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Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Formula

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Worst case steady state voltage of thyristor is the voltage across thyristor 1 of the series string when I_D1=0 and ΔID = I_D2. Check FAQs

V ss = \frac{V string + R stb \cdot (n - 1) \cdot ΔI D}{n}

V_ss - Worst Case Steady State Voltage?V_string - Resultant Series Voltage of Thyristor String?R_stb - Stablizing Resistance?n - Number of Thyristors in Series?ΔI_D - Off State Current Spread?

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Example

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Here is how the Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors equation looks like with Values.

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Here is how the Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors equation looks like.

113.504 = \frac{20.512 + 32 \cdot (3 - 1) \cdot 5}{3}

113.504V = \frac{20.512V + 32Ω \cdot (3 - 1) \cdot 5A}{3}

113.504 = \frac{20.512 + 32 \cdot (3 - 1) \cdot 5}{3}

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Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Solution

Follow our step by step solution on how to calculate Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors?

FIRST Step Consider the formula

V ss = \frac{V string + R stb \cdot (n - 1) \cdot ΔI D}{n}

Next Step Substitute values of Variables

∴

V ss = \frac{20.512V + 32Ω \cdot (3 - 1) \cdot 5A}{3}

Next Step Prepare to Evaluate

∴

V ss = \frac{20.512 + 32 \cdot (3 - 1) \cdot 5}{3}

LAST Step Evaluate

∴

V ss = 113.504V

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Formula Elements

Variables

Worst Case Steady State Voltage

Worst case steady state voltage of thyristor is the voltage across thyristor 1 of the series string when I_D1=0 and ΔID = I_D2.

Symbol: V_ss

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Worst Case Steady State Voltage

Resultant Series Voltage of Thyristor String

Resultant series voltage of thyristor string is the resultant voltage of the series combination of n_s number of thyristors.

Symbol: V_string

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Resultant Series Voltage of Thyristor String

Stablizing Resistance

Stablizing Resistance is defined as the opposition faced by the flow of current through a thyristor based circuit which is used to stablize.

Symbol: R_stb

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Stablizing Resistance

Number of Thyristors in Series

Number of thyristors in series thyristor string is the quantity of thyristors in the series combination.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Number of Thyristors in Series

Off State Current Spread

Off state current spread of thyristor string is the difference between the two currents across adjacent thyristors in the string.

Symbol: ΔI_D

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Off State Current Spread

Other formulas in SCR Performance Parameters category

Go Derating Factor of Series Connected Thyristor String

DRF = 1 - \frac{V string}{V ss \cdot n}

Go Leakage Current of Collector-Base Junction

I CBO = I C - α \cdot I C

Go Power Dissipated by Heat in SCR

P dis = \frac{T junc - T amb}{θ}

Go Thermal Resistance of SCR

θ = \frac{T junc - T amb}{P dis}

How to Evaluate Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors?

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors evaluator uses Worst Case Steady State Voltage = (Resultant Series Voltage of Thyristor String+Stablizing Resistance*(Number of Thyristors in Series-1)*Off State Current Spread)/Number of Thyristors in Series to evaluate the Worst Case Steady State Voltage, Worst case steady state voltage across first thyristor in series connected thyristors is the voltage across thyristor 1 of the series string when I_D1=0 and ΔI_D = I_D2. Worst Case Steady State Voltage is denoted by V_ss symbol.

How to evaluate Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors using this online evaluator? To use this online evaluator for Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors, enter Resultant Series Voltage of Thyristor String (V_string), Stablizing Resistance (R_stb), Number of Thyristors in Series (n) & Off State Current Spread (ΔI_D) and hit the calculate button.

FAQs on Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors

What is the formula to find Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors?

The formula of Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors is expressed as Worst Case Steady State Voltage = (Resultant Series Voltage of Thyristor String+Stablizing Resistance*(Number of Thyristors in Series-1)*Off State Current Spread)/Number of Thyristors in Series. Here is an example- 113.3333 = (20.512+32*(3-1)*5)/3.

How to calculate Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors?

With Resultant Series Voltage of Thyristor String (V_string), Stablizing Resistance (R_stb), Number of Thyristors in Series (n) & Off State Current Spread (ΔI_D) we can find Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors using the formula - Worst Case Steady State Voltage = (Resultant Series Voltage of Thyristor String+Stablizing Resistance*(Number of Thyristors in Series-1)*Off State Current Spread)/Number of Thyristors in Series.

Can the Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors be negative?

Yes, the Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors, measured in Electric Potential can be negative.

Which unit is used to measure Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors?

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors can be measured.

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Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Formula

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Example

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Solution

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors Formula Elements

Other formulas in SCR Performance Parameters category

How to Evaluate Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors?

FAQs on Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors

Variable Name