DV Power TRT30C 매뉴얼 - 페이지 13

{카테고리_이름} DV Power TRT30C에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. DV Power TRT30C 19 페이지. Three-phase transformer, turns-ratio test instrument

TRT30C

4 Error Messages

Any operational error is indicated by a red LED and accompanied by an audio alarm. Furthermore, the

display indicates an error status message. To remove the status message on the display and return to the

main menu, press

STOP

The Error message "Excitation current too high" is displayed if the excitation current exceeds expected

values. This value is set to 500 mA. The excitation current can be reduced by selecting lower test voltages

from the device menu.

Figure 4-1:

Error message

"Excitation current too high"

Possible reasons for this are that the transformer is drawing too much current. In that case, the test should

be repeated with a lower test voltage. Another reason for an excitation current which is too high is that the

connections are reversed. If there are no connections errors found, there may be a short circuit within the

transformer itself.

This message is displayed if the turns ratio of the transformer under the test is lower than 0.8. In this case

the user should check whether H and X cables are misplaced (reversed).

Figure 4-2:

Error message

"Turns ratio too low''

In the case of an internal error, the TRT30C will display the massage "Malfunction". In this case, the

TRT30C device should be restarted.

If the error occurs repeatedly, please contact the DV P

"Manufacturer Contact Information").

Figure 4-3:

Error message

"Malfunction"

M-T030CN-203-EN

Support Team (refer to the section

OWER

Error Messages