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Electrical Engineering formulas

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

Electrical Engineering

Airgap power for a series generator

Electrical Engineering

\[P_{e} = \omega \cdot T\]
GATE
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Airgap power for a series motor

Electrical Engineering

\[P_{e} = \omega \cdot T\]
GATE
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Airgap power for a shunt motor

Electrical Engineering

\[P_{e} = \omega \cdot T\]
GATE
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Armature angle

Electrical Engineering

\[\theta_{electrical} = \frac{P}{2} \cdot \theta_{mechanical}\]
GATE
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Armature mmf per Pole

Electrical Engineering

\[A \cdot T_{a} = \frac{Z \cdot I_{a}}{2 \cdot A \cdot P}\]
GATE
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Asymmetrical breaking current

Electrical Engineering

\[Asymmetrical_breaking_current = r \cdot m \cdot s \cdot value_of_total_current\]
GATE
Open calculator Electrical Engineering

AT (Compensating Winding)

Electrical Engineering

\[AT \cdot Compensating_{Winding} = \frac{ZI_{a}}{2 \cdot AP} \cdot \frac{pole_{arc}}{pole_{pitch}}\]
GATE
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Average load

Electrical Engineering

\[Average_{load} = \frac{Energy_{consumed\_in\_a\_given\_period}}{Hours_{in\_that\_time\_period}}\]
GATE
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Average RRRV

Electrical Engineering

\[RRRV = ( ( 2 \cdot V_r ) / ( \pi \cdot sqrt ( LC ) ) )\]
GATE
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Back Pitch in Lap winding

Electrical Engineering

\[Y_b = U \cdot Y_c \cdot s\]
GATE
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Brush Contact drop in series motor

Electrical Engineering

\[P_b = Brush_Contact \cdot drop\]
GATE
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Capacity Factor

Electrical Engineering

\[Capacity_{factor} = \frac{Average_{demand\_on\_the\_station}}{Max_{installed\_capacity\_of\_the\_station}}\]
GATE
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Compensating conductor per pole

Electrical Engineering

\[\frac{N_{cw}}{pole} = \frac{z}{2 \cdot AP} \cdot \frac{pole \cdot arc}{pole_{pitch}}\]
GATE
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Condition for min voltage regulation

Electrical Engineering

\[\cos\left(\theta + \phi\right) = -\frac{I_{a} \cdot Z_{s}}{2 \cdot V}\]
GATE
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Conductor Current in Lap winding

Electrical Engineering

\[I_{C} = \frac{I_{a}}{A}\]
GATE
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Conductor Current in wave winding

Electrical Engineering

\[I_{C} = \frac{I_{a}}{A}\]
GATE
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Copper losses in series motor

Electrical Engineering

\[P_c = Copper \cdot losses\]
GATE
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Cumulatively compounded DC generator current

Electrical Engineering

\[I_a = I_f + I_L\]
GATE
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Cumulatively compounded DC generator Terminal Voltage

Electrical Engineering

\[V = E_a - ( l_a \cdot R_a + l_a \cdot R_f )\]
GATE
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Current in 3 phase delta Connection

Electrical Engineering

\[I_P = ( ( I_L ) / ( sqrt ( 3 ) ) )\]
GATE
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Daily Average Load

Electrical Engineering

\[Daily_{average\_load} = \frac{KWH_{deliverd\_in\_one\_day}}{24}\]
GATE
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Demand Factor

Electrical Engineering

\[Demand_{Factor} = \frac{Maximum_{demand}}{Connected_{load}}\]
GATE
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Dielectric dissipation factor of the insulation system

Electrical Engineering

\[Rs = X_{c} \cdot \tan\left(\delta\right)\]
GATE
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Dielectric power loss

Electrical Engineering

\[P = I ^ ( 2 ) \cdot R_s\]
GATE
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