变频器转矩提升

<section><section><section><section><section><section><br/></section></section></section></section></section></section><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-align: justify; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 15px; font-family: Helvetica, Arial, sans-serif;">又叫转矩补偿，是为补偿因电动机定子绕组电阻所引起的低速时转矩降低，而把低频率范围f/V增大的方法。设定为自动时，可使加速时的电压自动提升以补偿起动转矩，使电动机加速顺利进行。如采用手动补偿时，根据负载特性，尤其是负载的起动特性，通过试验可选出较佳曲线。对于变转矩负载，如选择不当会出现低速时的输出电压过高，而浪费电能的现象，甚至还会出现电动机带负载起动时电流大，而转速上不去的现象。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-align: justify; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br/></p><p><br/></p>