TRANSFORMER WINDING RESISTANCE TEST - தமிழ், COPPER & ALUMINUM WINDING, FORMULA,TEST REPORT ANALYZE

00:00 WELCOME CHANNEL
00:04 PRINCIPLE & PURPOSE
01:24 INFORMATION ABOUT WHEATSTONE BRIDGE
01:44 INFORMATION ABOUT KELVINS DOUBLE BRIDGE
02:06 TEST PROCEDURE FOR CURRENT VOLTAGE METHOD
03:59 CIRCUIT DIAGRAM & TEST REPORT ANALYZE FOR CURRENT VOLTAGE METHOD
07:22 TEST PROCEDURE FOR CPC-100
08:37 TEST PROCEDURE FOR MT0210 - MEGGER
09:39 TEST REPORT ANALYZE FOR HV - DELTA SIDE
11:14 FORMULA FOR COPPER & ALUMINUM WINDING FOR CONVERTING 75 °C
13:25 TEST REPORT ANALYZE FOR LV - STAR SIDE
15:02 10 POINTS TO REMEMBER BEFORE STARTING THE TEST
16:57 THANK YOU

ELECTRICAL CONCEPTS, ELECTRICAL EQUIPMENT TESTING , COMPONENTS TESTING, RELAY TESTINGS,,,,

WINDING RESISTANCE TEST - DC CURRENT INJECTION

######### AS INJECTING DC CURRENT TO TRANSFORMER WINDING'S, RESISTANCE OF WINDING'S WERE MEASURED .

BY THIS WAY RESISTANCE WERE MEASURED TO DETERMINE IF ANY CHANGES WERE OCCURRED IN THE CURRENT CARRYING PATH OF THE TRANSFORMER ########

##### THIS TEST IS USED FOR FINDING SHORT CIRCUIT IN WINDING TURNS , POOR JOINTS, BAD CONTACTS, TO CHECK TAP SELECTOR AND DIVERT-ER SWITCH CONTACTS####

***WHEATSTONE BRIDGE, KELVINS BRIDGE, VOLTAGE CURRENT METHOD***

TRANSFORMER TESTING,,CORE INSULATION RESISTANCE TEST,,, TRANSFORMER WINDING RESISTANCE TEST,,, TRANSFORMER WINDING INSULATION RESISTANCE TEST,,,

INSULATION POWER FACTOR TEST FOR BUSHING AND OIL AND WINDING,,,

POLARITY TEST $ VECTOR GROUP TEST $ PERCENTAGE IMPEDANCE TEST,,,

TRANSFORMER TURNS RATIO TEST,,, TEST REPORT DISCUSSION,,,,

### TEST REPORT ANALYSE ###
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