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Real-time power-line sag monitoring using time-synchronized power system measurements

机译：使用时间同步的电力系统测量值实时监测电力线垂度

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摘要

A sag calculator (112) computes sag for a span of a line section based at least in part upon an average temperature of the conductors in the line section. A temperature calculator (110) determines the temperature by ascertaining an ohmic resistance of the conductor lines based at least in part upon time-synchronized power system voltage and current measurements such as (but not limited to) phasor measurements generated by phasor measurement units (104, 106). The temperature calculator (110) determines the temperature as a function of the ohmic resistance.

机译：垂度计算器（ 112 ）至少部分地基于线段中导体的平均温度来计算线段跨度的垂度。温度计算器（ 110 ）通过至少部分基于时间同步的电力系统电压和电流测量（例如，但不限于相量测量）来确定导线的欧姆电阻，从而确定温度由相量测量单位（ 104、106 ）生成。温度计算器（ 110 ）根据欧姆电阻确定温度。 展开▼

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公开/公告号US7620517B2

专利类型

公开/公告日2009-11-17

原文格式PDF

申请/专利权人 ERNST SCHOLTZ;REYNALDO F. NUQUI;DANNY JULIAN;ALAN R. GRIGHTMIRE;
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申请/专利号US20070671098

发明设计人 REYNALDO F. NUQUI;ERNST SCHOLTZ;DANNY JULIAN;ALAN R. GRIGHTMIRE;
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申请日2007-02-05

分类号G01K7/00;

国家 US

入库时间 2022-08-21 18:48:41

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