JPH01120798U - - Google Patents

Info

Publication number
JPH01120798U
JPH01120798U JP1988016000U JP1600088U JPH01120798U JP H01120798 U JPH01120798 U JP H01120798U JP 1988016000 U JP1988016000 U JP 1988016000U JP 1600088 U JP1600088 U JP 1600088U JP H01120798 U JPH01120798 U JP H01120798U
Authority
JP
Japan
Prior art keywords
drive
protection device
motor
circuit
low voltage
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
Application number
JP1988016000U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988016000U priority Critical patent/JPH01120798U/ja
Publication of JPH01120798U publication Critical patent/JPH01120798U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Direct Current Motors (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例による速度制御装
置内の電源及びアラーム回路のブロツク図、第2
図は従来の速度制御装置を示すブロツク図、第3
図は従来の速度制御装置の電源及びアラーム回路
のブロツク図である。 図において、17は電源トランスB、18は整
流回路、19はベース電源回路、20は低電圧検
出回路である。なお、図中同一符号は同一、又は
相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電力用半導体素子を用い電動機の駆動制御を行
    う電動機駆動装置の保護装置において、ドライブ
    回路用電源の出力に低電圧検出回路を備えたこと
    を特徴とする電動機駆動装置の保護装置。
JP1988016000U 1988-02-09 1988-02-09 Pending JPH01120798U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988016000U JPH01120798U (ja) 1988-02-09 1988-02-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988016000U JPH01120798U (ja) 1988-02-09 1988-02-09

Publications (1)

Publication Number Publication Date
JPH01120798U true JPH01120798U (ja) 1989-08-16

Family

ID=31228544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988016000U Pending JPH01120798U (ja) 1988-02-09 1988-02-09

Country Status (1)

Country Link
JP (1) JPH01120798U (ja)

Similar Documents

Publication Publication Date Title
JPH01120798U (ja)
JPS61192309U (ja)
JPS61132976U (ja)
JPS6270644U (ja)
JPS6344689U (ja)
JPS6226197U (ja)
JPS61189498U (ja)
JPS634127U (ja)
JPH02133157U (ja)
JPH0257300U (ja)
JPS62101337U (ja)
JPS6383941U (ja)
JPS6237949U (ja)
JPS61165052U (ja)
JPH0262511U (ja)
JPH029914U (ja)
JPS61156438U (ja)
JPH01113533U (ja)
JPH0166446U (ja)
JPH0257295U (ja)
JPS6370291U (ja)
JPS61178592U (ja)
JPS6390990U (ja)
JPS61144799U (ja)
JPH0217933U (ja)