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Author Archives: nforcier

Simulating Photovoltaic Panels

Friday, April 20, 2012

When designing a device with max power point tracking (MPPT) capability such as a solar inverter or power optimizer you are going to need to simulate the output of a PV panel or panels to test your MPPT design.  This is necessary to verify your design and provide an accurate efficiency spec under different of lighting [...]

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Understanding Ground Loop Error

Sunday, April 8, 2012

A true ground potential is something that only exists on paper or in simulations. In the real world there is no such thing as a true ground which in test and measurement leads to ground loop errors. Ground loops present problems when measuring low level signals such as thermocouple measurements. When measuring voltages in circuits where [...]

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