AC Adjustable-Speed Drive Product Research (November 2007)

Research was undertaken to gain a better understanding of Control Engineering subscribers’ applications and needs regarding AC Adjustable-Speed Drives.

12/04/2007


Research was undertaken to gain a better understanding of Control Engineering subscribers’ applications and needs regarding AC Adjustable-Speed Drives.

Executive Summary
• Among those who specify, recommend, or buy AC Adjustable-Speed Drives, 76% do so for in-plant requirements, while 43% do this for OEM needs.
• Almost half of respondents mentioned pumps, fans, and blowers combine as the primary application for AC adjustable-speed drives.
• Almost 90% of respondents use Voltz/Hertz (open loop) AC drives. A little over half are using sensorless vector control.
• A little over two-thirds of respondents mentioned simple controls / setup as having great influence over which AC adjustable drives they purchase. 44% respondents mentioned torque control as an influential performance feature when deciding which AC adjustable drives to use.
• Nearly two-thirds of respondents use line conditioning devices and about one-third use AC microdrives.
• Almost 90% of respondents have stand alone drives. Most respondent locations are using 1 to 5 hp range AC Drives. The average number of 11 to 20 hp drives in use is 85 per respondent location.
• Three-fourths of respondents (75%) are not using integrated motor-drives.
• On average, 65% of the AC drives respondents currently buy are off-the-shelf. The remainder are customized. 5 years from now, there is not much difference in the use of customized AC drives.
• 58% of respondents purchased AC Drives from Rockwell Automation in the past year. ABB was purchased by one-quarter of respondents. The most notable write-in among “Others” included Lenze/AC Tech accounting for 3% of the total responding.
• 19 AC drives was the most frequent number of AC drives purchase by each respondent in the last 12 months. $28,000 was the most frequent amount spent on AC drives purchased by each respondent in the last 12 months.
• Forty-five percent of respondents stated their spending on AC drives will increase in the next 12 months. 53% mentioned it will remain the same.


AC Adjustable- Speed Drives Product Research 2007





No comments
The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by...
The System Integrator Giants program lists the top 100 system integrators among companies listed in CFE Media's Global System Integrator Database.
The Engineering Leaders Under 40 program identifies and gives recognition to young engineers who...
This eGuide illustrates solutions, applications and benefits of machine vision systems.
Learn how to increase device reliability in harsh environments and decrease unplanned system downtime.
This eGuide contains a series of articles and videos that considers theoretical and practical; immediate needs and a look into the future.
Sensor-to-cloud interoperability; PID and digital control efficiency; Alarm management system design; Automotive industry advances
Make Big Data and Industrial Internet of Things work for you, 2017 Engineers' Choice Finalists, Avoid control design pitfalls, Managing IIoT processes
Engineering Leaders Under 40; System integration improving packaging operation; Process sensing; PID velocity; Cybersecurity and functional safety
This article collection contains several articles on the Industrial Internet of Things (IIoT) and how it is transforming manufacturing.

Find and connect with the most suitable service provider for your unique application. Start searching the Global System Integrator Database Now!

SCADA at the junction, Managing risk through maintenance, Moving at the speed of data
Flexible offshore fire protection; Big Data's impact on operations; Bridging the skills gap; Identifying security risks
The digital oilfield: Utilizing Big Data can yield big savings; Virtualization a real solution; Tracking SIS performance
click me