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  1. cesarcesar

    OHGW - overhead ground wire on a tr

    Thank you. - use Alumoweld-Aluminum-Clad-Steel-Overhead-Ground-Wire for overhead shield wires.
  2. cesarcesar

    OHGW - overhead ground wire on a tr

    OHGW - overhead ground wire on a transmission tower: want to ask if this GROUND conductor (which is installed at the highest position of the transmission tower) should be a BARE conductor or JACKETED conductor.... I thought : IN CASE OF LIGHTNING STRIKE, the bare conductor completes the...
  3. cesarcesar

    Need Clarification On This Power Amp Circuit...

    I confirmed the IC 5534 is a high speed op amp, Product Name NE5534 Product Type Operational Amplifier (Op-Amp) Supply Voltage +/- 3V to +/- 22V I believe the circuit is INCOMPLETE.... There is no feedback. The circuit should not apply the input signal from v+ to v- (and then have the...
  4. cesarcesar

    Hello ; We have a three phase soli

    Hello again, let me offer a link for comparison http://www.automatic-voltage-stabilizers.de/ it shows that typical regulation is 10 % to 25 % On a previous email, I indicated that it is important to measure / characterize each transformer when you apply vin, and measure vout (and regulation)...
  5. cesarcesar

    Hello ; We have a three phase soli

    Hello Jorge, this is Cesar I read your description of the Delta(3-phase input) and (Star or Y output) voltage stabilizer. Here is something to think about. Load current and voltage regulation are measured at the LOAD. That means that (even though this application is AC), (on a phase) you...
  6. cesarcesar

    Transistor relay driver

    Here is what I found about the 2N3906 and 2N3904 2N3904 SI-N 60V 0.2A .35W 300MHz | 2N3906 SI-P 40V 0.2A .35W 250MHz and here is an approach for the relay driver : Start at the output, to determine what is required to activate the relay. The relay "behaves&quot...

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