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Variable Frequency Drive fault judgment
Aug 04 , 2022

How to judge the fault of the Variable Frequency Drive? 1. The rectifier module is damaged Usually caused by grid voltage or internal short circuit. Replace the rectifier bridge after eliminating the internal short circuit. When dealing with faults on site, focus on checking the user grid conditions, such as grid voltage, whether there are electric welding machines and other equipment that pollute...

Tags : High-performance VFD Economic VFD General purpose VFD
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Vfd manufacturers share the precautions for installing vfd
Aug 04 , 2022

The application of frequency converter in industrial production is very important. In addition to speed regulation and soft start, the most important thing is that it can save energy. At present, with the continuous improvement of industrial automation, frequency converters have also been widely used. Recently, many customers have inquired about the precautions when installing the inverter. The fo...

Tags : Middle voltage VFD High-performance VFD General purpose VFD
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Converting single-phase power to three-phase VFD
Jul 22 , 2022

Convert Single Phase VFD to Three Phase VFD A common question we get asked about is phase conversion: Can a variable frequency drive (VFD) convert my single-phase power supply to run a three-phase motor? Single-phase AC power is common in many residential and agricultural settings, but can also be seen in some industrial locations. It usually has only two phases (L1 and L2) and possibly a neu...

Tags : Single Phase VFD Three Phase VFD VFD drive
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Mistakes that reduce the life of your VFD
Jul 22 , 2022

The environment in which the drive is stored should be kept cool, clean and dry. But what if you already have a VFD? When talking to one of our field engineers about a customer who has a VFD, I asked what was the biggest mistake made while maintaining this equipment? Based on all the advice he gave, I would like to remind you that only qualified personnel should work on electrical panels. Also, th...

Tags : variable frequency inverter frequency inverter AC drive
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Notes on VFD Warranty
Jul 22 , 2022

Importance of Warranty When shopping for a low-voltage variable frequency drive (VFD), be sure to review the warranty for each option you consider. You may wish to never need a warranty, but when a defect occurs, warranties are good and they can help you repair or replace your device. Below are some of the biggest considerations and mistakes common to customers that lead to VFDs being rejected in ...

Tags : frequency inverter manufacturer variable speed drive supplier low-voltage variable frequency drive
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How to protect the VFD if it is not used for a long time?
Jul 22 , 2022

VFD in reserved storage Many applications using variable frequency drives (VFDs) are critical and cannot afford extended downtime. Many people choose to keep a spare VFD on the shelf so that it can be switched when needed. However, if you're not careful, the VFD may not work when you need it. Here are a few things to look out for to ensure your spare VFD is ready to be taken out of long-term stora...

Tags : variable frequency drives variable frequency drives service medium voltage VFDs
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Maintenance Precautions for Medium Voltage VFD
Jun 16 , 2022

In the fault handling of the medium voltage VFD, the key to effectively improving the operation of the equipment is to be able to quickly determine the location of the equipment fault and deal with it effectively. Although hazards vary by site and application, there are many things to consider when attempting to perform electrical maintenance. Medium voltage (MV) equipment poses an even greater ri...

Tags : medium voltage VFD VFD medium voltage ac drive
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Why use a variable frequency drive VFD?
Jun 16 , 2022

1. Reduce energy consumption and energy costs If your application does not require full speed operation, you can reduce energy costs by using a variable frequency drive to control the motor, which is one of the advantages of variable frequency drives. VFDs allow you to match the speed of motor-driven equipment to load requirements. No other AC motor control method will allow you to achieve this. 2...

Tags : variable frequency drives AC variable frequency drives VFD
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What is a variable frequency drive?
Jun 16 , 2022

Variable frequency drive (VFD) is the application of frequency conversion technology and microelectronics technology to control the electric drive components of AC motors by changing the frequency and amplitude of the working power supply of the motor. The frequency conversion technology was born under the wide demand of the stepless speed regulation of the AC motor due to the large volume, high f...

Tags : variable frequency drive variable speed drives AC drives
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5 ways to choose a variable frequency drive
Nov 08 , 2021

When choosing a variable frequency drive (VFD), six factors you should take into consideration to ensure that you specify the correct AC drive for your application. Full Load Amperage the first decision to make when choosing a VFD is making sure the drive can handle the motors current demands. Check the motor nameplate for the Full Load Current requirement, then find a drive that’s rated for at le...

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