JPH0172615U - - Google Patents
Info
- Publication number
- JPH0172615U JPH0172615U JP1987166728U JP16672887U JPH0172615U JP H0172615 U JPH0172615 U JP H0172615U JP 1987166728 U JP1987166728 U JP 1987166728U JP 16672887 U JP16672887 U JP 16672887U JP H0172615 U JPH0172615 U JP H0172615U
- Authority
- JP
- Japan
- Prior art keywords
- current
- power regulator
- transformer
- energized
- load
- 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
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Protection Of Static Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の一実施例に係る交流電力調整
装置の回路構成図、第２図は第１図の装置の動作
を説明するためのタイムチヤート、第３図は従来
の交流電力調整装置の回路構成図、第４図は第３
図の装置の動作を説明するためのタイムチヤート
である。
３……遮断器、４……交流電力調整器、４ａ，
４ｂ……半導体スイツチング素子、５……変圧器
、６……負荷、１０……電流検出器、１１，１９
……比較器、１２……負荷電流設定器、１３……
位相制御回路、１４……パルス発生指令回路、２
０……レベル検出用設定器、３０……制御角制限
用割込み回路、３１……切換スイツチ、３２……
ＡＮＤ回路。
FIG. 1 is a circuit diagram of an AC power adjustment device according to an embodiment of the present invention, FIG. 2 is a time chart for explaining the operation of the device shown in FIG. 1, and FIG. 3 is a conventional AC power adjustment device. The circuit configuration diagram of , Figure 4 is the 3rd
3 is a time chart for explaining the operation of the device shown in the figure. 3... Circuit breaker, 4... AC power regulator, 4a,
4b... Semiconductor switching element, 5... Transformer, 6... Load, 10... Current detector, 11, 19
... Comparator, 12 ... Load current setting device, 13 ...
Phase control circuit, 14...Pulse generation command circuit, 2
0... Setting device for level detection, 30... Interrupt circuit for controlling angle limitation, 31... Changeover switch, 32...
AND circuit.
Claims (1)
スイツチング素子を逆並列接続してなり前記変圧
器の一次側に直列に接続された交流電力調整器と
、前記半導体スイツチング素子の点弧位相を狭幅
ゲートパルスで制御して前記交流電力調整器の出
力を制御する位相制御手段とを備えた交流電力調
整装置において、 前記変圧器の二次電流を検出する電流検出器と
、 前記位相制御手段による前記交流電力調整器の
制御角を９０°以上に制限する割込み手段と、 前記電流検出器によつて検出される負荷電流に
基づいて通電されているかどうかを判定し、通電
されているものと判定されるまでは前記割込み手
段を有効にし、通電されているものと判定された
後は前記割込み手段を無効にする判定切換手段と を設けたことを特徴とする交流電力調整装置。[Claims for Utility Model Registration] A transformer that supplies power to a load, an AC power regulator formed by connecting a pair of semiconductor switching devices in antiparallel and connected in series to the primary side of the transformer, and the semiconductor and a phase control means for controlling the output of the AC power regulator by controlling the ignition phase of the switching element with a narrow gate pulse, the current detection for detecting the secondary current of the transformer. interrupting means for limiting the control angle of the AC power regulator by the phase control means to 90° or more; and determining whether or not the current is energized based on the load current detected by the current detector. , a determination switching means for enabling the interrupting means until it is determined that the current is energized, and disabling the interrupting means after it is determined that the current is energized. Power regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166728U JPH0172615U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166728U JPH0172615U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172615U true JPH0172615U (en) | 1989-05-16 |
Family
ID=31454369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166728U Pending JPH0172615U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172615U (en) |
-
1987
- 1987-10-30 JP JP1987166728U patent/JPH0172615U/ja active Pending