AC Drives
Variable Speed Motor
Controls
Our simple, flexible product lines make choosing the
right drive very easy. For more
demanding solutions our application engineers, located
within our Drive Center network, are available to discuss your
needs and provide advice. Variable frequency ac inverter
drives are an excellent choice for adjustable-speed drive users
because they allow you to fine-tune processes while reducing
costs for energy and equipment maintenance.
Our variable frequency
drive (electronic controllers) adjust the speed (adjustable speed
drives, variable speed drives, variable frequency drives) of
electric motors by modulating the power being delivered. Control
Techniques variable frequency drives provide continuous control,
matching motor speed to the specific demands of the work being
performed.
0.33 hp - 200 hp (0.25kW - 132kW)
115/208-230/460/575/690 Volts
The Commander SK range is easy-to-drive and great value. The
drive modules are ultra compact and offer excellent motor control.
With onboard PLC, I/O, Ethernet and fieldbus communications
options, you can do much more than you would expect from a general
purpose AC drive.
Save energy and control constant pressure with the Commander SK
drive that is dedicated to pumping applications.
The Commander SK Pump Drive is rich with features that are a
perfect match for simplex (single pump) system needs.
0.5 hp to 200 hp (0.37kW - 132kW)
208-230/460/575/690 Volts
Unidrive SP Panel Mounting version is a standard AC input,
AC output drive module for system integration and standalone
applications. It is extremely flexible, capable of controlling AC
induction motors, servo motors and functioning as an active front
end controller.
Unidrive SP is a complete drive automation range that covers the
power spectrum from 0.5 to 2,900 hp. All drives share the same
flexible control interface regardless of the power rating. Drives
are packaged in three formats; Panel Mount, Free Standing and
Modular.
150 hp - 1000 hp (90kW - 675kW)
460/575/690 Volts
The Unidrive SP Free Standing drives range offers the same
advanced feature set as the panel mount drives but in a
pre-engineered convenient package, which can be connected to
industry standard enclosures. The drives offer industry leading
power/size ratios.
60 hp - 2,900 hp (45kW - 1.9MW)
208-230/460/575/690 Volts
The Unidrive SP Modules offer the same advanced control feature
set as our panel mount drives but with additional power system
flexibility; the drives may be arranged to provide a common DC bus
system with or without an active front end (regenerative, 4
quadrant operation). Very high current motors may be controlled
using a multi-drive modular arrangement.
Commander SX
- NEMA 4X for washdown environments
0.5 hp - 10 hp (0.37kW - 7.5kW)
208-230/460 Volts
The Commander SX is a NEMA 4X (IP66) protected drive
that enables users to mount the drive directly next to the motor
giving significant cabling, enclosure and installation
savings.
Motor Controls: AC Inverters, Variable
Frequency and Variable Speed AC Drives
Variable frequency drives are an excellent choice for
adjustable-speed drive users because they allow you to
fine-tune processes while reducing costs for energy and equipment
maintenance. Control Techniques' variable speed/frequency
drives can help cut your energy consumption and in turn reduce your
costs.
Our variable frequency
drives (electronic controllers) adjust the speed of electric motors
by modulating the power being delivered. Control Techniques
variable frequency drives provide continuous control, matching
motor speed to the specific demands of the work being
performed.
Emerson Control Techniques offers a
wide range of Variable Frequency Drives (VFDs) and
options to meet the diverse power and performance requirements of
applications used in Water, Waste Water, Oil & Gas, Food
Processing and other industries.
To highlight the special performance
characteristics and features, ease of use and other benefits
Control Techniques drives bring to applications, we have prepared a
series of Industrial application flyers called Solutions. We also have made our
green Energy Savings
Solutions available for download.
Our AC drive solutions include: AC Drives, VSDs -
Variable Speed drives, VFDs - Variable frequency drives and AC
inverters. Control Techniques' AC drives/AC inverters can convert
direct current (DC) to alternating current (AC). The converted (AC)
electricity can be at any required voltage and frequency with the
use of appropriate transformers, switching, and control
circuits.
A variable-frequency drive controls the operating
speed of an AC motor by controlling the frequency and voltage of
the power supplied to the motor. An inverter provides the
controlled power. In most cases, the variable-frequency drive
includes a rectifier, so that DC power for the inverter can be
provided from the main AC power. Since an inverter is the key
component, variable-frequency drives are often
called inverter drives, AC
inverters or simply inverters.
Our AC Inverters convert the DC electricity from sources such as
solar panels and fuel cells to AC electricity. The electricity can
then be used to operate AC equipment designed for mains operation,
or rectified to produce DC at any desired voltage.
Additionally, our grid tie inverters can feed energy back into
the distribution network because they produce alternating current
with the same wave shape and frequency as supplied by the
distribution system. They can also switch off automatically in the
event of a blackout.
Innovative and intelligent AC drive technology from Control
Techniques enables customers to deploy highly productive,
easy-to-use control solutions.
Beyond achieving superior motor performance, the design
philosophy of Control Techniques is guided by the voice of our
customers to produce truly “user friendly” control solutions. As a
result, the drives are quick to install, simple to set up, and easy
to maintain. Software tools are intuitive, consistent and flexible.
Many advanced features are built in as standard.
General Purpose Commander Series:
Commander SL – simple, small, low cost drive – outstanding V/Hz and
open loop vector performance. Commander SX - compact, rugged NEMA
4X corrosion-proof wash-down drive. Commander SK - versatile
cost space saving drive, “snap-in” Solution Modules - I/O or
communication options and easily add PLC functionality using our
LogicStick & SyPT Lite software.
High Performance Unidrive SP to 2,900 hp line of high
performance drives with scalable PLC intelligence continues to
grow. Conforming to standards for quality, safety and
inter-operability
Control Techniques drives are built to meet rigorous
international safety standards, and communicate flawlessly using
the most popular fieldbuses.