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REKAM Listrik Tegangan Rendah

Biaya nego dan Aman

Jumat, 15 Juni 2012

Measuring on unbalance Low Voltage


Measuring by Analog equipment on diesel generator :


Picture 1. Analog meter.


Measuring by Digital equipment diesel generator :


Picture 2. Digital meter.

Without current transformer :
Current consumption : 5 A/220 V.
Connection Thermomagnetic circuit breaker, input line terminal positif, output  
line terminal negatif. Reading, I= 50 +/- 2.5 A
50 sin (180-30) = 25 A.
Reading: clamp meter = 22.3 A and 29.5 A
(actual current). 



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