INSTRUCTION MANUAL
9605-01
HARMONIC
MEASUREMENTS UNIT
Contents
Introduction i
Safety Notes ii
Chapter 1 Overview and Features 1
1.1 Product Overview 1
1.2 Features
Chapter 2 Key Operations and the Screen Configuration 3
2.1 Key Operations 3
2.2 Screen Configuration
Chapter 3 Setting the Basic Functions 5
3.1 Setting the Wiring Mode (1P2W to 3P4W) 5
3.2 Analysis Channel Selection
3.3 PLL Source Setting
3.4 Wiring Conversion Function
3.5 Setting the Coupling Mode
3.6 Zero Adjustment Operation
3.7 Averaging Setting
3.8 Measurement by External Trigger
3.9 Sort Functions
10
11
12
13
2
3
6
7
8
9
Chapter 4 Harmonic Measurement 15
4.1 Harmonic Measurement 16
4.2 Harmonic Analysis Procedure
4.3 Graph Display of Harmonics
4.4 List Display of Harmonics
4.5 Vector Display of Harmonics
4.6 Waveform Display
4.7 Measurement using an External Sync Signal
4.7.1 Theory of Operation 32
4.7.2 Setting Procedure 34
18
19
23
26
28
32
Chapter 5 Hold Function 35
Chapter 6 Output to Floppy Disk/Printer 37
6.1 Selecting the Output Item to FDD/Printer 38
6.1.1 Output Setting in Harmonic Analysis Mode 38
6.2 Timer Control of Output 39
6.2.1 Harmonic Analysis 39
6.2.2 Relationship Between the Number of Output Items
and Interval Time 39
Chapter 7 External Control 43
7.1 EXT.CLOCK 43
7.2 TRIGGER.IN
7.3 TRIGGER.OUT
44
44
Chapter 8 GP-IB/RS-232C Interface 45
8.1 Overview 45
8.2 Event Registers
8.3 Command Reference
9.3.1 Command Reference Explanation 47
9.3.2 Specific Commands for Harmonic Analysis Function 48
8.4 Specific Commands Reference 65
8.5 Valid Commands for Each Status
8.6 Specific Command Tree
8.7 The Output Item Bits
46
47
67
69
71
Chapter 9 Specifications 73
Appendix APPENDIX 1
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Introduction
Thank you for purchasing the HIOKI "9605-01 HARMONIC
MEASUREMENTS UNIT." To obtain maximum performance from the
product, please read this manual first, and keep it handy for future reference.
･ The 3194 must be upgraded to support the 9605-01.
NOTE
･ This product is designed for installation in the 3194 MOTOR/HARMONIC
HiTESTER to enable harmonic analysis. For details on operation of the
3194, please refer to its instruction manual.
･ This product is a factory-fitted option. When the 3194 product is powered
on, you can check the installation on the screen. (Same as the 9605.)
･ For operating environment, maintenance, and disposal at end of life, the
same conditions apply as to the main 3194 product.
･ Because of differences in measurement principle, frequency response, and
accuracy, the values measured by the 9605-01 (effective voltage value,
effective current value, active power, and phase difference) may not agree
with values measured by 9600/9601/9602 products installed in the same
3194 product.
･ The 9605-01 does not save analysis data if there is a power failure. All data
values from before the power failure are treated as zero.
･ The D/A output is not possible for the analyzed data by the 9605-01.
i
Beforeuse
Before using the product, inspect it and check the operation to make sure
that the product was not damaged due to poor storage or transport
conditions. If damage is found, contact your dealer or HIOKI representative.
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Introduction
ii
R
R
W
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Safety Notes
This product is designed to conform to I EC 61010 Safety Standards, and
DANGE
has been thoroughly tested for safety prior to shipment. However,
mishandling during use could result in injury or death, as well as damage
to the product. Be certain that you understand the instructions and
precautions in the manual before use. We disclaim any responsibility for
accidents or injuries not resulting directly from product defects.
