JPS62123985A - Controller for inverter - Google Patents
Controller for inverterInfo
- Publication number
- JPS62123985A JPS62123985A JP60258582A JP25858285A JPS62123985A JP S62123985 A JPS62123985 A JP S62123985A JP 60258582 A JP60258582 A JP 60258582A JP 25858285 A JP25858285 A JP 25858285A JP S62123985 A JPS62123985 A JP S62123985A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- command
- circuit
- maximum
- inverter
- 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
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、電動機の速度制御に利用するインバータ制
御装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an inverter control device used for controlling the speed of an electric motor.
第３図は従来のインバータ制御装置を示すブロック図で
あり１図において、ｌは速度指令、２は定出力領域の最
低周波数（以下、定量力点周波数と略称する）選択スイ
ッチ、３は最高周波数倍率選択スイッチ、４は定量力点
周波数選択スイッチ２と最高周波数倍率選択スイッチ３
０指令により最高周波数指令を作成する回路、５は速度
指令１と回路４の最高周波数指令により周波数指令を作
成する（周波数指令作成）回路、６は速度指令１および
定量力点周波数選択スイッチ２０指令と回路４の最高周
波数指令により電圧指令を作゛成する（を圧指令作成）
回路、７は回路５の周波数指令と回路６の電圧指令によ
り点弧信号を作成する（点弧信号作成）回路、８はイン
バータ、９は回路７の点弧信号によりインバータ８を駆
動するインバータ駆動回路、１０はインバータ８によっ
て駆動される電動機である。Fig. 3 is a block diagram showing a conventional inverter control device. In Fig. 1, l is a speed command, 2 is a selection switch for the lowest frequency in the constant output region (hereinafter abbreviated as quantitative power point frequency), and 3 is a maximum frequency multiplier. Selection switch 4 is quantitative emphasis frequency selection switch 2 and maximum frequency multiplier selection switch 3
A circuit that creates the highest frequency command based on the 0 command, 5 a circuit that creates a frequency command using the speed command 1 and the highest frequency command of circuit 4 (frequency command creation), 6 a circuit that creates the highest frequency command using the speed command 1 and the highest frequency command of circuit 4, and 6 the speed command 1 and the quantitative power point frequency selection switch 20 command. Create a voltage command using the highest frequency command of circuit 4 (create a pressure command)
A circuit, 7 is a circuit that creates a firing signal based on the frequency command of the circuit 5 and a voltage command of the circuit 6, 8 is an inverter, and 9 is an inverter drive that drives the inverter 8 with the firing signal of the circuit 7. The circuit 10 is a motor driven by an inverter 8.
次に動作について説明する。いま、定出力点周波数選択
スイッチ２を５０Ｈｚに設定し、最高周波数倍率選択ス
イッチ３を×１．０に設定した場合、インバータ８から
出力される電圧と周波数の関係は第４図となる。Next, the operation will be explained. Now, when the constant output point frequency selection switch 2 is set to 50 Hz and the maximum frequency multiplier selection switch 3 is set to x1.0, the relationship between the voltage output from the inverter 8 and the frequency is as shown in FIG.
次いで、定出力点周波数選択スイッチ２を６０Ｈｚに設
定し、最高周波数倍率選択スイッチ３を×１．０に設定
した場合、インバ〒り８から出力される電圧と周波数の
関係は第５図となる。また、定出力点周波数選択スイッ
チ２を５０Ｈｚに設定し、最高周波数倍率選択スイッチ
３を×１．５に設定した場合、インバータ８から出力さ
れる電圧と周波数の関係は第６図となる。さらに、定出
力点周波数選択スイッチ２を６０Ｈｚに設定し、最高周
波数倍率選択スイッチ３を×１．５に設定した場合、イ
ンバータ８から出力される電圧と周波数の関係は第７図
となる。Next, when the constant output point frequency selection switch 2 is set to 60Hz and the maximum frequency multiplier selection switch 3 is set to ×1.0, the relationship between the voltage output from the inverter 8 and the frequency is as shown in Figure 5. . Further, when the constant output point frequency selection switch 2 is set to 50 Hz and the maximum frequency multiplication selection switch 3 is set to ×1.5, the relationship between the voltage output from the inverter 8 and the frequency is as shown in FIG. Further, when the constant output point frequency selection switch 2 is set to 60 Hz and the maximum frequency multiplication selection switch 3 is set to x1.5, the relationship between the voltage output from the inverter 8 and the frequency is as shown in FIG.
