Overall Efficiency of DC Generator Calculator

✖Output Power refers to the product of current and voltage at the output terminal of a dc generator.ⓘ Output Power [P_o]			+10% -10%
✖Input Power refers to the power input required to rotate the armature of the generator, which in turn generates electrical power. The mechanical power is provided by an external source.ⓘ Input Power [P_in]			+10% -10%

✖Overall Efficiency is the ratio of useful output of a system to the total input applied to the system.ⓘ Overall Efficiency of DC Generator [η_o]

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Formula

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Overall Efficiency of DC Generator

Formula

`"η"_{"o"} = "P"_{"o"}/"P"_{"in"}`

Example

`"0.545455"="120W"/"220W"`

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Overall Efficiency of DC Generator Solution

STEP 0: Pre-Calculation Summary

Formula Used

Overall Efficiency = Output Power/Input Power
η_o = P_o/P_in
This formula uses 3 Variables

Variables Used

Overall Efficiency - Overall Efficiency is the ratio of useful output of a system to the total input applied to the system.
Output Power - (Measured in Watt) - Output Power refers to the product of current and voltage at the output terminal of a dc generator.
Input Power - (Measured in Watt) - Input Power refers to the power input required to rotate the armature of the generator, which in turn generates electrical power. The mechanical power is provided by an external source.

STEP 1: Convert Input(s) to Base Unit

Output Power: 120 Watt --> 120 Watt No Conversion Required
Input Power: 220 Watt --> 220 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_o = P_o/P_in --> 120/220

Evaluating ... ...

η_o = 0.545454545454545

STEP 3: Convert Result to Output's Unit

0.545454545454545 --> No Conversion Required

FINAL ANSWER

0.545454545454545 ≈ 0.545455 <-- Overall Efficiency

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electrical » Machine » DC Machines » DC Generator » DC Generator Characteristics » Overall Efficiency of DC Generator

Credits

Created by Saiju Shah

Jayawantrao Sawant College of Engineering (JSCOE), Pune

Saiju Shah has created this Calculator and 4 more calculators!

Verified by Swapneel Shah

Vidya Pratishthans College of Engineering (VPCOE), Baramati

Swapneel Shah has verified this Calculator and 5 more calculators!

< 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

Overall Efficiency of DC Generator Formula

Overall Efficiency = Output Power/Input Power
η_o = P_o/P_in

What is the Overall Efficiency of DC Generator?

The Overall Efficiency of DC Generator is ratio of output power to input mechanical power. The value of overall efficiency of DC generator ranges from 85% to 95%.

How to Calculate Overall Efficiency of DC Generator?

Overall Efficiency of DC Generator calculator uses Overall Efficiency = Output Power/Input Power to calculate the Overall Efficiency, The Overall Efficiency of DC Generator is the ratio of output power to input mechanical power. Overall Efficiency is denoted by η_o symbol.

How to calculate Overall Efficiency of DC Generator using this online calculator? To use this online calculator for Overall Efficiency of DC Generator, enter Output Power (P_o) & Input Power (P_in) and hit the calculate button. Here is how the Overall Efficiency of DC Generator calculation can be explained with given input values -> 0.545455 = 120/220.

FAQ

What is Overall Efficiency of DC Generator?

The Overall Efficiency of DC Generator is the ratio of output power to input mechanical power and is represented as η_o = P_o/P_in or Overall Efficiency = Output Power/Input Power. Output Power refers to the product of current and voltage at the output terminal of a dc generator & Input Power refers to the power input required to rotate the armature of the generator, which in turn generates electrical power. The mechanical power is provided by an external source.

How to calculate Overall Efficiency of DC Generator?

The Overall Efficiency of DC Generator is the ratio of output power to input mechanical power is calculated using Overall Efficiency = Output Power/Input Power. To calculate Overall Efficiency of DC Generator, you need Output Power (P_o) & Input Power (P_in). With our tool, you need to enter the respective value for Output Power & Input Power 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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