JPH0363090U - - Google Patents
Info
- Publication number
- JPH0363090U JPH0363090U JP12310089U JP12310089U JPH0363090U JP H0363090 U JPH0363090 U JP H0363090U JP 12310089 U JP12310089 U JP 12310089U JP 12310089 U JP12310089 U JP 12310089U JP H0363090 U JPH0363090 U JP H0363090U
- Authority
- JP
- Japan
- Prior art keywords
- terminals
- speed operation
- low
- switch
- terminal
- 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
- Motor And Converter Starters (AREA)
Description
第１図は本考案の一実施例を示す接続図、第２
図は第１図における低速運転時の接続図、第３図
は第１図における高速運転時の接続図、第４図は
極数変換電動機の接続図、第５図は従来装置の接
続図である。
ＣＢ，ＣＢ１，ＣＢ２……しや断器、Ｃ，Ｃ１
，Ｃ２……コンデンサ、８８Ｌ，８８Ｌ２……低
速運転用開閉器、８８Ｈ１……短絡用開閉器、８
８Ｈ２……高速運転用開閉器、Ｒ，Ｓ，Ｔ……交
流系統母線。
Fig. 1 is a connection diagram showing one embodiment of the present invention;
The figure shows the connection diagram for low-speed operation in Figure 1, Figure 3 shows the connection diagram for high-speed operation in Figure 1, Figure 4 shows the connection diagram for the pole change motor, and Figure 5 shows the connection diagram for the conventional device. be. CB, CB1, CB2...Shiya breaker, C, C1
, C2... Capacitor, 88L, 88L2... Switch for low speed operation, 88H1... Switch for short circuit, 8
8H2... High-speed operation switch, R, S, T... AC system bus.
Claims (1)
端子Ｕ１とＶ１との間に中間端子Ｕ２を、端子Ｖ
１とＷ１との間に中間端子Ｖ２を、端子Ｗ１とＵ
１との間に中間端子Ｗ２を備え、低速運転時には
低速運転用開閉器を介して前記端子Ｕ１，Ｖ１，
Ｗ１に三相交流電圧を印加し、高速運転時には前
記端子Ｕ１，Ｖ１，Ｗ１を短絡用開閉器で短絡す
ると共に高速運転用開閉器を介して前記端子Ｕ２
，Ｖ２，Ｗ２に三相交流電圧を印加するようにし
た極数変換電動機の力率調整回路において、前記
端子Ｕ１，Ｖ１，Ｗ１にそれぞれコンデンサの一
端を接続し、前記低速運転用開閉器が閉路した時
に該低速運転用開閉器を介して前記それぞれのコ
ンデンサが端子Ｕ１とＶ１間、端子Ｖ１とＷ１間
、端子Ｗ１とＵ１間に接続されるように、前記そ
れぞれのコンデンサの他端を前記低速運転用開閉
器の電源側に接続したことを特徴とする力率調整
回路。 △It has terminals U1, V1, and W1 that are connected, and an intermediate terminal U2 is connected between the terminals U1 and V1, and a terminal V
1 and W1, intermediate terminal V2 is connected between terminals W1 and U
1, and during low-speed operation, the terminals U1, V1,
A three-phase AC voltage is applied to W1, and during high-speed operation, the terminals U1, V1, and W1 are short-circuited with a short-circuit switch, and the terminal U2 is connected via the high-speed operation switch.
, V2, and W2, in which one end of a capacitor is connected to each of the terminals U1, V1, and W1, and the low-speed operation switch is closed. The other end of each of the capacitors is connected to the low-speed operation so that when the low-speed operation switch A power factor adjustment circuit characterized by being connected to the power supply side of an operating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12310089U JPH0363090U (en) | 1989-10-23 | 1989-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12310089U JPH0363090U (en) | 1989-10-23 | 1989-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363090U true JPH0363090U (en) | 1991-06-20 |
Family
ID=31671088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12310089U Pending JPH0363090U (en) | 1989-10-23 | 1989-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363090U (en) |
-
1989
- 1989-10-23 JP JP12310089U patent/JPH0363090U/ja active Pending
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