Functional Principle - ABB SYN 5201 Operating Instructions Manual

Operating Instructions
2

Functional principle

2.1 Brief description
The SYNCHROTACT 5 digital synchronizer is used for automatic synchronizing and
paralleling of generators with lines and for the paralleling of already synchronous lines.
The device is designed for system frequencies of either 50/60 Hz or 16
SYN 5201 is a single-channel synchronizing device whose component choice and
software design provides the highest security against incorrect paralleling.
SYN 5202 consists of two independent channels with different hardware and software.
This dual-channel property maximizes security against incorrect paralleling.
All parameters required for paralleling are stored in a parameter set. The paralleling
conditions and the characteristics of the voltage and frequency matchers are defined in
this set. With the option providing seven parameter sets, paralleling can be carried out
under different conditions or with different matcher characteristics using the same
device. Seven configurable digital inputs and outputs are available for the selection and
back indication of a parameter set.
The data which are important for commissioning and for control purposes can be
uploaded or downloaded using the PC tool SynView or, alternatively, via the keypad on
the front panel of the unit.
abb
ABB Switzerland Ltd
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SYN 5201/SYN 5202
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