JPS63191835U - - Google Patents
Info
- Publication number
- JPS63191835U JPS63191835U JP8187987U JP8187987U JPS63191835U JP S63191835 U JPS63191835 U JP S63191835U JP 8187987 U JP8187987 U JP 8187987U JP 8187987 U JP8187987 U JP 8187987U JP S63191835 U JPS63191835 U JP S63191835U
- Authority
- JP
- Japan
- Prior art keywords
- value
- reactive power
- inverter
- deviation
- power
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 4
- 239000000284 extract Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
Description
第1図は本考案の実施例を示す回路図、第2図
は同実施例の調相可能な無効電力範囲を示す説明
図、第3図は調相装置の全体構成を示す回路図、
第4図は従来例の調相可能な無効電力範囲を示す
説明図である。
1……負荷、2……インバータ、F……逆L字
形フイルタ、51……第1の演算部、52……第
2の演算部、6……電力増幅器、7……電力設定
部、8……コンデンサ無効電力設定部、9……比
較部、10……自動電圧設定器。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is an explanatory diagram showing the reactive power range in which phase adjustment is possible in the same embodiment, and FIG. 3 is a circuit diagram showing the overall configuration of the phase adjustment device.
FIG. 4 is an explanatory diagram showing a reactive power range in which phase adjustment is possible in a conventional example. DESCRIPTION OF SYMBOLS 1... Load, 2... Inverter, F... Inverted L-shaped filter, 5 1 ... First calculation section, 5 2 ... Second calculation section, 6... Power amplifier, 7... Power setting section , 8... Capacitor reactive power setting section, 9... Comparison section, 10... Automatic voltage setting device.
Claims (1)
イルタを出力側に備えたインバータを電力系統に
対して並列に接続し、前記インバータの出力側の
無効電力検出値及び無効電力指令値の電力偏差値
と出力電圧設定値及び出力電圧検出値の電圧偏差
値とにもとずいてゲート信号を発生させることに
よつて、インバータにより負荷の無効電力を補償
する調相装置において、 負荷の無効電力に対応してその補償値を設定す
る電力設定部と、前記フイルタの出力電流検出値
と当該フイルタの出力電圧検出値とにもとずいて
無効電力値を演算する第1の演算部と、前記イン
バータの出力電流検出値と当該インバータの出力
電圧検出値とにもとずいて無効電力値を演算する
第2の演算部と、前記電力設定部の設定値及び前
記フイルタのコンデンサの進相無効電力分の偏差
分を取り出す比較部と、前記電力偏差値を、前記
電力設定部の設定値及び前記第1の演算部の出力
値の偏差分と前記比較部よりの出力値及び前記第
2の演算部の出力値の偏差分との間で切り替え選
択する切り替え部とを設けたことを特徴とする調
相装置。[Claims for Utility Model Registration] An inverter equipped with an inverted L-shaped filter consisting of a reactor and a capacitor on the output side is connected in parallel to a power system, and a reactive power detection value and a reactive power command value on the output side of the inverter are provided. In a phase adjusting device that compensates for the reactive power of a load using an inverter by generating a gate signal based on the power deviation value of the output voltage, the output voltage setting value, and the voltage deviation value of the output voltage detection value, a power setting unit that sets a compensation value corresponding to the reactive power; a first calculation unit that calculates a reactive power value based on the output current detection value of the filter and the output voltage detection value of the filter; , a second calculation unit that calculates a reactive power value based on the detected output current value of the inverter and the detected output voltage value of the inverter; and a set value of the power setting unit and a phase advance of the capacitor of the filter. a comparison section that extracts a deviation of reactive power; and a comparison section that extracts the deviation of the reactive power; A phase adjusting device comprising: a switching section for switching between the deviation of the output value of the arithmetic section;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8187987U JPS63191835U (en) | 1987-05-28 | 1987-05-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8187987U JPS63191835U (en) | 1987-05-28 | 1987-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63191835U true JPS63191835U (en) | 1988-12-09 |
Family
ID=30934018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8187987U Pending JPS63191835U (en) | 1987-05-28 | 1987-05-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63191835U (en) |
-
1987
- 1987-05-28 JP JP8187987U patent/JPS63191835U/ja active Pending