Settings
E
Current Transformer Test
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Performing Current Transformer Test:
For the current transformer
test, it is necessary to enter the Current Transformer Ratio first.
Please examine the section "Current Transformer Ratio" in the
manual to enter the current transformer ratio.
In order to make a current transformer test, when you press the "ESC"
and "DOWN" buttons together for 5 seconds while on the measurement
screen (while MEASUREMENTS led is on), "test" written will appear on
the screen. When you press the "SET" button, the device starts the
current transformer test. SETTINGS led and Pr1: Current Transformer
led turns on steadily. The device performs the current transformer
connection test by activating and deactivating the 1st and 2nd stages
respectively. If there is no problem in the connection (reverse connection
of current transformer k-l terminals is not important) "true" written is
displayed on the screen. Press the SET button to save the test and press
the ESC button to return to the previous menu without saving.
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Err0 Error:
If you get an "Err0" error in the current transformer
test, it means the voltage value that feeds the device is lower than
160V. Check the connections and perform a current transformer test
again after eliminating the error.
Err1 Error:
If you get an "Err1" error in the current transformer
test, there may be a loose contact in the current transformer output
connections (s1 (k) and s2 (l). Check the connections and perform a
current transformer test again after eliminating the error.
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Err3 Error:
If you get an "Err3" error in the current transformer test, it
means there is an error in the current and voltage sequence. The phase to
which the current transformer is connected and the phase that feeds the
device may not be the same. In addition, fast load changes in the system,
defective contactors/capacitors, loose connections at the current
ends/steps outputs may also cause this error Check the connections and
perform current transformer test again after eliminating the error.
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Err2 Error:
If you get an "Err2" error in the current transformer test,
it means that the step current is insufficient. In order for the current
transformer test to be completed successfully, the total value of the
1st and 2nd step must be 1 in 40 of the current transformer value.
(For example: For a 50 / 5A current transformer, the total value of the
capacitors connected to the 1st and 2nd step must be at least 1.2kVAr
(three phase).)
For the Err2 error, please make sure that; The life of the capacitors
may be over, the capacitors may not be energized, the capacitor
feeding may have been taken before the current transformer, the
current transformer ratio may not be entered to the device.
10
Settings
E
Current Transformer Ratio
Entering Current Transformer Ratio:
In order to change the
Current Transformer Ratio, press the “SET” button for 2 seconds
while on the measurement screen (while MEASUREMENTS led is on).
When you enter the setting menu, the MEASUREMENTS led will turn
off and the SETTINGS led will light up.
After entering the settings menu, the first parameter displayed on the
screen is Pr1: Current Transformer Ratio. While this parameter is
displayed on the screen, the led (Pr1: Current Transformer Ratio) of the
parameter also lights up steadily. To change the value of this parameter,
press the "SET" button and see that the led for the parameter is blinking.
When the parameter led is blinking, you can change the value of the
parameter by using the DOWN and UP buttons. After changing the
value of the parameter, press the SET button to save and press the
ESC button to return to the previous menu without saving.
When the changed parameter value is saved by pressing the SET
button, the device returns to the previous menu, the parameter value
is displayed on the screen and the parameter led does not blink, it
lights up steadily.
Example: If the Current Transformer Value is 100/5A, the ratio value
to be entered in Pr1 is "20". (100/5 = 20)
Monitoring Step Values:
In order to see the step values that the
device measures automatically, press the “SET” button for 2 seconds
while on the measurement screen (while MEASUREMENTS led is on).
When you enter the setting menu, the MEASUREMENTS led will turn
off and the SETTINGS led will light up.
After entering the settings menu, the first parameter displayed on
the screen is Pr1: Current Transformer Ratio. Press the DOWN button
to access Pr2: Step Values parameter. To see the step values, press
the "SET" button and see that the led of the Pr2 parameter is blinking.
While the parameter led is blinking, you can see the step values by
using the DOWN and UP buttons. While the step value is displayed on
the screen, the information of which step this value belongs to is
associated with the step leds on the top of the screen. Press the
DOWN and UP buttons to switch between the step values and press
the ESC button to return to the previous menu.
NOTE: When entering this menu, the device deactivates the activated
steps one by one.
Settings
E
Monitoring Step Values
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UP
DOWN
UP
DOWN
