12
Step 3. Power on and prepare parameters Settings.
Step 4.Then switch cursor to the “start” button to start
Fig 2.5 PT’s DC resistance and excitation
Fig 2.6 PT’s ratio and excitation
2.2.2 Expansion Parameters
Fig 2.7 PT parameter establish interface
parameter Settings:
Switch cursor to where the parameter you want to set by turning the Rotating mouse
1. Serial number and resistance number: Input letters and numbers directly
2. Rated secondary voltage
sn
V
: Secondary rated voltage of Voltage transformer
3. Class:For CT,there’re 2 options for Measured winding class, they are P and metering
etc.
4. Current temperature:When measure the temperature of winding, generally input the