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特高壓輸電系統保護電驛標置與 ... - relay.org.tw

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54. . . a. . . b. . . CT PT (2) . (3) . . 3. . . . . . . . . . 1. . (1) . . . (2) . . (3) . (4) . (5) . (6) . 1. 2. . (1) (1) . . (2) (2) . (3) . 2. . (1) . 24 . 55. 6. . . 1. . 2. . 1. . 3. CT PT . (1) (A) (B). . . 4. . (2) . 5. . (C) (D) . . 2. . CT . . 24 . 56. . . . 1. (3-phase faults). . If N1. a b Vf c Ia Ib I c z1. I1. F1. . Vf I 1 = I 3 f =. Z1. 2. (phase-A-to-ground faults). If N1. a Vf b c z1 I 1. F1. N2. Ia Ib Ic z2 I2. F2. N0. z0 I0. F0. . 3V f I 1 f = I 1 + I 2 + I 0 =. Z1 + Z 2 + Z 0. Z 1 : . Z 2 : . Z 0 : . 24 . 57. . . . . . 69kV . . . 69kV . 2. . . . 1. . . . . 3. . . . 24 . 58. . . . . . 2. . (3- . phase faults) (phase- . A-to-ground faults) . . . 3. . . 1. . 24 . 59. I 3 f = 14105A I 3 f = 11245A I 3 f = 5819A. I1 f = 2936 A I1 f = 2766 A I1 f = 2056A. I 3 f = 3704 A. I 1 f = 968 A. I 3 f = 7968 A I 3 f = 6897 A. I1 f = 1812 A I1 f = 1661 A. I3 f = 24088 A. I1 f = 3492 A. I 3 f = 3726 A I 3 f = 5884 A. I1 f = 1109 A I1 f = 1576 A.

55 電驛協會會刊24 期 特高壓輸電系統保護電驛標置與協調應用 四、保護協調規劃所需之參數資料 1. 電力系統單線圖。

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