InputEasun Reyrolle Limited, IndiaINPUT DATA for CSC 101 / CSC 162 Relays:Fill the following Data1Voltage Level (KV)132.00002PT Ratio12003CT Ratio400.00004Positive seq. Resistance(R1) / Km0.15405Positive seq. Reactance(X1) / Km0.38706Zero seq. Resistance(R0) / Km0.30307Zero seq. Resistance(X0) / Km1.40968Line Length (Km)7.00009Maximum Load Current (Primary in A)400.000010Operating Power Factor0.860011Zone 1 Settings required in %80.000012Arc Resistance Required (In Primary ohms)0.000012Zone 2 Settings required in %150.000013Zone 3 Settings required in %400.000014Zone 4 Settings required in %25.000015Zero Seq. Mutual Reactance (Xm0)0.0000

Settings to be adopted in RelaySETTINGS TO BE ADOPTED(CT Secondary Rated : 1A, PT Secondary : 110V P-P)1KV, CTR, LL( As It Is)2Kr0.3233Kx0.8814Km0.0005R_Line0.3596X_Line0.9037R1_PE0.7228X1_PE0.7229R2_PE1.89410X2_PE1.35511R3_PE5.04912X3_PE3.61213R4_PE0.31614X4_PE0.22615R1_PP0.72216X1_PP0.72217R2_PP1.89418X2_PP1.35519R3_PP5.04920X3_PP3.61221R4_PP0.31622X4_PP0.22623Max Load Resistance Observed on Ohms32.798Note : Select the Resitance Value of the Z3 or Z4 such that it should be less than the Max. Load Resistance CalculatedCreated By:G.MahendiranDeputy Manager - Product ManagementEasun Reyrolle LimitedHosur, India - 635 126Moile : +91 99524 25301.Email : mahendiran@easunreyrolle.comAll Rights Reserved to M/s. Eaun Reyrolle Limited., Any form of Reproduction of this copy is prohibited.

CalcEASUN REYROLLE LIMITED, INDIAINPUT DATA for CSC 101 / CSC 162 Relays:INPUTCOMMON PARAMETERS:1Voltage Level (KV)132CTR / PTR0.33333333332PT Ratio1200Kr0.32251082253CT Ratio400Kx0.88079242034Positive seq. Resistance(R1) / Km0.154km5Positive seq. Reactance(X1) / Km0.387R_Line0.35933333336Zero seq. Resistance(R0) / Km0.303X_line0.9037Zero seq. Resistance(X0) / Km1.4096Zone 1 Ph-E Fault:8Line Length (Km)7R1_pe0.28746666679Maximum Load Current (Primary in A)400X1_pe0.722410Power Factor0.86max(x1_pe/2,25/LZ+R_line)8.692666666711Zone 1 Settings required in %80R1_pe derived (as per Manual)0.287466666712Zone 2 Settings required in %150X1_pe Rect0.361213Zone 3 Settings required in %400Min(8*X1_Rect, R1_pe/4)0.071866666714Zone 4 Settings required in %25R1_pe Rect0.722415Zero Seq. Mutual Reactance (Xm0)0R1_pe to be Set0.7224Zone 1 Ph-Ph Fault:R1_pp0.2874666667Zone 2 Ph-E Fault:X1_pp0.7224R2_pe0.539max(x1_pp/2,15/LZ+R_line)5.3593333333X2_pe1.3545R1_pp derived (as per Manual)0.2874666667max(x2_pe/2,25/LZ+R_line)8.6926666667X1_pp Rect0.3612R2_pe derived (as per Manual)0.539Min(8*X1_Rect, R1_pp/4)0.0718666667X2_pe Rect0.67725R1_pp Rect0.7224Min(8*X2_Rect, R2_pe/4)0.13475R1_pp to be Set0.7224R2_pe Rect1.3545R2_pe to be Set1.8935Zone 3 Ph-E Fault:Zone 2 Ph-Ph Fault:R3_pe1.4373333333R2_pp0.539X3_pe3.612X2_pp1.3545max(x3_pe/2,25/LZ+R_line)8.6926666667max(x2_pp/2,15/LZ+R_line)5.3593333333R3_pe derived (as per Manual)1.4373333333R2_pp derived (as per Manual)0.539X3_pe Rect1.806X2_pp Rect0.67725Min(8*X3_Rect, R3_pe/4)0.3593333333Min(8*X2_Rect, R2_pp/4)0.13475R3_pe Rect3.612R2_pp Rect1.3545R3_pe to be Set5.0493333333R2_pp to be Set1.8935Zone 3 Ph-Ph Fault:R3_pp1.4373333333Zone 4 Ph-E Fault:X3_pp3.612R4_pe0.0898333333max(x3_pp/2,15/LZ+R_line)5.3593333333X4_pe0.22575R3_pp derived (as per Manual)1.4373333333max(x4_pe/2,25/LZ+R_line)8.6926666667X3_pp Rect1.806R4_pe derived (as per Manual)0.0898333333Min(8*X3_Rect, R3_pp/4)0.3593333333X4_pe Rect0.112875R3_pp Rect3.612Min(8*X4_Rect, R4_pe/4)0.0224583333R3_pp to be Set5.0493333333R4_pe Rect0.22575R4_pe to be Set0.3155833333Zone 4 Ph-Ph Fault:Maximum Load Resistance:R4_pp0.0898333333Theta (DEGREES(ACOS(PF)))30.683417109X4_pp0.22575Factor = (K re * 0.9) / (K rel * K ss* IL max)0.0013701923max(x4_pp/2,15/LZ+R_line)5.3593333333Factor * KV180.8653846154R4_pp derived (as per Manual)0.089833333363.4 - Theta32.716582891X4_pp Rect0.112875Sin(63.4 - Theta) / Sin 63.40.6044637834Min(8*X4_Rect, R4_pp/4)0.0224583333Load Resistance Primary109.3265746796R4_pp Rect0.22575Load Resistance Secondary36.4421915599R4_pp to beSet0.315583333390% of Load Resistance32.7979724039