④ Three regenerative braking mode ：
A、acceleration pedal part release appear regenerative braking，
B direction reverse regenerative braking，
C、 ramp downslide appear regenerative braking，
Except increase security drive，reclaim part of electric energy，prolong work time of every
time .
⑤ Control speed during downgrade： speed lie on accelerator 。if speed exceed set point，controller
may automatic braking，this give optimal ramp
Notice:
1 .Maintain electric control ，must first cut off electrical source，then hold 10-100ohmic resistance
join controller anode and cathode，release residual voltage in the capacitor, or else you may meet
tip-and-run danger.
2.Magnetic and radiation have some effect to inverter，long time effect may mangle controller, So
need apart form magnetic and radiation.
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