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How do you test for fluctuating line voltage in the electrical supply to a motor?

This depends on whether the voltage is AC or DC but an oscilloscope is the tool of choice for seeing voltages and how they change with time.


Why does one line of 3 phase 480v show 0 volts and the other 2 have 480?

My first thought is this is probably a corner grounded delta system, but I'm confused by your voltages. If this was a 460v (L-L voltage) ungrounded or corner grounded system, the phase to ground voltage is meaningless, but the phase to phas voltage will be 460v all around the delta. If you have a 460v system and you're only seeing 230v, there's something wrong.


What is the max dc voltagee to be obtained from a transformer with an 18 v rms secondary using a bridge rectifier ckt with a filter?

About 24 volts. Take 18 and divide by 0.707, then subtract about 1.4 to compensate for the two diodes that will always be in series with the load. Of course, any load will cause ripple, so the 24 volts is with nearly no load.


What device to find out a defective light bulb in a series circuit?

To find a faulty bulb in a series circuit, measure the voltage drop across each bulb. The bulb with the highest voltage, specifically the source voltage, is the one that is open.In the opposite case, when the faulty bulb is shorted, it will have zero volts, while the others have slightly higher than normal voltage.In the case of series connected Christmas Tree lights, it is a bit complicated because it is hard to measure voltage while the bulb is plugged in.You could plug each bulb, one at a time, into a working string, or you could measure the resistance of each bulb, looking for infinity. Note, however, that modern series connected Christmas Tree lights are designed to short out when they fail, so it is a simple matter of seeing which one is not lit. (If too many bulbs, however, are shorted, the string will pull excessive current and either all bulbs will fail or the string fuse will blow.)


Html help why does most of my HTML code not work?

Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.Without seeing your page and other elements of your website, it would be impossible to identify what the problems are.

Related Questions

Why when I Check ohms from ground to both 220v legs do I get a reading of 18 to 21?

With the power off? If you are looking at transformer terminals on an unpowered unit you would be seeing the coil resistance. You should not use your meter in the ohms setting with voltage present. It wasn't designed for that. Measure voltage from ground on a 220vac transformer and get 110 vac. on each side.


How do you test for fluctuating line voltage in the electrical supply to a motor?

This depends on whether the voltage is AC or DC but an oscilloscope is the tool of choice for seeing voltages and how they change with time.


Where do I go to get my transmission fluid changed?

If you are seeing signs that your transmission needs to be changed. Then you can go to any local garages to have them change it for you. But, it could be a number of any problems.


Is there a way to find out the size of your friend's penis without asking him?

Apart from seeing him with an erection and measure it? No.


Find the measure of angle s if these triangles are similar?

We can't even begin to do that without seeing the picture.


Engine coolant temperature sensor 1999 Jeep Grand Cherokee voltage too high what does that mean p0118?

The computer is not seeing a voltage drop across the coolant sensor. You could have a bad sensor, broken wiring, or a bad computer.


If angle a has a measure of 33 degrees and angle b has a measure of 57 degrees then the two angles are?

The two angles are complementary, seeing as they add up to equal 90 degrees.


Why is voltage indicated on your Smart Meter?

Voltage is indicated on certain brands of electronic electricity meters, "smart" or otherwise. With an electronic meter and digital display, it is a simple matter to implement and it gives utility service personnel confirmation that the meter is installed properly and is seeing the correct voltage across the line side lugs at installation time.


How do you find the volume of a steel bolt?

Measure it in a graduated cylinder by seeing how much water it displaces.


Why is the battery light on in my 04 Honda CR-V?

Most likely low voltage from the alternator. A good way to check this is to measure the voltage between the battery terminals when the car is running. You should be seeing roughly 14.5v, and 12.6v when the car is off and the battery is fully charged. Significantly less than 14.5v means that the alternator is either not spinning fast enough (could be due to a worn Spragg bearing, if equipped), or (more likely) a bad diode which leads to not all of the power being transformed to DC. The way to check this, for the fearless, is to put your DVOM in AC voltage mode and check for AC voltage between the charging wire coming off the alternator and the grounded body of the alternator. Any AC voltage means that you have a bad diode and will probably need to get your alternator rebuilt.


How do you read a tape measure in 100ths of a foot?

Unless you happen to come across a measure that gives 1/12 of an inch, te answer is that you cannot. Tape measures do measure in 1/8, 1/10 and 1/16 inches but I do not recall seeing any that measure in 1/12 inch.You could, of course, measure 12 identical items to a accuracy of an inch and divide the total length (expressed in feet) by 100.Unless you happen to come across a measure that gives 1/12 of an inch, te answer is that you cannot. Tape measures do measure in 1/8, 1/10 and 1/16 inches but I do not recall seeing any that measure in 1/12 inch.You could, of course, measure 12 identical items to a accuracy of an inch and divide the total length (expressed in feet) by 100.Unless you happen to come across a measure that gives 1/12 of an inch, te answer is that you cannot. Tape measures do measure in 1/8, 1/10 and 1/16 inches but I do not recall seeing any that measure in 1/12 inch.You could, of course, measure 12 identical items to a accuracy of an inch and divide the total length (expressed in feet) by 100.Unless you happen to come across a measure that gives 1/12 of an inch, te answer is that you cannot. Tape measures do measure in 1/8, 1/10 and 1/16 inches but I do not recall seeing any that measure in 1/12 inch.You could, of course, measure 12 identical items to a accuracy of an inch and divide the total length (expressed in feet) by 100.


Does the 2000 gmc 4.3 vortec have 2 oil drain plugs?

Not in my experience. The second one your seeing could be the transmission oil pan drain plug.