david-
First test to measure voltage and current waveform
02/09/2017 at 21:25 • 0 commentsUsing components I already have, hopefully without the need to purchase anything else.
The first current transformer (CT) was from an Ega energy monitor 71A - 25mA.
No of coils = 71 / 0.025 = 2480
The second CT purchased from eBay a YHCD SCT013 100A 50mA cost £7.91
No of coils = 100 / 0.050 = 2000
Burden resistor calculation
CT1 = // PV - measured between inverter and consumer unit
CT2 = // measured at my side of supply grid's meter
Circuit is based in Robin Emerly's PV router mk2
Tests run using his code with scripts: rawSamples.ino phase Checker and calPhase
Calibration to follow.
PV Monitor and Divertor
To monitor the generation and hopefully use more of the electricity generated and eventually store some for later use