US 2026/0299048 A1 · Fault Determination Apparatus and Method for Three-Phase Dual Active Bridge Converter, And Electronic Device

Abstract

A fault determination apparatus and method for a three-phase dual active bridge converter, and an electronic device. The fault determination apparatus includes a signal acquisition unit and a processing unit. The signal acquisition unit is connected to each of three bridge arm switch node points on a primary side of the three-phase dual active bridge converter and is configured to acquire voltages between two bridge arm switch node points of the three bridge arm switch node points on the primary side. The processing unit is connected to the signal acquisition unit and is configured to determine whether a fault occurs in the three-phase dual active bridge converter according to a relative relationship between a sequence change of the voltages and a normal sequence change.

Claims15

Dependent claims

A fault determination apparatus for a three-phase dual active bridge converter, comprising:

a signal acquisition unit connected to each of three bridge arm switch node points on a primary side of the three-phase dual active bridge converter and configured to acquire voltages between two bridge arm switch node points of the three bridge arm switch node points on the primary side;
and
a processing unit connected to the signal acquisition unit and configured to determine whether a fault occurs in the three-phase dual active bridge converter according to a relative relationship between a sequence change of the voltages and a normal sequence change.

A fault determination method for a three-phase dual active bridge converter, comprising:

acquiring voltages between two bridge arm switch node points on a primary side of the three-phase dual active bridge converter;
and
determining whether a fault occurs in the three-phase dual active bridge converter according to a relative relationship between a sequence change of the voltages and a normal sequence change.

An electronic device, comprising:

at least one processing unit;
and
a memory which is in a communication connection with the at least one processing unit;
wherein the memory stores a computer program executable by the at least one processing unit, and the computer program is executed by the at least one processing unit to enable the at least one processing unit to execute;
acquiring voltages between two bridge arm switch node points on a primary side of the three-phase dual active bridge converter;
and
determining whether a fault occurs in the three-phase dual active bridge converter according to a relative relationship between a sequence change of the voltages and a normal sequence change.

4 more elements

Dependencies are inferred from the claim text.

Fault Determination Apparatus and Method for Three-Phase Dual Active Bridge Converter, And Electronic Device

Life of this patent

Fault Determination Apparatus and Method for Three-Phase Dual Active Bridge Converter, And Electronic Device

Life of this patent

Abstract

Claims15