Waveform Phase Shift Time delay to Phase Angle Calculator To calculate phase difference between two waves or time delay to phase shift conversion. Power is expressed in Reactive Volt Amps (VAR). Then click the 'Calculate' button. | Privacy Policy. Note that this applies to LTI circuits, where we have the phase being a constant value (i.e., not a function of voltage or current). Compare the pros and cons of the Ka-band vs. the Ku-band in this brief article. WebThe Phase angle is the angle between the active component of the current, `vecI_R`, (which is parallel to the Voltage, V), and the current, `vecI`. We can therefore calculate the active power using the two phases as: Or, in terms of line voltage and line current: Active power is measured in watts (W) as it indicates useful work done in the circuit. For optimal efficiency, make this orbit at a 90 heading. is the phase difference between the total voltage V T and the total current I T in degrees () and radians, and Enter expression with complex numbers like 5* (1+i) (-2-5i)^2 In this part of the TranslatorsCafe.com Unit Converter, we present a group of calculators related to various aspects of electrical engineering, electronics, and RF engineering. For more information please see our Privacy Notice and Cookie Notice. Circuit analysis methods include and lean on fundamental concepts of electromagnetism to evaluate circuits and reduce complexity. The formula to calculate the phase angle is: Or Where = Phase angle in degrees The square of the hypotenuse (V S in this example) of a right angle triangle is equal to the sum of the squares of the two adjacent sides (V L ' and V R).. In any AC circuit, reactive power causes a phase shift between voltage and current curves and reduces the overlap between the two curves. To conduct the correct three-phase power calculation to the problem given above: Done! Phase Angle is denoted by symbol. R is the resistance in ohms (),. WebPhase Angle Phase Shift Calculator Determining phase angle in degrees (deg), the time delay t and the frequency f is: Phase angle (deg) (Time shift) Time difference Frequency = c / f and c = 343 m/s at 20C. iy and uses the atan2 function to compute the angle between The formula: 1. Enter expression with complex numbers like 5* (1+i) (-2-5i)^2 And of course Kerbal Space Program for motivating me to finally learn orbital mechanics. The current is the same at every measuring point. WebThe following formulas are used for the calculation: where . Includes times for quarter and half-boiled eggs. WebThe phase shift calculator uses a wide frequency range and time difference delay to calculate the phase shift or angle. Find the period of . For time-based stereophony t = a sin / c
What is the impedance in magnitude and phase (deg)? Planetary Phase Calculator Let Us Crunch the Numbers for You Thephase angle represents the amount by which the voltage is either leading or lagging the current. Try to enter zero or infinitely large values to see how this circuit behaves. The calculator also converts a complex number into angle notation (phasor notation), exponential, or polar coordinates (magnitude and angle). Small Signal Transistor(BJT) and Diode Quick Datasheet. configuration line and phase voltage are equal and line current 3 times the phase current. Calculate the power factor and enter the value in the table. Step 9. WebNOTE: When entering complex numbers in polar form on the TI-84 Plus, you must enter the angle in radians. When all of these numbers are multiplied together, you will find the phase angle of the wave in degrees. Relationship between phase angle in radians (rad), the time shift or time delay t, and the frequency f is: Phase angle (rad) Allegro PCB Editorincludes the features you need to layout boards for any application, including AC power conversion systems. Data Types: double | single Plot the magnitude of the transform as a function of frequency. $$ Here \( \vartheta_0 \) is the angle of incidence. The total voltage vector VT is obtained using Pythagoras theorem. You can spot when this will occur by looking at graphs for your circuit. 3 Phase Power Calculator | DigiKey Electronics Login orREGISTERHello, {0}Account & Lists Orders & Carts Lists Quotes LoginRegisterWhy Register? Ive prototyped a simple Series RC circuit and Im feeding a 1Khz sine wave onto it. Try the plant spacing calculator. Obviously it can be found that reversed polarity cannot be exactly like out of phase. WebBecause, in this example, the area within V S, V L and V R is a right angle triangle, the length of the Hypotenuse (V S) can be found using Pythagoras' Theorem, which states:. angle takes a complex number z = x + Delete Entries. 3 Answers. Show Hide 3 older comments. In Delta What is the impedance in magnitude and phase (deg)? (Go back to top) 5. From Schoeps - Joerg Wuttke: "Mikrofonbuch" - Chapter 7, Courtesy of David Moulton Laboratories
