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WR14 / WR50-12/13 Winding Resistance Meter Instruction Manual
Version 3.03
INTRODUCTION TO TRANSFORMER PROFILES AND DATA STRUCTURE
There are many instruments that measure and offer the possibility to store the measured value. This is a
very useful feature which saves time and eliminates the possibility of errors of writing down values by
the operator. However, the measured data must be handled and organized in a proper manner to be
useful. Mishandling data collected by multiple operators and multiple instruments could easily introduce
errors and mistakes within the data sets.
The WR instruments offer another very powerful software tool for organizing and handling transformers
which are tested time and again. This allows building a history of a transformer.
Once a transformer record, or a Profile, is created, then many measurements can be directly attached to
this record file. Manually logging, storing and sorting measurements will not be necessary once a Profile
is created.
The Profile record of a transformer contains the general header information and an attached result
contains the measurements of the transformer. Or to define it more exactly:
A transformer / profile contains:
Number of winding systems
Type of winding systems (Configuration)
Rated voltages (primary, secondary, tertiary)
Name plate info (name, serial number, location, manufacturer, type and remarks)
A measurement contains:
Measured results of all phases
Date and time
Operator name
Start by creating a new transformer Profile. Then measurements are made and stored (attached to the
Profile). In this case, the profile and the actual measurement will be stored together.
Or you may load an existing transformer Profile then do the required measurements and store them. In
this case, the new measurement will be attached (stored) with the loaded or active transformer Profile.
This is illustrated in the following scenario:
