In the working process of a sin
According to monitor
In addition to the installation and commissioning of the frequency converter, in addition to strictly following the requirements of the operating instructions, t
With the development of power electronics, microelectronics and control theory, inverters have been widely used in AC motor speed control. "Variable speed" has become almost sy
Section III HARSVERT-VA Series Features and Applications In the previous two series of articles, the background knowledge of the HARSVERT-VA series of speed-sensorless vecto
Abstract: This article describes the application of Siemens full communication system on ship unloaders and how to achieve Siemens AC drives to achieve speed synchronization and curr
Abstract : This paper analyzes the process and reliability requirements of 600 MW thermal power unit double-induced fan, and introduces the technical scheme and energy-saving of the
Abstract : This paper introduces the reform plan of high-voltage frequency converter used in coal mine underground air compressor of Henan Hebi Zhongtai Mining Co., Ltd.; introduces
Danfoss, as the world's leading supplier of refrigeration control equipment, has been committed to new technologies and new applications for system energy saving and optimizati
The methods for solving the synchronization of operating equipment mainly include servo motors, stepping motors, mechanical linkage, and inverter-driven ordinary asynchronous motors. Ser
1. I think that the principle of soft-start is to use solid-state relays (or triacs), through phase-shift triggering (or zero-crossing triggering), Motor speed regulation. The
The basic difference between transistor inverter power supply and high frequency variable frequency power supply From the aspect of appearance, the size and weight of the t
What is variable frequency power supply After the AC-DC-AC conversion double inverter power supply is called variable frequency power supply, it is different from the
Today, looking at home appliance stores,
In 2012, under the overall dow
Beginning in September, a new round of “new-for-new” activities for new-day electric vehicles has also begun slowly. After harvesting the hot and high exchange v
Sentry VF Metal Detectors truly have variable frequency detection capability, eliminating the limitations of a single frequency and providing higher sensitivity
Not long ago, ZJ70DB1 AC variable frequency drilling rig, ZJ30DBT trailer-mounted AC variable frequency drilling rig and ZJ50DB AC variable frequency drilling rig d
On January 6, the ZJ70DB1 AC variable frequency drilling rig, ZJ30DBT trailer-mounted AC variable frequency drilling rig and ZJ50DB AC variable frequency drilling r
1 Introduction In the AC motor frequency control, the PWM control has been widely used, among which the classic sine pulse width modulation (SP-WM), which mainly focuses on making the output vol
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 m
The frequency conversion hot porcelain tile is no stranger to us, because it can change the speed of heat, so it has been praised by consumers, but the recent spread of the Internet on the freque
Through the concerted efforts of the market operations department, technical quality department, and manufacturing department of the special electrical company, the
Introduction: Xiao Bian as an outsider after reading the following content finally understand what is the frequency conversion machine, the s
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