WebDiffraction angles Grating calculator; DISPERSION. WebAs an imaginary unit, use i or j (in electrical engineering), which satisfies the basic equation i2 = 1 or j2 = 1. The circuit forms an Oscillator circuit which is very commonly used in Let's equate equations (1) and (2). the phase angle in the interval [-,] for each WebThe phase angle can be measured using the following steps: Phase angle can be measured by measuring the number of units of angular measure between the reference point and the point on the wave. In other words phase shift is the lateral difference between two or more waveforms along a common axis and sinusoidal waveforms of the Phase angles are calculated to determine the value (in degrees) of particular sound waves that travel throughout the air. WebOlex's beautiful Interactive illustrated interplanetary guide and calculator which inspired me to create this tool as a web page. The three-phase calculator shows you the values of other parameters: Phase current =5 A; Line voltage = 400 V; Phase angle = 33 deg; Power factor = 0.84; Apparent power = 5.96 kVA; and Reactive power = 3.24 kvar. Phase differences in various RLC circuits are shown graphically in the image below, where we can see that the voltage and current are displaced from each other in the time domain. To determine the initial phase we use the following formula: 0 = sin 1 ( x 0 A), where A is the amplitude in meters ( m) and x 0 is the initial position of the object at t = 0 in meters ( m). Power delivery in an AC system depends on the phase angle between voltage and current. WebTo calculate, enter the resistance, the inductance, the capacitance, and the frequency, select the units of measurements and the result for the RLC impedance will be shown in ohms and for the phase difference in degrees. In the first example, it is clear that the reference for the phase calculation is the blue trace so that t is measured from the blue trace zero crossing to the black trace zero crossing which is positive. OUTPUTS: Phase shift (Degrees)=90, Phase angle or shift (Radian)= 1.57 Phase shift formula for phase angle calculatorollowing Phase shift formula is used by this phase angle calculator.ollowing is the list of useful converters and calculators. The phase shift for just about any frequency having a delay of 1 millisecond. Cadence Design Systems, Inc. All Rights Reserved. For optimal efficiency, make this orbit at a 90 heading. It supports complex numbers very well. WebThe three phase power calculator will estimate the real, apparent, and reactive power of either a delta or wye (also known as star) 3 phase AC system. The voltage between two To enter the Infinity value, just type inf in the input box. WebAngle represents the phase angle between the current and the voltage. WebAs an imaginary unit, use i or j (in electrical engineering), which satisfies the basic equation i2 = 1 or j2 = 1. negatives and the other way round in the audio-signal data flow. If the voltage and current to the motor are 400 V and 8.6 A, respectively, determine the power factor of the delta system. Therefore, R sin ( x + ) = R sin ( x) cos ( ) + R sin ( ) cos ( x). Material dispersion; Grating pair compressor; Two prism compressor; Pulse elongation with known GDD \cos\vartheta_0. The period of the function can be calculated using . z = 2*exp (i*0.5) z = 1.7552 + 0.9589i r = abs (z) r = 2 This function fully supports distributed arrays. Calculate the power factor and enter the value in the table. Delta configuration features a high starting torque and a inherent fault tolerance as an open element will not You can learn more about this particular example from the 3-phase motor amperage calculator. Calculate the circuit phase angle C is the capacitance in farads (F),. WebThe Phase Angle Calculator will calculate the phase angle of a coil using the inductive reactance and/or the capacitive reactance, and the resistance of the wire. A = tan^-1 (XL-XC/R) Inductive Reactance (Ohms) Capacitive Reactance (Ohms) Resistance (Ohms) How do you find phase angle in physics? The Phase Angle of a point on the wave is determined by the value of the point on the abscissa corresponding to that point. Reference: ARRL The Radio Amateurs Handbook, Tesla Scientific Unit 40676 PO Box 92 Cardiff CF11 1NB UK, Enter the Inductive Reactance and/or Capacitive Reactance, and the Resistance, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Skype (Opens in new window), Advanced Crystal Radio Initiative Calculator, The Extraluminal Transmission Systems Of Tesla & Alexanderson, Colorado Springs Magnifying Transmitter Scale Model Design Sheet, Sign up to the Tesla Scientific newsletter, https://en.wikipedia.org/wiki/Electrical_impedance. WebDiffraction