Facts By Svc (Flexible Ac Transmission)

Model: 243

Solderable DIY project kit for Engineering & Diploma students Worldwide

Do-It-Yourself Kit :

Includes complete hardware comprising of discrete components, modules, PCB, controller etc. and tested program code for building the project. Extensive documentation for project execution including step-by-step instructions for Circuit building, Assembly procedure and Troubleshooting. (Tool kit-Multimeter, Soldering iron and program burner not included in the kit)

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The objective of this project is to improve power factor of transmission lines using SVC (Static Variable Compensator). Static VAR Compensation under FACTS uses TSC (Thyristor Switched Capacitors) based on shunt compensation duly controlled from a programmed microcontroller.

Prior to the implementation of SVC, power factor compensation was done by large rotating machines such as synchronous condenser or switched capacitor banks. These were inefficient and because of large rotating parts they got damaged quickly.

This proposed system demonstrates power factor compensation using thyristor switched capacitors.

Shunt capacitive compensation – This method is used to improve the power factor. Whenever an inductive load is connected to the transmission line, power factor lags because of lagging load current. To compensate for this, a shunt capacitor is connected which draws current leading the source voltage. The net result is improvement in power factor.

The time lag between the zero voltage pulse and zero current pulse duly generated by suitable operational amplifier circuits in comparator mode are fed to two interrupt pins of the 8 bit microcontroller of 8051 family. Thereafter program takes over to actuate appropriate number of opto-isolators duly interfaced to back to back SCRs. This results in bringing shunt capacitors into the load circuit to get the power factor till it reaches unity.

Further the project can be enhanced to thyristor controlled triggering for precise PF correction instead of thyristor switching in steps.


Easy to use, Self-explanatory kit.

All-inclusive solution kit.

Extensive audio-visuals available.

Branding-free material.

Pre-programmed Microcontroller.

Thyristor based APFC.

Call/mail for Tech Support from 10 am – 7 pm.

Can be Customized for Arduino, Raspberry Pi, PIC


Hardware Requirements

  • 8051 series Microcontroller
  • Op-amps
  • LCD
  • Shunt capacitors
  • SCR
  • opto-isolator
  • Current Transformer
  • Inductor
  • Crystal
  • Slide Switches
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Lamp

Software Requirements

  • Keil compiler
  • Language: Embedded C or Assembly

Q & A

Buyer Feedback

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  1. Rated out of 5

    Genesis Faundez

    Well it has all of the tools that was beautifully packed & what we need with all... The information is provided along with the kit. It is a very good product to study & my boss is very happy with the service.

  2. Rated 4 out of 5

    Pradeep joshi

    I came to know edgefx by typing my project title in google, there I saw your website was on the top. I was impressed by seeing your website. I like the support you provide. Actually there is nothing to suggest you. You are awesome at now. And Mr.Ifteqhar helped me purchasing the project and also the kit was delivered in time with right components. I’ll suggest to all my juniors, cousins.

  3. Rated 5 out of 5

    Pranav Jaguri

    I got to know about edgefx through google.. I was searching my project title in google then i got edgefx site, then i have directly visited the website. I have decided to buy project from edgefx because i found my project title in edgefx website that is why i have purchased project from edgefx. I like most about edgefx kit is kit presentation. the kit was delivered in time with right with right components. tarun sir has helped me in purchasing the project. i want to give reference to my juniors.

  4. Rated 5 out of 5


    I searched for the words like FACTS By SVC (Flexible AC Transmission) in Edgefx Kits web site I found my project Title so decided to buy that project from Edgefx. I like the project report provided along with the kit.

  5. Rated 4 out of 5


    I came to know about Edgefx through my classmate.I like the Report and PPT’s provided along with the kit.Yes the kit delivered on time with right components.Yes the kit delivered on time with right components.Yes I called to Edgefx Toll free then Mr. Mohan suggested me Do It Yourself Kit and placed an order Behalf of me.No Suggestions required.