METREL MI 3399, Instruction Manual With Exercises

Page: 178 / 272

Power and Voltage Quality Trainer AD 2
– MI 3399
178
Figure 4-58: Expanded Power & Energy node
4.6 Exercise 6
– Harmonics measurement
In this exercise, we will show how instrument should be setup in order to measure and
analyze harmonics. Before start, please set the switch S5 in the Application Trainer to
ON as shown in the table below. The remaining switches should be set to OFF.
Switch Description State
S5 Harmonics
ON
The Application Trainer will simulate an electrical system with the following
parameters:

Fundamental voltage: 230 V

Fundamental current: 1000 A

Load type: Inductive

Load character: Load (Consumption of electrical power)

Frequency: 50/60 Hz

Voltage harmonics:
o
3
rd
harmonic:5%,
o
5
th
harmonic: 5%,
o
7
th
harmonic: 5%

Current harmonics:
o
3
rd
harmonic:15%,