When you are satisfied with the result, press SAVE: test result is
saved. Return to zero the adjustment knob (6).
WHEN YOU DISCONNECT THE PRIMARY CABLES, PLEASE
CONSIDER THE CURRENT TEST VALUE AND THE TEST
DURATION. IF EITHER IS HIGH, CONNECTION CLAMPS CAN BE
VERY HOT: USE PROTECTION GLOVES!
1 .1.3. CT tests : ratio, polarity with booster
There are two types of booster:
. High current booster: primary tests, up to 2000 A;
. Very high current booster: primary tests, up to 4000 A.
1.1.3.1 High current booster
NOTE: this type of booster is selected setting OFF the switch n. 4
of the CONV board PWA21401.
When this test is selected, the following menu is displayed.