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Electrical Engineering formulas

130 results. Open any card and leave one value empty to calculate it.

Electrical Engineering

Transmission Line efficiency

Electrical Engineering

\[\eta = \frac{Power_{received\_at\_the\_receiving\_end}}{Power_{received\_at\_the\_receiving\_end} + losses} \cdot 100\]
GATE
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Turn ratio auto transformer

Electrical Engineering

\[K \cdot of_{auto\_transformer} = \frac{LV}{HV}\]
GATE
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Use Factor

Electrical Engineering

\[Use_factor = ( ( Actual_energy_produced ) / ( Plant_capacity \cdot Time \cdot ( hrs ) \cdot the_plant_has_been_in_operation ) )\]
GATE
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Variable losses in series motor

Electrical Engineering

\[P_v = P_c + P_s \cdot t + P_b\]
GATE
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Voltage regulation of DC machine

Electrical Engineering

\[V_{R} = \frac{V_{n} \cdot l - V_{f}}{V_{f}} \cdot 100\]
GATE
Open calculator Electrical Engineering

Voltage Regulation Per Unit

Electrical Engineering

\[V = V_{r} \cdot \cos\left(\phi_{r}\right) + V_{x} \cdot \sin\left(\phi_{r}\right)\]
GATE
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Voltage3 phase star connection

Electrical Engineering

\[V_P = ( ( V_L ) / ( sqrt ( 3 ) ) )\]
GATE
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Water Available Per Annum

Electrical Engineering

\[Volume_of_water_available_per_annum = catchment_area \cdot Annual_Rainfall\]
GATE
Open calculator Electrical Engineering

Wind power

Electrical Engineering

\[P = 0.5 \cdot \rho \cdot {AV}^{3}\]
GATE
Open calculator Electrical Engineering

Yearly Average Load

Electrical Engineering

\[Yearly_{average\_load} = \frac{KWH_{delivered\_in\_one\_year}}{365 \cdot 24}\]
GATE
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