output | Page 9

output

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  1. T

    Need help for PWM circuit!!

    Hi guys, Will like to seek your help. I have a 5V pwm controller/generator. This signal is output by a MOSFET. I will like to use this generator to execute PWM (15kHz) on a battery which has a high voltage of 40V. I believe i will need to connect this controller to probably another IGBT, which...
  2. M

    3 phase converter

    Hi guys I've been given a 3 phase converter to fix made by Motorun Phase Converters Teddington whom I can't seem to get in touch with.I've fixed the initial fault which was taking out the RCD because neutral & earth had been wired together on the outlet plug.This converter seems to be a hybrid...
  3. J

    LED GU10s

    Recently I keep getting asked about LED GU10s, and I don't know if they are any good, I have heard they aren't, but don't really know enough to recommend or not. If I were to swap 8 x 50W GU10s with the LED equivalent would they be as bright, and how long do they last? and is the quality of...
  4. L

    1.3 watt gu10 led

    hi i'm trying to find out how bright a 1.3 watt led gu10 bulb will be will it be like a normal 20 watt gu10
  5. I

    how to convert from rotation of dc motor to output voltage

    how can I change the rotation of the dc motor to the voltage? for example, when the dc motor is connected to the light, the light will light up. so my question, how can I get the output voltage on screen when dc motor rotates.?
  6. I

    how to convert to digital output

    hello friends, i need some help. Now I am a final year student at a university. I got a project, to me it is very difficult. how can I convert the physical signal to digital signal? for example, from flow of water, convert to voltage output.
  7. I

    Megger MFT 1553

    Hi Guys and Girlies, Looking for advice on using this meter (Megger MFT 1553) for doing EET to find resistance of earth rod on a generator. looking for Ω and Ka.
  8. D

    Low Voltage Light Question

    Hi all, Chum at work has 18 LV lights in the kitchen using the G4 5W halogen bulbs. Two bulbs failed but he could only get 10W replacements. Two questions 1. Will there be any detrimental affect having 2 of the 18 bulbs being 10W 2. If he replace all 18 bulbs with 10W, would this provide more...
  9. M

    247.9 volt in my home, 6 laptop chargers later?

    Hi im new to this forum, thanks for accepting me. can anybody help please? i have gone through 6 laptop chargers in the last 9 months, i just mesured the voltage and peak is 247.9. will a surge protector keep it at 240v ???? or is there something i can buy to keep it at 240? because the...
  10. J

    battery regulator help please!

    hi guys, i've made a musical suitcases (12v battery, car stereo amp, 6x9 speakers in a retro suitcase :D ), but i'm trying to 'adapt' solar power into it... i brought one of these from maplins: DC 12 V Battery Charging Regulator > Maplin "Starts charging automatically, whenever there is a drop...
  11. R

    Using RCD tester on output of a dimmer

    We have a jobsite where the building owner insists on testing the RCD using a RCD tester on the output of the dimmer. RCD trips when dimmer is at full (100% conduction) but does not when dimmed down. I believ the tester is not designed to be connected to the output of a switch that is turning...
  12. B

    24Volt AC to 24Volt DC

    What do I need to change a 24Volt AC supply into 24 Volt DC Supply. It is to power a small LED flashing light for an automatic gate the light wont work on the AC current is there an easy fix for this ? Thanks
  13. S

    excitation voltage

    When we increase excitation voltage, Gen. terminal voltage also increases. What happens to current at Gen. terminal? Please explain

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