従来のインバータ制御装置は以上のように構成されてい
るので、定格出力点周波数が５０Ｈｚ又は６０Ｈｚの電
動機しか駆動できず、また、最高周波数も５０．６０Ｈ
ｚ又は７５．９０Ｈｚｌ、か選択できないという問題点
があった。Since conventional inverter control devices are configured as described above, they can only drive motors with a rated output point frequency of 50Hz or 60Hz, and the maximum frequency is also 50.60Hz.
There was a problem in that it was not possible to select either z or 75.90 Hzl.
この発明は上記のような問題点を解消するためになされ
たもので、定出力点周波数が５０Ｈｚ又は６０Ｈｚ以外
の電動機を駆動できるとともに最高周波数も５０．６０
Ｈｚ又は７５．９０Ｈｚ以外の周波数に設定できるイン
バータ制御装置を得ることを目的とする。This invention was made to solve the above-mentioned problems, and it is possible to drive an electric motor with a constant output point frequency other than 50Hz or 60Hz, and the maximum frequency is 50.60Hz.
An object of the present invention is to obtain an inverter control device that can set a frequency other than Hz or 75.90Hz.
この発明に係るインバータ制御装置は、定出力点周波数
を任意の周波数に設定できるとともに、最高周波数も任
意の周波数に設定できるようにしたものである。The inverter control device according to the present invention allows the constant output point frequency to be set to any desired frequency, and also allows the maximum frequency to be set to any desired frequency.
この発明におけるインバータ制御装置は、定出力点周波
数および最高周波数を任意に設定できるため、あらゆる
電動機を駆動することができる。Since the inverter control device according to the present invention can arbitrarily set the constant output point frequency and the maximum frequency, it can drive any electric motor.
以下、この発明の一実施例を図について説明する。第１
図において、１〜１ｏは前記第３図と同一であるので説
明を省略する。１１は走出力点周波数設定回路、１２は
最高周波数設定回路、１３は任意設定回路選択スイッチ
である。An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, 1 to 1o are the same as those in FIG. 3, so their explanation will be omitted. 11 is a running power point frequency setting circuit, 12 is a highest frequency setting circuit, and 13 is an arbitrary setting circuit selection switch.
この発明の実施例においては、周波数指令作成回路５は
速度指令１と回路４の最高周波数指令または最高周波数
設定回路１２０指令により周波数指令を作成する。また
、電圧指令作成回路６は速度指令１と定出力点周波数選
択スイッチ２および回路４の最高周波数指令または速度
指令１と走出力点周波数設定回路１１および最高周波数
設定回路１２の指令により電圧指令を作成する回路であ
る。In the embodiment of the present invention, the frequency command creation circuit 5 creates a frequency command based on the speed command 1 and the highest frequency command of the circuit 4 or the highest frequency setting circuit 120 command. Further, the voltage command generation circuit 6 generates a voltage command based on the speed command 1 and the maximum frequency command of the constant output point frequency selection switch 2 and the circuit 4, or the speed command 1 and the commands of the running power point frequency setting circuit 11 and the maximum frequency setting circuit 12. This is the circuit to create.
次に動作について説明する。まず、任意設定回路選択ス
イッチ１３を定出力点周波数選択スイッチ２と回路４に
接続し、定出力点周波数選択スイッチ２を５０Ｈｚに設
定し、最高周波数倍率選択スイッチ３を×１．０に設定
した場合、インバータ８かも出力される電圧と周波数の
関係は第４図となる。Next, the operation will be explained. First, the arbitrary setting circuit selection switch 13 was connected to the constant output point frequency selection switch 2 and the circuit 4, the constant output point frequency selection switch 2 was set to 50 Hz, and the maximum frequency multiplier selection switch 3 was set to ×1.0. In this case, the relationship between the voltage output from the inverter 8 and the frequency is shown in FIG.
