Roland W
2.6K subscribers
13:53
Seven Years with PV, what I have learned...
Roland W
59 views • 4 hours ago
6:37
Current SE-Asian Heatwave. My take of what lies ahead...
Roland W
349 views • 2 weeks ago
8:49
Normal Grid-Voltage, yet High-Voltage? Thai Grid-Standard got me on the wrong foot.
Roland W
398 views • 3 weeks ago
22:37
Analog Sensors and Reference Voltage correction. How to make useful measurements with an MCU/ADC?
Roland W
263 views • 1 month ago
32:10
ACS758-based Bi-Directional DC-Current Sensor Module, active Low-Pass filtering
Roland W
261 views • 1 month ago
10:42
AC-Powerwall upgrades. Variable Charger, Hall Current Sensor, Non-Polarized DC-Breakers
Roland W
161 views • 2 months ago
58:52
SUN2000GTIL - AC failure repairs. All that you might want to know before you try...
Roland W
525 views • 2 months ago
10:20
4-Wire Milliohm-meter. Something that was missing from my tool collection!
Roland W
975 views • 2 months ago
23:36
SUN1000GTIL - AC failure repair. Bang! ...and swallowed into the Rabbit-Hole
Roland W
1.2K views • 3 months ago
13:50
Voltage Protection Relays. Can they help me to avoid my Inverter AC-side Faults??
Roland W
623 views • 3 months ago
24:57
SUN2000GTIL - AC failure repair. Or how shall we call the result?
Roland W
330 views • 3 months ago
10:04
Impressions of the Grid-Out experience. How are High Voltage Power Lines built in Thailand
Roland W
206 views • 3 months ago
9:05
Disconnected from the Grid. Our Resort for four days without power...
Roland W
239 views • 3 months ago
9:18
Follow-up: How did the change of parameters of my unknown Smart Inverter BMS work out?
Roland W
227 views • 4 months ago
15:12
CSI-SUN. The investigations have widened and continue. What will it take to repair all inverters?
Roland W
467 views • 4 months ago
5:44
A SUN2000GTIL Inverter blew up AGAIN! This is unbelievable...
Roland W
548 views • 4 months ago
20:56
How to access and change parameters of a battery with an unknown Smart Inverter BMS
Roland W
1.6K views • 4 months ago
15:18
AC/DC Surge Protection Device Wiring examples, How to interpret the SPD Clamping Voltage Uc
Roland W
779 views • 4 months ago
31:17
Polarized DC-Breakers are controversial... and they should be!
Roland W
2.1K views • 4 months ago
34:09
Our new Solar Hybrid-System & Grounding/N-G Bonding Special Introduction
Roland W
965 views • 5 months ago
23:36
The birth of our new Storage System
Roland W
545 views • 5 months ago
6:38
AC-Surge Protection Devices. What Types are there, what else to consider?
Roland W
310 views • 5 months ago
13:34
Two dead SUN1000/2000GTIL inverters! Are they fixable? Let's take a look!
Roland W
382 views • 6 months ago
12:53
Unpleasant surprise after returning, new project in planning!
Roland W
381 views • 6 months ago
7:28
It's that time of the year again...
Roland W
531 views • 10 months ago
9:33
Another failed DC Circuit Breaker. What is going on with my Powerwall...
Roland W
382 views • 11 months ago
24:38
Installing a 22kW AC-Wallbox. Where to get so much power from?
Roland W
427 views • 11 months ago
12:50
This is the last upgrade for my AC-Powerwall LiFePo4-Pack, really! :)
Roland W
315 views • 1 year ago
9:17
Tested some of my old cells. Did I just open Pandoras Box? What to expect from Used LiFePo4 Cells.
Roland W
406 views • 1 year ago
14:56
Used LiFePo4 cells in Thailand. Is the party of low prices over? Why can't TH/CN vendors be honest?
Roland W
480 views • 1 year ago
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