CHAPTER 8: APPLICATION OF SETTINGS SETTINGS EXAMPLEC70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL 8-158The maximum rated phase current of the healthy bank:Eq. 8-11The maximum rated voltage across the healthy top section:Eq. 8-12The maximum rated voltage across the healthy bottom section:Eq. 8-13The voltage distribution factor for the healthy perfectly balanced bank for the 87V-2 and 87V-3 elements:Eq. 8-14The impedance of the string for the failed capacitors elements (for one failed element, n f = 1:Eq. 8-15The voltage at the tap in the section with one failed capacitor element in the string:Eq. 8-16The voltage of the top section with one capacitor element failed:Eq. 8-17The overvoltage at the affected capacitors with one capacitor element failed:Eq. 8-18The differential voltage between two taps with one failed capacitor element in the upper string, assuming K = 1 for 87V-1,in per-unit values is:Eq. 8-19The differential voltage between the bus voltage and the tap with one failed capacitor element in the upper string,assuming K = 1, for 87V-3 in per-unit values is:Eq. 8-20The unbalance current in the window type CT between two strings with one failed capacitor element in the upper string:Eq. 8-21
