POWER QUALITY ANALYZER
Power Measuring Instruments
PW3198
Record and Analyze Power Supply Problems Simultaneously with a Single Unit
The New World Standard for Power Quality Analysis
Never Miss the Moment
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Detect power supply problems and perform onsite troubleshooting
Do preventive maintenance to avert accidents by managing the power quality
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CAT IV-600V Safety Standard
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Meets the CAT IV safety rating required to check an incoming power line
Safe enough to measure up to 6,000Vpeak of transient overvoltage
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Easy Setup Function with PRESETS
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Just select the measurement course, wiring, and clamps
Automatic one-step setup based on measurement conditions
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Compliant with New International Standards
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International power quality measurement standard IEC 61000-4-30 Edition 2 Class A
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High precision with a basic voltage measurement accuracy of 0.1%
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One Single Unit Can Solve All Your Power Supply Problems
The number of power supply problems is increasing as power systems are becoming more and more complicated all due to the rising use of power electronics devices plus a growing installed base of large systems and distributed
power supplies. The quickest way to approach these problems is to understand the situation quickly and accurately.
The PW3198 Power Quality Analyzer is ready to effectively solve your power supply problems.
Troubleshooting
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Understand the actual power situation at the site where the problem is occurring (e.g., the equipment malfunction, failure,
reset, overheating, or burning damage).
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Ideal for troubleshooting solar and wind power generation systems, EV charge stations, smart grids, tooling machines, OA
equipment (e.g., computers, printers, and UPS), medical equipment, server rooms, and electrical equipment (e.g., transformers and phase-advancing capacitors).
Field Survey and Preventive Maintenance
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Perform long-term measurements of the power quality and study problems that are difficult to detect or that occur intermittently.
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Maintain electrical equipment and check the operation of solar and wind power generation systems.
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Manage the parameters with a control set point, such as a voltage fluctuation, flicker, and harmonic voltage.
Power (Load) Survey
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Study the power consumption and confirm system capacity before adding load.
Advanced Features for Safe, Simple, and Accurate Measurements
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1 2
Class A is defined in the international standard IEC61000-4-30,
which specifies compatibility with power quality parameters,
accuracy, and standards to enable comparison and discussion
of the measurement results of different measuring instruments.
The PW3198 is compliant with the latest IEC61000-4-30
Edition 2 Class A standard. The instrument can perform
measurements in accordance with the standard, including
continuous gapless calculation, methods to detect events
such as dip, swell, and instantaneous power failure, and time
synchronization using the optional GPS box.
International Standard IEC61000-4-30 Edition 2 Class A
The PW3198 is compliant with the measurement category
CAT IV - 600V and can also safely test the incoming lines for
both single-phase and three-phase power supplies.
Class
A
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Easy to set up - Just select the measurement course and the PW3198 will do the rest
CAT Ⅳ-600V Safety
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Voltage Measurement Range
Line-to-line voltage
Phase voltage
Both low and high voltages can be measured in a single range.
Highly Accurate, Broadband, Wide Dynamic Range Makes for Reliable Measurements
Transient overvoltage
Line-to-line voltage (3P4W)
(1P2W, 1P3W, 3P3W)
(1P2W, 1P3W, 3P4W)
780V 1300V 6000Vpeak
Simply choose the course based on the measurement objective
and the necessary configurations will be set automatically.
U Events
Standard
Power Quality
Inrush current Measure the inrush current.
Recording
EN50160
Voltage Frequency Range
High-order harmonic measurement
Harmonic measurement
DC
Wide range from DC voltage to 700 kHz
Record voltage and frequency and detect
errors simultaneously.
Record voltage, current, frequency, and
harmonic, and detect errors simultaneously.
Record only the TIME PLOT Data but do not detect
errors.
Perform measurements in accordance with
EN5016 0.
Transient overvoltage detection
80kHz3kHz 700kHz
Basic Measurement Accuracy (50/60 Hz)
Voltage ±0.1% of nominal voltage
Current
Power
World’s highest level of basic measurement
accuracy. Extremely accurate voltage
meas urem ent without the need to switch
ranges.
±0.2% rdg. ±0.1% f.s. + Clamp-on sensor accuracy
±0.2% rdg. ±0.1% f.s. + Clamp-on sensor accuracy
Transient Overvoltage
Waveform example
Transient overvoltage can also be
measured in a range between the
maximum 6,000 V and minimum 1 µs (2
MS/s).
High-order Harmonic
Waveform example
The PW3198 is the firs t power
quality analyzer that can measure
the high-order harmonic
component of up to 80 kHz.
