Test Result
一、Terminal sign test environment temperature ℃
二、Insulation resistance test (2500V MΩ)
Primary winding to sencondery winding and the earth MΩ
Resistance between secondary windings and the earth MΩ
三、Insulation strength test
Test for frequency compression of primary winding kV/ min;
Test for frequency compression of secondary winding kV/ min;
Test for frequency compression of sections of primary winding kV/ min;
Turn to trun insalution strength test: primary current A secondary voltage kV
四、Partical discharge test: measurement voltage kV/ Pc
五、Error test
Precision level Secondary winding sign I1/Im burden
(VA) f(%) δ(´) burden
(VA) f(%) δ(´)
1%
六、Protactice winding excitation character:
Precision level Secondary winding sign Test item Real measurement
I02(A)
U02(V)
I02(A)
U02(V)
I02(A)
U02(V)
全部回复(1 )
只看楼主 我来说两句 抢板凳