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How to calculate 3 phase kW?

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How to calculate 3 phase kW?

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A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.

A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.
Answer : Let's break down the problem step by step and calculate the received end voltage and the efficiency of the line. ### Given Data: - Power delivered to the load, \( P = 4000 \, \text{kW} \) - Power factor, \( \text{p. ... voltage**: \( 10.43 \, \text{kV} \) - **Efficiency of the line**: \( 98.61\% \)...

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The power input to a 500V 50Hz 6Pole 3 phase induction motor running at 975 rpm is 40 kW. The stator losses are 1kW and friction and windage losses are 2kW. Calculate: (i) Slip (ii) Rotor copper loss (iii) Shaft power (iv) Efficiency

The power input to a 500V 50Hz 6Pole 3 phase induction motor running at 975 rpm is 40 kW. The stator losses are 1kW and friction and windage losses are 2kW. Calculate: (i) Slip (ii) Rotor copper loss (iii) Shaft power (iv) Efficiency

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in Electrical Engineering

How many kW are in 3 phase?

How many kW are in 3 phase?

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How to calculate capacitor for 3 phase motor?

How to calculate capacitor for 3 phase motor?
Answer : To calculate the capacitor size for a 3-phase motor, the goal is usually to improve the power factor or provide reactive power compensation for motors running at a lagging power factor. The exact size ... instability. Would you like to go through another example or need help with any of the steps?...

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How to calculate apparent power in 3-phase?

How to calculate apparent power in 3-phase?
Answer : To calculate the **apparent power** in a three-phase system, you can use the following formula: ### Formula for Apparent Power (S): \[ S = \sqrt{3} \times V_L \times I_L \] Where: - \( S \) = Apparent Power ( ... times 10 = 6928 \, VA \] So, the **apparent power** is **6928 VA** (or 6.928 kVA)....

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How to calculate apparent power in 3 phase?

How to calculate apparent power in 3 phase?

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How to calculate 3-phase power?

How to calculate 3-phase power?
Answer : To calculate 3-phase power, you need to understand the difference between **real power (P)**, **reactive power (Q)**, and **apparent power (S)**. These can be calculated using different formulas ... **real power** being consumed by the load. Would you like me to explain anything in more detail?...

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How to calculate 3-phase current?

How to calculate 3-phase current?

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How to calculate the kW?

How to calculate the kW?

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How to find 3 phase power?

How to find 3 phase power?

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How is DC converted to 3-phase?

How is DC converted to 3-phase?
Answer : Converting DC (Direct Current) to 3-phase AC (Alternating Current) is done using a device called a **DC to 3-phase inverter** or **3-phase converter**. This process involves switching the DC ... . Hope this clarifies the process! Would you like more details on any part of the conversion process?...

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Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.

Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.

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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

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Calculate speed of motor when delivery maximum voltage. Also calculate the resistance to be added to achieve 3/4th of maximum torque at time of starting.

Calculate speed of motor when delivery maximum voltage. Also calculate the resistance to be added to achieve 3/4th of maximum torque at time of starting.
Answer : To calculate the speed of the motor when delivering the maximum voltage and the resistance to be added to achieve 3/4th of maximum torque at the time of starting, we need to break down the ... resistance. If you have specific values for these parameters, I can help you calculate the exact numbers....

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A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.

A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.
Answer : To calculate the all-day efficiency of the transformer, we need to consider the total energy output, the total energy input, and the losses over a 24-hour period. The transformer experiences two types of ... \] ### Final Answer: The all-day efficiency of the transformer is approximately **98.39%**....

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How many types of 3-phase motors are there?

How many types of 3-phase motors are there?
Answer : There are **mainly three types of 3-phase motors**, based on their construction and working principle. These are: --- ### **1. 3-Phase Induction Motor (Most Common)** These are the most widely used ... EVs | --- Let me know if you want diagrams or animations for better understanding!...

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in Electrical Engineering

How many volts is 3 phase?

How many volts is 3 phase?

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How many kVA is 100 amps 3-phase?

How many kVA is 100 amps 3-phase?

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How many volts is 3-phase?

How many volts is 3-phase?

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How much is 3 phase voltage?

How much is 3 phase voltage?

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How many volts is a 3-phase?

How many volts is a 3-phase?

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How many kVA is 3 phase?

How many kVA is 3 phase?

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in Electrical Engineering

How do you calculate 3 dimensional?

How do you calculate 3 dimensional?

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in Electrical Engineering

How to convert amps to kW?

