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Technical Articles

Yaskawa America, Inc. - Drives Division has published these technical articles:

(Machine and Motion Controllers)
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Deciding which setup is right for a common bus takes research and evaluation, but selecting and implementing the right one significantly improves design performance and efficiency....
(Motor Controls and Drives)
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TSA Manufacturing in Omaha, Neb., provides steel products and services to the construction, precast concrete, and structural steel markets. One machine-a thread roller that makes long steel threaded...
(Motor Controls and Drives)
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Conventional variable speed drives offer control for motor speeds. New advancements in their configuration look to simplify the process....
(Motor Controls and Drives)
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This paper revisits a non regenerative active front end system that has been studied in the past but offers significant improvements to make it acceptable to the drives industry. A three-phase current...
(Motor Controls and Drives)
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The process of wire drawing has in effect changed very little over the years. It uses a combination of a die and/or a series of dies to draw wire to a selected gauge. Drawn wire is in many...
(Motor Controls and Drives)
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An auto-tune helps a variable frequency drive (VFD) control the motor with specific motor settings, and there are many ways to get the best results for a specific setting and situation. See five...
(Motor Controls and Drives)
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This is the first part of a series that discusses how VFD technology has become a common feature in compressors where the focus is on production efficiency and energy savings....
(Motors)
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For machine control and other applications, controlling motor speed with variable frequency drives can save energy, but it's not as easy as just adding a VFD. What else needs to be considered for...
(Motor Controls and Drives)
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Medium Voltage VFDs Provide an Ideal Solution for Many Facilities: White Paper Case Study of MV1000 Installation at Municipal Authority of Westmoreland County (MAWC) near Pittsburgh, PA...
(Motor Controls and Drives)
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Regardless of whether they are used in processing plants or in discrete manufacturing, commercial, municipal, or institutional facilities-motors that are started across the line require large amounts...
(Motor Controls and Drives)
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Flow control enhances efficiency and energy savings....
(Motor Controls and Drives)
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Many organizations want to save energy because of increasing costs for electric power. Costs for electricity vary widely across the U.S., with most utility rates rising steadily for a variety of...
(Motor Controls and Drives)
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The VFD converts the AC voltage from the power company into a DC voltage it can better regulate. Then it takes the DC voltage and inverts it back into AC....
(Motor Controls and Drives)
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Making use of the inputs and outputs on a VFD can prove very beneficial to an application....
(Motors)
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Upgrade your next machine design with servo motors to decrease downtime, decrease footprint, increase throughput, make equipment last longer, and provide better diagnostics....
(Motor Controls and Drives)
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Drives with embedded pump functions can provide advantages....
(Motor Controls and Drives)
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Understand the advantages of multi-level output drive topology in medium voltage (MV) motor applications. Motor insulation reliability and reflected waves: What to consider when selecting a variable...
(Motors)
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While each has its place in HVAC applications, electronically commutated motors and variable frequency drives have important differences in simplicity, flexibility, cost and other factors...
(Motor Controls and Drives)
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Motors account for at least half of the energy consumed in the U.S. Selecting the right control method for an application lets the motor run most efficiently while maximizing torque and overall...
(Motor Controls and Drives)
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Specifics of how variable frequency drives (VFDs) operate and ways to simplify their installation and setup....
(Power Supplies)
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Input current imbalances happen when a variable frequency drive (VFD) with a full-bridge rectifier operates under lightly loaded conditions....
(Motor Controls and Drives)
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Variable frequency drives (VFD) are becoming more common place and more widely used in applications. They are capable of varying the output speed of a motor without the need for mechanical pulleys,...
(Motor Controls and Drives)
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By using an Industrial Internet of Things (IIoT) gateway, or a remotely-controlled PC, critical how-to skill-based training can be made available to engineering students anywhere there's an Internet...
(Motor Controls and Drives)
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Automatic retry can double the noise immunity of real-time industrial Ethernet-based motion networks....
(Process Controllers)
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Designers of real-time motion control systems expect Ethernet-based motion networks to transport cyclic command and feedback data at specified intervals with perfect data integrity. The designer's...
(Motor Controls and Drives)
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Both are safe and reliable, and neither is superior or inferior to the other Yaskawa Since as early as the 1990s, there have been questions, discussions, and application notes on the topic of using a...
(Motors)
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A permanent magnet (PM) motor requires a variable frequency drive (VFD) to operate effectively. See motor comparison table, induction motor vs. PM torque curve, and VFD programming and tuning advice....
(Motor Controls and Drives)
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Metro Irrigation Supply successfully installed a Gicon pump station at a local high school football field and reduced energy consumption by utilizing Yaskawa iQpump1000 variable speed drives....
(Motor Controls and Drives)
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Short-circuit current ratings is a number you need to heed....
(Motor Controls and Drives)
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Variable frequency drives (VFD) are reliable electronic devices that control three-phase electric motor speed. They are used in building automation, industrial, pumping, agricultural, irrigation, and...
(Motor Controls and Drives)
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In order to accomplish the advances in industrial automation, leading edge processors are incorporating variable frequency drives....
(Motor Controls and Drives)
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Trap filters are a common solution for managing drive harmonics, but matrix drives can provide additional benefits for the user without the need for peripheral equipment and costs....
