发明名称 |
Method for recording the temperature of the carrier liquid of a rotary pump |
摘要 |
The method involves determining temperature (Tm) of a rotor by using electrical variables of a motor and determining temperature of delivery fluid by using rotor temperature. The temperature of the rotor is equated with that of the delivery fluid and the motor is activated by a frequency converter, where the temperature determination of the rotor is effected by using electronics of the converter. The temperature evaluation of the rotor is effected by using a digital frequency converter control, and magnetic flux (Lamda m) of the rotor is determined for the determination of rotor temperature. |
申请公布号 |
EP2006545(A1) |
申请公布日期 |
2008.12.24 |
申请号 |
EP20070012018 |
申请日期 |
2007.06.20 |
申请人 |
GRUNDFOS MANAGEMENT A/S |
发明人 |
KALLESOEE, CARSTEN SKOVMOSE;KRAGH, HENRIK |
分类号 |
F04D13/06;F04D15/00;H02P29/00 |
主分类号 |
F04D13/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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