Armature Resistance of DC Generator using Output Voltage Calculator

✖Armature Voltage is defined as voltage developed at the terminals of the armature winding of an AC or DC machine during the generation of power.ⓘ Armature Voltage [V_a]			+10% -10%
✖Output Voltage is the electrical potential difference between the two terminals of the generator. Output Voltage is also called the Terminal Voltage.ⓘ Output Voltage [V_o]			+10% -10%
✖Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.ⓘ Armature Current [I_a]			+10% -10%

✖Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical generator.ⓘ Armature Resistance of DC Generator using Output Voltage [R_a]

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Armature Resistance of DC Generator using Output Voltage

Formula

`"R"_{"a"} = ("V"_{"a"}-"V"_{"o"})/"I"_{"a"}`

Example

`"80Ω"=("200V"-"140V")/"0.75A"`

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Armature Resistance of DC Generator using Output Voltage Solution

STEP 0: Pre-Calculation Summary

Formula Used

Armature Resistance = (Armature Voltage-Output Voltage)/Armature Current
R_a = (V_a-V_o)/I_a
This formula uses 4 Variables

Variables Used

Armature Resistance - (Measured in Ohm) - Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical generator.
Armature Voltage - (Measured in Volt) - Armature Voltage is defined as voltage developed at the terminals of the armature winding of an AC or DC machine during the generation of power.
Output Voltage - (Measured in Volt) - Output Voltage is the electrical potential difference between the two terminals of the generator. Output Voltage is also called the Terminal Voltage.
Armature Current - (Measured in Ampere) - Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.

STEP 1: Convert Input(s) to Base Unit

Armature Voltage: 200 Volt --> 200 Volt No Conversion Required
Output Voltage: 140 Volt --> 140 Volt No Conversion Required
Armature Current: 0.75 Ampere --> 0.75 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_a = (V_a-V_o)/I_a --> (200-140)/0.75

Evaluating ... ...

R_a = 80

STEP 3: Convert Result to Output's Unit

80 Ohm --> No Conversion Required

FINAL ANSWER

80 Ohm <-- Armature Resistance

(Calculation completed in 00.004 seconds)

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< 17 DC Generator Characteristics Calculators

Mechanical Efficiency of DC Generator using Armature Voltage

Go Mechanical Efficiency = (Armature Voltage*Armature Current)/(Angular Speed*Torque)

EMF for DC Generator for Wave Winding

Go EMF = (Number of Poles*Rotor Speed*Flux per Pole*Number of Conductor)/120

Stray Losses of DC Generator given Converted Power

Go Stray Loss = Input Power-Mechanical Losses-Core Loss-Converted Power

Core Losses of DC Generator given Converted Power

Go Core Loss = Input Power-Mechanical Losses-Converted Power-Stray Loss

Armature Resistance of DC Generator using Output Voltage

Go Armature Resistance = (Armature Voltage-Output Voltage)/Armature Current

EMF for DC Generator with Lap Winding

Go EMF = (Rotor Speed*Flux per Pole*Number of Conductor)/60

Back EMF of DC Generator given Flux

Go EMF = Back EMF Constant*Angular Speed*Flux per Pole

Power Drop in Brush DC Generator

Go Brush Power Drop = Armature Current*Brush Voltage Drop

Electrical Efficiency of DC Generator

Go Electrical Efficiency = Output Power/Converted Power

Induced Armature Voltage of DC Generator given Converted Power

Go Armature Voltage = Converted Power/Armature Current

Mechanical Efficiency of DC Generator using Converted Power

Go Mechanical Efficiency = Converted Power/Input Power

Armature Current of DC Generator given Power

Go Armature Current = Converted Power/Armature Voltage

Armature Power in DC Generator

Go Amature Power = Armature Voltage*Armature Current

Field Copper Loss in DC Generator

Go Copper Loss = Field Current^2*Field Resistance

Output Voltage in DC Generator using Converted Power

Go Output Voltage = Converted Power/Load Current

Overall Efficiency of DC Generator

Go Overall Efficiency = Output Power/Input Power

Converted Power in DC Generator

Go Converted Power = Output Voltage*Load Current

Armature Resistance of DC Generator using Output Voltage Formula

Armature Resistance = (Armature Voltage-Output Voltage)/Armature Current
R_a = (V_a-V_o)/I_a

What is a DC generator used for?

A DC generator is an electrical device used for generating electrical energy. The main function of this device is to change mechanical energy into electrical energy. There are several types of mechanical energy sources available such as hand cranks, internal combustion engines, water turbines, gas and steam turbines.

How to Calculate Armature Resistance of DC Generator using Output Voltage?

Armature Resistance of DC Generator using Output Voltage calculator uses Armature Resistance = (Armature Voltage-Output Voltage)/Armature Current to calculate the Armature Resistance, The Armature Resistance of DC Generator using Output Voltage formula is defined as is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical generator. Armature Resistance is denoted by R_a symbol.

How to calculate Armature Resistance of DC Generator using Output Voltage using this online calculator? To use this online calculator for Armature Resistance of DC Generator using Output Voltage, enter Armature Voltage (V_a), Output Voltage (V_o) & Armature Current (I_a) and hit the calculate button. Here is how the Armature Resistance of DC Generator using Output Voltage calculation can be explained with given input values -> 80 = (200-140)/0.75.

FAQ

What is Armature Resistance of DC Generator using Output Voltage?

The Armature Resistance of DC Generator using Output Voltage formula is defined as is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical generator and is represented as R_a = (V_a-V_o)/I_a or Armature Resistance = (Armature Voltage-Output Voltage)/Armature Current. Armature Voltage is defined as voltage developed at the terminals of the armature winding of an AC or DC machine during the generation of power, Output Voltage is the electrical potential difference between the two terminals of the generator. Output Voltage is also called the Terminal Voltage & Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.

How to calculate Armature Resistance of DC Generator using Output Voltage?

The Armature Resistance of DC Generator using Output Voltage formula is defined as is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical generator is calculated using Armature Resistance = (Armature Voltage-Output Voltage)/Armature Current. To calculate Armature Resistance of DC Generator using Output Voltage, you need Armature Voltage (V_a), Output Voltage (V_o) & Armature Current (I_a). With our tool, you need to enter the respective value for Armature Voltage, Output Voltage & Armature Current 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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