Abra AK-10 User Manual Download

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AC/DC Power Supply Kit

DC: 0 - 18 VDC, 1A

AC: AC: 18 VAC, 1A

www.abra-electronics.com
[email protected]

U.S Toll Free: 1-800-717-2272

Can. Toll Free: 1-800-361-5237

• 18 Volts AC output and a Variable 18 volts DC output

• Up to 1 Amp in current output

• Simple component placement guide

•

On -Off switch to save power when not in use

•

Detailed theory on Power electronics

AK-10

Summary of Contents for AK-10

Page 1: ...s abra electronics com U S Toll Free 1 800 717 2272 Can Toll Free 1 800 361 5237 18 Volts AC output and a Variable 18 volts DC output Up to 1 Amp in current output Simple component placement guide On...

Page 2: ...oblueshooting FAQs 12 13 VIII About Us 14 Designed by Thushanth Sithambararajan Rev 1 0 1 Parts list 2x 220 F Capacitor C2 C3 2200 F Capacitor C1 DPDT Switch On On 2x 2 pin Terminal Block AC DC T0 220...

Page 3: ...ndoffs 18 volts sine wave 18 volts adjustable DC PC mount potentiometer with fine precsion adjustment Included heatsink Specs Tools Required Pencil type soldering iron Solder 60 tin 40 lead recommende...

Page 4: ...em into the place marker where they belong 3 Insert Components and bend the pins slighty to hold into place when soldering 4 Solder the pin with the soldering iron for tips on how to solder please rea...

Page 5: ...d the two blue wires to the outside connections 10 Place on the LM317 the heat sink clip 11 Solder the terminal connection blocks and flick the switch to off position pointing downwards in reference t...

Page 6: ...r degrees but they often come back to where they started For example the figure below the voltage offset is 0 volts The sine wave starts at 0 volts and will end at 0v the length of this period is 2 or...

Page 7: ...imple matter of plotting it away from the origin by 90 as its starting point However if the period is 2 or 6 it can get messy quick ly by not knowing where to end A simple way to get over this is to c...

Page 8: ...mathematically to find the midpoint of the AC voltage or current that is being provided during time lapse of the period The difference between RMS and Average is with the fact that RMS is the instanta...

Page 9: ...lculate the Power of a device using the North American single phase power is calculated in terms of Watts Power Volt Current kW actual load power kVA apparent load power A Centered tapped transformer...

Page 10: ...ormer parallel connection more current less voltage Dual input transformer parallel connection Very versatile for 110v or 220v application one transformer Dual input transformer series connection Dual...

Page 11: ...e or half wave Full wave rectifiers Full wave rectifiers convert the entire waveform into one constant polarity at the output in essence they convert the AC to a DC wave In some sense a half wave rect...

Page 12: ...current will adjust to meet the output required If you are scratching your head trying to understand how this is done recall ohm s law V I R Increase the current and keep the same resistance voltage g...

Page 13: ...n power dissipation will explain the reason for overheating A temporary solution is to place a heat sink on the LM317 IC I have no voltage output Please check if the solder contacts were soldered prop...

Page 14: ...lease read the Capacitor subsection in the theory chapter Where can I mount this ThesideholesallowyoutomountthepowersupplywithABRAstandoffswhereeveryouplease alternatively you may purchase a plastic p...

Page 15: ...ts all with affordable pricing Feel Free to call us on our toll free numbers indicated below You will be greeted with our knowledgeable and courteous staff members You are also free to visit our websi...

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