Why Does a VFD Trip on Overvoltage During Deceleration?
2026-08-07
Why Does a VFD Trip on Overvoltage During Deceleration? Have you ever noticed that a motor runs normally during acceleration and constant-speed operation, but the VFD trips on Overvoltage as soon as the motor starts to decelerate? Why does this happen? When a motor is running at high speed, the ...
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Why Does a Variable Frequency Drive (VFD) Need a Reactor?
2026-07-30
When selecting a Variable Frequency Drive (VFD), many customers focus on power rating, voltage, and control mode. However, one important component is often overlooked—the reactor. So, what exactly does a reactor do, and when should you install one? Let's take a closer look. What Is a Reactor? A ...
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Beyond VFDs: What More Can ZFENG Electric Provide for Your Industrial Automation Needs?
2026-07-27
Beyond VFDs: What More Can ZFENG Electric Provide for Your Industrial Automation Needs? When people think about variable frequency drives (VFDs), they usually think about speed control and energy saving. However, in modern industrial applications, a VFD is often only one part of a complete motor ...
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Why We Choose Diode Rectifiers Instead of SCR Rectifiers in Our High-Power VFDs
2026-07-22
When discussing high-power Variable Frequency Drives (VFDs), some customers ask: "Why don't you use an SCR-based rectifier?" The answer is simple: our priority is to provide a VFD that is reliable, efficient, and easy to maintain—especially for export markets. Reliability Comes First A diode bridge ...
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How Variable Frequency Drives Help Industries Reduce Energy Consumption and Improve Operational Efficiency Published: J
2026-06-29
As global industries continue to focus on energy conservation and sustainable manufacturing, improving motor efficiency has become a key priority for factories and industrial facilities. Since electric motors account for a significant portion of industrial electricity consumption, optimizing motor ...
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