1. A three-phase transformer rated for 33 kV/6.6 kV is connected Y- Δ and the protecting current transformer on the low voltage side have a ratio of 400/5. What is the ratio of the current …

A 3 phase transformer rated for 33 kV /6.6 kV is connected star/delta and the protecting current transformers on the low voltage side have a ratio of 400/5. Determine the ratio of the current …

Question: A 3 phase transformer rated for 33kv/6.6kv, is connected in star/delta and the protecting current transformer on the low voltage side have a ratio of 400/5.

Question: Three 25 MVA 132 kV/6.35 kV single-phase transformers are connected to form a three-phase delta-y transformer. Nominal power of the three-phase transformer is MVA. …

Transformer Problem:1: A 3-phase transformer rated for 33 kV/6.6 kV is connected star/delta and the protecting current transformer on the low voltage side have a ratio of 400/5. Determine the …

A 4,000 kVA, 11 kV / 6.6 kV with 7 % impedance distribution transformer is to be installed to serve an industrial motor pump as illustrated in Figure Q1(b). (i) Identify the percentage, % voltage …

Question: A three-phase, three winding A/A/Y (1.1 kV/6.6 kV/400 V) transformer is energized from AC mains at the 1.1 kV side. It supplies 900 kVA load at 0.8 power factor lag from the 6.6 kV …

Question: (20 points) A 3-phase, 9325 KVA, 13.6 kV, 6-pole, Y-connected, 60 Hz, synchronous machine has negligible mechanical and electrical losses. The OC/SC test yields the following …

At a certain location in an electric system, the available fault MVA is 400 MVA. A 15 MVA, 34.5 kV 6.24 kV, 2.5% impedance, wye-wye grounded transformer is installed at that location. …

A 15 MVA, 34.5 kV/6.24 kV transformer is connected at an infinite bus. The percent impedance of the transformer is 2.5%. What is the current at the 34.5 kV side for a three-phase fault at the …