US 12,248,030 B2
Test arrangement for testing a power electronics controller, and power electronics module for such a test arrangement
Joerg Bracker, Paderborn (DE); and Daniel Epping, Paderborn (DE)
Assigned to DSPACE GMBH, Paderborn (DE)
Filed by dSPACE GmbH, Paderborn (DE)
Filed on Nov. 29, 2022, as Appl. No. 18/059,486.
Claims priority of application No. 21211759 (EP), filed on Dec. 1, 2021.
Prior Publication US 2023/0168313 A1, Jun. 1, 2023
Int. Cl. G01R 31/40 (2020.01); G01R 31/42 (2006.01); H02J 3/00 (2006.01)
CPC G01R 31/42 (2013.01) [H02J 3/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A test arrangement for testing a power electronics controller, wherein the power electronics controller has supply connections for supplying energy and load connections for controlling an electrical load, the test arrangement comprising:
a plurality of power electronics modules, wherein each power electronics module comprises:
supply connections for supplying energy;
at least one load connection for providing at least one electrical connection variable;
a supply circuit for providing electrical control voltages;
a selection circuit having circuit breakers for switching one of the electrical control voltages onto the at least one load connection of the power electronics module; and
an interface for controlling the circuit breakers;
wherein the test arrangement is configured to simulate an environment of the power electronics controller for testing the power electronics controller, wherein simulating the environment of the power electronics controller comprises both the supply connections of the power electronics controller and the load connections of the power electronics controller each being respectively connected to at least one respective load connection of a power electronics module and at least one respective electrical connection variable being provided at the supply connections of the power electronics controller and the load connections of the power electronics controller;
wherein the supply connections of the power electronics modules are connected to one another via an electrical intermediate network;
wherein the supply connections of the power electronics modules are AC supply connections;
wherein the electrical intermediate network is an AC intermediate network;
wherein the supply circuits of the power electronics modules are multi-phase circuits for providing a plurality of phase voltages on a plurality of phase conductors; and
wherein the selection circuits of the power electronics modules connect phase conductors to the load connections of the power electronics modules.