Overload protection system for power inverter

Details Overload protection system for power inverter Overload protection system for power inverter

1976-11-15

1977-10-04

Shoop, William M.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 89, H02M 118

Patent

active

040526593

ABSTRACT:
An overload protection system for a power inverter utilizes a first circuit for monitoring current to the load from the power inverter to detect an overload and a control circuit to shut off the power inverter when an overload condition is detected. At the same time a monitoring current inverter is turned on to deliver current to the load at a very low power level. A second circuit monitors current to the load from the monitoring current inverter to hold the power inverter off through the control circuit unitl the overload condition is cleared so that the control circuit may be deactivated in order for the power inverter to be restored after the monitoring current inverter is turned off completely.

REFERENCES:
patent: 3249769 (1966-05-01), Mierendorf
patent: 3668509 (1972-06-01), Riebs et al.
patent: 3979644 (1976-09-01), Everhart

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