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发明名称
马达电力转换装置
摘要
铁损为马达之损耗之一,铁损于马达之高速区域急遽变大,基于马达之电流检测之电流平方时间积固定地进行动作之过载检测用电子热无法保护马达。未对马达之绕组安装温度检测器,即可正确地检测铜损、铁损、机械损耗、杂散负载损耗等总损耗,并进行马达之过载检测保护。将除包含铜损以外亦包含铁损或难以定量地预测之杂散负载损耗、机械损耗的总损耗,作为自马达输入电力中减去输出电力所得之总损耗而进行计算,马达于包含动力运行、再生运转之4象限运转中亦始终进行计算并检测,且由总损耗时间积固定地进行动作之过载保护用电子热而实现。
申请公布号
TW201541852
申请公布日期
2015.11.01
申请号
TW104103617
申请日期
2015.02.03
申请人
日立产机系统股份有限公司 HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
发明人
小林澄男 KOBAYASHI, SUMIO;高濑真人 TAKASE, MAKOTO
分类号
H02P27/06(2006.01);G01R31/34(2006.01);H02H7/085(2006.01)
主分类号
H02P27/06(2006.01)
代理机构
代理人
陈长文
主权项
地址
日本 JP
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