次いで、出力点周波数選択スイッチ２を６０Ｈｚに設定
し最高周波数倍率選択スイッチ３を×１．０に設定した
場合、インバータ８から出力される電圧と周波数の関係
は第５図となる。Next, when the output point frequency selection switch 2 is set to 60 Hz and the highest frequency multiplier selection switch 3 is set to x1.0, the relationship between the voltage output from the inverter 8 and the frequency is as shown in FIG.
また、出力点周波数選択スイッチ２を５０Ｈｚに設定し
最高周波数倍率選択スイッチ３を×１．５に設定した場
合、インバータ８から出力される電圧と周波数の関係は
第６図となる。Further, when the output point frequency selection switch 2 is set to 50 Hz and the maximum frequency multiplier selection switch 3 is set to x1.5, the relationship between the voltage output from the inverter 8 and the frequency is as shown in FIG.
さらに、出力点周波数選択スイッチ２を６０Ｈｚに設定
し、最高周波数倍率選択スイッチ３を×１．５に設定し
た場合、インバータ８か礫出力される電圧と周波数の関
係は第７図となる。以上により、前記第３図の従来のイ
ンバータ制御装置と同一の制御を行うことができる。Further, when the output point frequency selection switch 2 is set to 60 Hz and the highest frequency multiplier selection switch 3 is set to x1.5, the relationship between the voltage output from the inverter 8 and the frequency is as shown in FIG. As described above, the same control as the conventional inverter control device shown in FIG. 3 can be performed.
一方、任意設定回路選択スイッチ１３を走出力点周波数
設定回路１１と最高周波数設定回路１２に接続し、走出
力点周波数設定回路１１を３０Ｈｚに設定し、最高周波
数設定回路１２を１２０Ｈｚに設定した場合、インバー
タ８かも出力される′電圧と周波数の関係は第２図の（
ａｌとなる。On the other hand, when the arbitrary setting circuit selection switch 13 is connected to the running power point frequency setting circuit 11 and the maximum frequency setting circuit 12, the running power point frequency setting circuit 11 is set to 30 Hz, and the maximum frequency setting circuit 12 is set to 120 Hz. , the relationship between the voltage output from the inverter 8 and the frequency is shown in Figure 2 (
It becomes al.
また、窯出力点周波数設定回路１１を１２０Ｈｚに設定
し、最高周波数設定回路１２を１２０Ｈｚに設定した場
合、インバータ８から出力される電圧と周波数の関係は
第２図の（ｂｌとなる。Further, when the kiln output point frequency setting circuit 11 is set to 120 Hz and the maximum frequency setting circuit 12 is set to 120 Hz, the relationship between the voltage output from the inverter 8 and the frequency becomes (bl in FIG. 2).
さらに、窯出力点周波数設定回路１１を３０〜１２０Ｈ
ｚの任意の周波数に設定し、最高周波数設定回路１２を
３Ｏ−１２０Ｈｚの任意の周波数に設定した場合、イン
バータ８から出力される電圧と周波数の関係は第２図の
（ａｌと（ｂ）に囲まれた部分となる。Furthermore, the kiln output point frequency setting circuit 11 is set to 30 to 120H.
When setting the maximum frequency setting circuit 12 to an arbitrary frequency between 3O and 120Hz, the relationship between the voltage output from the inverter 8 and the frequency is shown in (al and (b)) in Figure 2. It becomes an enclosed part.
なお、上記実施例では、定出力点周波数と最高周波数の
設定範囲を３０〜１２０Ｈｚとしだもの示したが該設定
範囲は任意の範囲でよい。In the above embodiment, the setting range of the constant output point frequency and the highest frequency is set to 30 to 120 Hz, but the setting range may be any range.
以上のように、この発明によれば、定出力点周波数と最
高周波数を任意の周波数に設定できるように構成したの
で、あらゆる電動機を駆動することができるという効果
がある。As described above, according to the present invention, since the constant output point frequency and the maximum frequency can be set to arbitrary frequencies, there is an effect that any electric motor can be driven.
