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Category 'Variable Speed Drives' - Technical Articles

The “Variable Speed Drives” category is dedicated to technical articles about application of VSDs in pumping, fans, air compressors and other motor speed control applications. Special attention is paid to VSD configuration, specification, schematics analysis and troubleshooting.

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Inside Variable Frequency Drive (VFD) Panel: Configuration, Schematics and Troubleshooting

Proper analysis of the VFD’s power and control circuit diagrams is essential for successful troubleshooting. But before starting any analysis, you must know how your system connected through VFD works and how it breathes. You must also know all components…...

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Jul 25, 2022 | By

Inside Variable Frequency Drive (VFD) panel: Configuration, schematics and troubleshooting
Electric Motor

Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications

This article addresses the Variable Frequency Drive (VFD) concept in several aspects that matter the most in selecting the proper VFD for applications. One of the important factors is the control type required for a given application since it is…...

Membership Upgrade Required

This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Upgrade
Already a member? Log in here

Jun 28, 2021 | By

Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications
Energy and Power

Line harmonic currents created by adjustable frequency control

Nonlinear loads like adjustable frequency controls create line harmonics when connected to the AC power distribution system. These harmonic currents are a result of non-sinusoidal current, which is a characteristic of all adjustable frequency controls using diodes or silicon controlled rectifiers (SCRs)… Read more

Nov 05, 2016 | By

Line harmonic currents created by adjustable frequency control


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