This Instruction Manual provides information and warnings essential for
operating this equipment in a safe manner and for maintaining it in safe
operating condition. Before using this equipment, be sure to carefully read
the following safety notes.
Read the Instruction Manual supplied with the 3194 product very carefully,
and follow the indications given under "
CAUTION
"
," and "
NOTE
."
DANGER
WARNING
," "
,"
Safety Symbols
This symbol is affixed to locations on the equipment where
the operator should consult corresponding topics in this
manual (which are also marked with the symbol) before
using relevant functions of the equipment.
In the manual, this mark indicates explanations which it is
particularly important that the user read before using the
equipment.
The following symbols are used in this Instruction Manual to indicate the
relative importance of cautions and warnings.
Indicates that incorrect operation presents extreme danger of
DANGE
accident resulting in death or serious injury to the user.
Indicates that incorrect operation presents significant danger
ARNING
CAUTION
of accident resulting in death or serious injury to the user.
Indicates that incorrect operation presents possibility of
injury to the user or damage to the equipment.
NOTE
Denotes items of advice related to performance of the
equipment or to its correct operation.
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Safety Notes
1
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Chapter 1
Overview and Features
1.1 Product Overview
Installing the 9605-01
MOTOR/HARMONIC HiTESTER enables voltage, current, and power
harmonic analysis to be carried out on the voltage and current waveforms
captured by an input unit, for single phase to three-phase four-wire lines. It
also provides list, a range of display options, including graph and vector
displays.
HARMONIC MEASUREMENTS UNIT
in a 3194
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1.1 Product Overview
2
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1.2 Features
Installing the 9605-01 HARMONIC MEASUREMENTS UNIT in a 3194
MOTOR/HARMONIC HiTESTER adds the following functions to the basic
functions of the 3194.
(1) Support for range of power lines
Harmonic analysis of voltage, current, and power can be carried out on lines
from single phase to three-phase four-wire. If the frequencies are the same,
up to three single phase lines can be analyzed simultaneously.
(On screen; however, the amount of data displayed on one page is limited to
50 records)
(2) A maximum of 3000th of analysis
A maximum of 3000th of high frequency analysis on basic frequency is
possible. Analysis of the secondary inverter including carrier frequency can
also be done.
(3) High frequency analysis using external synchronization signals
High frequency analysis using external synchronization signals as the base
standard is possible. For this reason, measurement of the phase change
amount against the base standard signals can also be done.
(4) Range of display options
The amplitude value, proportions, phase angle, and distortion of each
harmonic for voltage, current, and power can be found. The analysis results
can be displayed in a list, as a bar graph, or as a vector display.
(5) Floppy disk support
The analysis data can be saved to the floppy disk drive in the 3194, and a
periodic automatic save function is also available.
(6) Built-in printer (option)
This can be used to print required data, and for periodic automatic printing.
There is also a screen copy function.
NOTE
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1.2 Features
The IEC61000-3-2 analysis method is not supported.
3
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Chapter 2
Key Operations and the Screen
Configuration
2.1 Key Operations
For details on how to operate keys of the 3194, refer to Chapter 2 "Name
and Functions of Parts" in the instruction manual of the 3194.
2.2 Screen Configuration
When the 9605-01
3194, the following screen is added to the 3194 functionality.
Refer to Section 2.3.1, "Screen Configuration" in the instruction manual of
the 3194.
MEAS
screen
Harmonic
analysis
Graph display
List display
Vector display
Waveform display
HARMONIC MEASUREMENTS UNIT
is installed in the
STATUS
screen
Harmonic
analysis
Harmonic waveform
setting display
Output item selecting
Harmonic waveform
selecting screen
NOTE
────────────────────────────────────────────────────
･ In the Selection screen, the distortion (THD-R, THD-F) produced by 9605-01
analysis can be displayed, but not other data.
･ No waveform and graph colors change is possible.
