Easy peasy
Advanced Member level 5
Find latest posts
View Articles
View Blog EntriesMini Statistics
- Join Date
- 15th August 2015
- Last Activity
- 31st March 2020 05:48
- Blog Entries
- 0
1 Groups
Join Groups 0 Permission Groups
Easy peasy is not a member of any public groups
Awards
No Awards.
Achievements
No achievements.
Recent Visitors
This page has had 18,089 visits
- Tab Content
- Easy peasy's Activity
- About Me
- Friends
- Experience
- Tab Content
-
Older Activity
-
31st March 2020, 04:05Easy peasy replied to a thread Is a snubber circuit required with zero-cross optocoupler in Power ElectronicsA snubber is a good idea if the load is unknown, these drivers switch the triac on soon after zero crossing, so the load current will start from...4 replies | 260 view(s) -
30th March 2020, 04:49Easy peasy replied to a thread Dimmer lamp 220v ac (resistor values) in Elementary Electronic Questionsif you want to limit the max gate current to 1A say, then R1 + R2 = 325 ohm, note they must be rated for >200V each to avoid them breaking...2 replies | 204 view(s)
-
28th March 2020, 21:09Faulty scope probes or "open ckt" gnd connections will not help in fault finding, hopefully your fet and driver and associated cktry have survived...20 replies | 645 view(s)
-
27th March 2020, 23:32A flyback transformer needs a gap in the core ( unless for VERY low power ) to store the energy, It is essentially a well coupled inductor. With...20 replies | 645 view(s)
-
27th March 2020, 22:36the fet might well be dead ... - - - Updated - - - or the transformer phasing or gap may be wrong ...20 replies | 645 view(s)
-
24th March 2020, 05:02the above modified sine wave will power a lap top charger as will even cruder modified sine system of a single step - mainly because the laptop...10 replies | 642 view(s)
-
23rd March 2020, 10:18Easy peasy replied to a thread thought experiment to understand measuring equipment. in Power ElectronicsI think you guys have properly scared him off this thread/site now ...18 replies | 755 view(s)
-
20th March 2020, 09:08Easy peasy replied to a thread Inductor question. Why current goes up then down instead of decreasing with frequency in Elementary Electronic Questionsyes opposite effect described - apologies - either a typo or there is a series cap causing a min resonance in Z.9 replies | 493 view(s)
-
20th March 2020, 02:15Easy peasy replied to a thread Inductor question. Why current goes up then down instead of decreasing with frequency in Elementary Electronic QuestionsYou are seeing parallel resonance of the inductor - at a certain frequency it will look hi Z - it will then support all the volts from the...9 replies | 493 view(s)
-
19th March 2020, 23:13Easy peasy replied to a thread Current sensor upstream of Bulk of output capacitance in DCDC converter? in Power ElectronicsSome of your caps might be a bit iffy - this used to be a prime source of noise once - which was hard to find ...16 replies | 846 view(s)
-
19th March 2020, 07:26Easy peasy replied to a thread Current sensor upstream of Bulk of output capacitance in DCDC converter? in Power ElectronicsYep - sure you can try that ...16 replies | 846 view(s)
-
18th March 2020, 22:30Easy peasy replied to a thread Current sensor upstream of Bulk of output capacitance in DCDC converter? in Power Electronicsyes there is HF ripple of some sort flowing b/n the internal and external caps, upsetting your ( low cost (?)) I sensor - the only way to...16 replies | 846 view(s)
-
18th March 2020, 22:25Easy peasy replied to a thread what if i connect a battery to the electromagnet? in Power ElectronicsDepends on the Lithium chemistry, but most of the energy is delivered at 3V, a quality industrial Li-Fe-PO4 ( prismatic ) delivers from 3.3 ...10 replies | 572 view(s)
-
18th March 2020, 22:21it will cause a lot of extra primary current - a bad thing ... when the main mosfet has to turn off44 replies | 1825 view(s)
-
17th March 2020, 03:26Easy peasy replied to a thread what if i connect a battery to the electromagnet? in Power ElectronicsMeasure the resistance of your electromagnet if it is 0.5 ohm say ... at 3.0 volts this is 6A, your 18650 cell will not provide this for...10 replies | 572 view(s)
-
17th March 2020, 03:24Easy peasy replied to a thread thought experiment to understand radio propagation. in RF, Microwave, Antennas and Opticsit also depends on the effective radiated power - a usual receiver can operate on 0.5uV,13 replies | 711 view(s)
-
17th March 2020, 03:22Easy peasy replied to a thread Current sensor upstream of Bulk of output capacitance in DCDC converter? in Power ElectronicsUpstream means the sensor sees all the high freq current info into the capacitor - this will always be more stable ...16 replies | 846 view(s)
-
15th March 2020, 21:37Easy peasy replied to a thread Question why one of the MOSFET burn shorted in my SS relay in Power ElectronicsIf, you are using fets from Ali-express - you need to allow that failures will happen ...56 replies | 2203 view(s)
-
15th March 2020, 10:30Easy peasy replied to a thread 250VAC, 4A fuse used at 700V input to SMPS? in Elementary Electronic Questionsthis is difference between knowledge gained through testing - and other noises ...11 replies | 668 view(s)
-