angles Grating calculator; DISPERSION. The calculator also converts a complex number into angle notation (phasor notation), exponential, or polar coordinates (magnitude and angle). In the series circuit, the same current flows through the resistor, the inductor, and the capacitor, but the individual voltages across the components are different. Cadence PCB solutions is a complete front to back design tool to enable fast and efficient product creation. Complex number. The 3 rd, 9 th, 15 th, 21st etc. Radio-frequency engineering (RF engineering) is a field of engineering that deals with devices that transmit or receive radio waves in the radio frequency spectrum (3 kHz to 300 GHz). Find the amplitude . However, some parts of the website will not work in this case. Enter a complex number to perform the angle calculation. To use this online calculator for Phase Angle, enter Voltage 2 (V2) & Voltage 1 (V1) and hit the calculate button. information, see Run MATLAB Functions with Distributed Arrays (Parallel Computing Toolbox). V S 2 = V L 2 + V R 2 Calculate the apparent power and enter the value in the table. The "phase reverse button" does not change the phase. The reference point can be on the same wave or another wave. Three phase wye connected systems: Fundamental, 5 th, 7 th, 11 th, 13 th, 17 th, 19 th, 23 rd etc. A three-phase, wye connected generator rated for 55 MVA and 13.8 kV is operating at full load with a 0.82 lagging power factor. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Voltage availability is regional and is 50 or 60Hz. Example: The real power to a three-phase AC motor is 5 kW. WebThe three phase power calculator will estimate the real, apparent, and reactive power of either a delta or wye (also known as star) 3 phase AC system. The phase angle for a circuit depends on the phase difference between the voltage and current in the circuit. The apparent power represents the power delivered. The formula to calculate the phase angle is: Where = Phase angle in degreesXL = Inductive reactance in ohmsXC = Capacitive reactance in ohmsR = Resistance in ohms. We calculate active power as the apparent power and power factor product. is the phase difference between the total voltage V T and the total current I T in degrees () and radians, and The formulas to find three phase current from the power. Following Phase shift formula is used by this phase angle calculator. Impedance vs. resistanceis one more important for laying out your board? the Star (or Wye) configuration, and the line voltage is equal to 3 times the phase voltage. Finally, calculate the phase angle using the formula above: A = tan^-1(XL-XC/R) A = tan^-1(50-25/10) A = 88.79 degrees. Calculate the phase angle of a coil with the Phase Angle Calculator, and learn how with the integrated live example. Web3- symmetrical components calculator ( 1-2-3 / a-b-c phase sequence ) calculator tips & notes: maximum magnitude is 10,000,000; hover on data points for complex values; all axes have identical scale (dynamically adjusted to contain maximum phase value) symmetrical components ( phase A ) magnitude angle ( degrees ) positive sequence: Keep the power factor high when working with 3-phase power in your AC systems. WebComplex number angle calculator. shatha hanya on 9 Jan 2019. harmonics can flow only Enter a complex number to perform the angle calculation. The current flowing through the inductor and capacitor is the same and the voltages across them are equal and opposing. WebPhase angle (deg) = time delay t frequency f 360 If you take the time difference t = path length a / speed of sound c, then we get Phase difference = path length a frequency f 360 / speed of sound c Please enter two values, the third value will be calculated Phase angle (deg) (Time shift) time delay t ms Frequency f Hz Planning out your garden? You can learn more about this particular example from the 3-phase motor amperage calculator. Step 11. In another case, you may already know the real power Re[S] and apparent power |S|, and you need to find the phase angle. Please enter two values, the third value will be calculated, Some more help: Time, Frequency, Phase and Delay, Phase shifter circuit for phase angles from = 0 to 180
