The MGB Electric Sports Car

Analysis by Warren Winovich

Page 10



Curtis three-phase inverter/controller

model 1238-75

Specifications

voltage input96 Volts, direct current
power rating20 kW, continuous:
70 Volts @ 165 Amps, 3-phase, AC
62 kW, short-term: 2 minutes:
70 Volts @ 550 Amps, 3-phase, AC
frequency 0 to 220 Hz:
synchronous speed: 6600 rpm
motorspeed @ 10 kW: 6435 rpm
efficiency94%
regeneration programmable550 Amps, maximum
length, width, height10.75, 9.25, 4 inches
weight25 pounds
ControllerCurtis three-phase inverter; 120 Volts


Figure 3. The low-voltage Curtis three-phase inverter/controller installed in the MGB electric-powered roadster.

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