As the input voltage is 12 V, hence the output voltage becomes 9 – 0.7 = 8.3 V as per the above equation.
#Power transistor voltage regulator series
Series Resistance Rs – Series resistance RS is used to limit the current through Zener diode. The voltage across Zener diode Vz always remains constant irrespective of change in input voltage. The Zener diode is used to set the fixed reference voltage to the transistor base. Zener Diode – The Zener diode as shown in the circuit diagram, is connected to the base of the transistor. It takes the unregulated input and provides the regulated output. As shown in the figure, the transistor series voltage regulator acts as the regulating element. What is a Transistor Series Voltage Regulator?Ī transistor series voltage regulator can be defined as a device that keeps the output voltage at a constant level. This article discusses an overview of the transistor series voltage regulator and its working. In advanced regulators other current-controlled components like MOSFET, IGBT can also be used instead of a transistor. They are further classified based on configuration and application.
#Power transistor voltage regulator free
The regulator maintains the load voltage constant and free from harmonics. Power quality is also an issue while handling the sensitive loads, as unwanted harmonics damage the load and cause undesirable losses. If the system consists of sensitive loads such as electronic devices, it becomes very important to maintain load voltage constant. The voltage fluctuations affect the function of the device, and hence the circuit. Due to voltage fluctuations, and load unbalancing, it becomes very important to maintain a constant voltage at the load side. A regulator is a device that maintains constant and regulated power at the output terminals across the load.
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