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  1. D

    Voltage Flucuating /Stablizer

    Would a voltage stabilizer be able to keep the voltage at 230V at all the time? Don't know why a UPS would work better than a voltage stabiliser?
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    Voltage Flucuating /Stablizer

    I have built an air flow bench using vacuum cleaner motors and there is a voltage fluctuation from the wall of around +-4 volts. This is causing the readings on the manometer to be erratic and is defeating the object of the project. Is it possible to stabilize the voltage to accurace of 99.5%...
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    Deep fat fryer causing electric to trip

    Stored in parents kitchen for a year. Then from there taken into my kitchen. My mum said she used it once or twice but then went back to gas frying.
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    Deep fat fryer causing electric to trip

    I have a Tefal 1000 deep fat fryer. It is the first time I have used it. Was given as new a few years ago. I used the same outlet as I use for the kettle 2200w and a microwave 700w. The Tefal was on for around 30 seconds and it tripped the RCD in the house electric. Kettle works fine and also...
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    12V DC adaptor showing 19V

    Yeah you right. DC 12v-24v . Checked in manual. Thanks for your help.
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    12V DC adaptor showing 19V

    That's right mate. With the servo controller I have a feeling it's only drawing 20-50ma. If so then the voltage it'ssucking could be 17V-18V when the controller is switched on.
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    12V DC adaptor showing 19V

    To save all this messing ,should have just though about itabit more and get a regulated one. steady 12v. Nothing to worry about.
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    12V DC adaptor showing 19V

    It's a philip dc adaptor 12V200ma. It measured 19V under no load. I then connected it to a servo controller which required a 12V DC power source to open up a resistor which allows the servo to be enabled. So I powered the servo controller up and I measured the voltage of the philips DC adaptor...
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    12V DC adaptor showing 19V

    I was checking polarity using multimeter on some 12v DC adaptors I have. Doing this showed me the voltage. Here on my readings: 12V DC 200ma = 19V 12V DC 500ma = 16V 12V DC 1000ma = 14V Question 1): Why are they not showing 12V? Is this because all happen to be unregulated? Question 2): Why...
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    Magnetic Contactor Over/Under Voltage

    What voltage should be used in the UK for a magnetic contactor? 240V, 230V or 220V I know over voltage and under voltage can lead to the coils being burnt out over time. From the wall I am drawing in around 235V but when being used it drops around 225V-230V. Is it still wise to buy the 240V...
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    EMI/RFI Noise filter

    Noise filter will be in between wall 240V and device. If the device is rated at 10AMPS then what AMP noise filter is required? Is it 20% above device rating? regards.
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    single phase into 3phase trip switches/contactors etc

    I'm not breaking no law rob. it is for my self. I had wired it up and it all works. Just thought it might be good to put circuit breaker in thats all. I'll go back to manufacturer for help. thanks anyway.
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    single phase into 3phase trip switches/contactors etc

    The earth wire from wall actually goes into the driver. But all the Circuit breakers are designed for three phase. The two pole breakers I have seen. Do I put Live and Neatural through them? I will enclose everything eventually in a panel.
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    single phase into 3phase trip switches/contactors etc

    Yes. the diagram I showed was a units that can accept 220v three phase or single phase. I am using single phase. L, n & earth its like a 9.5 amp driver so sucks the power in from wall and then a lead from there to the motor. it drives the motor. I want to buy circuit breaker, noise filter and...
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    single phase into 3phase trip switches/contactors etc

    A servo encoder that drives a 1.5kw AC Motor
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    single phase into 3phase trip switches/contactors etc

    Can someone please help me on the above?
  17. D

    single phase into 3phase trip switches/contactors etc

    I think I should explain it better.Please see picture. I am trying to have circuit breaker, noise filter and magnectic contactor. 1)Is this all required for single phase 2)Can someone reccomand me some products. I am ready to buy. Encoder servodrive is 9.5amp and have read somewhere you need...
  18. D

    single phase into 3phase trip switches/contactors etc

    Can I wire single phase into 220-240V 3phase trip switches/contactors etc. What I am trying to do is protect a 220v-230v encoder but want the earth wires to look neat. professional looking. Please see picture below
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