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SEMI F47 Compliance
of Altivar® 58 TRX Drive Controllers
Schneider
Electric announces SEMI F47 compliance of the Altivar 58 TRX drive
controllers rated for the horsepower ranges typically used by the
semiconductor industry. This bulletin describes the effects of voltage
sag, and how Altivar 58 TRX drive controllers can help avoid these
effects.
Click here to view; right-click to download. |
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Web-Enabling
Variable Frequency Drives
The
evolution of drive networking is described briefly in this bulletin,
along with web-enabled Ethernet, which will lead to fundamental
changes in drive communications. Click
here to view; right-click to download. |
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Why
AC Drives Should be Specified in Division 16 vs. Division 15
This
data bulletin explains the primary reasons to specify AC drives in
Division 16 rather than Division 15.
Click here to view; right-click to download. |
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Mounting
Variable Frequency Drives in Electrical Enclosures Thermal Concerns
This
data bulletin discusses the thermal management issues that should
be considered when mounting variable frequency drives in an electrical
enclosure. Click
here to view; right-click to download. |
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Application
Guide for Using AC Drives in HVAC Systems
This
bulletin
is an application guide for HVAC systems and adjustable frequency
drives, providing HVAC system details, the theory behind variable
torque loads, and the potential for energy savings based upon the
affinity laws. Click
here to view; right-click to download. |
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Power
System Harmonics: Causes and Effects of Variable Frequency Drives
Relative to the IEEE 519-1992 Standard
This
bulletin describes power system harmonics as they relate to AC variable
frequency drives controlling centrifugal pumping applications.
Click here to view; right-click to download. |
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Audible
Motor Noise Considerations for Pulse Width Modulation Drives
This
document discusses motor audible noise and how it is affected when
AC adjustable frequency drives are applied.
Topics include relevant application standards and solutions for
motor noise concerns.
Click here to view; right-click to download. |
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Pumping
Industry Technical Information
This
data bulletin contains information on adjustable speed pumping, including
the application of adjustable speed controls and the basics of hydraulic
systems, pump characteristics, pump set point control, and pump sequencing
control. Click
here to view; right-click to download. |
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The
Effects of Adjustable Frequency Controllers on the AC Line
This
bulletin provides a broad introduction to the concept of how adjustable
frequency controllers affect the AC line. It also contains information
on voltage transients (line notching), harmonics, and power factor.
Click here to view; right-click to download. |
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IEEE
Standard 587 Applicability to Adjustable Frequency Control (Surge
Voltages)
This
data bulletin explains why Square D adjustable frequency drives meet
IEEE standard 587, the guide for surge voltages in low voltage AC
power circuits. Click
here to view; right-click to download. |
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IEEE
Standard 519 Applicability To Adjustable Frequency Controllers (AC
Line Disturbances)
This
data bulletin contains recommended limits on AC line voltage distortion
and harmonic currents resulting from adjustable frequency AC drives,
and associated causes and effects from AC drives, as described in
IEEE Standard 519. Click
here to view; right-click to download. |
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FCC
Rules Applicability to Adjustable Frequency Controllers (EMI)
This
data bulletin reviews adverse effects and corrective measures for
electromagnetic (radio frequency) interference, and contains recommendations
to cope with this phenomenon.
Click here to view; right-click to download. |
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Overview
of Adjustable Frequency Control (Inverters)
This
bulletin provides a technical overview of adjustable frequency control.
Topics include: motor speed
relationships, inverter fundamentals, inverter comparisons, inverter
application considerations, and motor heating and ventilation considerations.
Click
here to view; right-click to download. |
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Understanding
Nameplate Data for AC NEMA B Design Squirrel Cage Motors
Data
bulletin C871 covers NEMA standards as they
apply to AC squirrel cage motors. Topics include: frame
sizes and dimensions, full load speed, torque ratings, enclosures
and ventilation, Insulation systems and temperature rise ratings,
service factor, time ratings, and locked rotor KVA.
Click
here to view; right-click to download. |
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Total
Power Factor
This
bulletin
explains power factor and how it applies to circuit design.
Click here to view; right-click to download. |
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Adjustable
Frequency Controllers Application Guide
This
document lists the considerations which should be addressed when selecting
adjustable frequency drives, since additional equipment may be necessary
to meet the application requirements.
Click here to view; right-click to download. |