VOLTECHNOTES Standby and Low Power Measurements VPN 104 054 1 Low PowER MEASUREMENTS Introduction Voltech power analyzers provide a comprehensive range of accurate measuring instru ments for voltage current and all power parameters Each instrument features fully isolated floating inputs for the easy and safe connection of the ac power to be measured Accuracy of the measurements is guaranteed over the following broad ranges Model Current Range Volta
VOLTECHNOTES IEC60404 Testing with Constant AC Current Voltech VPN 104 151 1 e INCOM NaS ot 4 TESTING TRANSFORMERS AND CORES WITH CONSTANT CURRENT IEC60404 It is a requirement of IEC60404 2 that measurements of core loss are made under constant ac current test conditions Ideally current transformers will also be tested with constant ac current drive Most general purpose transformer test equipment does not have the ability to provide a high