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An automatic voltage regulator reduces overvoltage which is caused by a change in load. It increases the excitation of system while it is faulty and prevents problems in synchronization. If the system load is changed, then there maybe problem in generator’s excitation.
25 Σεπ 2022 · Automatic Voltage Regulation (AVR) is a term commonly associated with electrical devices like UPSes, stabilizers, and generators that make use of voltage regulators. But what does it mean, and how important is it?
What Are the Functions of an Automated Voltage Regulator? The most important function of AVRs is to automatically control generator voltage and keep the output constant at the appropriate voltage level range for your generator regardless of the current being drawn by the load.
The main functions of an AVR are as follows. It controls the voltage of the system and has the operation of the machine nearer to the steady state stability. It divides the reactive load between the alternators operating in parallel.
5 Οκτ 2019 · There are several types of automatic voltage regulators in use, but all of them are based on the principle of short-circuiting of a part of the generator or exciter field resistance, thereby raising the excitation of the generator, to compensate for the drop in voltage due to increase load.
The automatic voltage regulator regulates the voltage of generators, transformers, or feeders. When the electrical load draws current from the generator or a transformer, the voltage drop occurs in the transmission line or cable.
15 Νοε 2018 · What is AVR? Automatic Voltage Regulator (AVR) is an automatic control device that is used to keep the terminal generator voltage constant. The Generator terminal voltage is fed to the AVR which compares it with a reference value and an error signal is generated.
