Megger IDAX Series, Руководство пользователя

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Results User Interface 65
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repeated by selecting data file and choosing File / Remake Measurement. This will create
a new command file copy from data file, which is possible to start again. (The name of
command file will remain the same as original data file with additional number at the end,
for example xxxxx-2 or yyyy-3, where number indicates times the measurement has been
repeated.
·
When measurement is finished the next command file in given Measurement Sequence can
be selected and run until the entire Measurement Sequence is done. Unwanted command
files can be deleted or simply left as they are.
2.2.2 Measurement Templates
Measurement Templates are templates which are recommended to use when performing
various measurements on power and distribution transformers, bushings and cables. The form
view of Measurement Template is pre-specified, however, can be modified to satisfy different
requirements. For information about the commands in the IDAX C file see the Commands and
Variable Reference in the program help file or included pdf manual.
In all Measurement Templates it is provided that user can choose to perform either:
1) frequency sweep down to a specified stop frequency, or
2) measurement only at power frequency (50 or 60 Hz). This last option is not available for XLPE
cable measurements and in limited extent in general measurement plans.
Two winding transformer
Available Measurement Templates are:
§ 2W-CH - measurement of insulation between high voltage winding and ground
§ 2W-CHL - measurement of insulation between high and low voltage windings
§ 2W-CL - measurement of insulation between low voltage winding and ground
Three winding transformer
Available Measurement Templates are:
§
3W-CH - measurement of insulation between high voltage winding and ground
§ 3W-CHL - measurement of insulation between high and low voltage windings
§ 3W-CHT - measurement of insulation between high voltage and tertiary winding
§
3W-CLT - measurement of insulation between low voltage and tertiary winding
§ 3W-CL - measurement of insulation between low voltage winding and ground
§ 3W-CT - measurement of insulation between tertiary winding and ground
Autotransformer without tertiary winding
Available Measurement Templates are:
§ 2WA-CH - measurement of insulation between high/low voltage winding and ground
Autotransformer with tertiary winding
Available Measurement Templates are:
§ 3WA-CH - measurement of insulation between high/low voltage winding and ground
§ 3WA-CHT - measurement of insulation between high/low voltage and tertiary windings
§ 3WA-CT - measurement of insulation between tertiary winding and ground
Bushings
Available Measurement Templates are (for each phase):
§ C1, H1 - measurement of bushing H1* main insulation, C1
§ C1, H2 - measurement of bushing H2 main insulation, C1
§
C1, H3 - measurement of bushing H3 main insulation, C1
§ C2, H1 - measurement of bushing H1 insulation between test tap and ground sleeve, C2
§ C2, H2 - measurement of bushing H2 insulation between test tap and ground sleeve, C2
§ C2, H3 - measurement of bushing H3 insulation between test tap and ground sleeve, C2