Voltage Surge or Transient Voltage

Voltage Surge or Transient Voltage: A sudden rise in voltage for a very short duration on the power system is known as a Voltage Surge or Transient Voltage. Transients or…

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Restriking Voltage Transient

Restriking Voltage Transient: Electrically a power system is an oscillatory network so that it is logical to expect that the interruption of fault current will give rise to a transient,…

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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…

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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…

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Fixed Positive Voltage Regulators

Fixed Positive Voltage Regulators: The series 7800 regulators provide eight voltage options, rang­ing from 5 to 24 V, as indicated in Table 43.2. These ICs are designed as fixed voltage…

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Varistors or Voltage Dependent Resistors (VDRS)

Varistors or Voltage Dependent Resistors (VDRS): Varistors, also called the voltage dependent resistors (VDRs), show a high degree of nonlinearity between their resistance value and the applied voltage. They are…

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Transient Response of RLC Circuit

Transient Response of RLC Circuit: Consider a Transient Response of RLC Circuit consisting of resistance, inductance and capacitance as shown in Fig. 12.11. The capacitor and inductor are initially uncharged,…

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