METREL MI 3399, Инструкция с упражнениями

Страница: 144 / 272

Power and Voltage Quality Trainer AD 2
– MI 3399
144
The Application Trainer
“simulates” 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
Power Master MI 2892 should be connected to the Application Trainer and set up as
described in previous section. It is good practice to observe Connection Check status
in the MEASRUEMENT SETUP

CONNECTION SETUP menu. If it's marked with
an OK sign ( ), you can start observing measurements.
4.1.1 Real time measurements
By entering the MEASUREMENTS MENU, the user can observe measured
parameters in real time.
Figure 4-1: Measurement submenu
Figure 4-2: Real time measurements of voltage and current
4.1.2 Recording measurements
Basic tool for a Power Quality survey is recording parameters of an electrical system.
In this step we will create a record and observe it on the instrument, as this is typical
in case we are troubleshooting a problem in the field.
From the Main menu, enter RECORDERS window and then go to the GENERAL REC.
menu. Here the user needs to set up all parameters as shown in the figure below. The
user should set just basic recording parameters in order to get the sense for the data.