JPH0363918U - - Google Patents
Info
- Publication number
- JPH0363918U JPH0363918U JP12489089U JP12489089U JPH0363918U JP H0363918 U JPH0363918 U JP H0363918U JP 12489089 U JP12489089 U JP 12489089U JP 12489089 U JP12489089 U JP 12489089U JP H0363918 U JPH0363918 U JP H0363918U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- time
- contact
- circuit
- demagnetizing
- 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
- 230000002238 attenuated effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図はこの考案の実施例を示す回路図、第２
図は上記実施例における各部の波形タイムチヤー
ト、第３図ａとｂは直流キツク法による従来の極
性試験を説明するための回路図である。
図において、１，１１……直流電圧、２……押
ボタンスイツチ、３，５，７……補助リレー、４
，６……タイマー、８……消磁完了用接点、１２
……変成器（ＣＴまたはＰＴ）、１３……直流電
流計、１４……消磁回路である減衰交流発生回路
。なお、図中、同一符号は同一または相当部分を
示す。
Figure 1 is a circuit diagram showing an embodiment of this invention, Figure 2 is a circuit diagram showing an embodiment of this invention.
The figure is a waveform time chart of each part in the above embodiment, and FIGS. 3a and 3b are circuit diagrams for explaining a conventional polarity test using the DC kick method. In the figure, 1, 11...DC voltage, 2...Push button switch, 3, 5, 7...Auxiliary relay, 4
, 6... Timer, 8... Demagnetization completion contact, 12
... transformer (CT or PT), 13 ... DC ammeter, 14 ... damped AC generating circuit which is a degaussing circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
ボタンスイツチの投入により、この接点を一定時
間だけ閉路する制御回路および上記変成器に消磁
用減衰交流電圧を供給する消磁回路を有し、上記
制御回路は上記接点の上記一定時間経過後の開路
後、上記消磁回路を一定時間だけ出力動作させる
ことを特徴とする変成器の極性試験装置。 It has a contact inserted between the transformer and the DC power source, a control circuit that closes this contact for a certain period of time when a push button switch is turned on, and a demagnetizing circuit that supplies a demagnetizing attenuated AC voltage to the transformer, A polarity testing device for a transformer, wherein the control circuit causes the degaussing circuit to perform an output operation for a predetermined period of time after the contact is opened after the elapse of the predetermined period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12489089U JPH0363918U (en) | 1989-10-24 | 1989-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12489089U JPH0363918U (en) | 1989-10-24 | 1989-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363918U true JPH0363918U (en) | 1991-06-21 |
Family
ID=31672785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12489089U Pending JPH0363918U (en) | 1989-10-24 | 1989-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363918U (en) |
-
1989
- 1989-10-24 JP JP12489089U patent/JPH0363918U/ja active Pending