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Electric Backup Hydraulic Actuation (EBHA)
Brand: Parker HannifinElectric backup hydraulic actuation systems operate as a conventional electrohydraulic servoactuator when normal aircraft hydraulic system is available and as an electrohydrostatic actuator upon loss of the aircraft hydraulic system.
Parker Aerospace designs and manufactures electric backup hydraulic actuation (EBHA) systems. An EBHA is a conventional electrohydraulic servoactuator with a backup EHA in one integrated package.
This result in an actuator that is smaller and lighter than dual tandem or two independent simplex actuators. EHBAs allow higher surface availability, or probability loss of function (PLOF), than with a single actuator.
A single EBHA can replace dual tandem or multiple simplex actuators primarily used to address loss of the hydraulic system. EBHAs incorporate an independent power source to mitigate potential common mode failures.
Features- Fault tolerant and fail-safe designs
- Integrated brushless DC motor/pump design for optimum performance and efficiency
- Reservoir:
Specifications
Brand
Electrical Output Range
- 28 Vdc, 270 Vdc, 115 Vac with Transformer Rectifier Unit
Operating Pressure (psig)
- 3000 to 5000 psig Range
Output HP Rating
- 1 Kw (1.5 hp) to 15 Kw (20 hp)
Stroke Range
- More Than 5”
Temperature Range (°F)
- -65° to 275° F
- Business jets
- Commercial transport aircraft
- Military transport aircraft