Month: October 2019

Voltage Burden

“The measurement system should not affect the measurement.” This statement is accepted throughout the test and evaluation community as a given whether it is stated in the requirements or not.  We get into the habit of taking the measurement without considering the instrument.  We expect that a voltmeter provides a very high impedance, so it […]

Review of MIL-STD-1399-300-1 Requirements

Introduction The electrical power system of a ship functions like a city’s electrical grid from the power generation to medium voltage distribution to the low voltage networks located in various sections of the ship’s structure. It only makes sense to treat the power system like a city’s power system, after all larger vessels include services […]