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Given the power system shown below along and its related data: Item Voltage X² X Rating (pu) (pu) 20 KV 0.2 0.05 0.2 0.05 0.4 0.2 0.05 0.1 0.1 0.1 0.1 X¹ (pu) 0.2 13.2 KV 0.2 13.2 KV 0.2 Transformer T₁ 20/230 KV 0.1 Transformer T₂ 220/13.2 KV 0.1 Line: Xline=0.43 s/km for 60 km, Xline0= 1.5 n/km Generator Motor M₁ Motor M₂ Base MVA 300 200 100 350 300 G +36 + T i) ii) iii) X₂ (2) 0.4 d) Find all phase fault currents phase fault voltages in case of the : Three phase balanced fault at bus # 3 Single line to ground fault at bus # 3 Double line to ground fault at bus # 3 ΝΑ ΝΑ NA (M₁) 3) T₂ a) Draw the one line impedance diagram for the network and indicate all per- unit values using a system base of 300 MVA, 20 KV on the generator side. b) Draw the corresponding equivalent circuit network for the positive sequence, for the negative sequence network and for the zero sequence networks. M₂ c) Draw the Thevenin equivalent for each sequence circuit for the case of fault at bus # 3

Given the power system shown below along and its related data: Item Voltage X² X Rating (pu) (pu) 20 KV 0.2 0.05 0.2 0.05 0.4 0.2 0.05 0.1 0.1 0.1 0.1 X¹ (pu) 0.2 13.2 KV 0.2 13.2 KV 0.2 Transformer T₁ 20/230 KV 0.1 Transformer T₂ 220/13.2 KV 0.1 Line: Xline=0.43 s/km for 60 km, Xline0= 1.5 n/km Generator Motor M₁ Motor M₂ Base MVA 300 200 100 350 300 G +36 + T i) ii) iii) X₂ (2) 0.4 d) Find all phase fault currents phase fault voltages in case of the : Three phase balanced fault at bus # 3 Single line to ground fault at bus # 3 Double line to ground fault at bus # 3 ΝΑ ΝΑ NA (M₁) 3) T₂ a) Draw the one line impedance diagram for the network and indicate all per- unit values using a system base of 300 MVA, 20 KV on the generator side. b) Draw the corresponding equivalent circuit network for the positive sequence, for the negative sequence network and for the zero sequence networks. M₂ c) Draw the Thevenin equivalent for each sequence circuit for the case of fault at bus # 3

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Course EE466 POWER SYSTEM PROTECTION Solve for Step D continue the solution.. can please the same person who Solve A,B and C continue Solveing it ? Solve the last step clearly
12:33 P Given the power system shown below along and its related data: Y Item Generator Motor Mu Motor M₂ Transformer T₁ Transformer T₂ Line: Xline D = Base MVA 300 200 100 350 300 ||| Voltage Rating 0 20 KV 13.2 KV 13.2 KV 20/230 KV 220/13.2 KV 80 *all all 57% i × X¹ X² Xº X₁₁ (pu) (pu) (pu) (S2) 0.2 0.05 0.4 0.2 0.05 0.4 ΝΑ 0.2 0.2 0.2 0.1 0.1 0.43 2/km for 60 km, Xline0= 1.5 s/km 0.2 0.05 0.1 0.1 ΝΑ 0.1 0.1 NA T T₂ a) Draw the one line impedance diagram for the network and indicate all per- unit values using a system base of 300 MVA, 20 KV on the generator side. b) Draw the corresponding equivalent circuit network for the positive sequence, for the negative sequence network and for the zero sequence networks. O DOY c) Draw the Thevenin equivalent for each sequence circuit for the case f fault at bus # 3 d) Find all phase fault currents phase fault voltages in case of the i) Three phase balanced fault at bus # 3 ii) Single line to ground fault at bus # 3 iii) Double line to ground fault at bus # 3 (M₁) M₂) r
Transcribed Image Text:12:33 P Given the power system shown below along and its related data: Y Item Generator Motor Mu Motor M₂ Transformer T₁ Transformer T₂ Line: Xline D = Base MVA 300 200 100 350 300 ||| Voltage Rating 0 20 KV 13.2 KV 13.2 KV 20/230 KV 220/13.2 KV 80 *all all 57% i × X¹ X² Xº X₁₁ (pu) (pu) (pu) (S2) 0.2 0.05 0.4 0.2 0.05 0.4 ΝΑ 0.2 0.2 0.2 0.1 0.1 0.43 2/km for 60 km, Xline0= 1.5 s/km 0.2 0.05 0.1 0.1 ΝΑ 0.1 0.1 NA T T₂ a) Draw the one line impedance diagram for the network and indicate all per- unit values using a system base of 300 MVA, 20 KV on the generator side. b) Draw the corresponding equivalent circuit network for the positive sequence, for the negative sequence network and for the zero sequence networks. O DOY c) Draw the Thevenin equivalent for each sequence circuit for the case f fault at bus # 3 d) Find all phase fault currents phase fault voltages in case of the i) Three phase balanced fault at bus # 3 ii) Single line to ground fault at bus # 3 iii) Double line to ground fault at bus # 3 (M₁) M₂) r
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