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POWER TRANSMISSION
MACHINERY CO. HAS
A GROUP
OF EXPERTS
IN ORDER
TO PERFORM TESTS
AND DEFECT
FINDING OPERATIONS
AT SITE.
THE EXPERTS
CARRY OUT
THIS IMPORTANT
TASK USING
ADVANCED AND
CALIBRATED
INSTRUMENTS.
SOME
OF THE
TESTS AND
OPERATIONS ARE
POINTED AS
FOLLOWS:
.
INSULATION RESISTANCE
TEST ( MEGGER
TEST)
.
MEASUREMENT OF
VOLTAGE RATIO
ON ALL
TAPS OF
TAP CHANGER
.
MEASUREMENT OF
NO-LOAD CURRENT
.
MEASUREMENT OF
tgΔ
.
MEASUREMENT OF
WINDING RESISTANCE
OF LV &
HV
. ETC..
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