JPS63118577U - - Google Patents
Info
- Publication number
- JPS63118577U JPS63118577U JP961987U JP961987U JPS63118577U JP S63118577 U JPS63118577 U JP S63118577U JP 961987 U JP961987 U JP 961987U JP 961987 U JP961987 U JP 961987U JP S63118577 U JPS63118577 U JP S63118577U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- secondary winding
- detection device
- disconnection detection
- 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
- 238000004804 winding Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図はこの考案の断線検知装置の一実施例を
示す電気回路図、第２図は他の実施例を示す電気
回路図、第３図、および第４図はそれぞれ従来例
を示す電気回路図。
１……ＰＴ、１′……ＣＴ、１ｂ，１ｂ′……
２次巻線、２……直流電源、３……断線検知用抵
抗。
Fig. 1 is an electrical circuit diagram showing one embodiment of the disconnection detection device of this invention, Fig. 2 is an electrical circuit diagram showing another embodiment, and Figs. 3 and 4 are electrical circuit diagrams showing conventional examples, respectively. figure. 1...PT, 1'...CT, 1b, 1b'...
Secondary winding, 2...DC power supply, 3...Resistance for disconnection detection.
Claims (1)
起される誘起信号をデイジタル継電器に供給する
トランスの２次巻線と直列に抵抗、および直流電
源を接続し、抵抗の両端における電圧を入力とす
る電圧差有無判別手段を設けてなることを特徴と
するトランス２次巻線の断線検知装置。 ２ トランスが変流器である上記実用新案登録請
求の範囲第１項記載のトランス２次巻線の断線検
知装置。 ３ トランスが計器用変圧器である上記実用新案
登録請求の範囲第１項記載のトランス２次巻線の
断線検知装置。 ４ 直流電源が、２次巻線に誘起される誘起信号
の数％の電圧を出力電圧とするものである上記実
用新案登録請求の範囲第１項記載のトランス２次
巻線の断線検知装置。[Scope of Claim for Utility Model Registration] 1. A resistor in series with the secondary winding of a transformer that connects the primary winding to the power transmission system and supplies an induced signal induced in the secondary winding to a digital relay, and a DC power supply. 1. A disconnection detection device for a secondary winding of a transformer, characterized in that the transformer is connected to a resistor, and is provided with a voltage difference determining means that inputs the voltage at both ends of the resistor. 2. A disconnection detection device for a secondary winding of a transformer according to claim 1, wherein the transformer is a current transformer. 3. The disconnection detection device for a secondary winding of a transformer according to claim 1 of the above-mentioned utility model registration, wherein the transformer is a voltage transformer. 4. The disconnection detection device for a transformer secondary winding according to claim 1, wherein the DC power source outputs a voltage that is several percent of the induced signal induced in the secondary winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP961987U JPS63118577U (en) | 1987-01-26 | 1987-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP961987U JPS63118577U (en) | 1987-01-26 | 1987-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63118577U true JPS63118577U (en) | 1988-08-01 |
Family
ID=30795103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP961987U Pending JPS63118577U (en) | 1987-01-26 | 1987-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63118577U (en) |
-
1987
- 1987-01-26 JP JP961987U patent/JPS63118577U/ja active Pending