Easy peasy
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Today, 06:39hello Ozzie, sorry reading code is not my long suit - I write the algorithms that are then coded by others ( less **** ups that way ) keep...13 replies | 188 view(s) -
Today, 06:30respectfully, the 26 milli-ohm res has 474 watts for 135 amps only, each of the diodes has 8 watts for every 10 amps thru - so the losses mount...4 replies | 127 view(s)
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Today, 06:15I will update the display once per second only. The relays if needed to be tripped has to be within 3ms after getting the rawCurrentValues. I...13 replies | 188 view(s) -
Today, 05:03taking the peak in any 25mS period ( pk - pk divided by two ) should give accurate results for the peak current - a small RC filter on the...13 replies | 188 view(s)
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Today, 03:18@Klaus Okay, I will try them. For now, I am trying to get 1 channel working but all I get is 0.00 as readings for all the channels...13 replies | 188 view(s)
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Today, 01:53@andre_teprom Yes, that was what I was thinking but it is processor time consuming even with integer arithmetic. I need a faster method or how...13 replies | 188 view(s)
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Today, 01:09@FvM Then what is the best way to measure the AC current using ACS712-05T sensor module?13 replies | 188 view(s)
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Yesterday, 23:05current fed push pull is a good option too at low vin - keeps the current in the devices to low levels - splitting into 2 converters will...4 replies | 127 view(s)
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Yesterday, 23:04Easy peasy replied to a thread Help with electromagnetic interference in Class E amplifier in Power ElectronicsTry designing an EMC filter to reduce feed thru to your input wires, try putting all the power electronics in a thin mild steel box and earth it at...1 replies | 48 view(s)
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Yesterday, 22:58Yes, when the pot is set to the bottom - you will get 44.5Vout, and 4.04V out when the pot is turned to the top - in your schematic ......4 replies | 127 view(s)
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Yesterday, 21:33I discarded application 4 as the compensation of diode Vf doesn't give correct and accurate readings. Instead, I just measured AC current...13 replies | 188 view(s)
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Yesterday, 20:57No, that is not my issue. I don't want to measure negative current. There is a Vf of the diode. How to compensate it to get 0 to 5Amps reading...13 replies | 188 view(s)
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Yesterday, 20:35too few volts into pin 2 perhaps? it is designed to see 2v5 from the output divider at all times .... a soft start ckt would be a good idea...26 replies | 1126 view(s)
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Yesterday, 20:27OK - layout is ill considered - but to get it going - try the following; 1) 1uF MLCC 50V across R6 2) put 1206 size 330pF for C4 ...4 replies | 127 view(s)
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Yesterday, 19:35ACS712-5A AC Current Reading - How to? I am referring Application 4 on Page 12 of the datasheet and also referring Pafe 13. Datasheet ...13 replies | 188 view(s)
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19th November 2019, 22:49this seems like a uni assignment ...7 replies | 282 view(s)
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19th November 2019, 22:48Easy peasy replied to a thread Mains harmonic emissions for dimmable offline LED drivers. in Power Electronicsagreed - large filter caps add phase shift at light loads - the key is an emc filter with more L than C ... I note in the spec that quite a...15 replies | 514 view(s)
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19th November 2019, 10:02Easy peasy replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and Physicsthat is impressive - are the rise & fall times in radians?17 replies | 614 view(s)
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19th November 2019, 07:12Easy peasy replied to a thread Mains harmonic emissions for dimmable offline LED drivers. in Power ElectronicsFAN9611 fits the bill for controller I think ...15 replies | 514 view(s)
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19th November 2019, 06:56baileychic replied to a thread CAN communication between two nodes (PIC18F458 and MCP2551 ) hardware in MicrocontrollersTRISC should be 0xC0 for both PIC18F devices.6 replies | 398 view(s)
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19th November 2019, 01:02Easy peasy replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and PhysicsHello FvM, thank you for your kind remarks, can you please explain what r1, f1 is in the above? and the ratio or exact width of the 3...17 replies | 614 view(s)
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18th November 2019, 23:51you need to read far more about the active clamp flyback and the effect of input caps, there is literally heaps of information on manufacturers web...1 replies | 139 view(s)
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18th November 2019, 23:49Easy peasy replied to a thread Mains harmonic emissions for dimmable offline LED drivers. in Power ElectronicsThe aim should be to make it as good as possible at the lower powers, testing other makers products is a good place to learn, below 30W there are, ...15 replies | 514 view(s)
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18th November 2019, 23:44Easy peasy replied to a thread interleved active clamp flyback converter circuit in Power Electronicsstart with < 50% pwm to make things a bit easier ...3 replies | 191 view(s)
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18th November 2019, 23:41Easy peasy replied to a thread How can I measure AC current with ~500 kHz frequency? in Analog Circuit Designmaking your own CT on a suitable ferrite toroid, with a suitable burden resistor ( non inductive ) and a good 'scope will allow you to measure...6 replies | 237 view(s)
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18th November 2019, 23:39Easy peasy replied to a thread Transformer Phase shift used in isolated zero crossing detectors in Power Electronicsit is in fact the capacitance ( coupled with leakage L & R ) that causes the delay .... - - - Updated - - - loading the Tx should reduce...4 replies | 177 view(s)
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18th November 2019, 19:49Easy peasy replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and Physicsgreat work FvM, unfortunately it is a bit hard to see what you have presented, the middle pulse should be the major one - as per your sketch,...17 replies | 614 view(s)
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18th November 2019, 11:53Easy peasy replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and Physicsas it is symmetric about pi/2 ( 90 deg ) this helps in the maths17 replies | 614 view(s)
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18th November 2019, 11:16PLLDIV = 4 USDDIV = 2 CPUDIV = HS, divided by 3 These will give you 48 MHz CPU clock. Edit: Or4 replies | 255 view(s)
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18th November 2019, 04:16Easy peasy replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and PhysicsHello All, thought I would re-post this here - as it essentially a mathematics problem. Determine the placement and width of a 5 pulse multiple...17 replies | 614 view(s)
About Easy peasy
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- Power Electronics
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- Biography:
- founder MagnetPowerNZ Ltd
- Location:
- Melbourne
- Occupation:
- engineer
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