How to convert amps to kW?

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How to convert kVA to kw?

How to convert kVA to kw?

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How to convert kW to kvar?

How to convert kW to kvar?

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How to convert kW to kVA?

How to convert kW to kVA?
Answer : To convert kW (kilowatts) to kVA (kilovolt-amperes), you need to know the power factor (PF) of the system. The formula to convert kW to kVA is: \[ \text{kVA} = \frac{\text{kW}}{\text{Power ... 0.8 is equivalent to 12.5 kVA. Let me know if you'd like further clarification or have more questions!...

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How to kW calculation?

How to kW calculation?

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How much kW is equal to 1 unit?

How much kW is equal to 1 unit?

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How to convert kVA to kW?

How to convert kVA to kW?

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Who invented 3 phase power?

Who invented 3 phase power?

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What is the voltage of 3 phase?

What is the voltage of 3 phase?

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Rectifier: Line commutated 1 phase and 3 phase half (semi) & fully controlled bridge converters

Rectifier: Line commutated 1 phase and 3 phase half (semi) & fully controlled bridge converters

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in Electrical Engineering

What are 3-phase induction motors used for?

What are 3-phase induction motors used for?

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What is the formula for 3-phase induction motor?

What is the formula for 3-phase induction motor?
Answer : For a 3-phase induction motor, there are a few important formulas that relate to its performance. The key formulas are as follows: ### 1. **Synchronous Speed (Ns)** The synchronous ... Watts) These formulas are fundamental for understanding and analyzing the operation of 3-phase induction motors....

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in Electrical Engineering

What is the rotor of a 3 phase motor?

What is the rotor of a 3 phase motor?
Answer : The **rotor** of a 3-phase motor is the rotating part of the motor that interacts with the magnetic field created by the stator (the stationary part). In simple terms, it's the part of the ... due to the interaction with the magnetic field created by the stator, allowing the motor to do useful work....

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What is the principle of 3-phase induction motor?

What is the principle of 3-phase induction motor?
Answer : The principle of a **3-phase induction motor** is based on the interaction between a rotating magnetic field and the current induced in the rotor. Here's a simplified explanation of how it works ... less than the synchronous speed, with the **slip** allowing the induction process to keep happening....

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What is the RPM of a 3 phase motor?

What is the RPM of a 3 phase motor?
Answer : The RPM (Revolutions Per Minute) of a 3-phase motor depends on two key factors: 1. **The number of poles in the motor**: Motors come with different numbers of poles, such as 2, 4, 6, etc ... synchronous speed is calculated using the formula above, and the actual RPM will be a bit less due to slip....

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in Electrical Engineering

Who invented the 3-phase motor?

Who invented the 3-phase motor?

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Why are transmission lines 3 phase?

Why are transmission lines 3 phase?

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What are 3-phase transmission lines?

What are 3-phase transmission lines?
Answer : A **3-phase transmission line** is a system used to transmit electrical power over long distances. It uses three conductors (wires) to carry current, with each conductor carrying a different ... power distribution. They ensure continuous power flow, which is critical for industries and power grids....

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What is the principle of 3-phase?

What is the principle of 3-phase?
Answer : The principle of **3-phase** electrical power is based on the idea of using three separate alternating currents (AC) that are all of the same frequency but **offset** from each ... flow of electrical power. This makes it ideal for industrial, commercial, and large-scale residential applications....

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Why is it called the 3-phase?

Why is it called the 3-phase?
Answer : The term "3-phase" refers to the type of electrical power system that uses three alternating currents (AC) that are offset from each other by 120 degrees. The "three" in "3-phase" ... individual waveforms or "phases" of AC power that work together to deliver stable and efficient electrical energy....

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What is the basic 3 phase electrical theory?

What is the basic 3 phase electrical theory?
Answer : The basic theory of 3-phase electrical systems revolves around the use of three separate alternating currents (AC) that are generated with the same frequency but are offset by 120 degrees ... of electrical power because they are more efficient, cost-effective, and provide constant power....

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in Electrical Engineering

What is the delta connection in 3 phase?

What is the delta connection in 3 phase?

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What is the connection of 3-phase motor star and delta?

What is the connection of 3-phase motor star and delta?

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

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

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What is the formula for 3 phase power?

What is the formula for 3 phase power?

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What is the 3 phase wiring method?

What is the 3 phase wiring method?

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What is the principle of 3 phase DC motor?

What is the principle of 3 phase DC motor?

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