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What is 2.5 kW mean?

in Electrical Engineering

What is 2.5 kW mean?

1 Answer

When you see "2.5 kW," it means **2.5 kilowatts**. Here's a simple breakdown:

- **kW** stands for **kilowatt**, which is a unit of power.
- 1 kilowatt (kW) = 1,000 watts (W).

So, 2.5 kW = 2,500 watts.

Power is the rate at which energy is used or produced. If you have an appliance or machine that is rated at 2.5 kW, it means the appliance uses 2.5 kilowatts of power every hour it's running. For example, if you run a 2.5 kW heater for one hour, it will consume 2.5 kWh (kilowatt-hours) of energy.

Is this helping clear things up? Let me know if you need more details!

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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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