Latest threads in ⏚ Electrical Engineeringshow only best voted threads
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Surge protection for 4-20mA sensors and data logger?
Hi all! For my grandpa's country I am going to install tens of 4-20mA sensors, which will be routed through some hundreds meters of good cable to the data logger, at the border of the house. To give...
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17 years ago
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3 phase motor compensation capacitors
I have a 5.5kW 400v 3 phase AC motor. Can anyone help with the calculation to work out the size of the compensation capacitors. TVMIA.
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17 years ago
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Repairing mylar cable?
Cable was damaged by melting several (6) traces worth of conductors. It's part of an expensive controller assembly for which no individual replacement parts such as this are available. Terminated end...
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17 years ago
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15 | |
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Philips PM3262 failure info
I picked up a Philips PM3262 Oscope at my town's recycling center. it looks like it has been well used. I plugged it in and turned it on. It worked normally for about 2 minutes and then shut down. The...
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17 years ago
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Power Requirements for New Gas Range
We are contemplating a new gas range for the kitchen to replace an aging, somewhat asthmatic electric range in use now. The one we want requires "15A 120V service on a a dedicated breaker." The...
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17 years ago
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resolution bandwidth
I was just wondering why changing the resolution bandwidth on a number of measurement instruments can change the level of the noise floor.
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17 years ago
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Wanted: power on/off recorder
Since I'm not an engineer, I wonder if someone can tell me what to buy to record the transition of a 110vac circuit from on to off and vice versa several times a day over a period as long as is...
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17 years ago
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Frequency Converter
Is there a device that can convert household electric from a 60 to 50Hz or vice versa? I want to be able to use my power tools that are rated at 60Hz in Africa where the power is 50Hz.
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17 years ago
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120V Dryer @ 60Hz
How can I make a Clothes Dryer rated 120 volts 60Hz work in a country with 240 volts 50Hz. Will Electric range and other tools like rotary saw and hammer drill also work?
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17 years ago
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4-20mA Application: need some advice, please
Hi all, I need to monitor six 4-20mA sensors at once, with a resolution of 16 bits. It is half a hobby project and half a favour to my grandfather, although I'd also like to put it in my curriculum...
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17 years ago
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generator
I was just wondering if there is a difference between a CW generator and a frequency generator. Thank you.
1
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17 years ago
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rate of change in a capacitor
I'm trying to understand something. current in a capactior is given by: i= C dV/dt if you take the deriv. of d/dt you get: i= C * (V / 1) is this correct? So if I have a 1mF capactior and 100 volts...
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17 years ago
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west coast electronics engineering schools
I am currently a student in ITT Techs Communications Electronics Engineering Technology progam and it seems to be good
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17 years ago
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expensive electronics equipment
I was just wondering what most companies do if an employee accidentally breaks an expensive piece of electronics equipment. Thank you.
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17 years ago
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Cables
I need some help with cables and what everything means. Like is RW-90 specific to teck cable. How are BX cables rated - like what does AC-90. What size gournding conductor comes in a two #10conductor...
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17 years ago
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