ABB Zenith ZTG 30, Operation, Maintenance And Installation Manual

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Measurements
Switch Diagnostics
Total operations I-O-II switches: Total number of transfers I-O, O-II, II-O
and O-I.
I-II switches: Total number of transfers I-II and II-I.
Manual operations Total transfers operated by the handle.
Number of load transfers Total number of transfers I-II and II-I.
Transfer time Time it took to transfer the load between sources (ms).
Source fail transfers Total number of automatic transfers due to source
failures.
Days energized
Total time on S1 Hours
Total time on S2 Hours
Time S1 available Minutes
Time S2 available Minutes
Last generator start MMM DD, YYYY hh:mm:ss
Generator starting time How long it took for the generator to become
acceptable after latest start (s).
In-phase time How long it took for the in-phase monitor to achieve
synchronized transfer (s).
Event Log 250 time stamped events, latest first.
Harmonics
Harmonic components up to 15th are calculated for the
selected phase.
Measured Phase Disabled*
Phase 1
Phase 2
Phase 3
Voltage Total distortion THD for each phase of both voltage
sources.
S1 Components Each harmonic component of the
selected S1 phase.
S2 Components Each harmonic component of the
selected S2 phase.
Power Factor
Enabled only when current measurement module is
connected.