ABB RET670 Product Manual page 4

Transformer protection RET670
Pre-configured
Product version: 1.1
configuration tool ensures simple and fast
testing and commissioning.
Serial data communication is via optical
connections to ensure immunity against
disturbances.
The wide application flexibility makes this
product an excellent choice for both new
installations and the refurbishment of existing
installations.
Four packages has been defined for following
applications:
• Two winding transformer in single
breaker arrangements (A30)
• Two winding transformer in multi
breaker arrangements (B30)
• Three winding transformer in single
breaker arrangements (A40)
• Three winding transformer in multi
breaker arrangements (B40)
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1MRK 504 091-BEN B
The packages are configured and ready for
direct use. Optional functions are not
configured but a maximum configuration
with all optional functions are available as
template in the graphical configuration tool.
An alternative for Autotransformers is also
available as a configuration template. Analog
and tripping IO has been pre-defined for
basic use on the, as standard supplied one
binary input module and one binary output
module. Add binary I/O as required for your
application at ordering. Other signals need to
be applied as required for each application.
For details on included basic functions, refer
to chapter ""
The applications are shown in figures 1, 2,
and 4 for single resp. multi-breaker
arrangement.
Issued: June 2010
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ABB