JPH0210736U - - Google Patents
Info
- Publication number
- JPH0210736U JPH0210736U JP8610988U JP8610988U JPH0210736U JP H0210736 U JPH0210736 U JP H0210736U JP 8610988 U JP8610988 U JP 8610988U JP 8610988 U JP8610988 U JP 8610988U JP H0210736 U JPH0210736 U JP H0210736U
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- grounding
- circuit breaker
- temperature detector
- alarm
- 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
- Emergency Protection Circuit Devices (AREA)
- Protection Of Generators And Motors (AREA)
Description
第１図は、従来の地絡検出装置を示す単線接続
図、第２図はこの考案の一実施例による地絡検出
装置を示す単線接続図である。
１…母線、２…電気機器、３…遮断器、４…接
地変圧器、５…接地抵抗器、６…地絡継電器、７
…配電盤、８…接地点、９…温度検出器、１０…
検出装置、１１…警報装置。なお、図中、同一符
号は同一または相当部分を示す。
FIG. 1 is a single-line connection diagram showing a conventional ground fault detection device, and FIG. 2 is a single-line connection diagram showing a ground fault detection device according to an embodiment of the invention. 1... Bus bar, 2... Electrical equipment, 3... Circuit breaker, 4... Earthing transformer, 5... Earthing resistor, 6... Earth fault relay, 7
...Switching board, 8...Grounding point, 9...Temperature detector, 10...
Detection device, 11...Alarm device. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
機器、この電気機器と接地点との間に接続された
接地抵抗器、上記遮断器から上記接地に至る回路
に地絡を生じたときに上昇する上記接地抵抗器の
温度を検出する温度検出器、この温度検出器から
の信号に応じて警報を出力する警報装置を備えた
地絡検出装置。 When a ground fault occurs in a de-grounded electrical device connected to the bus bar via a circuit breaker, a grounding resistor connected between this electrical device and the grounding point, or a circuit from the circuit breaker to the grounding point. A ground fault detection device comprising: a temperature detector that detects the rising temperature of the grounding resistor; and an alarm device that outputs an alarm in response to a signal from the temperature detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8610988U JPH0210736U (en) | 1988-06-28 | 1988-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8610988U JPH0210736U (en) | 1988-06-28 | 1988-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0210736U true JPH0210736U (en) | 1990-01-23 |
Family
ID=31310753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8610988U Pending JPH0210736U (en) | 1988-06-28 | 1988-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0210736U (en) |
-
1988
- 1988-06-28 JP JP8610988U patent/JPH0210736U/ja active Pending
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