(b) A 2.89kV/230V single phase transformer used in a local distribution network has the equivalent circuit parameters shown in Table Q3b. Determine: (i) The transformer turns ratio. (ii) The secondary voltage, current and power (W) given a 10 2 resistive load. (iii) The efficiency and voltage regulation at this load. (iv) The load power when operating the transformer at maximum efficiency. The transformer primary current and power factor when operating under no load (open circuit) conditions. (v) hase e . - atonc 11 L T atina Parameter Value Units Re 46 10 Хм Rieg Xieq 78 200 Ω Table Q3b
(b) A 2.89kV/230V single phase transformer used in a local distribution network has the equivalent circuit parameters shown in Table Q3b. Determine: (i) The transformer turns ratio. (ii) The secondary voltage, current and power (W) given a 10 2 resistive load. (iii) The efficiency and voltage regulation at this load. (iv) The load power when operating the transformer at maximum efficiency. The transformer primary current and power factor when operating under no load (open circuit) conditions. (v) hase e . - atonc 11 L T atina Parameter Value Units Re 46 10 Хм Rieg Xieq 78 200 Ω Table Q3b
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.16MCQ: In developing per-unit circuits of systems such as the one shown in Figure 3.10. when moving across...
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