第１図はこの発明の一実施例によるインバータ制御装置
を示すブロック図、第２図はこの発明の一実施例による
インバータ制御装置により出力される電圧と周波数の関
係を示す特性図、第３図は従来のインバータ制御装置を
示すブロック図、第４図〜第７図は、従来のインバータ
制御装置により出力される電圧と周波数の関係を示す特
性図である。
１は速度指令、５は（周波数指令作成）回路、６は（′
＃Ｌ圧指令作成）回路、７は（点弧信号作成）回路、８
はインバータ、９はインバータ駆動回路、１０は電動機
、１１は窯出力点周波数設定回路、１２は最高周波数設
定回路。
なお、図中、同一符号は同一、又は相当部分を示す。FIG. 1 is a block diagram showing an inverter control device according to an embodiment of the invention, FIG. 2 is a characteristic diagram showing the relationship between voltage and frequency output by the inverter control device according to an embodiment of the invention, and FIG. 3 is a block diagram showing a conventional inverter control device, and FIGS. 4 to 7 are characteristic diagrams showing the relationship between voltage and frequency output by the conventional inverter control device. 1 is the speed command, 5 is the (frequency command creation) circuit, and 6 is ('
#L pressure command creation) circuit, 7 is (ignition signal creation) circuit, 8
9 is an inverter, 9 is an inverter drive circuit, 10 is an electric motor, 11 is a kiln output point frequency setting circuit, and 12 is a maximum frequency setting circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
周波数指令作成回路と、速度指令と最高周波数指令およ
び定出力点周波数指令により電圧指令を作成する電圧指
令作成回路と、前記周波数指令作成回路と前記電圧指令
作成回路との出力指令により点弧信号を作成する点弧信
号作成回路と、前記点弧信号作成回路からの点弧信号に
基づきインバータを制御して電動機に電力を供給するイ
ンバータ駆動回路とを有するインバータ制御装置におい
て、前記最高周波数指令を任意の周波数に設定できる最
高周波数設定回路と、前記定出力点周波数指令を任意の
周波数に設定できる定出力点周波数設定回路とを設けた
ことを特徴とするインバータ制御装置。a frequency command creation circuit that creates a frequency command based on a speed command and a maximum frequency command; a voltage command creation circuit that creates a voltage command based on the speed command, the maximum frequency command, and a constant output point frequency command; the frequency command creation circuit and the voltage an ignition signal creation circuit that creates an ignition signal based on an output command from the command creation circuit; and an inverter drive circuit that controls an inverter and supplies power to the motor based on the ignition signal from the ignition signal creation circuit. The inverter control device has a maximum frequency setting circuit that can set the maximum frequency command to an arbitrary frequency, and a constant output point frequency setting circuit that can set the constant output point frequency command to an arbitrary frequency. Inverter control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60258582A JPS62123985A (en) | 1985-11-20 | 1985-11-20 | Controller for inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60258582A JPS62123985A (en) | 1985-11-20 | 1985-11-20 | Controller for inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62123985A true JPS62123985A (en) | 1987-06-05 |
Family
ID=17322256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60258582A Pending JPS62123985A (en) | 1985-11-20 | 1985-11-20 | Controller for inverter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62123985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001238489A (en) * | 2000-01-31 | 2001-08-31 | Ecostar Electric Drive Syst Llc | Control method and apparatus for high-speed ac permanent magnet synchronous motor coupled with industrial turbine engine |
-
1985
- 1985-11-20 JP JP60258582A patent/JPS62123985A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001238489A (en) * | 2000-01-31 | 2001-08-31 | Ecostar Electric Drive Syst Llc | Control method and apparatus for high-speed ac permanent magnet synchronous motor coupled with industrial turbine engine |
| JP4609971B2 (en) * | 2000-01-31 | 2011-01-12 | コンティネンタル オートモーティブ システムズ ユーエス， インコーポレイティッド | Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor connected to an industrial turbine engine |
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