JPS5448051A - Locating temperature sensing wire operating element position - Google Patents
Locating temperature sensing wire operating element positionInfo
- Publication number
- JPS5448051A JPS5448051A JP11527277A JP11527277A JPS5448051A JP S5448051 A JPS5448051 A JP S5448051A JP 11527277 A JP11527277 A JP 11527277A JP 11527277 A JP11527277 A JP 11527277A JP S5448051 A JPS5448051 A JP S5448051A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- section
- sensing wire
- compensating
- cores
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Locating Faults (AREA)
Abstract
PURPOSE: To enable an operation for correctly and pormptly locating a position of operating temperature sensor element within the section, by means of compensating a resistance value of control cable, with a compensating resistor, making a connection between a section the operating temperature sensor element is placed and a point an alarm is received.
CONSTITUTION: If a wrong resistor 4 is present between cores 1a-1, 1a-2 of a tem16 perature sensing wire 1a in a section a, with a line resistacne of the temperature sensing wire 1a abnormally leceling down below a normal state, the supervisory unit will monitor to catch a persence of locally high temperature point within the section a through a change of resistance value or current value between a terminal 5a. After the wrong resistor 4 is made known being present within the section a, a resistacne of control cable cores 14b to 14e, between a terminal box 2a' and a terminal 5e, is compensated by a compensating resistor 16, and a resistance of one of the cores in a control cable 3a, between the terminal box 2a' and a switch 7, is compensated by a compensating resistor 15a, thus enabling a distance made known from the terminal box 2a' to a position where the worng resistor 4 is present
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11527277A JPS5448051A (en) | 1977-09-26 | 1977-09-26 | Locating temperature sensing wire operating element position |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11527277A JPS5448051A (en) | 1977-09-26 | 1977-09-26 | Locating temperature sensing wire operating element position |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5448051A true JPS5448051A (en) | 1979-04-16 |
Family
ID=14658546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11527277A Pending JPS5448051A (en) | 1977-09-26 | 1977-09-26 | Locating temperature sensing wire operating element position |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5448051A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6191576A (en) * | 1984-10-12 | 1986-05-09 | Sumitomo Electric Ind Ltd | Detection of trouble section for power cable |
JPS6355472A (en) * | 1986-05-14 | 1988-03-09 | Sumitomo Electric Ind Ltd | Detecting method for accident section of power cable |
-
1977
- 1977-09-26 JP JP11527277A patent/JPS5448051A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6191576A (en) * | 1984-10-12 | 1986-05-09 | Sumitomo Electric Ind Ltd | Detection of trouble section for power cable |
JPS6355472A (en) * | 1986-05-14 | 1988-03-09 | Sumitomo Electric Ind Ltd | Detecting method for accident section of power cable |
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