JPS62109430U - - Google Patents
Info
- Publication number
- JPS62109430U JPS62109430U JP20010485U JP20010485U JPS62109430U JP S62109430 U JPS62109430 U JP S62109430U JP 20010485 U JP20010485 U JP 20010485U JP 20010485 U JP20010485 U JP 20010485U JP S62109430 U JPS62109430 U JP S62109430U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- phase
- transformer
- wire system
- input
- 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
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ac-Ac Conversion (AREA)
Description
第１図は本考案の入力電圧切り替え器付変圧器
の接続構造図、第２図は本考案の一実施例の斜視
図、第３図は入力電圧切り替え表の一例図である
。
第１図において、１は三相三線式の配電方式、
２は三相四線式の配電方式、３は変圧器、４は中
性線切り替え端子部、５は電圧切り替え端子部、
６は入力電圧切り替え器である。
FIG. 1 is a connection structure diagram of a transformer with an input voltage switching device according to the present invention, FIG. 2 is a perspective view of an embodiment of the present invention, and FIG. 3 is an example of an input voltage switching table. In Figure 1, 1 is a three-phase three-wire power distribution system;
2 is a three-phase four-wire power distribution system, 3 is a transformer, 4 is a neutral line switching terminal section, 5 is a voltage switching terminal section,
6 is an input voltage switcher.
Claims (1)
相三線式１または３８０〜４１５Ｖ三相四線式２
の一相を入力電圧とする変圧器３において、 供給電圧の配電方式に応じて中性線を選択する
中性線切り替え端子部４と、 入力電圧の高低に応じて変圧器一次側電圧入力
端子を選択する電圧切り替え端子部５とを該変圧
器３に付設し、 三相四線式２の一相を入力電圧とする場合には
１／√３の電圧を、三相三線式１の電圧と対応す
る該電圧切り替え端子部５に接続することを特徴
とした入力電圧切り替え器付変圧器。[Claims for Utility Model Registration] 200-240V three-phase three-wire system 1 or 380-415V three-phase four-wire system 2 supplied from a low-voltage distribution line
In the transformer 3 that uses one phase as the input voltage, there is a neutral wire switching terminal section 4 that selects the neutral wire depending on the distribution method of the supply voltage, and a transformer primary side voltage input terminal that selects the neutral wire depending on the level of the input voltage. A voltage switching terminal unit 5 is attached to the transformer 3 to select a voltage of 1/√3 when one phase of the three-phase four-wire system 2 is used as the input voltage, and a voltage of 1/√3 is applied to the voltage of the three-phase three-wire system 1. A transformer with an input voltage switch, characterized in that it is connected to the corresponding voltage switch terminal section 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20010485U JPS62109430U (en) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20010485U JPS62109430U (en) | 1985-12-26 | 1985-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62109430U true JPS62109430U (en) | 1987-07-13 |
Family
ID=31162306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20010485U Pending JPS62109430U (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109430U (en) |
-
1985
- 1985-12-26 JP JP20010485U patent/JPS62109430U/ja active Pending