JPH0210794U - - Google Patents
Info
- Publication number
- JPH0210794U JPH0210794U JP1988087335U JP8733588U JPH0210794U JP H0210794 U JPH0210794 U JP H0210794U JP 1988087335 U JP1988087335 U JP 1988087335U JP 8733588 U JP8733588 U JP 8733588U JP H0210794 U JPH0210794 U JP H0210794U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- pwm
- inverter
- output
- 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.)
- Granted
Links
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は信号整形回路の一例を示すブロツク図、
第３図は信号整形回路の動作を説明する波形図、
第４図は従来のインバータ制御回路を示すブロツ
ク図、第５図は従来の制御回路の動作を説明する
波形図である。
ＤＣ…直流入力、ＡＣ…交流出力、ＩＮＶ…イ
ンバータ回路、ＡＣＦＩＬ…交流フイルター、Ａ
ＭＰ…比較増幅回路、ＰＷＭ…ＰＷＭ回路、Ｎ…
信号整形回路、ＤＲＩ…ドライバ回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Figure 2 is a block diagram showing an example of a signal shaping circuit.
Figure 3 is a waveform diagram explaining the operation of the signal shaping circuit.
FIG. 4 is a block diagram showing a conventional inverter control circuit, and FIG. 5 is a waveform diagram illustrating the operation of the conventional control circuit. DC...DC input, AC...AC output, INV...inverter circuit, ACFIL...AC filter, A
MP...comparison amplifier circuit, PWM...PWM circuit, N...
Signal shaping circuit, DRI...driver circuit.
Claims (1)
コンデンサ電流信号を加え、該信号と基準正弦波
とを比較、増幅する比較増幅回路と、ＰＷＭ信号
を生成するＰＷＭ生成回路と、ＰＷＭ信号を整形
する信号整形回路と、該出力信号でインバータの
主スイツチング素子をドライブするドライバ回路
とを備えたことを特徴とするインバータ制御回路
。 A comparison amplifier circuit that adds a capacitor current signal of an AC filter to an output voltage signal of an inverter, compares and amplifies the signal with a reference sine wave, a PWM generation circuit that generates a PWM signal, and a signal shaping circuit that shapes the PWM signal. and a driver circuit that drives a main switching element of an inverter with the output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988087335U JPH0811067Y2 (en) | 1988-06-30 | 1988-06-30 | Inverter control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988087335U JPH0811067Y2 (en) | 1988-06-30 | 1988-06-30 | Inverter control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0210794U true JPH0210794U (en) | 1990-01-23 |
| JPH0811067Y2 JPH0811067Y2 (en) | 1996-03-29 |
Family
ID=31311951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988087335U Expired - Lifetime JPH0811067Y2 (en) | 1988-06-30 | 1988-06-30 | Inverter control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811067Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54139025A (en) * | 1978-04-20 | 1979-10-29 | Toshiba Corp | Inverter control circuit |
| JPS6260475A (en) * | 1985-09-09 | 1987-03-17 | Toshiba Corp | Constant-voltage constant-frequency power unit |
-
1988
- 1988-06-30 JP JP1988087335U patent/JPH0811067Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54139025A (en) * | 1978-04-20 | 1979-10-29 | Toshiba Corp | Inverter control circuit |
| JPS6260475A (en) * | 1985-09-09 | 1987-03-17 | Toshiba Corp | Constant-voltage constant-frequency power unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811067Y2 (en) | 1996-03-29 |
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