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Ice load causes important faults on electric transmission lines (ETL), and power outages can be seen for days because of ice load. So, ice load effect must be prevented on ETL. One of the effect methods is Joule Effect Method (JEM). In JEM, ETL conductor is heated by current, and ice on conductor is melted. But primarily ice load amount must be determined to determine value of melting current. In...
In this paper we present a solution for simulating the cranking torque and speed of an internal combustion engine for electric starter testing. The starting point is represented by the acquisition of the values involved in the cranking process: torque developed by the internal combustion engine, speed, voltage across the starter, the current drawn from the battery and the voltage at the battery terminals...
This paper presents a mathematical model of an electric starter system for an internal combustion engine. For achieving this we started from the main elements that characterize the cranking process: torque, speed, starter motor terminal voltage and the battery terminals voltage depending on the current drawn from it. Based on these values we developed a general model that reproduces the starter motor...
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