(Motor Controls and Drives)
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The article "Matrix drives reduce energy consumption for transporter system" by Mike Grant, an engineer at Yaskawa, appeared on Control Engineering's website. The article goes into how Yaskawa...
(Motor Controls and Drives)
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Software tools for variable frequency drives (VFDs) were the topic of a November 16 Control Engineering webcast. After the presentation, the presenter answered questions from the audience in a live...
(Motor Controls and Drives)
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Industrial energy efficiency is important for machine design as measurements for motor and drive efficiencies show....
(Motors)
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Review three basic concepts of induction motors. Explore electrical concepts involved in induction motor design....
(Motor Controls and Drives)
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Understand the advantages of 36-pulse input drive topology in medium-voltage (MV) motor applications and how medium-voltage VFD design mitigates harmonics and improves power quality....
(Motor Controls and Drives)
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Variable frequency drives have an incredible amount of functionality. Due to advancements in technology over the years, HMIs in the form of VFD keypads have become more user friendly with easier...
(Motor Controls and Drives)
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A prepackaged chiller retrofit cuts energy costs by 30%, reduces required maintenance, and extends operating life at Duke Realty Corp.'s 19-story office building in Clayton, Mo....
(Motor Controls and Drives)
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Imagine you are a surgeon in the middle of a major operation. Suddenly, one of the variable-frequency drives (VFDs) in your operating-room air-handling system develops a fault and stops running,...
(Motor Controls and Drives)
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Learning objectives Understand fan arrays. Learn how VFDs can operate fan arrays. Understand how to best maintain controlled airflow in a critical operation incorporating VFDs and fan arrays....
(Motor Controls and Drives)
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When an electric motor is driven by a variable frequency drive (VFD), electric power delivered to the motor is regenerated while the motor decelerates by applying negative torque to the motor shaft....
(Motor Controls and Drives)
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Make the right choice to drive electrical efficiency....
(Motor Controls and Drives)
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Greater operational efficiency is required in manufacturing today and it requires a comprehensive look at everything, starting with how things are purchased. See four clarifications on consolidated...
(Motor Controls and Drives)
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Select the right oscilloscope to fit a variable frequency drive (VFD) application. Consider scope types, probes, and options. See eight factors to consider when choosing an oscilloscope....
(Motor Controls and Drives)
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Precise speed control of AC motors is typically accomplished with a variable frequency drive (VFD) connected to a speed or position feedback sensor. In certain situations, however, it's possible to...
(Motor Controls and Drives)
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Join Yaskawa Product Manager, Michael Hall, for a Control Engineering webcast examining six software products with features that simplify your work with VFDs....
(Motor Controls and Drives)
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A building automation system (BAS) is only as smart as the devices that are connected to it....
(Motor Controls and Drives)
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Additional answers provide more details about smartphone programming for variable frequency drives (VFDs)....
(Motor Controls and Drives)
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Although VFD manufacturers have made many advances in terms of ease of use, some users still find programming and monitoring with a 2-inch display tedious. This is where VFD programming and monitoring...
(Motor Controls and Drives)
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Learn the terminology used to describe VFD internal operations and external interfaces - and you'll understand their application more thoroughly....
(Motor Controls and Drives)
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Providing cost, space, and energy efficiency for VFD applications....
(Motor Controls and Drives)
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Variable frequency drive (VFD) development is shifting focus away from general-purpose motor controls that are already meeting market demands toward reduced installation costs....
(Process Controllers)
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This alternative technology is ideal for petrochemical applications....
(Motor Controls and Drives)
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Programming variable frequency drives (VFDs) to fit most industrial applications require only the most basic settings to operate the motor. Understand these 5 VFD parameter changes to optimize VFD...
(Motor Controls and Drives)
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Before you rip that variable frequency drive (VFD) off the wall and send it in for a rebuild, stop. Some simple checks diagnose a VFD in moments. Here's how to make the necessary inspections with a...
(Motor Controls and Drives)
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A permanent magnet motor is an ac motor that uses magnets imbedded into or attached to the surface of the motor's rotor. This article provides understanding behind the terminology, concepts, theory,...
(Motor Controls and Drives)
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Four different case studies explain how understanding the system is important for troubleshooting....
(Motor Controls and Drives)
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Variable Frequency Drives (VFDs) store a plethora of information that can be easily accessed. Regardless of the connection method, traditional fieldbus or Industrial Ethernet, the main objective can...
(Motor Controls and Drives)
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There's a lot to know behind the process of replacing a drive....
(Motor Controls and Drives)
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Controlling Multiple Motors with One VFD Saves Money and Space...
(Machine and Motion Controllers)
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An influent pump station in Washington incorporated control technology that improved system efficiency and energy savings....
(Motor Controls and Drives)
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Advanced VFD technology delivers cost and space savings by providing protective features and minimal programming....
(Motors)
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Variable frequency drive (VFD) vocabulary words: These 50 terms can help properly apply VFDs....
(Motor Controls and Drives)
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With the current state of the internet and the interconnectivity of devices and equipment, it is in the best interest of any company that wants to optimize the productivity of their associates tasked...