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Delta

c. b. A. a 2. A 2. B 1. a 2. a 1. c 2. c 1. c 1. a 1. b 1. c 2. b 2. b 1. A 1. B 2. b 2. C. B. C 2. C 1. Dy 1. Delta. Wye. a. A. Step 1. C. B. Step 2. A. A 2. B 1. A 1. B 2. C 2. C 1. Step 3. C. B. Step 4. D / Y. A 2. A 1. a 1. a 2. a. A. b 1. b 2.

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Delta

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  1. c b A a2 A2 B1 a2 a1 c2 c1 c1 a1 b1 c2 b2 b1 A1 B2 b2 C B C2 C1 Dy 1 Delta Wye a A Step 1 C B Step 2

  2. A A2 B1 A1 B2 C2 C1 Step 3 C B Step 4 D / Y A2 A1 a1 a2 a A b1 b2 B2 B1 b B C2 c2 C1 c1 c C

  3. POWER SYSTEM FAULTS SEQUENCE COMPONENT THEORY: Ib2 Ib2 Ib0 Ia1 Ia1 Ib1 Ib1 Ib1 Ic1 Ic1 Ic2 Ic2 Ia2 Ia2 Ib= Ib0 + Ib1 + Ib2 Ib2 +ve Sequence Comps Ia= Ia0 + Ia1 + Ia2 Ic= Ic0 + Ic1 + Ic2 Ia0 -ve Sequence Comps Ic0 Ic2 Ia2 Ic1 Ia1 Ib0 Ib0 Ia0 Ia0 Ia=4.7133 +2.955 +9.258 Ia= 5 Ib=4.7133 +2.955 +9.258 Ib= 10 Ic=4.7133 +2.955 +9.258 Ic= 15 Ic0 Ic0 Zero Sequence Comps

  4. Direct Transfer Trip Scheme - ISSUES Communication Error False Tripping A B

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