Specifications and electrical requirements
SKF Dynamic Motor Analyzer EXP4000
Integrated testing
capabilities
The SKF Dynamic Motor Analyzer EXP4000 integrates a wide range of
monitoring capabilities which meet
high quality standards. Designed for
in-service monitoring of power circuit
issues, overall motor health, load, and
performance, it gives the user a
comprehensive look at overall motor
integrity. This instrument was
designed for remote monitoring from
the Motor Control Center (MCC) or
through the EP1000 connection. It is
a non-hazardous, low voltage,
battery operated unit, which makes it
highly portable and durable for use in
tight and rugged locations.
Continuous innovation
Continual design breakthroughs
demonstrate our on going
commitment to quality, reliability,
and competitive advantage. This
instrument provides data on degradation
of motor performance and the effects of
overheating on motor operation. Survey
plant wide efficiency, determine load
mismatches, oscillating load and transient
peak energy. Results are immediate,
showing operating efficiencies, thereby
allowing the user to determine the true
cost of wasted energy.
Comprehensive analysis
The S K F Dynamic M o t or Analyzer EXP4000 performs seven major
functions to enhance a P/PM program.
Within these functions evaluate the
incoming power, motor and load utilizing a
system wide approach to predictive
maintenance, troubleshooting and quality
assurance. This motor analyzer offers a
wide variety of capabilities for the
maintenance professional to understand
the condition of the rotating system. It is
programmed to supply information on
voltage level, voltage balance, harmonic
and total distortion, rotor cage condition,
motor efficiency, effective service factor,
overcurrent, operating condition, torque
ripple, load history among others. This
wide range of tests allows exploration of
the true condition of motor integrity and
conditions related to motor performance.
Advanced data collection
and organization
Once testing is completed, results can be
saved and stored for each motor. This type
of documentation i s c r i t ical f or any m a i n t enance program. It allows the recalling of
information for true trending capabilities.
Test results are managed using standard
MS Access relational database file formats.
Reports can be quickly generated through
the main print console, allowing operators
visual confirmation of motor integrity.
The software and data transfer package
enables the creation of multiple databases
to organize collected data to specifications
set by users. This eases communication
channels by handling data in a manner
that is useful, complete and accessible.
Test domains
harmonics tests. These issues identify
improper tap settings on supply transformers, poorly distributed single phase
loads, overloading (saturating) supply
transformers, excessive VFDs on low
voltage busses, excessing non-harmonic
frequencies on a VFD, missing line
inductors on VFD applications, missing or
open power factor correction capacitors
along with high resistance connections.
Machine performance
Conclusively evaluate the operation of the
motor, identifying stressful operation and
its source with this domain. It looks at
Effective Service Factor, Load, Operation
Condition, Efficiency, and calculates
Payback Period. Commonly found
problems include: thermal overloading of
the motor, machine deterioration
recognition among other items that are
directly related to the motors health and
the energy wasted with ineff iciencies.
Current
Currrent level and current unbalance are
utilized to determine overall electrical
machine health. These parameters are
used to determine the following issues
overloading, connection issues, miss
connections, iron saturation and
improperly wound motors.
Power quality
This domain identifies non-optimal power
quality problems, which cause additional
motor stress. Flag frequent problems with
voltage level, voltage unbalance, harmonic
distor tion, total distortion, power and
Spectrum
This domain has the rotor bar test along
with V/I spectrum, Demodulated
Spectrum, and Harmonics. It shows
current and voltage relationships with
regards to frequency. Electrically it will
find saturation problems, broken rotor
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bars, excessive VFD drives on low voltage
busses and mechanical problems.
Torque (Optional)
The torque domain is a substantial breakthrough by Baker Instrument Company,
an SKF Group Company. Torque Ripple and
Torque Spectrum enable the user to find
numerous problems quickly and
accurately. It specializes in diagnosing
mechanical issues, shows transient
overloading, finds mechanical imbalances
along with bearing problems, and
cavitation, among others.
Connections
This portion of the SKF Dynamic Motor
Analyzer - EXP4000 software offers
additional tools including phasor diagrams,
three currents and voltages, instantaneous voltage, and symmetrical components.
This data provides the operator with valuable power data as well as a way to make
sure the EXP4000 is correctly connected.
most important to their operation. This
software will also act as a power analyzer
to determine actual power quality.