2.1 Key Operations
4
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2.2 Screen Configuration
5
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Chapter 3
Setting the Basic Functions
This chapter describes the function settings when using the 9605-01.
For other functions, refer to the Instruction Manual supplied with the 3194
product.
NOTE
The following settings have no effect on harmonic analysis.
Selecting RMS/MEAN value, setting the phase polarity discrimination filter,
switching the waveform peak value, setting the response, setting the equation
for reactive power/apparent power, and setting the indications for out-of
range inputs
3.1 Setting the Wiring Mode (1P2W to 3P4W)
Set the wiring mode of the 3194.
For details, refer to Section 4.1, "Setting the Wiring Mode" in the instruction
manual of the 3194.
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3.1 Setting the Wiring Mode (1P2W to 3P4W)
6
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3.2 Analysis Channel Selection
You can select three input unit channels for harmonic analysis from the
input units (maximum three channels) in the 3194. If the frequencies are the
same, analysis on three single-phase channels is possible.
NOTE
1. Press the
STATUS
to move the cursor to "
key, then use the
HARM
," to display the
PAGE
keys
harmonic measurement setting screen. This
displays the selected wiring mode.
2. Use the
CURSOR
keys to select the "
WIRING
"
item.
3. Move the cursor to the channel to be analyzed
with the
CURSOR
keys, then press theF1"
SET
key to complete the setting.
･ The channel selection is always of adjacent input units, corresponding to the
wiring modes set on the 3194 product. If the 3194 product wiring mode is
set to 3P3W for each of channels 1 and 2 and channels 3 and 4, then the
selection becomes channels 1, 2, and 3. In this case, the third channel is
treated as single phase for analysis.
･ Up to three channels can be selected; a single-channel analysis specification
is not possible.
"
Wiring mode and selected channels
1ch 2ch 3ch 4ch 5ch 6ch Using channels
① 1P2W 1P2W 1P2W 1P2W 1P2W 1P2W 1+2+3, 2+3+4, 3+4+5, 4+5+6
② 1P3W/3P3W 1P2W 1P2W 1P2W 1P2W 12+3, 3+4+5, 4+5+6
③ 1P3W/3P3W 1P3W/3P3W 1P2W 1P2W 12+3, 34+5, 4+5+6
④ 1P3W/3P3W 1P3W/3P3W 1P3W/3P3W 12+3, 34+5, 56
⑤ 3V3A/3P4W 1P2W 1P2W 1P2W 123, 4+5+6
⑥ 3V3A/3P4W 1P3W/3P3W 1P2W 123, 45+6
⑦ 3V3A/3P4W 3V3A/3P4W 123, 456
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3.2 Analysis Channel Selection
7
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3.3 PLL Source Setting
A PLL source is required for analysis, and may be provided in one of the
following three ways.
(1) Input voltage or current serves as the source:
Waveforms are sampled at a frequency synchronized with the measured
voltage or current waveform to facilitate correct measurement.
(2) Internal fixed clock [Clock] frequency serves as the source:
Use this options when the input signal is not suitable as a source of PLL
synchronization, and the fundamental frequency of the signal for analysis is
50 Hz. In this case, measurement accuracy cannot be assured at frequencies
other than integer multiples of 50 Hz.
(3) An external sync signal [Ext(CH6) or Ext(Con)] serves as the source:
PLL-synchronized measurements for harmonic analysis can be made using an
external signal other than the input voltage or current waveform. Refer to
Section 4.7, "Measurement using an External Sync Signal."
NOTE
The PLL indicator at the upper right of the screen appears when the PLL is
unlocked, and is not visible when the PLL is locked. The source setting for
frequency measurement shares the same indicator.
1. Press the
STATUS
to move the cursor to "
key, then use the
HARM
," to display the
PAGE
keys
harmonic measurement setting screen.
2. Moving the cursor to "
CURSOR
keys displays the settings available for
PLL SOURCE
" with the
the PLL source in a window.
