Easy peasy
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Today, 00:48Its not me but the client who wants to overload the Load Cell. Of course not.41 replies | 1768 view(s) -
Today, 00:35Easy peasy replied to a thread Boost PFC controller must contain anti-distortion feature for zero crossings in Power Electronicsit looks to be more an artifact of the diode bridge in the sim - this is quite common to see - try putting a snubber across each diode in the sim...7 replies | 141 view(s) -
Yesterday, 21:06Easy peasy replied to a thread Boost PFC controller must contain anti-distortion feature for zero crossings in Power Electronicsmost design engineers would not worry about such a small artifact, it does indeed loo to be caused by bridge rect noise - and would be filtered...7 replies | 141 view(s)
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Yesterday, 13:54I will explain with an example. Let's say we are using a 30kgs 2mV/V Capacity Load Cell with HX711 @ 128 as gain and 5V as excitation voltage...41 replies | 1768 view(s)
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Yesterday, 10:39The client is telling that with my code a 600gms Load Cell is easily measuring up to 30kgs weight accurately. Load Cell Ultimate Overload is 200%...41 replies | 1768 view(s)
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Yesterday, 10:10Easy peasy replied to a thread Boost PFC controller must contain anti-distortion feature for zero crossings in Power Electronicsaverage current mode PFC chips ( like the original UC3854 ) automatically raise the PWM around the zero xing to keep the average input current...7 replies | 141 view(s)
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Yesterday, 09:55The load is resistive only but I will get another confirmation about it from the client.11 replies | 158 view(s)
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Yesterday, 01:46a capacitive dropper does not limit peak impulses drawn by the arc - a cap is a short to high freq impulses - this is why inductors are used - ...29 replies | 668 view(s)
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24th August 2019, 23:56You mean I have to use Linear optocouplers like IL300 between scaled 5V DC and ADC input?11 replies | 158 view(s)
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24th August 2019, 23:41Why should I measure minimum? If I use a diode to convert 400Vp-p signal to 200Vp signal (200 - 0.7V) and use a 200uF 300V capacitor and charge it...11 replies | 158 view(s)
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24th August 2019, 22:46It is 400Vp-p 1 Hz square wave.11 replies | 158 view(s)
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24th August 2019, 20:36Can I drop the voltage to say 5Vp-p range using a voltage divider and then use a diode and a capacitor to charge the capacitor to the peak value of...11 replies | 158 view(s)
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24th August 2019, 19:57How can I measure this voltage and current? It is 400V peak-to-peak @ 1 Hz and it is connected to an R load. Current in R varies between 100uA and...11 replies | 158 view(s)
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24th August 2019, 09:54Client tested it and got accurate results. Weighing Scale working fine now. https://mega.nz/#!uAACCA6b!Ptfi4DBGuN4Fy30L9xqy75PJ9X_A0Nh4Junl36Xs6Bo41 replies | 1768 view(s)
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24th August 2019, 02:12Easy peasy replied to a thread LTC4020 not regulating, blowing sense resistors during debug in Power ElectronicsHow is it going now ...?7 replies | 362 view(s)
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24th August 2019, 02:07I doubt a typical LED driver could reach the striking voltage ( several kV - unless you touch the electrodes together and then unwind them a bit )...29 replies | 668 view(s)
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23rd August 2019, 13:07I replaced the Mosfets to IRFP250N. For PWM signal > 50 kHz the output signal is getting distorted and also the HOx and LOx signals. What changes...23 replies | 532 view(s)
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23rd August 2019, 08:34the above statement tends to contradict the other statement you have made:29 replies | 668 view(s)
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23rd August 2019, 07:49Here is the simulation output. I have not yet built the hardware. - - - Updated - - - Updated file. VSx probes added. See the graphs and tell...23 replies | 532 view(s)
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23rd August 2019, 07:32Okay, increased the C1, C4 capacitors to 22uF but no change in output. I am using 50% duty PWM. Should I increase the duty to say 90% to get high...23 replies | 532 view(s)
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23rd August 2019, 02:37If it is turning electricity into light - then it is not just, or all, black body radiation - there will be some black body radiation from the...29 replies | 668 view(s)
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22nd August 2019, 23:06That was a mistake. I changed them to 10R but the output voltage goes to max 9V now. HOx and LOx voltgaes are fine and they are 36V and 12V...23 replies | 532 view(s)
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22nd August 2019, 22:31Correct, and current goes up as volts go down ( very counter intuitive ). Due to IR drop in the carbon rods - there will be a small element...29 replies | 668 view(s)
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22nd August 2019, 20:09From your circuit in post #1 you use 24V DC and 0V as GND and so I thought the output signal varies between 0V and 24V. Edit: My circuit works...23 replies | 532 view(s)
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22nd August 2019, 19:34Here it is a quick circuit that I made. Not sure if 8-bit PIC can generate 300 kHz PWM. Maybe you need dsPIC to generate a 300 kHz PWM...23 replies | 532 view(s)
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22nd August 2019, 19:03Is it AC sine wave output that you want? If yes, is it 300 kHz sine wave output? In Inverters the PWM of SPWM will be say 7 kHz to sometimes 300...23 replies | 532 view(s)
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22nd August 2019, 18:44You need SPWM to get Sine wave AC output from Bridge. Can be done but what max load current you want? 300 KHz frequency will need a very fast...23 replies | 532 view(s)
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22nd August 2019, 18:41Refer datasheet for device operating frequency. 24V from 24V means no transformer in your design as load but what is the inductive load? Can it...23 replies | 532 view(s)
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22nd August 2019, 18:39In Proteus the weight value is stable but in hardware, the weight is fluctuating because the no-load value is fluctuating. In video, you can see...41 replies | 1768 view(s)
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22nd August 2019, 18:12If Gate voltage is lower than Drain then it will turn On. For example Drain is 24V and Gate is 12V then MOSFET will turn On. There is a difference...23 replies | 532 view(s)
About Easy peasy
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- founder MagnetPowerNZ Ltd
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- engineer
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