ATS/Voltage
ATS Setup
Press ENTER when the selector arrow rests at the ATS Setup item to change the following settings:
Transfer Points The
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•Low: The low voltage limit that causes the ATS to switch from Source 1 to Source 2. Press ENTER to change this setting.
•High: The high voltage limit that causes the ATS to switch from Source 1 to Source 2. Press ENTER to change this setting.
•Other Settings: The settings on this screen determine when the source is OK, and define the quality of the source. Press ENTER when the selector arrow rests at this item to change the following settings or thresholds:
–Freq: The frequency cannot vary beyond this configured range (+/– x.xx Hz).
–Phase Balance: The percent voltage difference between two phases cannot exceed this configured setting (%).
–Phase Sequence: The phase rotation (default is
Transfer Setup The following settings can be changed in this menu:
•Open Xfers: Defines how long BOTH the Source 1 and Source 2 switches will be OFF (open) during an open transfer (see page 8 for a definition of open transfers).
•Allow Closed: Enables/disables closed transfers (see page 8 for a definition of closed transfers).
•Max Sync: The maximum time allotted for the ATS to attempt a closed transfer before it performs an open transfer.
•ATS Delay Settings: The time delay settings that affect transfers and retransfers.
–Gen Start: The amount of time allotted between when the generator receives a start signal and when the generator starts (default is 0).
–Line Stable: If the ATS switches to Source 2 after a failure in Source 1, and Source 1 is restored, the Line Stable setting is the amount of time (in seconds) allotted for Source 1 to become acceptable before the ATS returns to it (default is 3 minutes).
–Min on Gen: The minimum time the generator must run before the ATS retransfers to utility (default is 15 minutes).
InfraStruXure Power Generation System | 35 |