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  • Users: eryp
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  1. eryp

    T1 Line Communication Rate adequate for Differential Protection

    You would have to measure the latency in the network. I have a similar circuit using a combination of T1 and fiber across 2 networks. However, this is not being used for differential protection. The latency on this circuit is less than 5ms or 0.3 cycles. I'm not a transmission engineer but I...
  2. eryp

    TDS or TSS?

    Update/Closeout of the project: Thanks to all for your help. The project now sits in the owners hands. After inital programming and commissioning, the owner has the documentation to adjust the turbidimeter's trip setpoint as he wishes. The incoming water ranged from 10-20 NTU so the decision...
  3. eryp

    TDS or TSS?

    The problem with monitoring river flow is that the solids are a result of irrigation upstream of the water source. The irrigation is a small portion of the stream flow but can cause a wide swing in the solids content. Also the water source is a combination of well and surface waters.
  4. eryp

    TDS or TSS?

    Thank you all for your ideas on this project. The basic reason for diversion is that the fish health is adversely affected when the TSS rises. Also, it has become a great expense for the fishery to remove the settled solids from their ponds after large amount of solids settle out. I have...
  5. eryp

    TDS or TSS?

    I have a project where I will be diverting water from an aquaculture system when the solids content reaches a certain level. I am struggling with the decision to use TDS or TSS for the decision point in triggering the diversion. Testing of the influent water shows a normal concentration of...
  6. eryp

    telecomm wiring next to high voltage

    as dpc said, shielding of the cables is a good idea as well as the steel conduit. Speaking from experience, in a mixed use (residential and light retail) development project here, the electric, cable tv, and phone cables were all placed in the same trench. Our specifications stated that the...
  7. eryp

    telecomm wiring next to high voltage

    At the local utility where I work it is sometimes necessary for the telephone and data companies to run their facilities in the same trench as our 15kv power cables. I have not heard of any problems with 60hz interference from our power system. Cat-6 cables have twisted pairs specifically for...

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