发明名称 |
VERFAHREN ZUR ERMITTLUNG DES RISIKOS FÜR EINEN STÖRUNGSFREIEN BETRIEB EINES FREQUENZUMRICHTERS |
摘要 |
<p>The method involves measuring an intermediate circuit voltage (UZK) and determining a network-side intermediate circuit current (iZKnetz) during the operation of a frequency converter (2). These measuring quantities are compared with preset operating values of the converter. The frequency of the higher and lower measuring quantities is determined and converted into a characteristic number for the quality of a feeding network (18).</p> |
申请公布号 |
DE502005007949(D1) |
申请公布日期 |
2009.10.01 |
申请号 |
DE20055007949T |
申请日期 |
2005.06.21 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
SCHIERLING, HUBERT |
分类号 |
H02M1/00;H02M1/32;H02M5/458 |
主分类号 |
H02M1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|