3. Use the
F1 "↓"
and
F2 "↑"
key to specify the
required item.
･ If the signal selected for the source setting is very distorted, if the level is
low for the range setting, or the signal frequency is not stable, the PLL
circuit may not function. In such cases accurate analysis is not possible.
･ If the three channels selected in Section 3.2 are separate systems with
different signal frequencies, the analysis results are only valid for the channel
for which the PLL source is set.
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3.3 PLL Source Setting
8
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3.4 Wiring Conversion Function
This function calculates equivalencies for 3V3A and 3P4W wiring (refer to
Appendices 6 and 7).
・For 3V3A wiring, calculates Δ-Y conversion to 3φ4W equivalent wiring.
・For 3P4W wiring, calculates Y-Δ conversion to 3φ3W equivalent wiring.
NOTE
Press the
STATUS
key, then use the
move the cursor to "
HARM
," to display the
PAGE
keys to
harmonic measurement setting screen.
・Δ-Y conversion calculation uses a virtual neutral point.
・High-harmonic analysis can begin after waveforms have been converted.
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3.4 Wiring Conversion Function
9
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3.5 Setting the Coupling Mode
For the channel of which the analysis results are shown on the screen only,
press the
SHIFT
key then use the
It is also possible to change the setting in the STATUS/Units screen.
Refer to Section 4.2, "Setting the Coupling Mode" in the instruction manual
of the 3194.
CURSOR
key to switch.
NOTE
･ When AC mode (coupling mode) is selected on the 3194 product, a DC
blocking filter is required on the input unit. Therefore, if the measurement
frequency is 10 Hz or below, or the waveform has a superimposed DC
component (e.g. a half-wave rectified signal), errors may become large.
･ Analysis results in the DC mode and analysis results in the AC+DC mode
are the same.
･ When the AC+DC or DC mode is selected, a value is shown with a
harmonic index of "0." This shows the DC component included in the
analysis data. However, the polarity is not displayed for the voltage and
current since the effective value is converted.
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3.5 Setting the Coupling Mode
10
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3.6 Zero Adjustment Operation
Zero adjustment must be carried out after warming up.
NOTE
1. Press the
STATUS
to move the cursor to "
key, then use the
HARM
," to display the
PAGE
keys
harmonic measurement setting screen.
2. Move the cursor to "
3. Press theF5"
ZERO ADj
WIRING.
"
" key to start zero
adjustment.
･ The operation is carried out for 3 channels simultaneously.
･ The operation takes about 3 seconds.
･ Carry out the operation with no inputs on either voltage or current.
･ Carry out the operation after degaussing (DMAG) when using the 9600 or
9602.
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3.6 Zero Adjustment Operation
11
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3.7 Averaging Setting
Analysis data is averaged in the 9605-01.
NOTE
1. Press the
to move the cursor to "
STATUS
key, then use the
HARM
harmonic measurement setting screen.
2. Move the cursor to "
AVERAGE
3. Select the item (amplitude or phase angle) to be
averaged.
Data other that required on the 9605-01 is not affected.
PAGE
keys
," to display the
"
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3.7 Averaging Setting
12
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3.8 Measurement by External Trigger
By setting an external trigger, analysis can be started when the trigger signal
is input. One window of analysis data is displayed, then the process stops.
By synchronizing the timing with an external device, a number of 3194
products can perform analysis simultaneously.
NOTE
1. Press the
STATUS
to move the cursor to "
key, then use the
HARM
," to display the
PAGE
keys
harmonic measurement setting screen.
2. Use the
CURSOR
keys to select the "
EXT TRIG
item.
3. Press theF2"ON" key, putting the product on
hold for a trigger.
When a trigger signal is input from the outside,
analysis starts.
･ The analysis always starts from a point at which the PLL source waveform
crosses the zero value, and there is therefore a delay of a maximum of one
cycle of the waveform with respect to the trigger signal.
･ This does not affect data on the 3194 product (other than the 9605-01).
