Constant(Two-Wire Mid-Point Earthed) Calculator

✖Power Transmitted is defined as the product of current and voltage phasor in a overhead dc line at the receiving end.ⓘ Power Transmitted [P]			+10% -10%
✖Resistivity is the measure of how strongly a material opposes the flow of current through them.ⓘ Resistivity [ρ]			+10% -10%
✖Length of Wire DC is the total length of the wire from one end to other end.ⓘ Length of Wire DC [L]			+10% -10%
✖Line Losses is defined as the total losses occurring in an Overhead DC line when in use.ⓘ Line Losses [P_loss]			+10% -10%
✖Maximum Voltage Overhead DC is defined as the peak amplitude of the AC voltage supplied to the line or wire.ⓘ Maximum Voltage Overhead DC [V_m]			+10% -10%

✖Constant Overhead DC is defined as the constant of line of a Overhead supply system.ⓘ Constant(Two-Wire Mid-Point Earthed) [K]

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Constant(Two-Wire Mid-Point Earthed) Solution

STEP 0: Pre-Calculation Summary

Formula Used

Constant Overhead DC = (4*(Power Transmitted^2)*Resistivity*(Length of Wire DC^2))/(Line Losses*(Maximum Voltage Overhead DC^2))
K = (4*(P^2)*ρ*(L^2))/(P_loss*(V_m^2))
This formula uses 6 Variables

Variables Used

Constant Overhead DC - Constant Overhead DC is defined as the constant of line of a Overhead supply system.
Power Transmitted - (Measured in Watt) - Power Transmitted is defined as the product of current and voltage phasor in a overhead dc line at the receiving end.
Resistivity - (Measured in Ohm Meter) - Resistivity is the measure of how strongly a material opposes the flow of current through them.
Length of Wire DC - (Measured in Meter) - Length of Wire DC is the total length of the wire from one end to other end.
Line Losses - (Measured in Watt) - Line Losses is defined as the total losses occurring in an Overhead DC line when in use.
Maximum Voltage Overhead DC - (Measured in Volt) - Maximum Voltage Overhead DC is defined as the peak amplitude of the AC voltage supplied to the line or wire.

STEP 1: Convert Input(s) to Base Unit

Power Transmitted: 920 Watt --> 920 Watt No Conversion Required
Resistivity: 1.7E-05 Ohm Meter --> 1.7E-05 Ohm Meter No Conversion Required
Length of Wire DC: 12.7 Meter --> 12.7 Meter No Conversion Required
Line Losses: 0.74 Watt --> 0.74 Watt No Conversion Required
Maximum Voltage Overhead DC: 60.26 Volt --> 60.26 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K = (4*(P^2)*ρ*(L^2))/(P_loss*(V_m^2)) --> (4*(920^2)*1.7E-05*(12.7^2))/(0.74*(60.26^2))

Evaluating ... ...

K = 3.45463393584132

STEP 3: Convert Result to Output's Unit

3.45463393584132 --> No Conversion Required

FINAL ANSWER

3.45463393584132 ≈ 3.454634 <-- Constant Overhead DC

(Calculation completed in 00.020 seconds)

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Home » Engineering » Electrical » Power System » Overhead DC Supply » 2 Wire System » Mid Point Earthed » Wire Parameters » Constant(Two-Wire Mid-Point Earthed)

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< Wire Parameters Calculators

Area of X-Section using Line Losses(Two-Wire Mid-Point Earthed)

LaTeX Go Area of Overhead DC Wire = (Power Transmitted^2)*(Resistivity*Length of Wire DC)/(Line Losses*2*(Maximum Voltage Overhead DC^2))

Length of Wire using Line Losses(Two-Wire Mid-Point Earthed)

LaTeX Go Length of Wire DC = (Maximum Voltage Overhead DC^2)*Line Losses*2*Area of Overhead DC Wire/((Power Transmitted^2)*Resistivity)

