Write the expressions for star connected resistors in terms of delta connected resistors.

in Electrical Engineering

Related questions

in Electrical Engineering

Write the expressions for delta connected resistors in terms of star connected resistors.

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is the formulae for delta and star connected system?

What is the formulae for delta and star connected system?
Answer : In electrical engineering, Delta (Δ) and Star (Y) connections refer to the way the windings of three-phase systems (like transformers and motors) are connected. Here are the key ... electrical systems and help in calculating voltages, currents, and impedances for different types of connections....

View solution

0 like 0 dislike

7 views 1 answer

in Electrical Engineering

What is the formula for Delta and star connected system?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the formula for Delta and Star connected system?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

A 220V/22kV three-phase transformer is connected in star/delta. The protective transformers on the 220V side have a current ratio of 400/5. Calculate the CT ratio on the 22kV side.

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

Why is the transformer connected in delta Star?

Why is the transformer connected in delta Star?
Answer : A transformer is connected in a **delta-star (Δ-Y)** configuration for several practical reasons in electrical systems. Here's why it's commonly used: ### 1. **Step-down Voltage* ... single-phase connections. It offers benefits like voltage stability, load balancing, and better handling of faults....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

What is the relation between power in 3 phase delta and star connected system?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the relationship between resistance connected in delta and equivalent star system?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the relation between line and phase values in a star and delta connected system?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Give the relationship between resistances connected in delta and equivalent star systems ?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Write mathematical expressions for the three phases of a three-phase supply.

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is the expression for equivalent resistance if resistors are connected in series?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What are the advantages of star and delta connected systems?

What are the advantages of star and delta connected systems?
Answer : Star and delta connections are two different ways to connect three-phase electrical systems, and each has its own advantages depending on the application. Here's a comparison: ### **Star Connection (Wye ... voltage step-up or step-down (via transformers), and delta used for power delivery to loads....

View solution

0 like 0 dislike

4 views 1 answer

in Electrical Engineering

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of the protective transformers on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is Delta connected and star connected?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is the difference between star connected load and delta connected load?

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

Explain Star and Delta connected three-phase balanced circuits.

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

Write down the expression of equivalent resistance for ‘n’- number of resistors in parallel connection.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Write down the expression of equivalent resistance for ‘n’ – number of resistors in series connection.

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is the equivalent resistance of given two resistors connected in series?

What is the equivalent resistance of given two resistors connected in series?
Answer : To find the equivalent resistance of two resistors connected in series, you simply add their resistances together. The formula is: \[ R_{eq} = R_1 + R_2 \] Where: - \( R_1 \) is the resistance of ... resistances \( R_1 \) and \( R_2 \), just add them up to get the total or equivalent resistance....

View solution

0 like 0 dislike

3 views 1 answer

in Electrical Engineering

How many resistors of 88 ohm are connected in parallel?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

Write the expression of phase angle in terms of the reading of the 2 wattmeters in the two wattmeter method.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Explain the concept of the following terms: (i) Connected load (ii) Maximum demand

Explain the concept of the following terms: (i) Connected load (ii) Maximum demand
Answer : Sure! Here's a simple explanation of both terms: ### 1. **Connected Load:** - **Definition:** The *connected load* refers to the total electrical power (in kilowatts, kW or kilovolt- ... appliances run simultaneously at full capacity. Let me know if you'd like to dive deeper into these!...

View solution

0 like 0 dislike

7 views 1 answer

in Electrical Engineering

Derive the expression of line voltage in terms of phase voltage in star connection.

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

State the relationship between line voltage & phase voltage and line current & phase current in a 3-phase star connected system.

State the relationship between line voltage & phase voltage and line current & phase current in a 3-phase star connected system.
Answer : In a 3-phase star (wye) connected system, the relationship between line voltage, phase voltage, line current, and phase current can be summarized as follows: ### 1. **Line Voltage and ... and currents behave in a 3-phase system, especially when configuring systems for different types of loads....

View solution

0 like 0 dislike

7 views 1 answer

in Electrical Engineering

Derive the expression of line current in terms of phase voltage in delta connection.

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

Draw neat diagram of star-delta starter for three phase induction motor.

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

Why Delta Star Transformers are used for Lighting Loads?

Why Delta Star Transformers are used for Lighting Loads?
Answer : Delta-Star transformers are commonly used for lighting loads for a few important reasons: 1. **Voltage Compatibility**: Lighting systems often require a lower voltage, typically 230V or ... Star transformer configuration helps provide a stable, reliable, and safe power supply for lighting loads....

