Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 4 of 4 for “"wattmeter"”.
-
Modeling and Test of the Efficiency of Electronic Speed Controllers for Brushless DC Motors
… power in and out of the ESC using the two wattmeter method and current sense resistors; data was collected with a differential simultaneous data acquisition system. Performance of the ESC was measured under different load, commanded throttle, bus voltage, and switching frequency, and it was …
-
An air-to-air heat pump
… were installed in the pining circuits. A two-wattmeter method of power measurement was installed on the unit. This method enables the operators to determine the power supplied to each motor and instantaneous power when the load on the unit is changing. Each of the motors is protected by …
-
Automatizace kalibračního procesu
Práce se zabývá automatizací kalibračního procesu na pracovišti pro kalibraci elektronických měřičů výkonu a popisem způsobu vyhodnocování výsledků kalibrace. V práci je zanalyzováno kalibrační pracoviště a manuální způsob kalibrace prováděný pracovníky kalibrační laboratoře. Dále jsou uvedeny …