Start Boost System (SBS) For Engine Starting System

Improve your battery performances in all conditions

  • The SBS provides extra energy on the 28Vdc H/C network during engine start-up in order to enhance the characteristic torque versus speed provided by the DC starter-generator.
  • The SBS demonstrator system is composed of two sub-assemblies :
    • The SCAP module having a total of 1000 Farad super capacitors (Modular Box 500 to 1000F)
    • The DC-DC converter including input contactor

Key features

  • Bi-directional DC6DC
  • High current 500A
  • Cooled FET on PCB
  • Switching frequency 100kHz

Applications

  • Helicopters
  • Business Jet

Specifications

Electrical


Input voltage

V= 0 to 16 VSCAP and 20V to 30H/C Bus



SCAP current

125 A 500 A (buck mode) 500 A (boost mode)



Four phase based on parallelized MOSFET (75-1,8 mΩ Direct FET) mounted on PCB.

High switching frequency (>100 Khz)
Standard protection (short circuit, overheating, overvoltage, EMI)

Physical


Width

290 mm


Height

90 mm


Depth

180 mm


Weight

2 950g

Environmental


Temperature

-45°C to +70°C (normal operating conditions)


Certification approvals

ABD 100
DO 160 – sect 10
EN 2282ABD

Note: Due to continuous process improvement, specifications are subject to change without notice

Functional diagram