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Old July 28th, 2016, 10:36 AM
shabnams
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Join Date: Dec 2012
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Default Re: Testing And Commissioning Vtu Notes

As per my searching I was founded question paper of Testing And Commissioning VTU.

The Testing And Commissioning is 7th sem subject in EEE at VTU.


Testing And Commissioning Notes








Here I’m attaching PDF of Testing And Commissioning VTU question paper:


Objective

To confirm the physical condition and electrical characteristics of current transformer installed in the installation. Ensure the CT is connected to system properly in all respect (primary and secondary).


Test Equipment Required
Required equipment for testing:

Insulation tester
Polarity tester
Digital low ohmmeter
Current source, multimeter
Variac, step-up transformer (0-2kv)
Primary current injection set

Insulation Resistance Test
The voltage shall be applied between:

Primary to secondary plus ground (covered during switchgear test).
Secondary to primary plus ground.
Secondary core to core.
Test voltage limits mentioned in table below. The ambient temperature shall be noted down during test.

Table – Test Voltage Limits

Rated voltage Test voltage
100-1000V AC/DC 1000V DC
>1000 to 5000V 5000V DC
Attached Files
File Type: pdf Testing And Commissioning Notes.pdf (744.2 KB, 145 views)
File Type: pdf Testing And Commissioning VTU question paper.pdf (528.3 KB, 81 views)
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