THOMSON TS 870, Инструкция по установке, эксплуатации и обслуживанию

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TS 870 Transfer Switch
PM062 REV 11 16/04/19 24 Thomson Power Systems
generators which are normally de-energized and are signaled to start from the
Master ATS.
5.3.1. DUAL UTILITY ATS
A Dual Utility application allows an operator to select which source is “preferred” (i.e.
Either source may be selected as Preferred), therefore, the alternate source will act as
the standby source. The Preferred selected source will continuously operate on load.
The non-selected preferred source, or standby, will remain off load. The standby
source will automatically transfer on load should the Preferred source fail once the
Transfer From Preferred Source Delay
timer expires. When the Preferred selected
source is returned to normal operating status, the load will automatically retransfer back
to the Preferred selected source once the Return to Preferred Source Delay
timer
expires. If the Preferred Source Selector switch is turned to the non-operating source,
the load will automatically transfer to this new Preferred source once the Transfer From
Preferred Source Delay
timer expires.
5.3.2. DUAL PRIME GENERATOR ATS
A Dual Prime Generator application allows an operator to select which generator is
preferred (i.e. Either generator may be selected as Preferred), therefore, the alternate
generator will act as the standby source. The Preferred selected generator will
continuously operate on load with an engine start signal maintained. The non-selected
preferred generator, or standby, will remain off load. The standby generator will be
signaled to automatically start the engine and transfer on load (following its warm up
delay period) should the Preferred generator fail once the Transfer From Preferred