View solution

0 like 0 dislike

6 views 1 answer

in Electrical Engineering

What is the symbol for Delta and star connection?

What is the symbol for Delta and star connection?
Answer : In electrical engineering, **Delta (Δ)** and **Star (Y)** connections are two common methods of connecting the windings of three-phase electrical systems. Here are their symbols: ### ... and distributing power in three-phase systems, and each has its advantages depending on the application....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

What is the formula for Delta to star network?

What is the formula for Delta to star network?
Answer : The conversion from a **Delta (Δ) network** to a **Star (Y) network** is done using the following formulas: Let the resistances in the **Delta network** be: - \( R_{AB} = ... the electrical behavior of the network remains the same after conversion. Let me know if you need further clarification! ...

View solution

0 like 0 dislike

8 views 1 answer

in Electrical Engineering

What is another name for Delta is star?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the relationship of line and phase voltages and currents in a delta connected system?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the relationship between the line voltage and the phase voltage in a delta connected load?

What is the relationship between the line voltage and the phase voltage in a delta connected load?
Answer : In a delta-connected load, the relationship between the line voltage (\(V_L\)) and the phase voltage (\(V_\phi\)) is: \[ V_L = V_\phi \] ### Explanation: - **Line Voltage (\(V_L\))** is the ... line voltage is √3 times the phase voltage. So, in summary: - **Delta Connection**: \(V_L = V_\phi\)...

View solution

0 like 0 dislike

4 views 1 answer

in Electrical Engineering

State the relationship between line voltage & phase voltage and line current & phase current in a 3-phase delta connected system.

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

Derive the mathematical expressions for designing circular and rectangular heating elements.

View solution

0 like 0 dislike

12 views 0 answers

in Electrical Engineering

What is the relationship between voltage and current in star and delta connection?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the current relation in star delta connection?

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is the relationship between current and voltage in star-delta connection?

What is the relationship between current and voltage in star-delta connection?
Answer : The relationship between **current and voltage in star and delta connections** is very important in electrical engineering, especially when dealing with **three-phase systems** like motors and transformers. Let's break ... Let me know if you'd like a diagram or an example problem to go with this!...

View solution

0 like 0 dislike

4 views 1 answer

in Electrical Engineering

What is the relationship between the voltage and current in Star and Delta?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is the relationship between voltage and current in star and Delta Connection?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the relationship between voltage and current in star delta connection?

What is the relationship between voltage and current in star delta connection?
Answer : In a star-delta connection, the relationship between voltage and current changes based on the type of connection (star or delta) and how the phases are wired. Let's break it down: ### 1 ... in both star and delta connections varies depending on whether you're talking about line or phase quantities....

View solution

0 like 0 dislike

6 views 1 answer

in Electrical Engineering

Is the power factor is same in star and delta connection?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the relationship between current and voltage in star and delta connection?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

How to find equivalent resistance in star delta connection?

How to find equivalent resistance in star delta connection?
Answer : To find the equivalent resistance in a **Star-Delta** (also called **Wye-Delta**) connection, you need to know the relationship between the resistances in the star (Y) configuration and ... Star connection, you can use the formulas above to find the equivalent resistances in the Delta connection....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

What is voltage and current relationship in star and Delta connection?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the relationship between the voltage and current in a star and delta connection?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the relationship between voltage and current in star and Delta connection?

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is the relationship between current and voltage in star delta connection?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

How does a star-delta starter work in starting an induction motor?

How does a star-delta starter work in starting an induction motor?
Answer : A star-delta starter is commonly used to reduce the starting current and prevent damage to an induction motor during startup. Here's how it works in simple terms: ### 1. ** ... especially useful for motors with high starting currents, such as large motors used in industrial applications....

View solution

0 like 0 dislike

6 views 1 answer

in Electrical Engineering

What is the formula for calculating the total resistance of resistors in parallel?

What is the formula for calculating the total resistance of resistors in parallel?
Answer : The formula for calculating the total resistance (\( R_{total} \)) of resistors in parallel is: \[ \frac{1}{R_{total}} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} + ... resistors, you can use the first formula and find the reciprocal of the sum of the reciprocals of the individual resistances....

View solution

0 like 0 dislike

4 views 1 answer

Write the expressions for star connected resistors in terms of delta connected resistors.

0 Answers

Related questions

Subjects