GUID-F30E8D82-95A5-4460-AAEE-BBCD9FAD3FEB V1 EN
Figure 328:
Setpoints Successfully Written To The Control Dialog Screen
6.3
Parallel operation
6.3.1
Circulating current and delta VAR methods
The user with access to the Configuration Menu may select the circulating current method
of paralleling LTC transformers, or disable the feature. If the optional ΔVAR®1/ΔVAR2
methods were purchased, they may also be selected. Paralleling by the circulating current
method or the ΔVAR1 method involves a configuration in which each TCC300
Tapchanger Control is used with an ABB M
‑
0115A Parallel Balancing Module. The
control is provided with a current input which is representative of the circulating current
between two or more LTC transformers operating in parallel.
See Appendix A for the HMI Configuration Menus.
6.3.1.1
Circulating current/ΔVAR1
The general paralleling schemes for two and three transformer paralleling using the
circulating current method are shown in
.
1VAC388793-MB A
Section 6
Configuration
TCC300
399
User Manual
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