Electric Motor
The essentials of pumping, pump speed and flow rate control that engineers MUST know
Around twenty five percent of the energy that is consumed by electric motors worldwide is accounted for by pumping systems, and certain industrial facilities use anywhere from twenty-five to fifty… Read more
Mar 13, 2023 | By Edvard
Electric Motor
Six different ways to start a medium-voltage motor you should know about
The AC induction motor is a key component of the modern world economy. These motors are used in industrial facilities all over the world to power the equipment that boosts… Read more
Jan 02, 2023 | By Edvard
Premium Content ♛
Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
Did you know? - Save 50% on all video courses by purchasing Enterprise plan.
Log In »Purchase »
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…...
Premium Membership Required
This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
Did you know? - Save 50% on all video courses by purchasing Enterprise plan.
Log In »Purchase »
Jul 25, 2022 | By Mohammed Ayman
Electric Motor ♛
Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
Did you know? - Save 50% on all video courses by purchasing Enterprise plan.
Log In »Purchase »
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…...
Premium Membership Required
This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
Did you know? - Save 50% on all video courses by purchasing Enterprise plan.
Log In »Purchase »
Jun 28, 2021 | By Salem Alshahrani
Electric Motor
The essentials of electrical systems in cement plants
Many young engineers consider cement plants pretty complicated because of their weird technology. The reason probably lies in the fact that you cannot understand all those technologies unless you worked… Read more
Sep 14, 2020 | By Edvard
Industrial Automation
Precautions for start and stop control of AC drives and problems that might arise
The protection of the mains supply side of the converter requires a short-circuit protection. This can be, either in the form of a set of adequately rated fuses, usually as… Read more
Oct 18, 2017 | By Edvard
Electric Motor
Practical checks for motor selection on AC adjustable speed drive systems
Important checks to consider in the motor selection for AC adjustable speed drive system: Determine motor enclosure requirements Determine motor torque and speed requirements: Operating speed range Breakaway torque Determine… Read more
Feb 10, 2017 | By Edvard
Electric Motor
Main features that make AC drive the leading motor control method
We can confidently say that the AC drive is the leading motor control method. This technical article deals with a closer look at the different features of the AC drive, and… Read more
Dec 23, 2016 | By Edvard
Energy and Power
Thumb rules for installing AC converter into metal enclosure
If the environmental conditions are likely to exceed normal working ranges of an AC converter, then arrangements should be made to provide additional cooling and/or environmental protection. The temperature limits… Read more
Dec 19, 2016 | By Edvard
Electric Motor
Sizing of motors and frequency converters for a particular machine load
Manufacturers of electric motors and frequency converters have evolved various methods for quickly selecting the size of motors and frequency converters for a particular machine load. The same basic procedure… Read more
Dec 12, 2016 | By Edvard
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… Read more
Nov 05, 2016 | By Edvard
Energy Efficiency
Three applications where variable speed drive really rocks!
Many industrial sectors have discovered the benefits of using variable speed drive (VSD) control in a wide variety of applications. Businesses in the commercial and public sectors can also utilise… Read more
Aug 03, 2016 | By Edvard
Energy Efficiency
Here is why you MUST use variable speed drives in pumping applications
Pumping applications represent a significant opportunity for applying variable speed drives (VSDs) in new, as well as retrofit installations. The majority of pumping applications need to be controlled. It is… Read more
Mar 26, 2016 | By Edvard
Industrial Automation
What size of a frequency converter do I need? (4 methods to find out)
When determining the rating of a frequency converter at a given load the first step is to consider the load characteristics. There are four different methods for calculating the required… Read more
Feb 22, 2016 | By Edvard
Electric Motor
Comparison of 4 Different Flow Control Methods Of Pumps
When in use, the pumps are always part of a pumping system. A pumping system is usually a network of pipes, tanks, valves and other system parts. The receiver is… Read more
Nov 27, 2015 | By Edvard
