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Load Flow Study

The power system network of today is highly complicated consisting of hundreds of buses and transmission links. Thus, the load flow study involves extensive calculations. The main objective of our project is to determine the magnitude of power flows and voltages for a loop or radial network which may consist of bus ways, cables, generators, loads (including capacitors), reactors, transmission lines, transformers. This project helps to determine if system voltages remain within specified limits under various contingency conditions, and whether equipment such as transformers and conductors are overloaded. Load-Flow studies are often used to identify the need for additional generation, capacitive, or inductive VAR support, or the placement of capacitors and/or reactors to maintain system voltages within specified limits. Load studies are essential in planning the future development of the system because satisfactory operation of the system depends on knowing the effects of interconnections with other power systems, of new loads, new transmission lines before they are installed.

Load flow studies determine the main information obtained from the load flow study comprises of magnitudes and phase angles of voltages at load bus; reactive powers and voltage phase angles at generator buses, real and reactive power flow on transmission lines together with power at the reference bus, other variables being specified.


  •     Sushil Subedi
  •     Dibyash Shrestha
 

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