Latest threads in ⏚ Electrical Engineeringshow only best voted threads
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Itron Digital Power Model CL200 Meter Failure
I have Progress Energy here in Florida. About a year ago they installed a new digital power meter made by Itron (model CL200 *1647852*) which is read remotely via RF. We have been getting screwy bills...
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15 years ago
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16 bit division ALP for 8085 microprocesor
I have been trying this for more than a month. Can anybody give me the coding for this.? Thanks in
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15 years ago
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switching power supply
Just wondering what is the big difference between switching power supplies and regular power supplies. The application is driving high brightness LED's and these need high current and are pulse width...
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15 years ago
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Location of phone wall sockets
I am moving the telephone wall socket in my study because I'm often checking out some extra phone device and need better access than a single socket at floor level. A simple extension lead may not...
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15 years ago
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Submersible pump surprise
I had a failure of a small submersible pump used for hydroponic nutrient solution. To my surprise, the hot to neutral resistance was about eight megohms. I decided to investigate further. The impeller...
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15 years ago
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Help with technical data on General Electric K81PEX100 fuse link ( 401860 )
Hi, Does anyone have any technical data relating to GE striker fuses type K81PEX100 fuse link ( 401860 ) rupture times. Graphical representation showing times against current would be helpful. Regards...
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15 years ago
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Twisted pair cabling
Hey, I'm trying to decide on the best cabling standard to use to carry an LVDS signal over ~1m. The signal in question is a square pulse, however it is not digital, as the pulse width carries the...
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15 years ago
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how this happen?
Let's say ai live in a city where there are 4 electric providers. In January, i switch to the provider A. in February, still at the same house, i switch to provider B. In April to provider D. My...
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15 years ago
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request
hi to all ! i'm deeply interested in plc simulation free softwarer . so please send these free software to me. thanks so much to everybody.
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15 years ago
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protective relaying and instrument transformers...
Hi to all, I am deeply interested in and dealing with protective relaying subject on MV and HV systems. I am using some reference books on the subject which covers a wide range of contents and, my...
2
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15 years ago
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Deep-cycle lead-acid battery charging
Hi, everyone, I have a virtually unused (7 months old) Marine/RV battery that I use as the supply to a very infreqently used DC to AC inverter (12 VDC to 120 VAC) Thus, it sits permanently charged...
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15 years ago
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KVAR Cable Loss
I need some help understanding KVAR cable loss. I am reviewing some calculations for a large wind farm project. One of the calculations is total kvar loss over the cables at different power outputs...
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15 years ago
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PAT testing & mains adaptors
Hi all, For mains adaptors with LV DC outputs, is a visual/operation inspection all that is needed to satisfy PAT testing requirements? Thanks
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15 years ago
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Need help in the development and use JMCAD
Need help in the development and use JMCAD Information JMCAD is an program for the modeling and simulation of complex dynamic systems. This includes the ability to construct and simulate block...
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15 years ago
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Ferrite on audio leads passing near PC?
At home, I often use some screened audio leads which carry speech signals at about 100 to 200 mV. The leads may carry one or two signals (mono or stereo) and may be about 1m or 2m long. They are not...
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15 years ago
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