15th March 2020, 10:04Easy peasy replied to a thread 250VAC, 4A fuse used at 700V input to SMPS? in Elementary Electronic QuestionsWe have performed a lot of DC fuse testing - at 12kW, 700V the source is likely current limited, 20A or so, sand filled ceramic fuses will...11 replies | 668 view(s)
-
15th March 2020, 02:54Easy peasy replied to a thread 250VAC, 4A fuse used at 700V input to SMPS? in Elementary Electronic QuestionsCeramic ( sand ) filled 20mm fuse will be fine - they are designed to handle a lot more than you expect ...11 replies | 668 view(s)
-
13th March 2020, 04:20Easy peasy replied to a thread [SOLVED] Op amp testing question about feedback loop in Analog Circuit Designyou need to look at the WHOLE circuit - not just the op-amp bit ...5 replies | 624 view(s)
-
13th March 2020, 04:19Measure the inductance of the coil with and without the core present - the ratio of inductance is a fair measure of the relative permeability of...15 replies | 921 view(s)
-
12th March 2020, 05:04Easy peasy replied to a thread Full wave bridge rectifier but doing half wave in Analog Circuit Designuse two scope probes and subtract them ( Ch1-Ch2 ) to see what is going on without shorting the 0v of the ckt ( cos the sig gen has an earthed...10 replies | 701 view(s)
-
11th March 2020, 04:24Easy peasy replied to a thread Question why one of the MOSFET burn shorted in my SS relay in Power ElectronicsIf we are to believe your earlier posts - you have already captured the G-S turn on - so it is difficult to see the issue here. As stated...56 replies | 2203 view(s)
-
11th March 2020, 03:13Easy peasy replied to a thread Full wave bridge rectifier but doing half wave in Analog Circuit Designthe output of the AC xfrmr is not earthed ...10 replies | 701 view(s)
-
11th March 2020, 03:11It is mainly the Z of the nearest electro ...5 replies | 388 view(s)
-
11th March 2020, 03:09Easy peasy replied to a thread Question why one of the MOSFET burn shorted in my SS relay in Power Electronicsuse differential measurement, using both channel 1 and channel 2 of the scope to hook onto the D and G respectively and use (Channel 1)-(Channel 2)...56 replies | 2203 view(s)
-
10th March 2020, 03:38Easy peasy replied to a thread Question why one of the MOSFET burn shorted in my SS relay in Power ElectronicsIf you can show the G-S waveform, as in your earlier post, then surely you can show the D-S waveform at turn off - just make sure the scope...56 replies | 2203 view(s)
-
9th March 2020, 22:55Easy peasy replied to a thread Question why one of the MOSFET burn shorted in my SS relay in Power ElectronicsThe complete ckt is not shown, the SSR is in series with a power supply and load, the loop area of this total connection has inductance showing...56 replies | 2203 view(s)
About Easy peasy
Basic Information
Areas of Interest
- Area of specialization:
- Power Electronics
Optional Info
- Biography:
- founder MagnetPowerNZ Ltd
- Location:
- Melbourne
- Occupation:
- engineer
Statistics
Total Posts
- Total Posts
- 2,180
- Posts Per Day
- 1.29
General Information
- Last Activity
- 31st March 2020 05:48
- Join Date
- 15th August 2015
Helpful Postings
- Has Rated
- 214
- Post Rated
- Rated helpful 797 out of 797 times
5 Friends
Showing Friends 1 to 5 of 5
Experience
Points
- Points
- 13,290
- Level
- 27
Level up completed
- Level up completed
- 72%
- Points required
- 260
Activity
- Activity
- 52.0%
- Activity last 30 days
- 74.0%
- Activity last 7 days
- 92.0%
Points
All Points for user
- Points for User
- 2,460
- Points for Reputation
- 1,600
- Points for every day since registration
- 845
- Points for Friends
- 15
All Points for threads
- Points for threads
- 422
- Points for Threads
- 6
- Points for tagging threads
- 407
- Points for replies
- 9
All Points for posts
- Points for Posts
- 10,407
- Points for Posts
- 6,423
- Average Posts per Day
- 1.00
- Helpful Answers
- 3,975
- Solved Threads
- 9
All Points for miscellaneous
- Points for Misc
- 0
Activities
1st April 2020
- 03:07 Easy peasy has earned 3 Points for Posts points
- 03:07 Easy peasy has earned 1 Points for threads points
- 03:07 Easy peasy has earned 1 Points for User points
31st March 2020
- 03:07 Easy peasy has earned 3 Points for Posts points
30th March 2020
- 03:06 Easy peasy has earned 1 Points for User points
29th March 2020
- 03:07 Easy peasy has earned 3 Points for Posts points
28th March 2020
- 03:07 Easy peasy has earned 5 Points for User points
- 03:07 Easy peasy has earned 16 Points for Posts points
26th March 2020
- 03:07 Easy peasy has earned 1 Points for User points
25th March 2020
- 03:07 Easy peasy has earned 3 Points for Posts points
- 03:07 Easy peasy has earned 1 Points for threads points
24th March 2020
- 03:07 Easy peasy has earned 8 Points for Posts points
- 03:07 Easy peasy has earned 3 Points for User points
22nd March 2020
- 03:07 Easy peasy has earned 1 Points for User points
21st March 2020
- 03:07 Easy peasy has earned 8 Points for Posts points
- 03:07 Easy peasy has earned 2 Points for User points
20th March 2020
- 03:07 Easy peasy has earned 7 Points for User points
- 03:07 Easy peasy has earned 24 Points for Posts points
19th March 2020
- 03:07 Easy peasy has earned 9 Points for Posts points
18th March 2020
- 03:07 Easy peasy has earned 9 Points for Posts points
Show Activities from all Users