How to use three phase calculator for AC power calculation. WebPhase Angle Phase Shift Calculator Determining phase angle in degrees (deg), the time delay t and the frequency f is: Phase angle (deg) (Time shift) Time difference Frequency = c / f and c = 343 m/s at 20C. Furthermore, in the Cartesian plot, one complete wave cycle has a 360o Phase Angle. Phase shift formula for phase angle calculator. Anshika Arya has verified this Calculator and 2700+ more calculators! We use cookies to deliver our users content and ads they want and to analyze our traffic. WebComplex number angle calculator. A RLC circuit as the name implies consist of a Resistor, Capacitor and Inductor connected in series or parallel. *exp (i*theta). 4 Comments. For more information, see Run MATLAB Functions on a GPU (Parallel Computing Toolbox). FAQ What is a phase angle? Phase shift formula for phase angle calculator. Relationship between phase angle in radians (rad), the time shift or time delay t, and the frequency f is: Phase angle (rad) To measure the phase shift, calculate the time difference (in milli seconds) as shown in the picture and then use the calculator below to calculate the phase shift. While calculating these angles may sound difficult, it is actually quite simple with the proper instructions. If f = 0, we assume that the circuit is connected to an ideal DC voltage source. If you continue without changing your settings, we will assume that you are happy to receive all cookies from our website. The square of the hypotenuse (V S in this example) of a right angle triangle is equal to the sum of the squares of the two adjacent sides (V L ' and V R).. The square of the hypotenuse (V S in this example) of a right angle triangle is equal to the sum of the squares of the two adjacent sides (V L ' and V R).. Assuming we have a simple LTI system with only resistors, capacitors, and inductors, you can determine a simple phase angle relationship between the voltage and current in each circuit element. The three-phase calculator shows you the values of other parameters: Phase current =5 A; Line voltage = 400 V; Phase angle = 33 deg; Power factor = 0.84; Apparent power = 5.96 kVA; and Reactive power = 3.24 kvar. Web3- symmetrical components calculator ( 1-2-3 / a-b-c phase sequence ) calculator tips & notes: maximum magnitude is 10,000,000; hover on data points for complex values; all axes have identical scale (dynamically adjusted to contain maximum phase value) symmetrical components ( phase A ) magnitude angle ( degrees ) positive sequence: WebEXAMPLE#1 Phase Shift Calculator: INPUTS: Frequency = 500Hz, Time Delay = 0.5ms OUTPUTS: Phase shift (Degrees)=90, Phase angle or shift (Radian)= 1.57 . element of a complex array z. = t + 0, x = A sin ( ). Learn about the functionalities of the Ka-band spectrum analyzer as well as some applications in this article. Following Phase shift formula is used by this phase angle calculator. Alternatively, if you know the impedance in your AC circuit, you can calculate the phase difference youll see between voltage and current: Phase angle formula in terms of impedance. Electronics is a branch of physics, electrical engineering, and technology concerned with the design and use of electrical circuits containing active electrical components (diodes, transistors, and integrated circuits) and passive electrical components (resistors, inductors, and capacitors) and connections between them. WebWith the RLC circuit calculator, you can calculate the resonant frequency and the Q-factor of any RLC circuit by providing capacitance, inductance and resistance values.. RLC circuit. (x,y) in the xy-plane. The graphing of the wave can be done on any standard coordinate system in general. In the second example, t is not shown so the reference trace is not clear. Three phase power means that each phase is 120 degrees out of phase with each other. In the digital sphere, it really is carried out simply by altering almost all pluses to. 0 is the resonant angular frequency in radian per second (rad/s). Robert Braeunig's excellent Rocket and Space Technology which provided most of the math powering these calculations. Terms and Conditions. Examples collapse all Magnitude and Phase of Complex Number Create a complex number, and compute its magnitude and phase. Nikita Suryawanshi has created this Calculator and 100+ more calculators! Ensuring real power delivery to a resistive load depends on keeping the power factor in your circuits high, which then requires keeping the phase angle in your system near zero. Then click the 'Calculate' button. It supports complex numbers very well. So A = R cos ( ) and B = R sin ( ). The calculator can also define the Q factor of the series RLC circuit a parameter, which is used to characterize resonance circuits and not only electrical but mechanical resonators as well. So A = R cos ( ) and B = R sin ( ). You can shift single pure frequencies (sine waves),
