baileychic
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Today, 02:22might be a good idea to break one open and draw a schematic of the inside - could be quite helpful...6 replies | 93 view(s) -
Yesterday, 23:10What electronics are inside the bulb? - just LED's in series or ...? ?6 replies | 93 view(s)
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Yesterday, 20:49Easy peasy replied to a thread LLC converter vs Dual cascaded Buck….1000V to 48V at 500W output…no isolation needed in Power ElectronicsSo, you want to patent the improved buck converter ? I can't quite see the "inventive step" - legal term - that you have created here ...? ...16 replies | 397 view(s)
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Yesterday, 20:37also note if you are rectifying 230V mains the push pull fets will see > 650Volts - so 800V min required ...6 replies | 163 view(s)
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Yesterday, 05:22PWM -> DC value converter ... with lower output impedance to drive the secret load ( lower than the 4k7 resistor used on the filter ...)6 replies | 255 view(s)
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Yesterday, 05:17Auxiliary power supply once the push pull starts - what powers the chip to provide the gate drive at cold start is not shown / not drawn / not...6 replies | 163 view(s)
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Yesterday, 05:17thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsSir, Now cleared the doubts learned charactrestics lot of . And I Concluded that the desgin as follows . VDD =12Volt ...20 replies | 1274 view(s) -
Yesterday, 03:03Easy peasy replied to a thread LLC converter vs Dual cascaded Buck….1000V to 48V at 500W output…no isolation needed in Power Electronics... and ... does it work in sim ... ?16 replies | 397 view(s)
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21st January 2020, 06:03baileychic replied to a thread three phase volt measurement using resistor network method in MicrocontrollersYour void GetVolt3() code is not good. It tries to find the peak value of voltages but that is only good for sinusoidal voltage. If your...11 replies | 534 view(s)
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21st January 2020, 03:42Easy peasy replied to a thread LLC converter vs Dual cascaded Buck….1000V to 48V at 500W output…no isolation needed in Power Electronics2 x 600V diodes with small snubbers across each, 47pF & 470 ohm should make the sim go ... - - - Updated - - - for 1kV in you probably...16 replies | 397 view(s)
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20th January 2020, 21:09Easy peasy replied to a thread LLC converter vs Dual cascaded Buck….1000V to 48V at 500W output…no isolation needed in Power ElectronicsIf you were going to do 2 x buck stages - you would have the same gate drive to each stage, this would give 1kV:220V:48V naturally Using SiC...16 replies | 397 view(s)
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20th January 2020, 17:08baileychic replied to a thread three phase volt measurement using resistor network method in MicrocontrollersThis is wrong. ADC_value= ((ADRESH<<8)+ADRESL); // Return 10 bit ADC value casting to 16-bit variable needed. ADRESH is a 8-bit...11 replies | 534 view(s)
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20th January 2020, 05:42you run the risk of frying the igbt - try a relay ... - - - Updated - - - p.s. you only need one triac - the other is redundant - also...14 replies | 424 view(s)
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20th January 2020, 01:49Easy peasy replied to a thread LLC converter vs Dual cascaded Buck….1000V to 48V at 500W output…no isolation needed in Power Electronics1000V to 48V, I would do this with 2 x 800V H bridges in series ( we have done up to 4 in series for 3.8kV in, 350Vout 40A ) I would...16 replies | 397 view(s)
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20th January 2020, 01:46are we doing home work for students now ... ?9 replies | 522 view(s)
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20th January 2020, 01:43if you have 2 equal currents 180 deg out of phase in a wire - the net current is zero - if there are in phase then the current is 2x - this...3 replies | 260 view(s)
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20th January 2020, 01:41There are a lot of hard switched H bridges up to 3.5kW ( and well above actually ) usually 20kHz for above 3.5kW and up to 50kHz below 3.5kW ...3 replies | 219 view(s)
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19th January 2020, 23:52Easy peasy replied to a thread Testing Amps on rewound microwave transformer in Elementary Electronic Questions... ... ... .17 replies | 882 view(s)
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19th January 2020, 01:17There is - or should be - no contradiction - you can use a very small amount of current mode control in an half bridge ( but not too much ..! - ...9 replies | 930 view(s)
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18th January 2020, 10:23baileychic replied to a thread Automatic Water Level Controller - Dynamic Dry-Run and OverLoad Current Calc Related in MicrocontrollersWhy there will be voltage / current spikes ifa MOV is put in parallel across the power line? I have one but not shown in the simulation. One MOV is...12 replies | 959 view(s)
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18th January 2020, 08:43thannara123 replied to a thread ADC Value gets changed when a Digital output enables in Power Electronicselectrical noise may lead ADC value2 replies | 272 view(s)
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18th January 2020, 01:22Easy peasy replied to a thread Testing Amps on rewound microwave transformer in Elementary Electronic QuestionsThe current needs to be limited by a suitable load on the output of the Tx - if you apply a too low ohm load you will overload the Tx, this is...17 replies | 882 view(s)
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17th January 2020, 17:17thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsHai sir i don't have confusion as you said . I know ohmic or linear or triode region is the low resistance mode of the MOSFET operation. Where the...20 replies | 1274 view(s)
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17th January 2020, 12:01thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsThanks , But then Is the MOSFET works on cutoff and Ohmic region ? or cutoff and stauration region?20 replies | 1274 view(s)
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17th January 2020, 09:33Easy peasy replied to a thread Testing Amps on rewound microwave transformer in Elementary Electronic Questionsalso the pri of a uWave Tx has fewer turns than a conventional Tx - it runs very high peak flux and high peak magnetising current - as a result...17 replies | 882 view(s)
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17th January 2020, 09:00Easy peasy replied to a thread Earth leakage Detection "positive" as well as "Negative" >30mA. in Professional Hardware and Electronics Designhere you go :-5 replies | 589 view(s)
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17th January 2020, 04:38thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsHow can i attain in ohmic / Triode region ? As per the data sheet The Vds should be in the range of 2.5volt for the ohmic region. and Vgs is 5volt...20 replies | 1274 view(s)
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17th January 2020, 03:15Easy peasy replied to a thread LoopGain analysis with multiple feedback loop in Analog Circuit Design@ The Electrician - they are resistors -17 replies | 709 view(s)
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16th January 2020, 15:49thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power Electronicsconfused a little :-? Mesuare the Vds when it ON it gives 12mv and 10.5mv for V1 =12v and V1 = 10 respectively .20 replies | 1274 view(s)
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16th January 2020, 02:19Easy peasy replied to a thread Need to reduce drain voltage spike in LM5019 Buck converter in Power Electronicsif you short your "probe" on the Vin line and still see the spikes - you know it is the probing system - you can subtract the artifact spikes...5 replies | 332 view(s)
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