Transient Analysis
The SKF Dynamic Motor Analyzer EXP4000 also performs a start up analysis
using the transient analysis tool. The traces
are the rms currents and voltages of all
three phases. This data can be zoomed,
panned, and the cursors allow reading of
levels and time within the graphs. Along
with this powerful analysis capability,
startup Torque versus Time can also be
evaluated. These tools allow the user to
visually see the amplitude of voltage,
current and torque at startup, along with
motor startup time. Only by monitoring all
three phases of the current, voltage and
torque can the maintenance professional
separate between a power, motor or load
issue on start up.
Efficiency
Efficiency assessment, pay-back period
and Motor Master+ identify motors
performing under par, and calculates the
pay-back period if replaced by a new motor.
The S KF Dynamic M oto r Analy z er EXP4000 exceeds the performance of
other instrumentation in both accuracy of
efficiency estimation and in ease of use for
field environments.
VFD monitoring (Optional)
Along with any three phase induction
motor and generator, the SKF Dynamic
Motor Analyzer - EXP4000 will monitor
the activities of VFD applications and AC
servo motors using the VFD4000 software
module. These types of drives have always
created problems for maintenance
professionals and for the first time
comprehensive diagnosis of motor
problems are facilitated even under the
most demanding VFD operation.
Continuous monitoring (Optional)
The continuous monitoring software
(CM4000) enables the user to monitor
41 data points real time. This real time and
continuous data gathering capability will
give immediate impact in finding
intermittent problems with motors such as
electrical tripping. This user customized
software enables the operator to collect
real time data on whatever is deemed the
3
Technical specifications Benefits
Voltage Unbalance• Power Quality•
Voltage THD• Poorly performing transformers•
Current THD• Connection issues•
Negative Sequence Impedance• Rotor•
Speed calculation• -Cracked bars
% Load & % Efficiency• -Poor welds
Spectrum Voltage• -Broken bars
Spectrum Current• -Eccentricity
Current Level• Load Issues•
Effective Service Factor• -Over load
Power details• -Process
Continuous acquisition• Mechanical•
O-Scope• -Bearing faults
Auto Phasing• -Miss alignment
Auto testing including timer function• -Fan unbalances
One button testing• -Belt frequencies
Bearing check• -Worn Impellars
Startup Transient Voltage• -Gear mesh frequencies
Startup Current• VFD•
Startup Torque•
Torque Spectrum•
Torque Time Waveform•
Efficiency Estimation•
-Power quality
-Shorted IGBT’s
-Feedback loop
-Process information
-Tuning/Setup
Soft Start•
-Tuning/Setup
-Troubleshooting
Energy Assesment•
Specifications
Input Power 110-250 VAC, 50/60 Hz integrated power
supply
Maximum Rated
1,000 V AC, 500 V DC
Measurement/Testing
Voltage
Current Transformers
0-10 A, 0-150 A, 1-1,000 A, 0-3,000 A
(all portable)
Connections – Amphenol
military spec twist type
Power entry module (1)
Portable voltage connection (1)
Portable current connection (1)
EP Port (1)
Vibration sensor connection (1)
Computer specifications 40 GB – 4,200 rpm or better
512 MB - 2GB installed RAM
Battery or AC power operated
Software Platform: Microsoft Windows XP,
Professional, Windows 7 or better
USB 2.0
Weight 15 lbs
Industrial standards NEMA MG-1
The Power of Knowledge Engineering
Seals
Bearings
and units
Lubrication
systems
Drawing on five areas of competence and application-specific expertise amassed over 100 years,
SKF brings innovative solutions to OEMs and production facilities in every major industry worldwide.
These five competence areas include bearings and units, seals, lubrication systems, mechatronics
(combining mechanics and electro nics into intelligent systems), and a wide range of services, from 3-D
Mechatronics Services
computer modelling to advanced condition monitoring and reliability and asset management systems.
A global presence provides SKF customers uniform quality standards and universal product availability.
Baker Instrument Company, an SKF Group Company
4812 McMurry Avenue, Fort Collins, CO 80525
T: 970/282-1200 - 800/752-8272 F: 970/282-1010
www.bakerinst.com
® SKF is a registered trademark of the SKF Group.
® Baker is a registered trademark of the SKF Group.
Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other
countries.
© SKF Group 2010
The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless permission is
granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be
accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information contained herein.
Publication 6769 EN · July 2010
Printed in USA on environmentally friendly paper.
IEEE 519
EN61000-2-2
EN 61000-2-7
VDE 839-2-2
VDE 839 -2-2
skf.com bakerinst.com
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