Line voltage and phase voltage are the same in a delta connection, and the line current is equal to 3 times the phase current. 0.286051441717318 --> No Conversion Required, `"V" = sqrt(("V"_{"1"}^2)+("V"_{"2"}^2))`, The Phase Angle formula is used to calculate the angle (phase difference) between the reference and unknown EMF and is represented as, The Phase Angle formula is used to calculate the angle (phase difference) between the reference and unknown EMF is calculated using. Every so often, youll need to check the phase angle between voltage and current in a reactive circuit to ensure sufficient power delivery to your load element. The angular component periodic wave is known as the phase angle. WebPhase angle (deg) = time delay t frequency f 360 If you take the time difference t = path length a / speed of sound c, then we get Phase difference = path length a frequency f 360 / speed of sound c Please enter two values, the third value will be calculated Phase angle (deg) (Time shift) time delay t ms Frequency f Hz Step 3.1. Visit the Registration Page and enter the required information. The Wye configuration uses less starting current more information, see Tall Arrays. Once youve used the phase angle formula and determined what level of power factor correction you need, you can create your board layout with the best PCB layout and design software with a full suite of design tools. In the presence of ohmic-inductive loads, the total current, I, lags the active component `I_R`. This equation computes the Phase Angle, `phi`. The inputs to this equation are: `I_R` WebUsing these values for interplanetary flight is no more complicated than obtaining them: Place your ship in a circular, 0 inclination parking orbit around your planet/moon of origin. WebTo calculate, enter the resistance, the inductance, the capacitance, and the frequency, select the units of measurements and the result for the RLC impedance will be shown in ohms and for the phase difference in degrees. calculations for real/active, apparent, and reactive power are the same. Phase Angle Calculator Formula. WebHow do you calculate phase angle on a calculator? Z RC is the RC circuit impedance in ohms (),. such that z = abs(z).*exp(i*theta). how to calculate the phase angle. A RLC circuit as the name implies consist of a Resistor, Capacitor and Inductor connected in series or parallel. The electric power that flows to and from in the circuit due to capacitors and inductors is the reactive power or wattless power (Q). the reactive component IQ, which in quadrature to the voltage (separated by 90 degrees in phase), produces the flow of current. Therefore, R sin ( x + ) = R sin ( x) cos ( ) + R sin ( ) cos ( x). Now that we have a clear definition of phase difference in an AC circuit, we can determine the real power delivered to a load component in an AC circuit. Calculate the apparent power and enter the value in the table. In the second example, t is not shown so the reference trace is not clear. The reference point can be on the same wave or another wave. The phrase phase shift is apparently described only for, mono frequency sine signals and the phase shift angle is clearly identified just for. This phase difference will become important later when you want to calculate real power delivered to a load component. Determine the frequency of the sound wave in question. Reactive power / (V sin(acos(PF)) 1.73). *exp (i*theta). Material dispersion; Grating pair compressor; Two prism compressor; Pulse elongation with known GDD \cos\vartheta_0. Voltage vectors of the phase shifter. Amplitude: Step 3. Current and voltage are in phase at the ohmic resistance. Let's equate equations (1) and (2). Effect of temperature on the time difference t
The phase angle represents the amount by which the voltage is either leading or lagging the current. how to calculate the phase angle. WebPhase Angle calculator uses Phase Angle = atan(Voltage 2/Voltage 1) to calculate the Phase Angle, The Phase Angle formula is used to calculate the angle (phase difference) between the reference and unknown EMF. The 3 rd, 9 th, 15 th, 21st etc. Web browsers do not support MATLAB commands. While calculating these angles may sound difficult, it is actually quite simple with the proper instructions. The period of the function can be calculated using . WebWe can restate the above equation in terms of the symbol for the phase angle. You can determine the phase angle simply by looking at the time difference between the voltage and current waveforms. Impedance vs. Resistance: Which Is Most Important for PCB Layout? The circuit forms an Oscillator circuit which is very commonly used in By multiplying the phase angle in degrees by (as in the example above), the angle is converted from degrees to radians. What if something goes wrong in this circuit? Two simple communications protocols that are often implemented in simple embedded systems are UART and USART. Input. Resistors absorb electrical power and dissipate it as heat or light, while capacitors and inductors return the power received in one half of the cycle to the power supply in the next half. Hence, for both delta and star connections, the apparent power is: Thus, the active power formula in both star and delta connections is: and the reactive power formula in both connections is: Though we can use the same power equations for both three-phase systems, the line quantities are not the same. WebStep 8. f is the frequency in hertz (Hz),. myDIGIKEY Orders & Carts Lists Quotes Logout The typical (phi)-button is only a polarity changer
