Constant Losses given Mechanical Loss Calculator

✖Core losses are defined as the sum of hysteresis and eddy current losses that occur in the armature iron current due to a small induced current.ⓘ Core Losses [P_core]			+10% -10%
✖Mechanical Losses are the losses associated with the mechanical friction of the machine.ⓘ Mechanical Losses [L_m]			+10% -10%

✖Constant Loss refer to the power that is dissipated within the motor even when it is not under load or performing useful work.ⓘ Constant Losses given Mechanical Loss [C_loss]

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Constant Losses given Mechanical Loss

Formula

`"C"_{"loss"} = "P"_{"core"}+"L"_{"m"}`

Example

`"15.9W"="6.8W"+"9.1W"`

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Constant Losses given Mechanical Loss Solution

STEP 0: Pre-Calculation Summary

Formula Used

Constant Loss = Core Losses+Mechanical Losses
C_loss = P_core+L_m
This formula uses 3 Variables

Variables Used

Constant Loss - (Measured in Watt) - Constant Loss refer to the power that is dissipated within the motor even when it is not under load or performing useful work.
Core Losses - (Measured in Watt) - Core losses are defined as the sum of hysteresis and eddy current losses that occur in the armature iron current due to a small induced current.
Mechanical Losses - (Measured in Watt) - Mechanical Losses are the losses associated with the mechanical friction of the machine.

STEP 1: Convert Input(s) to Base Unit

Core Losses: 6.8 Watt --> 6.8 Watt No Conversion Required
Mechanical Losses: 9.1 Watt --> 9.1 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_loss = P_core+L_m --> 6.8+9.1

Evaluating ... ...

C_loss = 15.9

STEP 3: Convert Result to Output's Unit

15.9 Watt --> No Conversion Required

FINAL ANSWER

15.9 Watt <-- Constant Loss

(Calculation completed in 00.004 seconds)

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< 25 DC Motor Characteristics Calculators

Supply Voltage given Overall Efficiency of DC Motor

Go Supply Voltage = ((Electric Current-Shunt Field Current)^2*Armature Resistance+Mechanical Losses+Core Losses)/(Electric Current*(1-Overall Efficiency))

Machine Construction Constant of DC Motor

Go Constant of Machine Construction = (Supply Voltage-Armature Current*Armature Resistance)/(Magnetic Flux*Motor Speed)

Motor Speed of DC Motor given Flux

Go Motor Speed = (Supply Voltage-Armature Current*Armature Resistance)/(Constant of Machine Construction*Magnetic Flux)

Magnetic Flux of DC Motor

Go Magnetic Flux = (Supply Voltage-Armature Current*Armature Resistance)/(Constant of Machine Construction*Motor Speed)

Back EMF Equation of DC Motor

Go Back EMF = (Number of Poles*Magnetic Flux*Number of Conductors*Motor Speed)/(60*Number of Parallel Paths)

Motor Speed of DC Motor

Go Motor Speed = (60*Number of Parallel Paths*Back EMF)/(Number of Conductors*Number of Poles*Magnetic Flux)

Overall Efficiency of DC Motor given Input Power

Go Overall Efficiency = (Input Power-(Armature Copper Loss+Field Copper Losses+Power Loss))/Input Power

Armature Current of DC Motor

Go Armature Current = Armature Voltage/(Constant of Machine Construction*Magnetic Flux*Angular Speed)

Armature Current given Electrical Efficiency of DC Motor

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

Supply Voltage given Electrical Efficiency of DC Motor

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

Electrical Efficiency of DC Motor

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

Armature Torque given Electrical Efficiency of DC Motor

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

Angular Speed given Electrical Efficiency of DC Motor

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

Mechanical Power Developed in DC Motor given Input Power

Go Mechanical Power = Input Power-(Armature Current^2*Armature Resistance)

Total Power Loss given Overall Efficiency of DC Motor

Go Power Loss = Input Power-Overall Efficiency*Input Power

Armature Torque given Mechanical Efficiency of DC Motor

Go Armature Torque = Mechanical Efficiency*Motor Torque

Motor Torque given Mechanical Efficiency of DC Motor

Go Motor Torque = Armature Torque/Mechanical Efficiency

Mechanical Efficiency of DC Motor

Go Mechanical Efficiency = Armature Torque/Motor Torque

Converted Power given Electrical Efficiency of DC Motor

Go Converted Power = Electrical Efficiency*Input Power

Input Power given Electrical Efficiency of DC Motor

Go Input Power = Converted Power/Electrical Efficiency

Overall Efficiency of DC Motor

Go Overall Efficiency = Mechanical Power/Input Power

Output Power given Overall Efficiency of DC Motor

Go Output Power = Input Power*Overall Efficiency

Core Loss given Mechanical Loss of DC Motor

Go Core Losses = Constant Loss-Mechanical Losses

Constant Losses given Mechanical Loss

Go Constant Loss = Core Losses+Mechanical Losses

DC Motor Frequency given Speed

Go Frequency = (Number of Poles*Motor Speed)/120

Constant Losses given Mechanical Loss Formula

Constant Loss = Core Losses+Mechanical Losses
C_loss = P_core+L_m

What is the definition of efficiency?

Efficiency signifies a peak level of performance that uses the least amount of inputs to achieve the highest amount of output. Efficiency requires reducing the number of unnecessary resources used to produce a given output including personal time and energy.

How to Calculate Constant Losses given Mechanical Loss?

Constant Losses given Mechanical Loss calculator uses Constant Loss = Core Losses+Mechanical Losses to calculate the Constant Loss, The Constant Losses given Mechanical Loss of DC Motor formula are defined as the loss of the DC motor that does not change with load. Constant Loss is denoted by C_loss symbol.

How to calculate Constant Losses given Mechanical Loss using this online calculator? To use this online calculator for Constant Losses given Mechanical Loss, enter Core Losses (P_core) & Mechanical Losses (L_m) and hit the calculate button. Here is how the Constant Losses given Mechanical Loss calculation can be explained with given input values -> 15.9 = 6.8+9.1.

FAQ

What is Constant Losses given Mechanical Loss?

The Constant Losses given Mechanical Loss of DC Motor formula are defined as the loss of the DC motor that does not change with load and is represented as C_loss = P_core+L_m or Constant Loss = Core Losses+Mechanical Losses. Core losses are defined as the sum of hysteresis and eddy current losses that occur in the armature iron current due to a small induced current & Mechanical Losses are the losses associated with the mechanical friction of the machine.

How to calculate Constant Losses given Mechanical Loss?

The Constant Losses given Mechanical Loss of DC Motor formula are defined as the loss of the DC motor that does not change with load is calculated using Constant Loss = Core Losses+Mechanical Losses. To calculate Constant Losses given Mechanical Loss, you need Core Losses (P_core) & Mechanical Losses (L_m). With our tool, you need to enter the respective value for Core Losses & Mechanical Losses 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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