･ The PLL should be locked.
"
────────────────────────────────────────────────────
3.8 Measurement by External Trigger
13
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3.9 Sort Functions
All analyzed degrees are sorted by size from the largest, up to the 50th
harmonic order. The following sort methods are available:
(1) Independ
All measurements are sorted independently. However, the P of each channel
is set to the degree of the P
sum
value.
(2) According to U
U values are sorted by channel, and I and P values are sorted by the
respective degree for the respective channel, independently of P
sum
values.
(3) According to I
U values are sorted by channel, and U and P values are sorted by the
respective degree for the respective channel, independently of P
sum
values.
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3.9 Sort Functions
14
────────────────────────────────────────────────────
(4) According to U1/I1, U2/I2, U3/I3
Measurements are sorted by the specified parameter, and other parameters
are sorted for the respective degree.
Unsorted
NOTE
Sorted
The graph, list and vector displays are by harmonic order rather than by
degree. Therefore, in the vector display case, multiple degrees can be
displayed on the same screen.
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3.9 Sort Functions
15
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Chapter 4
Harmonic Measurement
This describes analysis using the 9605-01
UNIT
.
First refer to Chapter 3 "Preparations for Measurement" in the instruction
manual of the 3194. Pay special attention to the precautions listed in this
chapter.
HARMONIC MEASUREMENTS
────────────────────────────────────────────────────
16
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4.1 Harmonic Measurement
The 9605-01 HARMONIC MEASUREMENTS UNIT applies FFT (FastFourier Transform) analysis to waveforms from the A/D converter for each
window, and can analyze voltage, current and power harmonics. Up to 3,000
degrees can be analyzed, and fundamental frequencies from 10 Hz to 4.5
kHz are supported.
NOTE
･ Because of differences in measurement principle, frequency response, and
accuracy, the values measured by the 9605-01 and 9600/9601/9602 products
installed in the same 3194 product may not agree. Similarly, values may not
agree with measurements made by other devices.
･ If the PLL synchronization range is 10 Hz to 17.5 Hz or 17.5 Hz to 35 Hz,
then the anti-aliasing filter of Fc ≒ 15 kHz is inserted. If the PLL
synchronization range is 35 Hz or more, then the anti-aliasing filter of Fc
≒ 120 kHz is inserted.
･ Although harmonics can be analyzed at up to 3,000 degrees, only a
maximum of 50 items can be displayed on the screen.
･ Because items not displayed are calculated internally at the same time, by
switching to the hold state and switching the screen, it is possible to read
simultaneous values for other analysis data.
･ Be sure to carry this out with the PLL in the locked state.
･ The harmonics which can be analyzed depend on the frequency of the PLL
source. For details see the Specifications.
･ Color specifications are not possible.
･ The zeroth index is displayed when using a 9600/9602 with AC+DC or DC
mode selected. This zeroth index is the DC component of the analyzed
waveform. In the voltage/current mode, effective values are computed, and
there is therefore no polarity. The accuracy of the zeroth index is not
specified.
･ When using 3P3W/3V3A mode, analysis results for power signify the total
values (ΣP). The power analysis results are shown for each channel, but
these have no significance. The total value (ΣP) is the same result for 3P3W
and 3V3A.
･ The phase angle indicates the phase angle of all data, taking the phase angle
of the fundamental from the PLL source as 0。. For the total value (ΣP) , the
phase angle is not displayed.
･ The phase difference indicates the phase difference of the current with
respect to the voltage on the same channel for each harmonic.
･ At less than 0.1% of range, internal circuit noise may appear in the
display.
･ When the rms value of voltage or current exceeds 130% of range, or when
the peak value of voltage or current exceeds crest factor, the value of
analysis data and power analysis data is shown in red.
