Differential Voltmeter: The Differential Voltmeter technique, is one of the most common and accurate methods of measuring unknown voltages. In this technique, the voltmeter is used to indicate the difference…
Various Factors of Frequency Effect on Calibration: The Various Factors of Frequency Effect on Calibration such as: Skin effect Non uniform distribution of current along the heater wires Spurious capacitive…
Thermocouple Principle and Types of Thermocouple: Thermocouple Principle consists of a junction of two dissimilar wires, so chosen that a voltage is generated by heating the junction. The output of…
7 Segment Led Display Working Principle: In 7 Segment Led Display, it is usual to employ a single LED for each segment. For conventional 7 Segment Led Display (including the…
Practical PMMC Movement: The basic Practical PMMC Movement (also called a D'Arsonval movement) offers the largest magnet in a given space, in the form of a horse-shoe, and is used…
Recent Trends in Power System Stability: Recent Trends in Power System Stability in design of large alternators tend towards lower short circuit ratio (SCR = 1/Xd), which is achieved by…
Short Circuit of a Synchronous Machine on No Load: Short Circuit of a Synchronous Machine on No Load - Under steady state short circuit conditions, the armature reaction of a…
Waveform of a Short Circuit Current on Transmission Line: Let us consider the Short Circuit Current on Transmission Line. Certain simplifying assumptions are made at this stage. The line is…