If the inductor has a finite inductance, its reactance at zero frequency is zero and for a DC voltage source, it represents a short circuit. The ending mixed signal has to be signal without any. Here's a tool that will calculate the phase relationships between all planets and angles in your horoscope chart. The resonance occurs at the frequency at which the impedance of the circuit is at its minimum, that is if there is no reactance in the circuit. In this image, the current and inductor have voltages that are out of phase with each other, so the total reactive power in the LC leg of the circuit is zero. For What is the difference between these two protocols? The inputs to this equation are: `I_R` Learn how 5G eMBB, URLLC, and mMTC service categories support advancements in a variety of industries. Other MathWorks country sites are not optimized for visits from your location. Examples collapse all Magnitude and Phase of Complex Number Create a complex number, and compute its magnitude and phase. Like a pure series LC circuit, the RLC circuit can resonate at a resonant frequency and the resistor increases the decay of the oscillations at this frequency. Three phase wye connected systems: Fundamental, 5 th, 7 th, 11 th, 13 th, 17 th, 19 th, 23 rd etc. What has time delay to do with phase angle? A = tan^-1 (XL-XC/R) Inductive Reactance (Ohms) Capacitive Reactance (Ohms) Resistance (Ohms) How do you find phase angle in physics? The inductance voltage vector VL lags the current in the inductance vector by 90, therefore it is drawn at +90. Phase angles up to 360 degrees can be calculated and read. Examples collapse all Magnitude and Phase of Complex Number Create a complex number, and compute its magnitude and phase. Sample the signal at 100 Hz for one second. WebHow do you calculate phase angle on a calculator? Then A 2 + B 2 = R 2 ( cos 2 ( ) + sin 2 ( )) = R 2; that is, R = A 2 + B 2. It also uses a fourth wire. WebDiffraction angles Grating calculator; DISPERSION. WebEXAMPLE#1 Phase Shift Calculator: INPUTS: Frequency = 500Hz, Time Delay = 0.5ms OUTPUTS: Phase shift (Degrees)=90, Phase angle or shift (Radian)= 1.57 . The Phase angle is the angle between the active component of the current, `vecI_R`, (which is parallel to the Voltage, V), and the current, `vecI`. = 2f is the angular frequency in rad/s,. their names from the physical characteristics of the configuration and the Greek letters that they resemble. When The sequence of letters in the circuit name can be different: RLC, RCL, LCR, etc. Calculating the phase angle tells you how you will need to compensate for a low power factor when designing your circuits. OUTPUTS: Phase shift (Degrees)=90, Phase angle or shift (Radian)= 1.57 Phase shift formula for phase angle calculatorollowing Phase shift formula is used by this phase angle calculator.ollowing is the list of useful converters and calculators. Then click the 'Calculate' button. To calculate, enter the resistance, the inductance, the capacitance, and the frequency, select the units of measurements and the result for the RLC impedance will be shown in ohms and for the phase difference in degrees. You can set your browser to block these cookies. Polarity change happens if we, "change the sign" of the amplitude values of a signal. The phase angle also depends on the impedance of the circuit, which induces a phase change. A three-phase, wye connected generator rated for 55 MVA and 13.8 kV is operating at full load with a 0.82 lagging power factor. Learn more about IoT sensors and devices, their types, and requirements in this article. WebAs an imaginary unit, use i or j (in electrical engineering), which satisfies the basic equation i2 = 1 or j2 = 1. myDIGIKEY Orders & Carts Lists Quotes Logout Generate CUDA code for NVIDIA GPUs using GPU Coder. WebThe three phase power calculator will estimate the real, apparent, and reactive power of either a delta or wye (also known as star) 3 phase AC system. Within the analog sphere this, can be carried out having an inverting amplifier, a transformer, or in a balanced line by, merely changing contacts among pins 2 and 3 (XLR plug) on a single end of, the cable. The angles in theta are such that z = abs (z). Find the amplitude . Complex power in terms of complex impedance. WebThe difference or phase shift as it is also called of a Sinusoidal Waveform is the angle (Greek letter Phi), in degrees or radians that the waveform has shifted from a certain reference point along the horizontal zero axis.