Voltage applied to wattmeter pressure coil Calculator

✖Wattmeter Reading is the value measured by an instrument that is used for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit.ⓘ Wattmeter Reading [W_r]			+10% -10%
✖Potential Difference is the external work needed to bring a charge from one location to another location in an electric field.ⓘ Potential Difference [V]			+10% -10%
✖Iron Loss refers to the electrical power dissipated as heat in the iron core of the instrument. It occurs due to magnetic hysteresis and eddy currents induced in the core material.ⓘ Iron Loss [P_i]			+10% -10%

✖Pressure Coil Voltage is typically proportional to the current being measured, generating a magnetic field that interacts with the current-carrying conductor for power measurement.ⓘ Voltage applied to wattmeter pressure coil [V_wp]

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Formula

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Voltage applied to wattmeter pressure coil

Formula

`"V"_{"wp"} = ("W"_{"r"}*"V")/"P"_{"i"}`

Example

`"10.2766V"=("5.25W"*"18.4V")/"9.4W"`

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Voltage applied to wattmeter pressure coil Solution

STEP 0: Pre-Calculation Summary

Formula Used

Pressure Coil Voltage = (Wattmeter Reading*Potential Difference)/Iron Loss
V_wp = (W_r*V)/P_i
This formula uses 4 Variables

Variables Used

Pressure Coil Voltage - (Measured in Volt) - Pressure Coil Voltage is typically proportional to the current being measured, generating a magnetic field that interacts with the current-carrying conductor for power measurement.
Wattmeter Reading - (Measured in Watt) - Wattmeter Reading is the value measured by an instrument that is used for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit.
Potential Difference - (Measured in Volt) - Potential Difference is the external work needed to bring a charge from one location to another location in an electric field.
Iron Loss - (Measured in Watt) - Iron Loss refers to the electrical power dissipated as heat in the iron core of the instrument. It occurs due to magnetic hysteresis and eddy currents induced in the core material.

STEP 1: Convert Input(s) to Base Unit

Wattmeter Reading: 5.25 Watt --> 5.25 Watt No Conversion Required
Potential Difference: 18.4 Volt --> 18.4 Volt No Conversion Required
Iron Loss: 9.4 Watt --> 9.4 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_wp = (W_r*V)/P_i --> (5.25*18.4)/9.4

Evaluating ... ...

V_wp = 10.2765957446809

STEP 3: Convert Result to Output's Unit

10.2765957446809 Volt --> No Conversion Required

FINAL ANSWER

10.2765957446809 ≈ 10.2766 Volt <-- Pressure Coil Voltage

(Calculation completed in 00.004 seconds)

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Created by Shobhit Dimri

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

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< 15 Wattmeter Circuit Calculators

Deflecting Torque in Electrodynamic Wattmeter

Go Deflecting Torque = (Total Voltage*Total Current*cos(Phase Angle)*Inductance Change with Deflection Angle)/Pressure Coil Resistance

Deflection Angle in Electrodynamic Wattmeter

Go Deflection Angle = (Total Current*Pressure Coil Current*cos(Phase Angle)*Inductance Change with Deflection Angle)/(Spring Constant)

Total Power for Three Phase Wattmeter

Go Total Power = (One Phase Voltage*One Phase Current)+(Two Phase Voltage*Two Phase Current)+(Three Phase Voltage*Three Phase Current)

Resistance of Watt-meter pressure Coil

Go Pressure Coil Resistance = (Voltage Induced in Secondary Winding 2-(Pressure Coil Current*Secondary Winding 1 Coil Resistance))/Pressure Coil Current

Resistance of coil S1

Go Secondary Winding 1 Coil Resistance = (Voltage Induced in Secondary Winding 2-(Pressure Coil Current*Pressure Coil Resistance))/Pressure Coil Current

Total copper loss in secondary winding circuit

Go Secondary Winding Copper Loss = (Voltage Induced in Secondary Winding 2^2)/(Secondary Winding 1 Coil Resistance+Pressure Coil Resistance)

Power using Two Wattmeter Method

Go Total Power = sqrt(3)*Total Phase Voltage*One Phase Current*cos(Phase Angle)

Current in pressure coil circuit

Go Pressure Coil Current = Voltage Induced in Secondary Winding 2/(Pressure Coil Resistance+Secondary Winding 1 Coil Resistance)

Voltage Induced in S2

Go Voltage Induced in Secondary Winding 2 = Pressure Coil Current*(Pressure Coil Resistance+Secondary Winding 1 Coil Resistance)

DC Power (in Voltage Terms)

Go Total Power = Total Voltage*Total Current-(Total Voltage^2/Voltmeter Resistance)

DC Power (in Current Terms)

Go Total Power = Total Voltage*Total Current-Total Current^2*Ammeter Resistance

AC Power

Go Instantaneous AC Power = Total Voltage*Current RMS Value*cos(Phase Angle)

Total Power using phi Angle

Go Total Power = 3*Total Phase Voltage*Total Phase Current*cos(Phase Angle)

Wattmeter Reading

Go Wattmeter Reading = (Pressure Coil Voltage*Iron Loss)/(Potential Difference)

Voltage applied to wattmeter pressure coil

Go Pressure Coil Voltage = (Wattmeter Reading*Potential Difference)/Iron Loss

Voltage applied to wattmeter pressure coil Formula

Pressure Coil Voltage = (Wattmeter Reading*Potential Difference)/Iron Loss
V_wp = (W_r*V)/P_i

what is a wattmeter?

A wattmeter is an electrical device used to measure the real power consumed by an electrical circuit. It typically measures voltage and current to calculate power in watts.

How to Calculate Voltage applied to wattmeter pressure coil?

Voltage applied to wattmeter pressure coil calculator uses Pressure Coil Voltage = (Wattmeter Reading*Potential Difference)/Iron Loss to calculate the Pressure Coil Voltage, The voltage applied to wattmeter pressure coil formula is defined as potential difference across pressure coil of wattmeter. Pressure Coil Voltage is denoted by V_wp symbol.

How to calculate Voltage applied to wattmeter pressure coil using this online calculator? To use this online calculator for Voltage applied to wattmeter pressure coil, enter Wattmeter Reading (W_r), Potential Difference (V) & Iron Loss (P_i) and hit the calculate button. Here is how the Voltage applied to wattmeter pressure coil calculation can be explained with given input values -> 18.10638 = (5.25*18.4)/9.4.

FAQ

What is Voltage applied to wattmeter pressure coil?

The voltage applied to wattmeter pressure coil formula is defined as potential difference across pressure coil of wattmeter and is represented as V_wp = (W_r*V)/P_i or Pressure Coil Voltage = (Wattmeter Reading*Potential Difference)/Iron Loss. Wattmeter Reading is the value measured by an instrument that is used for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit, Potential Difference is the external work needed to bring a charge from one location to another location in an electric field & Iron Loss refers to the electrical power dissipated as heat in the iron core of the instrument. It occurs due to magnetic hysteresis and eddy currents induced in the core material.

How to calculate Voltage applied to wattmeter pressure coil?

The voltage applied to wattmeter pressure coil formula is defined as potential difference across pressure coil of wattmeter is calculated using Pressure Coil Voltage = (Wattmeter Reading*Potential Difference)/Iron Loss. To calculate Voltage applied to wattmeter pressure coil, you need Wattmeter Reading (W_r), Potential Difference (V) & Iron Loss (P_i). With our tool, you need to enter the respective value for Wattmeter Reading, Potential Difference & Iron Loss and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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