通用型变频器加减速时间参数设置步骤

 

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变频器加速时间就是输出频率从0上升到最大频率所需时间，减速时间是指从最大频率下降到0所需时间。通常变频器用频率设定信号上升、下降来确定加减速时间。在电动机加速时须限制频率设定的上升率以防止过电流，减速时则限制下降率以防止过电压。

通用型变频器加减速时间参数设置步骤

通用型变频器加速时间设定要求：将加速电流限制在变频器过电流容量以下，不使过流失速而引起变频器跳闸。

通用型变频器加减速时间参数设置步骤

通用型变频器减速时间设定要点是：防止平滑电路电压过大，不使再生过压失速而使变频器跳闸。通用型变频器加减速时间可根据负载计算出来，但在调试中常采取按负载和经验先设定较长加减速时间，通过起、停电动机观察有无过电流、过电压报警；然后将加减速设定时间逐渐缩短，以运转中不发生报警为原则，重复操作几次，便可确定出最佳加减速时间。

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Steps for setting acceleration and deceleration time parameters of universal frequency converter

 

 

 

Steps for setting acceleration and deceleration time parameters of bongrui universal frequency converter. Below we on yongbang production of general inverter how to speed up and speed down the time parameter Settings for a detailed description

 

The acceleration time of frequency converter is the time needed for the output frequency to rise from 0 to the maximum frequency, and the deceleration time is the time needed for the decrease from the maximum frequency to 0. Usually frequency converter set signal rise, fall to determine acceleration and deceleration time. In the case of motor acceleration, the rise rate set by the frequency should be limited to prevent overcurrent, while in the case of deceleration, the fall rate should be limited to prevent overvoltage.

 

Steps for setting acceleration and deceleration time parameters of universal frequency converter

 

General frequency converter acceleration time setting requirements: the acceleration current is limited to the frequency converter overcurrent capacity, not to cause the frequency converter tripping.

 

Steps for setting acceleration and deceleration time parameters of universal frequency converter

 

The key points of setting the deceleration time of universal frequency converter are: to prevent the smooth circuit voltage from being too high, and not to make the regenerative overvoltage stall and make the frequency converter trip. The acceleration and deceleration time of general frequency converter can be calculated according to the load, but in the debugging, it is often adopted to set a long acceleration and deceleration time according to the load and experience, and observe whether there is over-current and over-voltage alarm through the starting and power failure motive. Then, the acceleration and deceleration setting time is gradually shortened, and the optimal acceleration and deceleration time can be determined by repeating the operation for several times in accordance with the principle that no alarm occurs in the operation.

 

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