Easy peasy
Advanced Member level 5
Find latest posts
View Articles
View Blog EntriesMini Statistics
- Join Date
- 15th August 2015
- Last Activity
- Today 12:04
- 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 18,605 visits
- Tab Content
- Easy peasy's Activity
- About Me
- Friends
- Experience
- Tab Content
-
Older Activity
-
Today, 10:44we purchased several for Li-ion testing, and they modified one for us, so we could input 0-10V for 0 - 100A apparently they can do constant R...5 replies | 117 view(s) -
Today, 02:08Easy peasy replied to a thread Why and how is PWM implemented in Field Oriented Control (FOC) ? in Power Electronicsrespectfully - you appear to need a better understanding of the whole system - try talking to fellow engineers ...2 replies | 145 view(s)
-
Today, 02:04you might want to start with something like this electronic load 3kW + http://www.pwrtrnx.com/index.cfm/4,457,html5 replies | 117 view(s)
-
Today, 01:59for a 9" x 5" oval you can assume 25 - 35 watts max ...10 replies | 536 view(s)
-
Today, 00:031.5W / m.K = 0.667 mK / watt, let us assume 10W per your prev post, and 1cm thru thickness and 3 x 3cm area as an approximation this is ...16 replies | 605 view(s)
-
Yesterday, 13:47what are you potting in? does the potting compound have high thermal conductivity ? or is it more of a thermal insulator?16 replies | 605 view(s)
-
Yesterday, 11:01It will be exactly 0.2% of the total kVA of the GCI .....1 replies | 134 view(s)
-
Yesterday, 07:53Sot-223 ...6 replies | 206 view(s)
-
Yesterday, 05:28PQ5050 N97 = 3.5W 100kHz, 100mT peak ... make sure the freq can go high enough fast enough when a short is applied to the o/p. This is the...16 replies | 605 view(s)
-
6th April 2020, 21:45The graphs are somewhat useful, remember you must control Fmin, such that you do not attempt to go too low in freq, i.e. in an attempt to get...16 replies | 605 view(s)
-
6th April 2020, 01:51Yes, using 2 x toroids is possible - just a bit untidy looking ...6 replies | 395 view(s)
-
6th April 2020, 01:30If you are in ZVS, then by definition you are above the resonant freq of the ckt at that operating point ... - - - Updated - - - Also if you...16 replies | 605 view(s)
-
5th April 2020, 11:58you are evidently un-aware of the hard switching failure mode of almost all mosfets in hard switched capacitive mode - let alone the losses and...16 replies | 605 view(s)
-
5th April 2020, 08:49It's a fair bet you have inadvertently built something wrong - or blown a part or parts up thus far ...10 replies | 585 view(s)
-
5th April 2020, 08:46below resonance operation is inviting your mosfets to go bang all the time - redesign for always above resonance ....16 replies | 605 view(s)
-
5th April 2020, 08:42Dear Draytek, if you really require 400V 12.5A out, AND, at another time, 40V 125A, you will need either a serious tap on the transformer or...4 replies | 242 view(s)
-
5th April 2020, 08:35you need an EI core at least with wdgs on the outer legs - as well as the central leg ...6 replies | 395 view(s)
-
4th April 2020, 03:57Easy peasy replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsA diac is in fact a triac, with internal resistors such that it breaks down to a volt or so ( as long as there is sufficient current to keep it on )...98 replies | 3363 view(s)
-
3rd April 2020, 09:44Easy peasy replied to a thread 12kW power supply spec with vin = 1000v to 880v? in Power ElectronicsWe would do this with 3 x H-bridges in series, 600V devices on each - giving 1800V input max 84A o/p per H bridge @ 48VDC ... Automatic...3 replies | 238 view(s)
-
2nd April 2020, 08:47The ringing is normal for light load - the overshoot is not too bad either - try higher loads ....23 replies | 1013 view(s)
-
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 | 336 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 | 268 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...23 replies | 1013 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...23 replies | 1013 view(s)
-
27th March 2020, 22:36the fet might well be dead ... - - - Updated - - - or the transformer phasing or gap may be wrong ...23 replies | 1013 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 | 702 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 | 911 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 | 548 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 | 548 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 | 966 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
- 2,200
- Posts Per Day
- 1.30
General Information
- Last Activity
- Today 12:04
- Join Date
- 15th August 2015
Helpful Postings
- Has Rated
- 215
- Post Rated
- Rated helpful 805 out of 805 times
5 Friends
Showing Friends 1 to 5 of 5
Experience
Points
- Points
- 13,408
- Level
- 27
Level up completed
- Level up completed
- 85%
- Points required
- 142
Activity
- Activity
- 90.0%
- Activity last 30 days
- 81.0%
- Activity last 7 days
- 97.0%
Points
All Points for user
- Points for User
- 2,479
- Points for Reputation
- 1,616
- Points for every day since registration
- 848
- Points for Friends
- 15
All Points for threads
- Points for threads
- 424
- Points for Threads
- 6
- Points for tagging threads
- 409
- Points for replies
- 9
All Points for posts
- Points for Posts
- 10,504
- Points for Posts
- 6,480
- Average Posts per Day
- 1.00
- Helpful Answers
- 4,015
- Solved Threads
- 9
All Points for miscellaneous
- Points for Misc
- 0
Activities
8th April 2020
- 03:07 Easy peasy has earned 29 Points for Posts points
- 03:07 Easy peasy has earned 2 Points for User points
- 03:07 Easy peasy has earned 1 Points for threads points
7th April 2020
- 03:06 Easy peasy has earned 8 Points for Posts points
- 03:06 Easy peasy has earned 3 Points for User points
- 03:06 Easy peasy has earned 1 Points for threads points
6th April 2020
- 03:07 Easy peasy has earned 4 Points for User points
- 03:07 Easy peasy has earned 31 Points for Posts points
5th April 2020
- 03:07 Easy peasy has earned 3 Points for Posts points
- 03:07 Easy peasy has earned 1 Points for User points
4th April 2020
- 03:07 Easy peasy has earned 8 Points for Posts points
- 03:07 Easy peasy has earned 2 Points for User points
3rd April 2020
- 03:08 Easy peasy has earned 7 Points for User points
- 03:08 Easy peasy has earned 18 Points for Posts points
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
Show Activities from all Users