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  1. K

    What does AT and AF of MCCB mean?

    Hi all, In some schem. of electrical circuit. what are the maening of AT and AF? (AT: Ampere Temperture; AF: Ampere Fuse). Thanh in advance.
  2. K

    Transformer in parallel? (urgent)

    Can i connect 2 transformer (24kV/.4kV - 2000kVA) to one busway of LVSG. thank in advance.
  3. K

    How about this single line diagram?

    Hi all, How about this? (attached file)
  4. K

    Standard for Cubicle form of LV/MV switchboard?

    Hi, Can anyboby share this information? Thanks in advance.
  5. K

    power distribution control

    distribution control Hi all, Did anyone do this and can share the information for this matters? Thanks in advance.
  6. K

    Distance for drycontact signal ?

    maximum distance for dc signal Are there any document for the distance of dry contact signals? As refering to Siemens PLC catalogue, maximum distance of digital input and output are 1000m ( for shielded cable) 600m ( for unshielded cable). but any information for relay (24VDC) could not be...
  7. K

    LED brightness Calculation ?

    led brightness calculation How to calculate the brightness of message board to satisfy some standard for the traffic light ? ( Scaniing the row and colume will be used) Thanks in advance.
  8. K

    Factory acceptance test procedure ???

    Can anyone share the FAT procedure for CCTV, Traffic detection, Traffic information, Emergency telephone, PA and Radio rebroadcast system? Thank and good luck,
  9. K

    Need help on AVR or PIC.

    Where can i find somthing like Paumon source (for 8051) for AVR or PIC 9 (code and schematic). I am newbie for this MC. Thanks and best regards.
  10. K

    Detect LED died in LED Mesaage Display?

    Help me, How to do it?
  11. K

    How to check if and how fast is a packet going through LAN?

    How to know ? Please help me, i want to know: 1. the data packet go through the LAN 1. calculate the time for data go through the LAN, the respone time
  12. K

    Does the reactor starter method has any advantages?

    reactor starter? this motor starter methode have any dis./advanttage?
  13. K

    Help me with an IP phone design

    IP phone This phone will use in tunnel under driver. and it will connect to SCADA. Has anyone experience?
  14. K

    tunnel emergency telephone ??

    anyone know this? it wil interface with SCADA system.
  15. K

    Looking for condolfa or reactor starter !

    condolfa starter ? please help me? (or reactor starter)
  16. K

    Looking for information on the coldolfa/reactor starter

    motor starter ? Hi all can anyone tell me about the coldolfa/reactor starter "?
  17. K

    How to detect signal on telephone line using microcontroller?

    How can i detect signal on telephone line ( use for both pulse and tone dial) use MCU ? May anyone give idea to me ? and diagram, tutorial, ...?
  18. K

    Operation principle of a welding machine

    does anyone know operational of its? and tig, mig, ...
  19. K

    Looking for a free scada tool for Delphi

    i found a link that has free scada tool for delphi and now i lost it. anyone know it?

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