Abstract
In remote site power systems with small diesel generators, weak distribution feeders with diesel generators may suffer from voltage and power fluctuations due to misfiring of the engine cylinder. A...
Highlights
An electromagnetic transient (EMT) analysis program for power systems named XTAP has been developed by Central Research Institute of Electric Power Industry (CRIEPI) and is widely used in Japan
In remote site power systems with small diesel generators, weak distribution feeders with diesel generators may suffer from voltage and power fluctuations due to misfiring of the engine cylinder
A large number of diesel engine generators are used in the world, especially in remote site power systems as distributed generators
Summary
Convergence performance was improved [2] and initializations of whole simulated system are available [3], XTAP can improve numerical stability, convergence performance, and expandability of new models for transient analyses of power systems. A large number of diesel engine generators are used in the world, especially in remote site power systems as distributed generators. Weak distribution feeders with small diesel generators may suffer from fluctuations in voltages and active powers due to misfiring of engine cylinder especially when low-cost diesel fuels with relatively low qualities. XTAP is thought to be useful to simulate those small power systems with existing problems. A new diesel generator model with fluctuating engine torque was developed using XTAP.
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