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4.1 Harmonic Measurement
17
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Term/meaning
Effective voltage value,
effective current value,
active power
Fundamental
(component, level)
Harmonic (component, level)
Harmonic content
Harmonic phase angle
Harmonic voltage phase
angle, harmonic current
phase angle
Harmonic voltage-current
phase difference
Total harmonic
Found from waveform sampling at a sampling
frequency determined from the frequency of the
fundamental. Includes harmonics above the analyzed
number.
Fourier coefficient of fundamental component
Fourier coefficient second and subsequent harmonics
Taking the fundamental component level as 100%,
indicates the other harmonic components as
proportions.
Generic term for harmonic voltage phase angle,
harmonic current phase angle, and harmonic voltage
current phase difference
Taking the phase angle of the fundamental from the
PLL source as 0。, indicates the phase difference of
other voltage and current harmonics.
The phase difference between the voltage and current
for a particular harmonic
The total value of the harmonics being analyzed (from
2nd to limit of analysis)
Total harmonic distortion
PLL (Phase Locked Loop)
Anti-aliasing filter
THD-F: total harmonic content as proportion of the
fundamental.
THD-R: total harmonic content as proportion of the
effective voltage (current) value
This generates a clock signal synchronized to the
fundamental component of the measured waveform.
The waveform is sampled using this clock signal. If
the PLL does not function correctly, accurate
harmonic analysis is not possible.
When digital sampling is applied to signal waveforms,
if over half of the frequency composition of the
sampling frequency is included in the measurement
signals, repeated skew (area sync) occurs and so
correct frequency analysis cannot be done. This
problem can be prevented by inserting a low pass
filter that cuts the sampling frequency at the front
section of the A/D converter by half. This filter is
called an anti-aliasing filter.
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4.1 Harmonic Measurement
18
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4.2 Harmonic Analysis Procedure
Check that the line to be measured is shut off, and
1.
check that the 3194 product is powered off and the
power cord disconnected from the outlet.
Connect the ground terminal to earth and connect the
2.
power cord to the 3P-outlet.
Turn the power on.
3.
Make a connections and check there is no short circuit
4.
(Warming-up 1 hour or more
When using the 9600 or 9602,
carry out degaussing after warming-up.)
See Section 4.1 in the 3194 manual.
Select the wiring mode on the STATUS "UNIT"
5.
screen.
Specify the channel for analysis on the harmonic
6.
screen.
Specify the output item on STATUS "freq/output"
9.
screen when the data is output on FD or printer.
Select voltage range and current range.
10.
Carry out zero adjustment.
11.
Check the connection of line being measured again,
12.
and turn on the power line.
See Section 3.2 in this manual.
See Section 3.2 in this manual.
See Section 3.3 in the 3194 manual.
Start the measurement.
13.
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4.2 Harmonic Analysis Procedure
19
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4.3 Graph Display of Harmonics
A harmonic graph can display the amplitude, proportion, or phase of each of
the voltage, current, and power as a graph. There are three formats.
Format 1
One only of the analyzed
voltage and current is
displayed as a graph.
Format 2
The display is divided into
three graphs. Voltage,
current, and power are
displayed for each channel.
Format 3
The display is divided into
three graphs. In this case,
the same item is displayed
for each of the three
systems.
NOTE
･ Distortion is not displayed.
･ When sorting is enabled, the vertical axis is by harmonic order instead of
degree.
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4.3 Graph Display of Harmonics
20
────────────────────────────────────────────────────
(1) Displaying procedure
In harmonic mode, press the
F1 "GRAPH"
, to switch to the graph screen.
(2) Selecting the display format (two methods)
Method 1
Press the
SHIFT
key, then press the
key to to cycle through the format.
Method 2
Press the
F5 "SELECT"
key.
Move the cursor to the display format box, and
use the
F1 "↑"
and
F2 "↓
" keys to make a
selection.
After specifying, press the
F5 "RETURN
F1 "GRAPH
"key.
"
Format 1
(independent of
wiring mode)
Format 2
All 1P2W
1P3W/
3P3W+1P2W
3V3A/3P4W
Format 3
All 1P2W
(3) Specifying the item to display (two methods)
Method 1
Press the
1, 2, and 3 are selected).
