JPS6412438U - - Google Patents
Info
- Publication number
- JPS6412438U JPS6412438U JP10793487U JP10793487U JPS6412438U JP S6412438 U JPS6412438 U JP S6412438U JP 10793487 U JP10793487 U JP 10793487U JP 10793487 U JP10793487 U JP 10793487U JP S6412438 U JPS6412438 U JP S6412438U
- Authority
- JP
- Japan
- Prior art keywords
- power transistor
- electrical equipment
- rectifier
- grounding
- controlled
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rectifiers (AREA)
- Power Conversion In General (AREA)
Description
第１図はこの考案の一実施例による電気機器の
接地装置の回路図、第２図は従来の電気機器の接
地装置の回路図である。
図において、４は変圧器、１２は整流器、１３
はパワートランジスタ、１５はパワートランジス
タの制御装置を示す。なお、図中、同一符号は同
一、又は相当部分を示す。
FIG. 1 is a circuit diagram of a grounding device for electrical equipment according to an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional grounding device for electrical equipment. In the figure, 4 is a transformer, 12 is a rectifier, 13
1 represents a power transistor, and 15 represents a control device for the power transistor. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
し、このパワトランジスタの通電電流を制御し地
絡電流を制御することを特徴とする電気機器の接
地装置。 A grounding device for electrical equipment, characterized in that a rectifier and a power transistor are installed in a grounding circuit, and the current flowing through the power transistor is controlled to control ground fault current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10793487U JPS6412438U (en) | 1987-07-13 | 1987-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10793487U JPS6412438U (en) | 1987-07-13 | 1987-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6412438U true JPS6412438U (en) | 1989-01-23 |
Family
ID=31342795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10793487U Pending JPS6412438U (en) | 1987-07-13 | 1987-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6412438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7545611B2 (en) | 2005-12-02 | 2009-06-09 | Ls Industrial Systems Co., Ltd. | Electric power circuit protecting apparatus using superconductor |
-
1987
- 1987-07-13 JP JP10793487U patent/JPS6412438U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7545611B2 (en) | 2005-12-02 | 2009-06-09 | Ls Industrial Systems Co., Ltd. | Electric power circuit protecting apparatus using superconductor |
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