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In a Group 5 Controller Closed Transition operation, what criteria must be met by both sources to be considered synchronized or in-sync?

Three (3) criteria must be met by both sources for it to be considered synchronized or in-sync.
  1. The phased difference between the sources must be less than 5 degrees.
  2. The frequency difference must be less than 0.2Hz,
  3. The voltage difference must be less than 5%.

Note: These parameters are displayed. The controller waits for the sources to become in-sync.

Reference: Page 26 of Group 5 Controller Manual
381333-126
For further questions, you may send your inquiry to technicalsupport@ascopower.com or Contact 1.800.800.ASCO (2726).

ASCO Power Technologies USA

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