JPS58193790U - Active current detector for voltage source inverter - Google Patents
Active current detector for voltage source inverterInfo
- Publication number
- JPS58193790U JPS58193790U JP8818382U JP8818382U JPS58193790U JP S58193790 U JPS58193790 U JP S58193790U JP 8818382 U JP8818382 U JP 8818382U JP 8818382 U JP8818382 U JP 8818382U JP S58193790 U JPS58193790 U JP S58193790U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- voltage source
- source inverter
- current detector
- active current
- 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
Landscapes
- Stopping Of Electric Motors (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は公知例の電圧形インバータの主回路構成を示す
接続図、第2図は従来方式による有効電流検出器の一例
の要部構成を示す接続図、第3図および第4図は負荷状
態に対する電圧形インバー 夕の直流ステージ電圧の
特性を示す図およびその出力電流位相の遅れを示す図、
第5図は本考案の一実施例の要部構成を示す接続図であ
る。
1・・・・・・コンバータ回路、3・・・・・・インバ
ータ回路、′4・・・・・・誘導電動機、6.6’、6
″、10.10’、10’・・・・・・アナログスイッ
チ、■ゎe ’vm IW’・・・・・出力電流信号、
vtJv、vvw、vWu・・・・・・線間電圧信号。Figure 1 is a connection diagram showing the main circuit configuration of a known voltage source inverter, Figure 2 is a connection diagram showing the main part configuration of an example of a conventional active current detector, and Figures 3 and 4 are load A diagram showing the characteristics of the DC stage voltage of the voltage type inverter with respect to the state and a diagram showing the delay in the output current phase,
FIG. 5 is a connection diagram showing the main part configuration of an embodiment of the present invention. 1...Converter circuit, 3...Inverter circuit, '4...Induction motor, 6.6', 6
'', 10.10', 10'...Analog switch, ■ゎe 'vm IW'...Output current signal,
vtJv, vvw, vWu...Line voltage signals.
Claims (1)
動作するスイッチを介して入力信号を得る電圧形インバ
ータの有効電流検出器において、前記電圧信号の位相を
相電圧により一定の値だけ進める如く信号変換せしめて
前記スイッチを開閉し、前記出力電流信号の有効電流検
出位相をシフトするようにしたことを特徴とする電圧形
インバータの有効電流検出器。In an effective current detector of a voltage source inverter which receives an output current signal and a voltage signal and obtains the input signal through a switch operated by the voltage signal, a signal is input so that the phase of the voltage signal is advanced by a certain value by the phase voltage. An active current detector for a voltage source inverter, characterized in that the active current detection phase of the output current signal is shifted by converting the switch to open and close the switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8818382U JPS58193790U (en) | 1982-06-15 | 1982-06-15 | Active current detector for voltage source inverter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8818382U JPS58193790U (en) | 1982-06-15 | 1982-06-15 | Active current detector for voltage source inverter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58193790U true JPS58193790U (en) | 1983-12-23 |
Family
ID=30096870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8818382U Pending JPS58193790U (en) | 1982-06-15 | 1982-06-15 | Active current detector for voltage source inverter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58193790U (en) |
-
1982
- 1982-06-15 JP JP8818382U patent/JPS58193790U/en active Pending
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