Line Losses(Two-Wire Mid-Point Earthed)

LaTeX Go Line Losses = 2*Resistance Overhead DC*(Current Overhead DC^2)

Volume using K(Two-Wire Mid-Point Earthed)

LaTeX Go Volume of Conductor = (0.25)*Constant Overhead DC

Constant(Two-Wire Mid-Point Earthed) Formula

LaTeX Go

Constant Overhead DC = (4*(Power Transmitted^2)*Resistivity*(Length of Wire DC^2))/(Line Losses*(Maximum Voltage Overhead DC^2))
K = (4*(P^2)*ρ*(L^2))/(P_loss*(V_m^2))

What is the value of maximum voltage and volume of conductor material in this system?

The volume of conductor material required in this system is 1/4 times that of a 2-wire d.c.system with the one conductor earthed. The maximum voltage between conductors is 2v_m.

How to Calculate Constant(Two-Wire Mid-Point Earthed)?

Constant(Two-Wire Mid-Point Earthed) calculator uses Constant Overhead DC = (4*(Power Transmitted^2)*Resistivity*(Length of Wire DC^2))/(Line Losses*(Maximum Voltage Overhead DC^2)) to calculate the Constant Overhead DC, The Constant(Two-Wire Mid-point Earthed) formula is the total constant of a single-phase two-wire overhead system. it is represented by K. Constant Overhead DC is denoted by K symbol.

How to calculate Constant(Two-Wire Mid-Point Earthed) using this online calculator? To use this online calculator for Constant(Two-Wire Mid-Point Earthed), enter Power Transmitted (P), Resistivity (ρ), Length of Wire DC (L), Line Losses (P_loss) & Maximum Voltage Overhead DC (V_m) and hit the calculate button. Here is how the Constant(Two-Wire Mid-Point Earthed) calculation can be explained with given input values -> 3.454634 = (4*(920^2)*1.7E-05*(12.7^2))/(0.74*(60.26^2)).

FAQ

What is Constant(Two-Wire Mid-Point Earthed)?

The Constant(Two-Wire Mid-point Earthed) formula is the total constant of a single-phase two-wire overhead system. it is represented by K and is represented as K = (4*(P^2)*ρ*(L^2))/(P_loss*(V_m^2)) or Constant Overhead DC = (4*(Power Transmitted^2)*Resistivity*(Length of Wire DC^2))/(Line Losses*(Maximum Voltage Overhead DC^2)). Power Transmitted is defined as the product of current and voltage phasor in a overhead dc line at the receiving end, Resistivity is the measure of how strongly a material opposes the flow of current through them, Length of Wire DC is the total length of the wire from one end to other end, Line Losses is defined as the total losses occurring in an Overhead DC line when in use & Maximum Voltage Overhead DC is defined as the peak amplitude of the AC voltage supplied to the line or wire.

How to calculate Constant(Two-Wire Mid-Point Earthed)?

The Constant(Two-Wire Mid-point Earthed) formula is the total constant of a single-phase two-wire overhead system. it is represented by K is calculated using Constant Overhead DC = (4*(Power Transmitted^2)*Resistivity*(Length of Wire DC^2))/(Line Losses*(Maximum Voltage Overhead DC^2)). To calculate Constant(Two-Wire Mid-Point Earthed), you need Power Transmitted (P), Resistivity (ρ), Length of Wire DC (L), Line Losses (P_loss) & Maximum Voltage Overhead DC (V_m). With our tool, you need to enter the respective value for Power Transmitted, Resistivity, Length of Wire DC, Line Losses & Maximum Voltage Overhead DC and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Constant Overhead DC?

In this formula, Constant Overhead DC uses Power Transmitted, Resistivity, Length of Wire DC, Line Losses & Maximum Voltage Overhead DC. We can use 1 other way(s) to calculate the same, which is/are as follows -

Constant Overhead DC = 4*Volume of Conductor

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