EL DC Instalation and operation manual v13.docx
7 / 56
2. PRESENTATION
2.1. Introduction
As an electronic load, the EL is designed to test electric and electronic equipment in linear and
non-linear DC loading. It allows to verify the functionality of the Equipment Under Test (EUT) in
normal and fault operation.
The main functionalities of the EL are the following:
- It converts the AC input, of the main grid, in a controlled DC output by using an IGBT-
based switching topology and DSP-based state-of-the-art digital control.
- It can be operated as:
o CI: Constant Impedance output
o CC: Constant Current output
o CP: Constant Power output
o CV: Constant Voltage output
- As a bidirectional converter, energy can flow from the grid to the EUT or viceversa. It
allows energy saving during the tests by returning energy to the power grid.
- The AC current consumed from the grid is sinusoidal (THD < 6%).
- The user can define the reactive power to be injected by the EL and also choose between
capacitive or inductive.
The power range covered by the EL electronic loads goes from 6.75 to 160kW. The parallelization
of ELs is also possible to increase power:
To Next Page
Loading...