| We are testing a 0.5 Watt LED Bulb at 220 Volts UPS AC input. We are using Embuilt SPEA-1 to test the Bulb properties. |
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| Specifications : 230 Volts AC, 50 Hz, 0.5 W |
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When power is on the following results are found –
| Vrms- 223.0 Volts | VTHD% -1.4% |
| Arms -18.53mA | ATHD% -19.7% |
| Watt -0.332Watt | V3rd Harmonics Value – 0.577 Volts |
Here we can see that VTHD is 1.4% Supply has small 1.4% distortion in Voltage.
ATHD % is 19.4 which means LED Driver(Internal in LED Bulb) distorted the AMPS waveform by 19.4%. It also has effect of Voltage THD.
We can also see the 3rd harmonics of Voltage is 0.533Volts.
Here we can see the 3rd harmnonics of voltage in % of first harmonics. 3rd Voltage harmonics is 0.336% of Vrms Harmonics.
Here we can see the 3rd harmonics Value of Amps. It is 1.630mA it has another waveform with Amps(Current) level of 1.630mA.
In the above image 3rd Harmonics of Amps shows in display 6. It is 8.6% of Arms (18.45mA).
Other parameters can also seen on SPEA-1.
You can also view readings on the SPEA-1 Software.
Above is the voltage harmonics spectrum of 0.5 Watt LED Bulb. All values are given in % of Vrms.
Above is the Amps(Current) harmonics spectrum of 0.5 Watt LED bulb. All values are given in % of Arms.
Harmonics report is also generated for 0.5 Watt Led bulb which contains the parameter values with Harmonics spectrum.
