21
Application
3Application
3.1 Safety Instructions for Connecting the CP SB1 to
Power Transformers
3.1.1 Before Starting
3.1.2 Connecting the Measurement Setup to Power Transformers
1. Position the CP SB1 in the safety area and do not enter this area during the
entire measurement.
2. Connect the CPC 100 and CP SB1 using the delivered grounding cable.
3. Connect the grounding cable of the CP SB1 at a safe grounding point at the
transformer.
Note: Do not operate the test equipment without safe connection to ground.
4. Make sure that all high-voltage connections of the transformer are removed.
5. Make sure that all terminals of the transformer are connected to ground.
6. Switch off the power supply of the tap changer.
7. Connect the Kelvin clamps to the bushings.
Caution: Before operating the CP SB1, always observe the five general safety
rules as described in "General" on page 7.