Easy peasy
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Today, 09:32well - you need to sit down and do some sketches and some design ... and try to largely work it out yourself10 replies | 100 view(s) -
Today, 08:17look up CD4046 - it will give you a few ideas on phase comparators - and how it can be done ....10 replies | 100 view(s)
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Today, 06:56Now there is an additional requirement and that is I have to control the load power by using a MOSFET switch. The load power is supplied by the +15V...15 replies | 516 view(s) -
9th December 2019, 20:44Easy peasy replied to a thread Grid tied inverters will result in high mains voltages above 300VAC..do you agree? in Elementary Electronic QuestionsAll the grid tied inverters I have designed would be off above 245Vac - there's really no point them being on - after all there is plenty of...5 replies | 255 view(s)
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9th December 2019, 06:38Easy peasy replied to a thread PFC controller datasheets do not tell you that they need to damp LC filter ringing? in Power Electronicshow do you know the ringing isn't due to your input filters suddenly being unloaded when the buck ckt goes off - then on ...? sure M3 provides...2 replies | 337 view(s)
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9th December 2019, 06:31Easy peasy replied to a thread Grid tied inverters will result in high mains voltages above 300VAC..do you agree? in Elementary Electronic Questionsa peak voltage sense of 365Vpk or so would be fast enough to shut off an inverter in a few uS. However, even 20mS of 300Vac will not damage the...5 replies | 255 view(s)
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9th December 2019, 04:01How to limit the charging current to the battery? I don't want it to be more than 2A.15 replies | 516 view(s)
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9th December 2019, 00:20@BradTheRad Thank you for the circuit. Can I drive the Complementary transistors in your circuit with PWM from MCU (PIC) instead of using the...15 replies | 516 view(s)
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8th December 2019, 13:10I fixed the MOSFET circuit with High Side Driver but still, it doesn't work as needed. Find the new circuit which is attached. In simulation...15 replies | 516 view(s)
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8th December 2019, 12:14Corrected in previous post There is no time to design a DC-DC Converter and a Battery Charger at this time and hence I am going to use this...15 replies | 516 view(s)
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8th December 2019, 10:12Car Cooling System PSU Design Related I am doing a Car Cooling system using Peltier (4x) and PIC18F46K22. 2x LM35 are used to sense room...15 replies | 516 view(s)
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8th December 2019, 01:03Only the gate to source gives you a usable capacitance ( unless you have a J-fet ) if you use D-S the cap will be dominated by the channel...18 replies | 576 view(s)
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7th December 2019, 06:35your 100uF should be very low ESR/ESL - but, putting that to one side - it is just as likely your scope is picking up common mode impulses - ...4 replies | 274 view(s)
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6th December 2019, 01:36Easy peasy replied to a thread Seeking: 3400uF 50VAC or greater low loss, tan-delta < 0.01 say in Power Electronicshow I did it: - by searching the internet company is reliable? I got a detailed data sheet and have samples in transit.5 replies | 409 view(s)
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5th December 2019, 00:47if you are asking this sort of question - you are going to have real trouble getting this ckt going ...22 replies | 1066 view(s)
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4th December 2019, 09:05you show a centre tapped output in the schematic above, are you saying 21 x 0.55 dia = 5mm^2, OK, but if you have a simple sec over pri wdg...6 replies | 426 view(s)
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4th December 2019, 03:49Are the cores moving in the Tx? what is the gap you have used? how slow is the soft start?22 replies | 1066 view(s)
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4th December 2019, 03:47you haven't - in the schematic, connected the the CT of the Tx to the zero volt of the output caps...! this will cause problems ... you...6 replies | 426 view(s)
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3rd December 2019, 03:12Easy peasy replied to a thread Iron Core Transformator No Load Current (Core material) in Power Electronicstype B may be thinner lams or toroidal...? = lower losses or more turns on pri wdg ...3 replies | 267 view(s)
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2nd December 2019, 09:42soft start cap needs to be bigger for a longer soft start - say 1uF and 470ohm current limit R in series how do you know that the phasing is...22 replies | 1066 view(s)
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1st December 2019, 20:04given the total capacitive loading on the sec's - you need a much longer soft start ... - - - Updated - - - however - transformer...22 replies | 1066 view(s)
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1st December 2019, 01:47a proper soft start ckt would be a good idea ...22 replies | 1066 view(s)
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1st December 2019, 01:46you can't use current mode with an half bridge - time to do a little research ...6 replies | 426 view(s)
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30th November 2019, 21:05It is better to use TimerOne Arduino library and set it up for 2ms or 3ms interrupt and refresh the display in the ISR (interrupt service routine or...9 replies | 768 view(s)
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30th November 2019, 19:03baileychic replied to a thread [PIC] MikroC for PIC32 PIC32MZ MCU Clock Frquency [MHz] bug? in MicrocontrollersWhatever be the Oscillator frequency the Delay_ms(1) function is coded to generate 1ms delay and Delay_us(1) to generate 1us. Doesn't the function...3 replies | 398 view(s)
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29th November 2019, 21:16impossible to assist without seeing the real ckt and the output side - is you diode & mosfet well heatsunk ...?22 replies | 1066 view(s)
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29th November 2019, 08:49Hello, 600 watts out = 60ADC in, so the turns ratio needs to be at least 1:10 ( 10V to 100V ) more to allow for losses. push-pull is OK...2 replies | 187 view(s)
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29th November 2019, 00:12is the diode/cap the right way round on the sec side - i.e. Tx phasing ... ? - - - Updated - - - also try a 22 ohm gate resistor - ...22 replies | 1066 view(s)
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28th November 2019, 20:24Easy peasy replied to a thread Seeking: 3400uF 50VAC or greater low loss, tan-delta < 0.01 say in Power ElectronicsCAP: I0600L9500UKN4BFE3N, 1000pcs, FOB price USD25.00/EACH Sheng Ye Electric Co., Ltd, Add：No.4, Lunjiao Xinxi 4th Road, Shunde, Foshan City,...5 replies | 409 view(s)
About Easy peasy
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- Biography:
- founder MagnetPowerNZ Ltd
- Location:
- Melbourne
- Occupation:
- engineer
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