Surround_the_Inverter”_test_system2010年电源技术研讨会讲义汇.ppt

* * * * Programmable Fill Factor * Single String Scenario * The TerraSAS also allows the user to select the desired IV curve and fill factor Cells, Strings, and Panels can be selected at any time to contribute to the test scenarios Multiple String, Series and Parallel * The TerraSAS also allows the user to program parameters to create multiple power points by combining several different solar panels with different output characteristics. This is used to test the inverter’s MPPT algorithm reaction to change Unique Dynamic Simulation * The TerraSAS simulates irradiance level, temperature level, and simulation time to ramp the voltage, temperature or irradiance level over time Uses any IV curve previously defined This ability allows the unitto simulate dynamicirradiance and temperaturegoing from night to day orfrom a clear day to cloudcover Morning * Afternoon * Graphic Display of MPPT * * Real Life Solar Panel Database The software includes a database of more than 1000 solar panels to choose from or a custom panel can be imported via Excel Measurement Data Logging * Optional: High-Current Relay Chassis for Polarity Reversal Test of PV-inverter DC input TerraSAS In the News! TerraSAS Press Release Story ran by 216 newspapers, business journals and news reporting organizations nationwide! Picked up by16 online trade journals Electronic Design Magazine offered a feature article spot for its July 2010 print edition First of several magazines to publish an article about AMETEK’s TerraSAS and PV inverter test solutions! * Problem Solved! High voltage output floating capability: the output DC terminals of the unit can float up to 1000Vrms. This is necessary for testing non-isolated inverters. The unit has a common mode voltage protection circuit. Ultra-low common-mode output capacitors: the output DC terminals have very little capacitance to earth ground. This is necessary to prevent the inverter GFI from tripping because of common mode current. Maximum common mode cu