What do you mean by a stiff voltage source?

A voltage source is called stiff, if the source voltage magnitude does not depend on load connected to it. In such inverter units, battery supply is used as the input dc voltage source and the inverter circuit converts the dc into ac voltage of desired frequency.

What is the condition for stiff current source?

A “stiff” current is a current source with a very high (or infinite) source impedance. In other words, the current decreases very little (or not at all) as the voltage increases. (And the voltage will increase if the load impedance increases.) , Ohm’s law strictly obeyed at all times.

What are the two types of voltage source?

Types of Voltage Source Independent Voltage Source: They are of two types – Direct Voltage Source and Alternating Voltage Source. Dependent Voltage Source: They are of two types – Voltage Controlled Voltage Source and Current Controlled Voltage Source.

What is voltage source in simple words?

A voltage source is a two-terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current.

What is meant by the stiffness of a power system?

As we use the term, stiffness reflects the electrical supply’s source impedance. The stiffer it is, the less impact changing loads will have on the voltage. This is true both at the power frequency (60 hertz) and at the harmonic frequencies.

What is stiff voltage divider bias?

A voltage divider in which the base current is small compared to the current in R2 is said to be a stiff voltage divider because the base voltage is relatively independent of different transistors and temperature effects.

What is the voltage across the current source?

The voltage across an ideal current source is completely determined by the circuit it is connected to. When connected to a short circuit, there is zero voltage and thus zero power delivered.

Is voltage dependent on current?

The amount of current in a circuit depends on the amount of voltage and the amount of resistance in the circuit to oppose current flow. For this reason, the quantities of voltage and resistance are often stated as being “between” or “across” two points in a circuit.

What are some examples of voltage sources?

Nuclear, coal, natural gas, hydroelectric and wind power all use generators to generate voltage.

What are three sources of voltage?

Dependent Voltage source: Independent voltage sources, the source voltage depends on other voltage or current sources in the same circuit or network. The dependent voltage source has four different types. Voltage controlled voltage source. Current controlled Voltage source.

What is an example of voltage source?

A voltage source is a two-terminal device whose voltage at any instant of time is constant and is independent of the current drawn from it. The example of voltage sources is batteries and alternators.

What is difference between current source and voltage source?

voltage source is a source where the voltage “remains” constant.. A current source is an electronic circuit that delivers or absorbs an electric current which is Independent of the voltage across it. A current source is the dual of a voltage source .