KIKUSUI KHA3000 User Guide
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/
http://www.kikusui.co.jp
Harmonic / Flicker Analyzer
Harmonic/Flicker Analyzer
MODEL KHA3000
Supports harmonic and fl icker compliance testing of single-phase and three-phase equipment
IEC61000-3-2 Ed3.0(Harmonics for 16A or less)
IEC61000-3-3 Ed1.2 (Flicker for 16A or less)
IEC61000-3-11 (Flicker for over 16A)
IEC61000-3-12 (Harmonics for 75A or less)
IEC61000-4-7 Ed2/Ed1 (Interharmonics ON/OFF)
Harmonic /Flicker Analyzer
Capable to handle the single-phase and the three-phase
equipment for the test exceeding 16A of current
KHA3000, in addition to the complied standards and features of the KHA1000 (dedicated for single phase),
is equipped for the harmonic and fl icker compliance test exceeding 16A of the single-phase and the
three-phase equipment. With this unit alone, you can take highly accurate simultaneous three-phase
measurements up to 40A/phase*. Furthermore, the KHA series is compliant with two measurement
technique standards, the existing and the latest versions, so you can simply select to take measurements
for the latest standard including interharmonics and for the conventional integral multiple harmonics without
using any other device. In addition to the real-time display that can be used like an oscilloscope and FFT
analyzer, the unit offers the real-time judgment of compliance with standards. Using this unit alone, you
can judge test results and prepare result reports without the use of a PC. On top of that, you can easily set
up a standard compliance test system by combining KHA3000 with an AC power supply (PCR-LA Series)
and a line impedance network (LIN40MA-PCR-L).
*Support for measurement beyond 40A/phase is scheduled with an external current sensor (option) and an update of the
fi rmware.
Harmonic/Flicker Analyzer
KHA3000
[
Complied standards
Category Limit value standard Edition Measurement technique standard Edition
Harmonic current
Flicker/voltage fl uctuation
Note: The Chinese Standard GB17625.1-2003 conforms to IEC61000-3-2:2001, thus, tests can be carried out using this unit by specifying the nominal
voltage (220V/380V) for IEC61000-3-2 Ed2.2.
2
]
Compliance with the following standards can be tested.
IEC61000-3-2Ed3 [EN61000-3-2:2006
IEC61000-3-2Ed2.2 [EN61000-3-2A2:2005
JIS C61000-3-2:2005
IEC61000-3-12
IEC61000-3-3Ed1.2 [EN61000-3-3A2:2005
IEC61000-3-11
Initial version
Initial version
[EN61000-3-12:2005
[EN61000-3-11:2000
]
]
IEC61000-4-7
]
]
]
[EN61000-4-15A1:2003
IEC61000-4-7Ed2
[EN61000-4-7:2002
[EN61000-4-7:1993
IEC61000-4-15Ed1.1
Initial version
]
]
]
Characteristics and Features
supply/reference impedance
s
C
card
Finishing the test
Applied to the single phase and the three-phases (40A/phase)
◆
16A/phase or less
IEC61000-3-2, -3-3 IEC61000-3-12, -3-11
Single
phase
3 phases
*1: The JIS specifi es 20A/ phase or less.
*2: For measurement of 40A or more phase current, an optional device (external
current sensor) is required.
*3: KHA1000 is dedicated for single phase (16A or less).
Installed with the latest standards of both
◆
KHA1000
*1
*3
KHA3000
Coversall.
16A to 75A/phase
harmonic and fl icker limits
Refer to the table
bottom of left page.
*The latest standard is referred to the DOP(Date of issue)of the
EN standard.
Comply with the old and new versions of harmonic
◆
[Complied standards]
specified on the
measuring instrument standards IEC61000-4-7
To select the standard, your desired combination can be arranged
by choosing from the limit value standarad and the testing
measurement standard.
*2
No need for a PC for compliance testing
◆
Using this device alone, you can perform a series of test
processes - from setting test conditions and running the test to
judging the test results and outputting result reports - without
the use of a PC. You can enter comments from the test condition
setting screen.
●
Operation fl ow using KHA3000 - from test condition setting to report printing
Test
preparations
• Setting the test system
(
AC power supply/reference impedance
• Setting test conditions
test condition
•
Selecting the measurement screen
ng the measurement screen
Start of test Test resultTest analysis
)
• Saving test data in
a CF card
a
• Printing test reports
• Finishing the test
You can switch between
the old and new
standards to view the
differences in real time.
Harmonic measuring
instrument standard
Window width
Interharmonics
Easy upgrade when standards are modifi ed
◆
IEC61000-4-7Ed2 IEC61000-4-7Ed1
200ms
10c ycle /5 0Hz
12cycle /60 Hz
Interharmonics grouping
(unit of 5 Hz)
16c ycle
None
Integer order harmonics only
(supports the latest standards)
The unit can be easily upgraded from the front panel using a CF
card.
*Users are requested to prepare CF cards.
*Support for USB memory is currently under development.
Link to a PC with a CF card
(external memory)
A Compact Flash (CF) memory
card is used to save test
conditions, reports, screen
hardcopies and data.
*Support for USB memory is
currently under development.
