JPH02110945U - - Google Patents
Info
- Publication number
- JPH02110945U JPH02110945U JP1974589U JP1974589U JPH02110945U JP H02110945 U JPH02110945 U JP H02110945U JP 1974589 U JP1974589 U JP 1974589U JP 1974589 U JP1974589 U JP 1974589U JP H02110945 U JPH02110945 U JP H02110945U
- Authority
- JP
- Japan
- Prior art keywords
- busbars
- control signal
- terminals
- phase
- load balancer
- 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
- 238000003466 welding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図は、本考案の一実施例の３相負荷バラン
サを示す回路図、第２図は、同３相負荷バランサ
の制御部を示すブロツク図、第３図は従来の配線
方式の一例を示す回路図である。
１……トランス、２……母線、６……ＣＴ、７
……制御部、１０……切替スイツチ、１１……入
力端子、１２……出力端子、１３，１４……サイ
リスタブロツク、５１……溶接機。
Fig. 1 is a circuit diagram showing a three-phase load balancer according to an embodiment of the present invention, Fig. 2 is a block diagram showing the control section of the same three-phase load balancer, and Fig. 3 is an example of a conventional wiring system. FIG. 1...Transformer, 2...Bus bar, 6...CT, 7
...Control unit, 10...Selector switch, 11...Input terminal, 12...Output terminal, 13, 14...Thyristor block, 51...Welding machine.
Claims (1)
にそれぞれ設けた計器用変流器と、 該計器用変流器の検出値を比較し、比較結果に
基づいて制御信号を出力する制御部と、 前記３本の母線にそれぞれ接続する３個の入力
端子および抵抗溶接機に接続する２個の出力端子
を有し、前記制御信号に応動し、前記入力端子の
うち２個を選択してこれを前記出力端子に接続す
る切替スイツチと、を備えたことを特徴とする３
相負荷バランサ。[Scope of Claim for Utility Model Registration] A voltage transformer installed on each of the three busbars of R, S, and T connected to a three-phase AC power supply is compared with the detected value of the current transformer, and the comparison result is a control unit that outputs a control signal based on the control signal, three input terminals respectively connected to the three busbars, and two output terminals connected to the resistance welding machine; 3. A changeover switch that selects two of the terminals and connects them to the output terminal.
Phase load balancer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974589U JPH02110945U (en) | 1989-02-22 | 1989-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974589U JPH02110945U (en) | 1989-02-22 | 1989-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02110945U true JPH02110945U (en) | 1990-09-05 |
Family
ID=31235525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1974589U Pending JPH02110945U (en) | 1989-02-22 | 1989-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02110945U (en) |
-
1989
- 1989-02-22 JP JP1974589U patent/JPH02110945U/ja active Pending
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