Abstract: An efficient and reliable high-pressure sodium lamp electronic ballast based on variable frequency control is developed. The design of frequency modulatio
The traditional control system design is based on the known mathematical model of the system. Therefore, the quality of the control system has a lot to do with the accuracy of the mathematical mo
In order to solve the problems of irrational structure and environmental protection of the national energy industry, China began construction of the West-East Gas Pipeline project in 2000. After
2fae=ingLiUShanghai Ingesolan Retracting Machine Limited Division Real Speed Control Qiao Air Machine Ingersoll Rang N Old VANA Screw Air Compressor Does your factory use screw air compres
Engineering technology. Science and technology innovation report on the application of variable frequency screw air compressor in mine Du Xiufeng Kailuan Group Co., Ltd. Jinggezhuang Min
Design of On-line Monitoring System for Air Compressor under Frequency Conditions Wu Li Ma Junqi 2, Li Xiao Zhang Dong 1 1 School of Chemical Engineering, China University of Mining and Technolo
1 Reliability model of variable frequency constant pressure gas supply system. The speed regulation of the frequency converter realizes constant pressure air supply, reliable operation, constan
Nowadays, people's requirements for the comfort of work and living environment are getting higher and higher, which leads to the increasing popularity of air conditioners. At the same time, c
The current market presents a phenomenon of high energy consumption and high pollution. However, with the advancement of technology, the future inverter air compressors will be expecte
The advantage of frequency conversion speed regulation technology for fan pump speed regulation is to use the frequency conversion technology to adjust the fan pump speed to eliminate the
Determination of Excitation Force Inverter Scroll Compressor Noise Reduction Technology Analysis By using modal analysis and acoustic analysis methods, it is found that the pressure and vibratio
Innovative little fis high-tech domain water industry based on the distributed control system of air compressor variable frequency constant pressure gas supply transformation Zheng Dejin Sun Jia
In order to solve the problems of irrational structure and environmental protection of the national energy industry, China began construction of the West-East Gas Pipeline project in 2000. After
In the mid-1960s, A.schomlng and others in Germany proposed the idea of PWM frequency conversion, and applied the modulation technology used in the communication system to the frequency co
In the automation transformation of a coal mine air compressor in Jincheng, Shanxi, a set of variable frequency constant voltage monitoring system with various sensors, transmitters and actuator
The first 48-pulse dry-type rectified variable frequency speed-regulating transformer developed by TBEA Xinjiang Transformer Factory Box Change Co., Ltd. was qualified for one-time t
introduction As green environmental protection, energy conservation and emission reduction have gradually become the themes of the Chinese market
The type of chopping machine, minced meat, and the main raw material of fat
Recently, Dajing Pump Industrial Co., Ltd. of Taiwan developed a new generation of horizontal multi-stage centrifugal pump and computer variable frequency constant pressure pump, whi
The main components of the variable frequency speed control chopping machine are processed by machining center to ensure the processing accuracy. The file is made of imported materials and proce
As we all know, the variable frequency motor is a motor that operates continuously under the standard environmental conditions with a rated load of 100% to 100% within the ra
In recent years, with the increasing maturity of frequency conversion speed regulation technology, its remarkable energy-saving effect and reliable and stable control mode ha
The cooling load of the central air conditioner changes with the change of the ambient temperature and the us
1 Electromagnetic interference (EMI) analysis 1.1 Concepts and approaches of electromagnetic interference Electromagnetic interference is generated by
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