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Terminal Voltage, electric pressure or electric tension is the difference in electric potential between two points in electrical machines. Check FAQs
Vt=Va-Ia(Ra+Rse)
Vt - Terminal Voltage?Va - Armature Voltage?Ia - Armature Current?Ra - Armature Resistance?Rse - Series Field Resistance?

Terminal Voltage of Series DC Generator Example

With values
With units
Only example

Here is how the Terminal Voltage of Series DC Generator equation looks like with Values.

Here is how the Terminal Voltage of Series DC Generator equation looks like with Units.

Here is how the Terminal Voltage of Series DC Generator equation looks like.

170.0072Edit=275Edit-0.66Edit(35.58Edit+123.5Edit)
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Terminal Voltage of Series DC Generator Solution

Follow our step by step solution on how to calculate Terminal Voltage of Series DC Generator?

FIRST Step Consider the formula
Vt=Va-Ia(Ra+Rse)
Next Step Substitute values of Variables
Vt=275V-0.66A(35.58Ω+123.5Ω)
Next Step Prepare to Evaluate
Vt=275-0.66(35.58+123.5)
LAST Step Evaluate
Vt=170.0072V

Terminal Voltage of Series DC Generator Formula Elements

Variables
Terminal Voltage
Terminal Voltage, electric pressure or electric tension is the difference in electric potential between two points in electrical machines.
Symbol: Vt
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Armature Voltage
Armature Voltage is defined as voltage developed at the terminals of the armature winding of an AC or DC machine during the generation of power.
Symbol: Va
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Armature Current
Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.
Symbol: Ia
Measurement: Electric CurrentUnit: A
Note: Value should be greater than 0.
Armature Resistance
Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical generator.
Symbol: Ra
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.
Series Field Resistance
Series field resistance refers to the electrical resistance of the field winding in a series-wound DC motor or generator.
Symbol: Rse
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.

Other Formulas to find Terminal Voltage

​Go Terminal Voltage of Series DC Generator given Output Power
Vt=PoutIL

Other formulas in Voltage and EMF category

​Go Armature Induced Voltage of Series DC Generator
Va=Vt+Ia(Ra+Rse)

How to Evaluate Terminal Voltage of Series DC Generator?

Terminal Voltage of Series DC Generator evaluator uses Terminal Voltage = Armature Voltage-Armature Current*(Armature Resistance+Series Field Resistance) to evaluate the Terminal Voltage, The Terminal Voltage of Series DC Generator formula is defined as the voltage at the terminal side of the series DC generator. Terminal Voltage is denoted by Vt symbol.

How to evaluate Terminal Voltage of Series DC Generator using this online evaluator? To use this online evaluator for Terminal Voltage of Series DC Generator, enter Armature Voltage (Va), Armature Current (Ia), Armature Resistance (Ra) & Series Field Resistance (Rse) and hit the calculate button.

FAQs on Terminal Voltage of Series DC Generator

What is the formula to find Terminal Voltage of Series DC Generator?
The formula of Terminal Voltage of Series DC Generator is expressed as Terminal Voltage = Armature Voltage-Armature Current*(Armature Resistance+Series Field Resistance). Here is an example- 170.0072 = 275-0.66*(35.58+123.5).
How to calculate Terminal Voltage of Series DC Generator?
With Armature Voltage (Va), Armature Current (Ia), Armature Resistance (Ra) & Series Field Resistance (Rse) we can find Terminal Voltage of Series DC Generator using the formula - Terminal Voltage = Armature Voltage-Armature Current*(Armature Resistance+Series Field Resistance).
What are the other ways to Calculate Terminal Voltage?
Here are the different ways to Calculate Terminal Voltage-
  • Terminal Voltage=Output Power/Load CurrentOpenImg
Can the Terminal Voltage of Series DC Generator be negative?
No, the Terminal Voltage of Series DC Generator, measured in Electric Potential cannot be negative.
Which unit is used to measure Terminal Voltage of Series DC Generator?
Terminal Voltage of Series DC Generator is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Terminal Voltage of Series DC Generator can be measured.
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