Power Factor Circuit Design & Analysis - Rawang Terrace House

In summary, the conversation is about an electrical engineer's task to design a power factor circuit for a terrace house with low power factor. The goal is to improve the power factor to 0.98 and verify the design using a simulation program. The engineer is advised to do research and use resources such as online articles and pdf documents to assist with the project.
  • #1
APEX25
3
0
PLEASE HELP ME, GOOD ENGINEER :D

Problem Scenario

As an electrical engineer in Rawang Power Electrical Consultant Company, your boss assigned your group to design a power factor circuit to improve the low power factor in one terrace house in Taman Maju Jaya, Rawang. The terrace house received a power supply 240V, 50Hz from TNB. The loads in that house consist of :



Device , Units ,Active Power ,Power factor
Florescent Lights ,10 ,40W each , 0.5
Air-conditioning ,4 ,750W each , 0.7
CFL Lights ,7 25W each , 0.6


Your group needs to produce the best proposal on designing a power factor circuit to improve the power factor to 0.98 and verify your design with appropriate simulation program.
Compare the current, power factor, apparent power, reactive power and active power consumed before and after the power factor correction exercise.
Write a brief proposal contains the design and findings.

the problem is where should i start first, how to calculate total power factor and correct it to 0.98?
 
Engineering news on Phys.org
  • #2
APEX25, Welcome to Physics Forums!

Is this homework? If yes, then you should re-post it in the homework forum. Please be sure to read all the rules there. No one here will do your work for you. We will, however, direct you towards solutions that you can learn from.

Using the search terms “design a power factor circuit diagram” on Google these appear:
http://www.allaboutcircuits.com/vol_2/chpt_11/4.html
http://electronicdesign.com/article/engineering-essentials/reconciling_power_factor_correction_standards_leads_to_solutions

Also, many pdf documents appear that probably will be useful for your project. Once you have done the research if you have some specific difficulty or question, come back here and post it. Members are always willing to assist anyone trying to learn.

Cheers,
Bobbywhy
 

Related to Power Factor Circuit Design & Analysis - Rawang Terrace House

1. What is power factor in a circuit design and why is it important?

The power factor in a circuit design is the ratio of the true power to the apparent power, expressed as a decimal or percentage. It is important because it measures the efficiency of the circuit in delivering power to the load. A low power factor can result in higher energy consumption and utility costs.

2. How do you calculate power factor in a circuit?

Power factor can be calculated by dividing the true power (in watts) by the apparent power (in volt-amperes). The resulting value will be between 0 and 1, or 0% and 100%, depending on how the circuit is designed and how much power is being used.

3. What are some common methods for improving power factor in a circuit design?

One method is to use power factor correction capacitors, which can be added to the circuit to help balance the reactive power and improve the power factor. Another method is to design the circuit with components that have a higher power factor, such as using energy-efficient motors or LED lights.

4. Can power factor affect the overall efficiency of a circuit?

Yes, power factor can significantly impact the overall efficiency of a circuit. A low power factor can result in higher energy consumption and wasted power, which can lead to higher utility costs. Improving the power factor can increase the overall efficiency and reduce costs in the long run.

5. Are there any regulations or standards for power factor in circuit design?

In some countries, there are regulations and standards for power factor that must be met in order to ensure efficient energy usage. For example, in the United States, the Energy Policy Act of 1992 requires commercial and industrial facilities to maintain a power factor of at least 0.9. It is important to research and comply with any applicable regulations and standards when designing a power factor circuit.

Similar threads

Engineering Power Factor Circuit Design for Taman Maju Jaya, Rawang
    • Engineering and Comp Sci Homework Help
Replies
4
Views
2K

Hot Threads

Recent Insights

Back
Top