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10019 Internal Fault IDSP DLTA FREQ Inverter Rate of Change of Frequency System Severity Level 4 This fault is only tested in Grid Connect modes, where an excessive rate of change of frequency indicates that a local island has formed. This detection mechanism is the primary way of detecting islanding when the island is supported by synchronous rotating generators in addition to Capstone systems. The software declares this fault when the estimate of rate of change of frequency exceeds the Frequency Filter Crossover, for a period of time greater than the AC Underfrequency Time-out. Symptom Probable Cause Analysis Repair Solution The estimate of rate of change of frequency exceeds the Frequency Filter Crossover for a period of time greater than the AC Under- frequency Timeout. The AC Frequency Filter Crossover is wrongly set. Make sure that the power board PM is programmed properly, and it is supported by the control software being used. Re-program the power board PM. The Rate Of Change Of Frequency (ROCOF) Fault Timeout Period is wrongly set. Make sure that the power board PM is programmed properly, and it is supported by the control software being used. Re-program the power board PM. The grid is in fault condition. Especially, a local island has formed Check the quality of the grid and make sure that no local island has formed. Clear the fault condition of the grid. Faulty DPC Control Board DPC Control Board needs replacing. Replace DPC Control Board (See Document 513176) Faulty DPC Power Board DPC Power Board needs replacing. Replace DPC Power Board Observe Safety Precautions - Refer to Important Safety Instructions for Details 430001-001 Rev A (Apr 2002) 171 Troubleshooting Guide Capstone Turbine Corporation reserves the right to change or modify without notice the design, the equipment specifications, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.PDF Image | Overview SERIES 8000 FAULT CODES Solenoid Faults
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