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IEEE 14-Bus System

Sunday, 18 Apr 2021

• Title

Power system analysis on IEEE 14-Bus System

• Application

The IEEE 14 Bus Test Case represents a portion of the American Electric Power System (in the Midwestern US) as of February, 1962. IEEE 14 bus system is widely used as a case for conducting various studies like short circuit analysis, load flow studies, and interconnected grid problems.

Figure 1: IEEE 14-Bus System

○ System specifications

• 14 bus system

• 5 machines

• 11 loads

• 5 transformers

• 1 shunt compensator

For more information, please check the DigSilent model (available in iLearn).

• Project aim

The aim of this project is to perform analysis on IEEE 14-Bus System given in Fig. 1.

• Project objectives

○   Identify the specification of the given IEEE 14-Bus System (e.g. total generation, total load, total loss, bus types, line types, load models, voltage profile, stability region, etc)

○  Among the available cable options in the library of the project for the line 1-2 (2 options), and line 6- 13 (4 options), select the two options (1 for each line), so that the network faces the least violence    during future outages

○   Identify the most reliable bus at which a 50-MW EV charging station can be connected. Provide a report and include your recommendations to make the system more reliable

○   Perform fault analysis (i.e., three phase) on at least one line on your choice and design a protection relay system to successfully isolate the fault. Recommend and implement solution(s) if the designed relay is faulty and cannot operate. Discuss if any other protection equipment can be offered?

• Design specifications

The result of the analysis should meet the following requirements:

○ Voltages of the buses to be within ±5% of the reference voltage (the slack bus voltage)

○ All the equipment do not overload (or minimum violence) at any time including n-1 outages

○   Power factors at the buses to be higher than 0.85

○  At any time, the total generation is equivalent to the load demand plus losses

• Assessment

This team project contributes 50% to your final mark. The assessment for this project consists of:

○ Individual and team assessment

▪  Oral presentation and demonstration of the project 20% (Week 14 - Wed)

▪  Individual project logbook 10% (end of Week 13)

▪  Peer assessment regarding the actual contribution of each team member (Week 13)

▪  Project report to be submitted in iLearn by each team member 20% (end of Week 13)

• Learning outcomes

This project will contribute to the following learning outcomes:

○   Power system modelling, load flow studies, fault studies, power system stability, and power system planning

○   Simulation of power networks using DigSilent Power Factory

○   Collaborative work in teams and pear learning

○   Communication of technical concepts and results in written reports