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206
KHA3000
61000-3-3 and 61000-3-11: Test Flow
The test flow is shown below. The test execution is from when the START key is pressed to
when the test time expires. After the end of the test time, you can save the test results, print
reports, terminate the test and analyze the test results.
p. 229
For details on analyzing the test results and judging conformance to the standard and AC
power supply and repeatability checking, see Chapter 10
“ Observation, Analysis and
Judgement of Voltage Fluctuations .”
See
Does
the rated
current exceed
16 A?
Test method
Yes
No
Yes
No
Yes
No
Test execution Test execution Test execution
Calculate Zmax
When you declare that the power supply to
be connected requires a current capacity
of 100 A or more per phase
The condition where the
current capacity of the
power supply to be connected
is 100 A or more per phase
When you declare the maximum
permissible system impedance
(Zmax) of the power supply to be
connected
The condition where the
maximum permissible system
impedance (Zmax) of the
power supply to be connected
is declared
Impedance selection
Measured
value conversion
Measured
value conversion
Equipment
Three-phase
Single-phase
Reference
impedance
16 A or less
More than 16 A
0.15
Ω
+ jn0.15
Ω
0.25
Ω
+ jn0.25
Ω
Impedance causing
voltage drop of 3 % to 5 %
All types of equipment with rated current of 75 A or less
Set the voltage and
frequency of the AC
power supply
Set the test conditions
of this product
Are the
limit values of
61000-3-3
satisfied?
Are the
limit values of
61000-3-11
satisfied?
Are the
limit values of
61000-3-11
satisfied?
Conforms to 61000-3-3.
Declare conformance to 61000-3-11. Declare conformance to 61000-3-11.
The expression of each item is simplified. For details, refer to the standards.