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Forum: Power Electronics

Power sources/convertion, Switching power supplies, Renewable energy, PLCs. Discussions relating to the design and implementation of alternative energies.

  1. Sticky Thread Sticky: READ BEFORE YOU POST - do not post e-books, ieee papers here

    Started by pranam77, 29th August 2009 08:21
    • Replies: 0
    • Views: 25,310
    pranam77
    29th August 2009, 08:21 Go to last post

  1. Question on Speed Control vs Torque Control

    Started by Xavier Pacheco Paulino, 10th November 2018 23:44
    1 Attachment(s)
    • Replies: 10
    • Views: 319
    schmitt trigger
    Today, 15:56 Go to last post

  2. Little blue radial Y capacitors for offline power supplies

    Started by treez, Yesterday 15:56
    • Replies: 1
    • Views: 93
    FvM
    Yesterday, 16:34 Go to last post

  3. Optocoupler with LIVE wire

    Started by venkates2218, 10th October 2018 15:21
    5 Attachment(s)
    • Replies: 9
    • Views: 461
    treez
    10th November 2018, 23:42 Go to last post

  4. Maximum power point in solar converter

    Started by treez, 14th July 2018 22:13
    • Replies: 15
    • Views: 931
    SunnySkyguy
    9th November 2018, 07:26 Go to last post

  5. Fuse Amperage Determination Circuit

    Started by abuhafss, 8th November 2018 07:42
    • Replies: 11
    • Views: 293
    d123
    8th November 2018, 22:44 Go to last post

  6. 60W Offline Flyback LED driver fails Conducted and Radiated EMC

    Started by treez, 25th August 2018 12:10
    7 Attachment(s)
    • Replies: 5
    • Views: 409
    treez
    8th November 2018, 21:50 Go to last post

  7. Common mode noise suppression and transformer

    Started by doncarlosalbatros, 7th November 2018 03:59
    • Replies: 4
    • Views: 212
    Akanimo
    7th November 2018, 06:03 Go to last post

  8. 3 Watt inrush resistor will eventually fail?

    Started by treez, 31st October 2018 21:55
    1 Attachment(s)
    • Replies: 6
    • Views: 348
    Relayer
    4th November 2018, 21:42 Go to last post

  9. Arcing between drain/source/gate pads of TO220 FET in Offline Flyback SMPS?

    Started by treez, 3rd November 2018 09:57
    2 Attachment(s)
    • Replies: 8
    • Views: 331
    treez
    4th November 2018, 11:31 Go to last post

  10. Modifying a 60W offline SMPS PCB to achieve a pass in conducted EMC

    Started by treez, 3rd November 2018 19:30
    2 Attachment(s)
    • Replies: 2
    • Views: 169
    treez
    4th November 2018, 09:54 Go to last post

  11. PC817 circuit not working with relay

    Started by venkates2218, 29th October 2018 08:40
    3 Attachment(s)
    • Replies: 12
    • Views: 433
    treez
    3rd November 2018, 19:46 Go to last post

  12. Buck Converter for 96V to 60V

    Started by tej7499, 2nd November 2018 15:12
    1 Attachment(s)
    • Replies: 5
    • Views: 224
    KlausST
    3rd November 2018, 17:03 Go to last post

  13. How to make +/- 20V Dual Power Supply from a 64V 360mA LPS D.C Signal

    Started by z7d8tsg, 26th October 2018 21:45
    1 Attachment(s)
    • Replies: 5
    • Views: 347
    KlausST
    3rd November 2018, 01:15 Go to last post

  14. H-bridge Mosfet protection

    Started by Em_13, 24th October 2018 12:10
    5 Attachment(s)
    • Replies: 16
    • Views: 617
    c_mitra
    2nd November 2018, 17:29 Go to last post

  15. Switching Power Supply Tutorial: 4V～16V

    Started by Kynix, 30th October 2018 11:14
    • Replies: 2
    • Views: 337
    treez
    1st November 2018, 20:41 Go to last post

  16. TO220 heatsink is way too small for 60W Offline Flyback?

    Started by treez, 31st October 2018 22:02
    • Replies: 8
    • Views: 292
    FvM
    1st November 2018, 09:35 Go to last post

  17. Power factor correction at low powers with L6564 chip

    Started by treez, 30th October 2018 07:28
    • Replies: 0
    • Views: 110
    treez
    30th October 2018, 07:28 Go to last post

  18. SZBK07 300W 20A Buck converter

    Started by wogoos, 26th October 2018 07:15
    2 Attachment(s)
    • Replies: 17
    • Views: 612
    wogoos
    30th October 2018, 01:04 Go to last post

  19. Offline BCM flyback using L6564....Bias coil only drives the ZCD pin resistor.

    Started by treez, 29th October 2018 21:01
    • Replies: 0
    • Views: 103
    treez
    29th October 2018, 21:01 Go to last post

  20. SMPS transformer air gap

    Started by peterthegrate, 18th October 2018 10:56
    • Replies: 9
    • Views: 526
    schmitt trigger
    29th October 2018, 03:39 Go to last post

  21. Tying the output of an isolated offline PSU to a voltage..(stopping it floating)

    Started by treez, 28th October 2018 17:38
    • Replies: 3
    • Views: 193
    FvM
    28th October 2018, 23:21 Go to last post

  22. Y2 capacitors downstream of common mode choke in offline SMPS

    Started by treez, 29th July 2018 16:02
    1 Attachment(s)
    • Replies: 8
    • Views: 691
    treez
    28th October 2018, 16:47 Go to last post

  23. ignition transformer output voltage measurement

    Started by hamidmoallemi, 25th October 2018 11:13
    1 Attachment(s)
    • Replies: 4
    • Views: 218
    hamidmoallemi
    28th October 2018, 06:22 Go to last post

  24. What does the transistor do in the attached circuit?

    Started by HasHx, 21st October 2018 23:46
    4 Attachment(s)
    • Replies: 15
    • Views: 641
    Audioguru
    24th October 2018, 18:30 Go to last post

  25. Crydom solid state relays

    Started by buffalonymann, 23rd October 2018 20:17
    • Replies: 4
    • Views: 185
    KlausST
    24th October 2018, 12:32 Go to last post

  26. SPWM converter mosfet failure

    Started by Dimitrisvlamis, 3rd August 2018 07:16
    3 Pages •
    1 2 3
    13 Attachment(s)
    • Replies: 51
    • Views: 2,125
    joneson
    22nd October 2018, 18:34 Go to last post

  27. 12v 5v 2a dual power supply

    Started by AshleeMakaya, 17th October 2018 23:49
    1 Attachment(s)
    • Replies: 9
    • Views: 519
    Akshaay
    21st October 2018, 11:19 Go to last post

  28. Need help stabilizing a switching regulator

    Started by Plecto, 20th October 2018 09:11
    2 Attachment(s)
    • Replies: 5
    • Views: 258
    treez
    21st October 2018, 09:18 Go to last post

  29. Thermocouple must be mounted to heatsink with glue blob?

    Started by treez, 20th October 2018 15:31
    1 Attachment(s)
    • Replies: 2
    • Views: 220
    KlausST
    20th October 2018, 20:36 Go to last post

  30. Ac motor speed control

    Started by venkates2218, 21st August 2018 12:47
    2 Attachment(s)
    • Replies: 14
    • Views: 902
    c_mitra
    20th October 2018, 19:34 Go to last post
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