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110年 - 110 國立臺灣科技大學_碩士班招生試題_電機工程系(甲組)：電力系統#112841
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題組內容
3. (20%) A power system network is shown in Fig. 2.
(a) Determine the bus admittance matrix without mutual coupling between elements. (5%)
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(b) Determine the bus admittance matrix with mutual coupling between elements. (15%)
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(a) Neglecting line losses, determine the optimal economic scheduling of generation. (9%)
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(b) The real power loss with generation expressed in per unit on a 100-MVA base is given by PL(pu)= 0.02P1(pu) +0.05P2(pu)+0.01P3(pu),determinethe power loss in the transmission lines. (6%)
#483166
(a) Determine the bus voltages and line currents during fault. (6%)
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(b) Determine the critical clearing time.(9%) Bus l XI=0.2 Xu=0.6 X2=0.4 Bus 2 V=1.0 Xd=0.36 Fig. 3. The one-line diagram for Problem 5.
#483168
(a) Assume there is no frequency-dependent load. Find the steady-state frequency deviation and the new generation on each unit. (10%)
#483169
(b) The load varies 0. 67 percent for every 1 percent change in frequency. Find the steady-state frequency deviation and the new generation on each unit. (5%)
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(c) Explain the operating principles of Frequency Control and Voltage Control in power system. (5%)
#483171
(1)Determine the mutual inductance between the conducting rectangula and a very long straight wire as shown below (10%)
#483172
(1)Find the electric field at a point located at the center a semicircle n linear charge density p and with a radius R as shown below.(10%)
#483173
相關試卷
110年 - 110 國立臺灣科技大學_碩士班招生試題_電機工程系(甲組)：電力系統#112841
110年 · #112841
110年 - 110台灣聯合大學系統_碩士班招生考試_電機類:電力系統#104948
110年 · #104948
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