What is reactance formula?
Reactance formula The total reactance (X) is equal to the difference between the two: Total Reactance, X =XL – Xc. a. Capacitive Reactance Xc. The reactance, which is large at low frequencies and small at high frequencies is known as capacitive reactance (Xc).
How do you calculate XC and XL?
This resultant is called REACTANCE; it is represented by the symbol X; and expressed by the equation X = XL − XC or X = XC − X L. Thus, if a circuit contains 50 ohms of inductive reactance and 25 ohms of capacitive reactance in series, the net reactance, or X, is 50 ohms − 25 ohms, or 25 ohms of inductive reactance.
What is inductive reactance state its formula?
The inductive reactance formula is: Inductive reactance(XL) : 2π f L. where f is the frequency of the alternating current measured in Hertz(hz) and L is the inductance measured in henry(h). It is proportional to the frequency of the current and hence inversely proportional to the Time.
How are henries calculated?
Calculate the inductance using the following formula: Inductance = µ (N squared) A / length, where N is the number of turns in the coil, A is the cross-sectional area of the coil, and length is the length of the coil.
What is resistance and reactance?
Resistance and reactance are the properties of an electrical circuit that opposes the current. The main difference between reactance and resistance is that resistance measures the opposition to a flow of current, whereas reactance measures the opposition to a change in current.
How do you find total reactance in a series?
where f is the frequency in Hertz (or sec−1), L is inductance in Henries, and C is capacitance in farads. Because XL and XC are 180° different in phase, the total reactance X of a series circuit is XL−XC.
What is electronic reactance?
reactance, in electricity, measure of the opposition that a circuit or a part of a circuit presents to electric current insofar as the current is varying or alternating. Reactance is present in addition to resistance when conductors carry alternating current.
What unit is used to measure reactance?
Inductive reactance is expressed in ohms. (The unit of frequency is hertz, and that of inductance is henry.)
How do you calculate inductive and capacitive reactance?
How do you find Millihenry?
One millihenry is equal to 1/1,000 of a henry, which is the inductance of a conductor with one volt of electromotive force when the current is increased by one ampere per second. The millihenry is a multiple of the henry, which is the SI derived unit for electrical inductance.
How to calculate inductive reactance?
To calculate the inductive reactance of an inductor , multiply 2 by the number pi (π), by frequency and inductance Example: An inductor of 55mH, has a frequency of 50 Hz , which is its inductive reactance, to find the answer it must be multiplied: 2xπx50x55x10 ^ -3 = 17,28Ohm Examples of inductive reactance calculations:
How to measure inductance?
One method, measuring inductance on a voltage-current slope, involves connecting the inductor to a pulsed voltage source with a duty cycle less than 50%. Using an oscilloscope’s current probe, read the peak current in amps and the time between pulses in microseconds. Multiply these amounts and divide the product by the peak current.
What is inductor and inductance?
An inductor is characterized by its inductance, which is the ratio of the voltage to the rate of change of current. In the International System of Units (SI), the unit of inductance is the henry (H) named for 19th century American scientist Joseph Henry.
What is the resistance of an inductor?
The DC Resistance (DCR) specification of an inductor is the amount of resistance that an inductor has for signals with frequencies of or near 0Hz. Inductors are devices that allow DC signals to pass through without almost any impediment, but which block the passing of high-frequency signals.