JPH0249327U - - Google Patents
Info
- Publication number
- JPH0249327U JPH0249327U JP12572788U JP12572788U JPH0249327U JP H0249327 U JPH0249327 U JP H0249327U JP 12572788 U JP12572788 U JP 12572788U JP 12572788 U JP12572788 U JP 12572788U JP H0249327 U JPH0249327 U JP H0249327U
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- fault detection
- frequency
- variable
- voltage
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Generators And Motors (AREA)
- Protection Of Static Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12572788U JPH0249327U (sv) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12572788U JPH0249327U (sv) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249327U true JPH0249327U (sv) | 1990-04-05 |
Family
ID=31376590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12572788U Pending JPH0249327U (sv) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249327U (sv) |
-
1988
- 1988-09-28 JP JP12572788U patent/JPH0249327U/ja active Pending