Example of test report (harmonic compliance test)
▲
Test reports can be output
to a CF card in either the
PDF or text format.
You can easily view and
print them using a PC.
The text format is useful
when you want to prepare a
report in your own format.
3
Measurement for harmonic compliance test (16A to 75A/phase)
Is it balanced equipment?
YES
NO
YES
NO
NO
NO
YES
YES YES
NO
Is it hybrid equipment?
Is the maximum 3rd harmonic current
less than 5% of fundamental current?
Is condition a), b) or c) met?
Apply th e limit valu e table
(Standard table 4)
Apply th e limit valu e table
(Standard table 3)
For each p art of hybri d equipm ent,
apply the applicable table,
Apply th e limit valu e table
(Sta ndard ta ble 2, 3 or 4 .)
Limit val ues of “Ba lanced 3 -phase
equipment of specified conditions”
Limit values of
“Balanced three-phase equipment”
Limit values of “equipment other than
balanced three-phase equipment”
Is it a bala nced int erphas e part or a 3 -phase
part separate from the single phase?
Apply th e limit valu e table
(Standard table 2)
◆
IEC/EN61000-3-12
●
Measured values
You can check the minimum
Rsce values that clear the limit
values on the real-time monitor.
Set an estimated shortcircuit ratio(Rsce) value
[Reference] The test fl ow of IEC61000-3-12 limit value application procedure
You can set test conditions while
■
monitoring the measured values.
For the equipment not applied
within R (33), the minimum
short-circuit ratio (Rsce) value
that clears the limit values up to
R (350) needs to be calculated.
KHA3000 can automatically
calculate the short-circuit ratio
(Rsce) values from its the
short-circuit ratio (Rsce)
measured values, I
I
, THD and PWHD, and display
13
, I5, I7, I9, I11,
3
in real time the minimum
short-circuit ratio (Rsce) value of
each harmonic order.
4
Select a category of the equipment for IEC61000-3-12 (single phase, line, balanced three-phase and
unbalanced three-phase) and follow the fl owchart. You can select limit values for the category.
Is it balanced 3-phase equipment?
YES
Does it meet any of the specified
conditions a), b) and c)?
Is it hybrid equipment?
YES
Is the maximum 3rd harmonic current
less than 5% of fundamental current?
NO
You can measure the phase angle of the 5th harmonic current.
You can chec k the specifi ed cond itions.
Specifi ed condition a): You can check for e ach phase whether or not the phase of
the 5th har monic current is w ithin the range of 90° and 150°.
Specifi ed condition c): You can c heck for each phase whether or not the 5th and
7th harmonic current values are both within 5% of t he fundamental c urrent.
*Specifi ed condition b) is d etermin ed by the de sign engineer of ma nufacturers.
NO
You can check whether or not the 3rd harmonic current is less
than 5% of the fundamental current.
In addition, you can selec t a measured value or specifi ed value for the
fundamental current an d view it in either % or Arms.
Measurement for fl icker compliance (voltagee fl uctuation) test (16A to 75A/phase)
◆
IEC/EN61000-3-11
●
You can enter the default Ztest prescribed in IEC61000-3-11.
■
It can be used when you declare the current of the connecting
power supply is 100A or more per phase or when declaring the
maximum allowed system impedance (Zmax).
Judgment of limit values is not required for some items depending
■
on the equipment. For this reason, KHA3000 is designed to let
you select desired items.
[Reference] Outline of IEC61000-3-11 test
All types of equipment with rated current of 75A or less
16A
3-3 standard
Test with Zref
Ｚrefで試験
0.4+j0.25(7)
3-3 limit values are cleared.
Pass
Fail
Test with Ztest
0.25+j0.25(7)
3-11 limit values are cleared.
Pass
> 16A
3-11 standard
Fail
Test with Ztest
random/conditioned
(7)
Convert to Zref.
3-11 limit values are cleared.
Fail
Pass
Calculate Zsys.
Determine Zmax.
Declare Zmax.
Compliant with 3-3 Compliant with 3-3
Connectable
to anywhere
You can specify test impedance.
◆
You can select the standard value (0.25Ω + j0.25Ω) or specifi ed values.
*You can enter specifi ed values for Z
In addition, you can enter specifi ed values for neutral line impedance Z
KHA3000 automatically calculates the measured values (dc, dmax, Pst and Plt) and makes a judgment
◆
whether or not they are below the limit values. When the converted values did not clear the limit values, the unit
automatically calculates the system impedance and displays the minimum value of the 4 Zsys values as Zmax.
This Zmax is declared for IEC61000-3-11.
In manual switching, KHA3000 can calculate Zsys1 and Zsys2 only and display the smaller of the two as Zmax.
(This is possible by switching the display items.)
When testing with randomly selected impedance, time measurement d (t) > 3.3% is not necessary. (You can
◆
remove it from judgment using the judgment option.)
Connectable to supply
current capacity of 100A
A
test and XA test (for reactance) in the range of 0.001Ω to 9.999Ω.
Zact ≤ Zmax
Connectable
to anywhere
N
and XN.
Compliant with 3-11Compliant with 3-11
Connectable to distribution
network of Zmax or less
5
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