FIELD-WINDING ROTATING ELECTRICAL MACHINE

摘要

A field current limiting section includes a field current limitation instructing section for, when a field current limitation determining section determines that a determination value has reached a predetermined determination threshold value, generating a field current limiting instruction to a field current control section so as to limit field current to be equal to or smaller than a predetermined permissible value during a predetermined field current limitation time Tlim. A field current limitation releasing section outputs a field current limitation releasing instruction to the field current limiting section so as to release limitation of the field current during a predetermined field current limitation release time TC. When having received the field current limitation releasing instruction from the field current limitation releasing section, the field current limiting section releases limitation of the field current during the predetermined field current limitation release time.

主权项

1. A field-winding rotating electrical machine comprising:
a motor generator having a field winding; a field current detecting section for detecting field current flowing in the field winding; a field current control section for controlling the field current; a field current limiting section including a field current limitation determining section for calculating a determination value based on the field current detected by the field current detecting section and determining whether or not the determination value has reached a predetermined determination threshold value, and a field current limitation instructing section for, when the field current limitation determining section determines that the determination value has reached the predetermined determination threshold value, generating a field current limiting instruction to the field current control section so as to limit the field current to be equal to or smaller than a predetermined permissible value during a predetermined field current limitation time; and a field current limitation releasing section for outputting a field current limitation releasing instruction to the field current limiting section so as to release limitation of the field current during a predetermined field current limitation release time, wherein the field current limiting section, when having received the field current limitation releasing instruction from the field current limitation releasing section, releases limitation of the field current during the predetermined field current limitation release time.