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Input Power Formula

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Total Input Power is calculated by multiplying voltage (in volts) by current (in amps). Check FAQs

P i = P out + P loss

P_i - Total Input Power?P_out - Output Power?P_loss - Power Loss?

Input Power Example

With values

With units

Only example

Here is how the Input Power equation looks like with Values.

Here is how the Input Power equation looks like with Units.

Here is how the Input Power equation looks like.

52 = 36.3 + 15.7

52J/s = 36.3W + 15.7W

52 = 36.3 + 15.7

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) icon above to edit Input Values and Units.

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Input Power Solution

Follow our step by step solution on how to calculate Input Power?

FIRST Step Consider the formula

P i = P out + P loss

Next Step Substitute values of Variables

∴

P i = 36.3W + 15.7W

Next Step Prepare to Evaluate

∴

P i = 36.3 + 15.7

Next Step Evaluate

∴

P i = 52W

LAST Step Convert to Output's Unit

∴

P i = 52J/s

Input Power Formula Elements

Variables

Total Input Power

Total Input Power is calculated by multiplying voltage (in volts) by current (in amps).

Symbol: P_i

Measurement: PowerUnit: J/s

Note: Value should be greater than 0.

Formulas to find Total Input Power

Output Power

Output Power is the power supplied by the electrical machine to the load connected across it.

Symbol: P_out

Measurement: PowerUnit: W

Note: Value should be greater than 0.

Formulas to find Output Power

Power Loss

Power Loss is the loss of the electrical power network supply to an end user.

Symbol: P_loss

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Power Loss

Other formulas in Momentum Theory of Propellers category

Go Thrust on Propeller

Ft = (\frac{π}{4}) \cdot (D^{2}) \cdot dP

Go Diameter of Propeller given Thrust on Propeller

D = \sqrt{(\frac{4}{π}) \cdot \frac{Ft}{dP}}

Go Flow Velocity given Thrust on Propeller

V f = - (\frac{Ft}{ρ Water \cdot q flow}) + V

Go Rate of Flow through Propeller

Q = (\frac{π}{8}) \cdot (D^{2}) \cdot (V + V f)

How to Evaluate Input Power?

Input Power evaluator uses Total Input Power = Output Power+Power Loss to evaluate the Total Input Power, The Input Power is defined as total power being generated by the propeller of the jet engine used for rotation. Total Input Power is denoted by P_i symbol.

How to evaluate Input Power using this online evaluator? To use this online evaluator for Input Power, enter Output Power (P_out) & Power Loss (P_loss) and hit the calculate button.

FAQs on Input Power

What is the formula to find Input Power?

The formula of Input Power is expressed as Total Input Power = Output Power+Power Loss. Here is an example- 56.7 = 36.3+15.7.

How to calculate Input Power?

With Output Power (P_out) & Power Loss (P_loss) we can find Input Power using the formula - Total Input Power = Output Power+Power Loss.

Can the Input Power be negative?

No, the Input Power, measured in Power cannot be negative.

Which unit is used to measure Input Power?

Input Power is usually measured using the Joule per Second[J/s] for Power. Watt[J/s], Kilowatt[J/s], Milliwatt[J/s] are the few other units in which Input Power can be measured.

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