RSBJEUM0001-0101 Rev. 1.01
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disabled, the motor work mode come back turnoff mode.
No intervals of zero-crossing of induced voltages are detected when counter of zero-crossing
interval exceeds certain values, the motor work mode change into turnon mode.
3.2 Condition Description
Condition number
Description
①
Rotation speed command is not equal to zero
②
The three phase IGBT charging process is over
③
Motor rotation speed is synchronous to rotate magnetic field frequency after passing
some carrier wave cycle interrupts
④
No rotation speed command
⑤
⑥
⑦
Rotation speed command is equal to zero or three phase motor output control timer
disable
⑧
No intervals of zero-crossing of induced voltages are detected
⑨
The three phase IGBT charging process is not over
⑩
Don’t satisfied condition No.3 and No.6
Always acquire accurate motor position information
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