operating frequency, the larger the duty cycle of the voltage wave, and the smaller the high-harmonic component of the current, that is, the higher the carrier frequency, the flattening of the current waveform.

Introduction to the main products and functions 1.1 Water supply frequency conversion cabinet (1) Ordinary water supply frequency conversion cabinet: this product can control a water pump motor frequency conversion water supply and a water pump motor power frequency water supply at the same time, and the power of the water pump motor is between 0.75KW and 5.5KW. The water supply capacity of the product can meet the needs of ...

Shanghai Jita Semiconductor, located in the Lingang New Area of Shanghai Free Trade Zone, has a total investment of 35.9 billion yuan to build an 8-inch production line with a monthly production capacity of 60,000 pieces and a 50,000-piece 12-inch characteristic process production line project, as well as a production base for 300mm semiconductor silicon wafers of Shanghai Xinsheng Semiconductor. Lingang 2 iconic semiconductors ...

On June 12, 2019, the 17th China International Environmental Protection Exhibition (CIEPEC2019) will be held at the China International Exhibition Center (Jing'an Zhuang Pavilion) in Beijing. More than 700 domestic and foreign exhibitors gathered together to showcase their environmental protection technologies and products. ...

An electric energy control device is used in many industries, which can play a good role in energy saving. In the process of using the inverter, there will be noise and vibration problems, so what are the causes of these problems? And how to deal with it? Below the small ...

On November 26, the instrumentation industry is an industry with a high degree of integration of manufacturing and informatization, and it is also one of the most typical industries for the development of high-tech industries. "On November 26, the 2020 Instrumentation Industry Development Summit was held in Shangyu District, Shaoxing City, Zhejiang Province.

1. The working principle of Fujifilm ultrasonic flowmeter A complete set of Fujifilm ultrasonic flowmeter is composed of ultrasonic generator, ultrasonic receiver, electronic circuit, flow display, accumulation system and other structures. The principle of ultrasonic flowmeter is shown in Figure 1. As you can see from Figure 1, ...

The localization of high-end instruments has always been the weakness of the domestic equipment manufacturing industry. At this year's National People's Congress, this topic was raised by many deputies and committee members and triggered widespread comments. What is the current situation of the development of the instrumentation profession? How to break the high-end scientific instrument mall by foreign manufacturers for a long time...

DN20 Turbine Flowmeter Description—It has the characteristics of simple structure, high measurement accuracy, long service life, simple operation and easy maintenance. It is widely used in metallurgy, chemical industry, petroleum, urban construction, environmental protection, food and other fields. 1. Technical parameters: Executive standard: Turbine flow sensor (JB...

Fuji flow meters have a long history of excellence in the industry, with a wide range of measurement principles to choose from, and seamless system integration into user systems, Fuji flow meters are used in a wide range of industries. The following is an explanation of the environment that should be avoided when installing a Fujifilm flow meter. ...

Fuji Electric Corporation (headquartered in Tokyo, Japan, President Mitsuhiro Kitazawa) is pleased to announce the addition of a 1200 V rated voltage to its discrete IGBT*1 XS series line, providing industry-leading low losses. As the world moves closer and closer to achieving a low-carbon society, ...

The frequency converter is a device that converts power frequency power into frequency conversion power supply, which is between power frequency power supply and power equipment. The frequency converter is a typical power electronic device, and its hardware core is power electronic components and microprocessor chips. Power electronic components, input and output copper bars and front-end ...

The circuit board of the inverter mainly includes the power board, the control board, the driver board and the panel. 1. Resistance Resistors are represented by the letter R on the circuit board in ohms (Ω), kiloohms (K Ω), and megaohms (MΩ) The resistor symbol indicates: 1. According to the resistance value characteristics, it can be divided into fixed resistance ...