JPS5615170A - Output current abnormality detector for inverter circuit - Google Patents
Output current abnormality detector for inverter circuitInfo
- Publication number
- JPS5615170A JPS5615170A JP9035779A JP9035779A JPS5615170A JP S5615170 A JPS5615170 A JP S5615170A JP 9035779 A JP9035779 A JP 9035779A JP 9035779 A JP9035779 A JP 9035779A JP S5615170 A JPS5615170 A JP S5615170A
- Authority
- JP
- Japan
- Prior art keywords
- current
- output
- abnormality
- circuit
- inverter circuit
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Static Devices (AREA)
- Power Conversion In General (AREA)
- Inverter Devices (AREA)
Abstract
PURPOSE:To make possible detection of not only load abnormality but also abnormality in the output circuit as the cause of output current abnormality by providing the output current detection circuit on the output side of the invertor circuit in addition to the output side of the AC filter. CONSTITUTION:The current transformers 4a and 4b and the detection circuits 5a and 5b are separately provided to detect the output current on the output side of the AC filter 2 and the inverter circuit 1. When the output current increases in the inverter circuit 1, the current flowing through the current transformer 4b gains but the current of the current transformer 4a does not. On the other hand, when abnormality on the load side increases the load current, the output currents of both the inverter circuit 1 and the AC filter 2 gain. The detection of current of the current transformers 4b and 4a permits the determination of not only the load abnormality but also abnormality in the output circuit side including the inverter transformer 3 and AC filter 2 as a cause of abnormality in the inverter output current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9035779A JPS5615170A (en) | 1979-07-18 | 1979-07-18 | Output current abnormality detector for inverter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9035779A JPS5615170A (en) | 1979-07-18 | 1979-07-18 | Output current abnormality detector for inverter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5615170A true JPS5615170A (en) | 1981-02-13 |
Family
ID=13996273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9035779A Pending JPS5615170A (en) | 1979-07-18 | 1979-07-18 | Output current abnormality detector for inverter circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5615170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020048400A (en) * | 2018-09-14 | 2020-03-26 | 株式会社明電舎 | Short circuit detection device for filter circuit |
-
1979
- 1979-07-18 JP JP9035779A patent/JPS5615170A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020048400A (en) * | 2018-09-14 | 2020-03-26 | 株式会社明電舎 | Short circuit detection device for filter circuit |
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