초록 ▼

A solid state power controller apparatus can include an on/off-current limit controller, a pre-charge controller coupled to the on/off-current limit controller, an active damper controller coupled to the on/off-current limit controller and a main switch coupled to and responsive to on/off and protec

A solid state power controller apparatus can include an on/off-current limit controller, a pre-charge controller coupled to the on/off-current limit controller, an active damper controller coupled to the on/off-current limit controller and a main switch coupled to and responsive to on/off and protective commands from the on/off-current limit controller.

대표청구항 ▼

1. A solid state power controller (SSPC) apparatus, comprising: an on/off-current limit controller;a pre-charge controller coupled to the on/off-current limit controller;an active damper controller coupled to the on/off-current limit controller;a main switch coupled to and responsive to on/off and p

1. A solid state power controller (SSPC) apparatus, comprising: an on/off-current limit controller;a pre-charge controller coupled to the on/off-current limit controller;an active damper controller coupled to the on/off-current limit controller;a main switch coupled to and responsive to on/off and protective commands from the on/off-current limit controller; anda first auxiliary switch coupled to the active damper controller; anda damping resistor coupled to the third auxiliary switch. 2. The apparatus as claimed in claim 1 further comprising: a second auxiliary switch coupled to the on/off-current limit controller; anda current limiting resistor coupled to the first auxiliary switch. 3. The apparatus as claimed in claim 1 further comprising: a third auxiliary switch coupled to the pre-charge controller; anda pre-charge resistor coupled to the second auxiliary switch. 4. The apparatus as claimed in claim 3 further comprising a voltage sensor disposed between the pre-charge controller and the pre-charge resistor. 5. The apparatus as claimed in claim 4 wherein the voltage sensor is configured to detect over/under voltage conditions. 6. The apparatus as claimed in claim 1 wherein the active damper controller is configured to turn the third auxiliary switch on and off. 7. The apparatus as claimed in claim 1 further comprising a SSPC current sensor coupled to the on/off-current limit controller and to the main switch and configured to detect an over-current condition. 8. The apparatus as claimed in claim 7 wherein the SSPC current sensor is further configured to detect a repetitive low over-current condition. 9. A solid state power controller (SSPC) system, comprising: a SSPC apparatus, including: an on/off-current limit controller;a pre-charge controller coupled to the on/off-current limit controller;an active damper controller coupled to the on/off-current limit controller;a main switch coupled to and responsive to on/off and protective commands from the on/off-current limit controller;a first auxiliary switch coupled to the active damper controller; anda damping resistor coupled to the third auxiliary switch;a direct current (DC) power source coupled to the SSPC apparatus;a constant power load; andan input filter disposed between the constant power load and the SSPC apparatus. 10. The system as claimed in claim 9 further comprising: a second auxiliary switch coupled to the on/off-current limit controller; anda current limiting resistor coupled to the first auxiliary switch. 11. The system as claimed in claim 9 further comprising: a third auxiliary switch coupled to the pre-charge controller; anda pre-charge resistor coupled to the second auxiliary switch. 12. The system as claimed in claim 11 further comprising a voltage sensor disposed between the pre-charge controller and the pre-charge resistor. 13. The apparatus as claimed in claim 12 wherein the voltage sensor is configured to detect over/under voltage conditions. 14. The apparatus as claimed in claim 9 wherein the active damper controller is configured to turn the third auxiliary switch on and off. 15. The system as claimed in claim 9 further comprising a first current sensor coupled to the on/off-current limit controller and to the main switch and configured to detect and over-current condition. 16. The apparatus as claimed in claim 9 wherein the first current sensor is further configured to detect a repetitive low over-current condition. 17. The apparatus as claimed in claim 9 further comprising a second current sensor disposed in the input filter and coupled to the active damper controller.