current transformer

Basic Parameter

Primary current (A)

Secondary current (mA)

Resistance

Rb (Ω)

Maximum currant (A)

Class

Remark

0.3

2.5

10

1.2

0.1

Current error and phase error limited

Class

Current error±(%)

Phase error( )

0.01In

≥0.05In

0.01In

0.05In

0.2In

1In

2In

3In

Imax

0.1

0.2

0.1

15

8

5

5

5

5

5

0.2

0.4

0.2

30

15

10

10

10

10

10

Note,between the current 0.2In~Imax,taking the average δe between the maximum and minimum phase error.

 δi=δi-δe.( δI, phase error,δI, phase displacement when the working current at i time,δe,average phase displacement)

Working Atmosphere

Limiting ambient temperature -40°C~+70°C,Relative humidity (RH) ≤98(25°C),Altitude ≤3000m

Main Electric performance

The withstand voltage between the primary and secondary windings is no less than 3kV and insulation resistance is no less than 1GΩ