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PowerEsim
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<p>PowerEsim is an <a href="/facts/Electronic_circuit_simulation/HH9KUc0K">electronic circuit simulation</a> <a href="/facts/Software/RP79lVSW">software</a> for online <a href="/facts/Switched-mode_power_supply/YKcyRBtP">switched-mode power supply</a> (SMPS) and transformer design. It can carry out <a href="/facts/Losses_in_electrical_systems/hL4kzH6F">loss</a> analysis at component and circuit level, simulation of board temperature, design verification, failure rate analysis and generate relevant reports. </p><p>One of the common circuit design simulation tool used is a <a href="/facts/SPICE/mIMfxvm7">SPICE</a> simulator. This knowledge-oriented design approach tool requires a user to possess knowledge about it and about the module being simulated. Within a different kind of simulation, <a href="/facts/Transformer/EYYfXWrF">transformer</a> design and simulation requires considerable knowledge of the physical concepts, although a transformer is just wires around a magnetic core. </p><p>To evaluate the feasibility of a user simulating a circuit without domain knowledge, PowerEsim was developed as a result-oriented approach simulation tool only requiring the BOM (Bill of Materials) and the topology used to perform the simulation. </p><p>PowerEsim also handles differential equations by using closed-form equations instead of <a href="/facts/Numerical_methods/QT9cYa9z">numerical methods</a>. Some approximations have been made to speed up calculation, leading to a steady-state simulation in PowerEsim claimed to take less than 0.1 second, 1,000 times faster than SPICE simulation. PowerEsim model components are available in the market. </p> Notes <ul><li>杨文广, 杨玉岗, 李洪珠, 高奇 (2009). "基于PowerEsim的开关电源的高频变压器设计 Design of high-frequency transformer for switching power supply based on PowerEsim". <i>仪器仪表用户</i> 16(2), 70–71.</li> <li>Poon, N. K. & Liu, C. P. <i>Investigation on Designing Procedure of Power Supply,</i> IEEE Power Electronics and Motion Control Conference, 2009. IPEMC '09.</li> <li>Yick Po Chan Man Hay Pong <i>Leakage Inductance Calculation of Complex Transformer Constructions based on a Simple Two-Coil Inductor Model</i> Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE</li></ul>