Features of Variable Voltage Inverters

Features of Variable Voltage Inverters: The inverter has an impressed dc voltage. The output voltage of the inverter is decided by the firing and duration of the thyristors. The conduction…

Continue Reading Features of Variable Voltage Inverters

Voltage Variable Capacitors

Voltage Variable Capacitors: VVC Operation - Voltage Variable Capacitors diodes (VVCs) are also known as vari­caps, varactors, and as tuning diodes. Basically, a Voltage Variable Capacitors is a reverse biased…

Continue Reading Voltage Variable Capacitors

Voltage Control Interview Questions and Answers

Voltage Control Interview Questions and Answers: 1. Why is it necessary to keep the receiving-end voltage constant within specified limits ? Ans. For satisfactory operation of equipment/machinery supplied by the…

Continue Reading Voltage Control Interview Questions and Answers

LM340 Series Voltage Regulator

LM340 Series Voltage Regulator: This LM340 Series Voltage Regulator is typical of the three-terminal voltage regulators. The block diagram is shown in Fig. 43.27. The built-in reference voltage Vref drives…

Continue Reading LM340 Series Voltage Regulator

Adjustable Voltage Regulators

Adjustable Voltage Regulators: Sometimes variable voltage is required and under such a situation adjustable voltage regulators is used. A number of IC regulators, like LM317, LM338, and LM350, are adjustable…

Continue Reading Adjustable Voltage Regulators