Testing or maintenance of transformers

Testing or maintenance of transformers
a. Routine testing
Routine testing is testing performed on each

transformer, include:

• insulation resistance testing
• testing coil prisoners
• comparison testing entanglement
• test vector group
• loss testing iron and empty load current
• copper loss and impedance testing
• applied voltage test (withstand Test)
• testing the induced voltage (induce Test).

b. testing type
Testing is a type of testing that is carried out on a
representing transformer transformer similar to
showed that all these types of transformers meet
requirements that have not been covered by routine testing. Testing consisted types
of testing:

• temperature rise test
• impedance testing