U1 screen
U1 I1
U1
U2
U1
U2
U3
U1
I1
P1
F1 "GRAPH"
I1 screen
P1 U2 I2 P2
I1
I2
I1
I2
I3
U2
P2
I2
P1
P2
P1
P2
P3
U3
I3
P3
key to cycle through the display items (when channels
P1 screen
ΣP
ΣP
U3 I3 P3
P3 screen
ΣP screen
U3 I3
P3
1P3W/
3P3W+1P2W
3V3A/3P4W
U1
I1
P1
U1
I1
P1
U2
I2
P2
U2
I2
P2
ΣP
U3
I3
P3
U3
I3
P3
ΣP
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4.3 Graph Display of Harmonics
21
────────────────────────────────────────────────────
Method 2
Press the
F5 "SELECT"
key.
Move the cursor to the display item box, and
use the
F1 "↑"
and
F2 "↓"
keys to make a
selection.
After specifying, press the
F5 "RETURN"
key.
(4) Selecting the display analysis information
Select the information from the analysis from Amplitude, Proportion, and
Phase.
NOTE
Press the
F5 "SELECT"
key.
Move the cursor to the analysis item box, and
use the
F1 "↑"
and
F2 "↓"
keys to make a
selection.
After specifying, press the
F5 "RETURN"
･ This specification affects the list display in all screens.
･ Selecting "
PHASE
" has the following significance:
For voltage (U) or current (I), display the phase angle of the fundamental
waveform with respect to the PLL source.
For power (P), display the voltage-current phase difference
key.
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4.3 Graph Display of Harmonics
22
────────────────────────────────────────────────────
(5) Selecting the vertical axis
Select a linear (LINEAR) or logarithmic display (LOG) for the vertical axis.
NOTE
Press the
F5 "SELECT"
key.
Move the cursor to the LINEAR/LOG box, and
use the
F1 "↑"
selection. After specifying, press the
and
F2 "↓"
keys to make a
F5 "RETURN"
key.
It is not possible to make individual LINEAR/LOG selections. The vector
display also changes accordingly.
(6) Data read-out with the cursor
On a displayed graph, you can use the cursor to
select the harmonics to be read. Use the
keys and to move the cursor ▼ on the
screen, and display the selected data.
CURSOR
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4.3 Graph Display of Harmonics
23
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4.4 List Display of Harmonics
The harmonic list display shows the amplitude value, proportion, phase
angle, and distortion for each harmonic of voltage, current, and power. There
are two display formats: format 1 and format 2.
Format 1 Format 2
Only the analysis data for the channel synchronized to the PLL source is
valid.
When sorting is enabled, display order is by descending amplitude.
(1) Display procedure
In harmonic mode, press theF2"
LIST
" key, to switch to the List screen.
(2) Selecting the display format (two methods)
Method 1
Press the
to cycles through the format.
Method 2
Press the
Move the cursor to the display item box, and
use the
selection. After specifying, press the
key.
SHIFT
F5 "SELECT"
F1 "↑"
key, then press theF2"
and
key.
F2 "↓"
keys to make a
F5 "RETURN"
LIST
"key
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4.4 List Display of Harmonics
24
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(3) Specifying the item to display (two methods)
U1 screen
I1 screen
P1 screen
Press theF2"
LIST
" key to cycle through the
measurement items (voltage, current, and power).
Method 1
P3 screenΣP screen
Method 2
Press the
F5 "SELECT
"key.
Move the cursor to the display item box, and use
F1 "↑"
the
After specifying, press the
and
F2 "↓"
keys to make a selection.
F5 "RETURN"
key.
NOTE
(4) Specifying the display order
Select whether to display all harmonics, or only
the even or odd harmonics.
When sorting is enabled, the order alternates between even and odd
harmonic orders.
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4.4 List Display of Harmonics
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