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PW3198 Never Misses the Moment a Power Supply Failure Occurs
The PW3198 can measure all waveforms of power, harmonic, and error events simultaneously. When a problem occurs with the
equipment or system on your site, the PW3198 will help you detect the cause of the problem early and solve it quickly. You can
depend on the PW3198 to monitor all aspects of your power supplies.
Measure All Parameters at the Same Time
Acquire the Information You Need Quickly by Switching Pages (RMS Value)
Just connect to the measurement line, and the PW3198 will simultaneously measure all parameters, such as power and harmonic. You
can then switch pages to view the needed information immediately.
With a
single
button
Switch windows
with one touch
Voltage Current
Active
power
Reactive
power
Integral
power
Display parameters such as voltage, current, power, power factor, and
integral power in a single window.
Apparent
power
Power
factor
K-factor
Switch windows
with on e touch
Switch windows
with on e touch
Reliably Detect Power Supply Failures (Event)
To detect power supply failures, measurement does not
need to be performed multiple times under different conditions. The PW3198 can always monitor and reliably detect
all power supply failures for which detection is enabled.
Transient Overvoltage (Impulse)DMM Display
A transient overvoltage is generated by a lightning strike or a contact
fault or closed contact of a circuit breaker and relay, and of ten causes
a steep voltage change and a high voltage peak.
Waveform Display
Display the voltage and current
waveforms on channe ls 1 to 4
one above the other in a single
window.
Switch windows
with on e touch
4-channel Waveform Display
Display the voltage and current
waveforms on channe ls 1 to 4
individually.
Vector Display
Display the measured value and
vector of the voltage and current
of each order harmonic.
Switch windows
with on e touch
Harmonic Bar Graph Display
Display the RMS value and
phase angle of harmonics from
the 0th order to the 50th either in
a graph or as numerical values.
Voltage Dip (Voltage Drop)
Voltage drops for a short time as a result
of large inrush current generated in the
load by, for example, a starting motor.
Interruption
The power supply stops instantaneously or for a short
or long time because electrical power transmission is
stopped as a result of a lightning strike, or because the
circuit breaker is tripped by a power supply short circuit.
Frequency Fluctuations
An excessive increase or decrease
of the load causes the operation of
a generator to become unstable,
resulting in frequency fluctuations.
Harmonic
Harmonic is generated by a
semiconductor control device
installed in the power supply of
equipment, causing distortion of
voltage and current waveforms.
Voltage Swell (Voltage Rise)
A voltage swell is generated by a lightning strike or
a heavily loaded power line being opened or closed,
causing the voltage to rise instantaneously.
Inrush Current
A large current flows instantaneously
at the moment electrical equipment,
a motor, or similar devices are
powered on.
High-order Harmonic
Voltage and current waveforms are distorted
by noise components generated by a
semiconductor control device or the like installed
in the power supply of electronic equipment.
Unbalance
An increase or decrease in the load connected to
each phase of the three-phase power supply or an
unbalanced operation of equipment and devices causes
the load of a particular phase to become heavy so that
voltage and current waveforms are distorted, voltage
drops, or negative phase sequence voltage is generated.
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Simultaneous Recording of
TIME PLOT Data
The PW3198 can simultaneously record 8,000 or more parameters, such as voltage, current, power, power factor, frequency,
integral power, harmonic, and flicker, at the specified recording interval. The PW3198 never fails to capture the peak because
it performs calculations continuously and records the maximum, minimum, and average values within the recording interval.
Trend Recording
(TIME PLOT Recording)
TIME PLOT Recording of All Parameters
TIME PLOT Data
Harmonic Recording
Voltage drop occurred!
Switch windows
with on e touch
Flicker and ΔV10 Recording
Integral Power Recording
Event Waveforms
and
Power consumption
Regenerative power
Event Waveforms
The PW3198 can record up to 1,000 instantaneous waveforms of power supply failures (up to 55,000 when repeat recording is set to ON) while performing TIME PLOT recording.
Event recording of waveforms
Event list
Event
waveforms
Event List Event Waveform
This list records instantaneous waveforms of power supply failures
(events), such as a voltage drop or inrush current, along with the time
or other information. Events are always monitored, regardless of the
recording interval of the TIME PLOT recording.
Capture up to 55,000 Instantaneous Waveforms of Power Supply Failures
View waveforms during measurement
Event
details
The PW3198 lets you view the instantaneous waveform ( 200 ms) of a
power supply failure in the window.
Inrush current occurs
Voltage drop caused by inrush current
30 seconds
RMS value changes
over 30 seconds
When a voltage drop or
inrush current occurs,
RMS value changes
are recorded over 30
seconds simultaneously.
This function can also
be used to check the
voltage drop caused by
inrush current generated
by the star t of the motor.
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