VOLTAGE DROP TESTER MODEL
VDT
 Designed
and manufactured for testing DC motor/Generator armature of faults
like interturn shorts , Dry soldering and open circuit.
Test is carried by passing High current through two carbon brushes
kept at distance equal to coil pitch .Test current can be varied
upto 70 Amp. Through autostat and can be seen on Analog ammeter
fitted.
Voltage drop can be checked on Analog Milli voltmeter whose lead are
to be touched on segment side by side . If any interturn short/open
coil is there reading will vary. In case of dry solder or loose
joint , joint portion will get heated up
|
Particulars |
Parameters |
|
Test Current |
0 70 Amps (Continuously
Adjustable) |
|
Ammeter |
0 75 Amps |
|
Milli Volt Meter |
1) 0 50 mV
2) 0 - 200 mV |
|
Operating Voltage |
220 V AC Single Phase 50 Hz |
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SURGE COMPARISON TESTER
 Surge Comparison testing is the most
comprehensive quality control method for electrical winding . It is
extremely effective as a diagnostic tool to evaluate and detect any
winding faults that may exist. The tester can detect and identify
turn to turn , coil to coil and phase to phase short.
Reversed coils connections opens and grounds. In addition to surge
test a DC high potential test can also be made. Both the tests are
non destructive.
|
MODEL |
SCT05 |
SCT10 |
SCT15 |
|
Test Voltage (KV) |
0-5 |
0-10 |
0-15 |
|
Pulse Current (Amp) |
330 |
660 |
1000 |
|
Pulse Energy (joules) |
1.0 |
5.0 |
11.3 |
Operating Voltage 220 V AC Single Phase 50 Hz.
|
