Question

Multisim10仿真时提示错误

这是一个四路可调直流电压源，在仿真时提示：：：：
MULTISIM CONVERGENCE ASSISTANT SUMMARY REPORT Convergence Assistant Summary Report
Outcome:
The simulation error was corrected successfully.
Changes Made:
-MaximumTimestep (TMAX) was changed to 1.0000e-003

MULTISIM CONVERGENCE ASSISTANT LOG Step 1: Verifying Error Scenario ...completed.
Step 2: Setting parameter Integration Method (METHOD) to 齿轮 Simulating... ...completed. Simulation error still occurs.
Step 3: Setting parameter 初始条件 to 设置为0 Simulating... ...completed. Simulation error still occurs.
Step 4: Setting parameter MaximumTimestep (TMAX) to 1.0000e-003 Simulating... ...completed. Simulation error fixed.
Step 5: Attempting rollback of 初始条件 to 用户定义 Simulating... ...Rollback successful.
Step 6: Attempting rollback of MaximumTimestep (TMAX) to 1.0000e-004 Simulating... ...Error recurred - rollback unsuccessful.
Step 7: Restoring value of MaximumTimestep (TMAX) to 1.0000e-003
Step 8: Attempting rollback of Integration Method (METHOD) to 齿轮 Simulating... ...Rollback successful.
Convergence Assistant completed successfully. 不知道是电路哪里错了，求帮助！！！！

Answer 1

由电路中，电容较多且容值较大，仿真的速度没法协调，建议先画一路运行试试，还可以去掉稳压后滤波电容。
另外，你的交流电源参数设错了，是220V 50Hz，你输成50kHz

追问

嗯，这个电路有错误吗？

追答

317 337电路错了，少了个取样电阻，对照一下数据手册