JPS59195942U - Grounding detection circuit for variable AC voltage power supply equipment - Google Patents

Grounding detection circuit for variable AC voltage power supply equipment

Info

Publication number
JPS59195942U
JPS59195942U JP9163983U JP9163983U JPS59195942U JP S59195942 U JPS59195942 U JP S59195942U JP 9163983 U JP9163983 U JP 9163983U JP 9163983 U JP9163983 U JP 9163983U JP S59195942 U JPS59195942 U JP S59195942U
Authority
JP
Japan
Prior art keywords
power supply
variable
detection circuit
voltage power
supply equipment
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
JP9163983U
Other languages
Japanese (ja)
Inventor
渋谷　忠士
Original Assignee
株式会社明電舎
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 by 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP9163983U priority Critical patent/JPS59195942U/en
Publication of JPS59195942U publication Critical patent/JPS59195942U/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図は従来の接地検出回路の構成例を示す接
続図、第３図は本考案の一実施例を示す接続図である。 １・・・電源装置、２・・・コンデンサ、３・・・変流
器、５・・・電流−電圧変換器、６・・・計器用変圧器
、７・・・比較器、８・・・メモリ回路。1 and 2 are connection diagrams showing an example of the configuration of a conventional ground detection circuit, and FIG. 3 is a connection diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Power supply device, 2... Capacitor, 3... Current transformer, 5... Current-voltage converter, 6... Instrument transformer, 7... Comparator, 8...・Memory circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電圧を出力する電源装置の出力電圧を検出する電圧
検出器と、前記電源装置の出力端とアースの間に接続さ
れたコンデンサと、このコンデンサを流れる電流を検出
する電流検出器と、前記電圧検出器の出力を設定値、前
記電流検出器の出力に応じた電圧を検出値としてその比
較を行い、検出値が設定値より大ぎいとき接地検出信号
を生じる比較器とを備えてなる接地検出回路。a voltage detector that detects the output voltage of a power supply device that outputs an alternating voltage; a capacitor connected between the output end of the power supply device and ground; a current detector that detects a current flowing through the capacitor; A comparator that compares the output of the detector as a set value and the voltage according to the output of the current detector as a detected value, and generates a grounding detection signal when the detected value is larger than the set value. circuit.
JP9163983U 1983-06-14 1983-06-14 Grounding detection circuit for variable AC voltage power supply equipment Pending JPS59195942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9163983U JPS59195942U (en) 1983-06-14 1983-06-14 Grounding detection circuit for variable AC voltage power supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9163983U JPS59195942U (en) 1983-06-14 1983-06-14 Grounding detection circuit for variable AC voltage power supply equipment

Publications (1)

Publication Number Publication Date
JPS59195942U true JPS59195942U (en) 1984-12-26

Family

ID=30221678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9163983U Pending JPS59195942U (en) 1983-06-14 1983-06-14 Grounding detection circuit for variable AC voltage power supply equipment

Country Status (1)

Country Link
JP (1) JPS59195942U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005012858A (en) * 2003-06-16 2005-01-13 Toyota Motor Corp Load driver, automobile mounting it, and computer readable record medium recording control program being run on computer upon occurrence of leakage in load driver
JP2012005208A (en) * 2010-06-15 2012-01-05 Toshiba Mitsubishi-Electric Industrial System Corp Power switching device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5686016A (en) * 1979-12-14 1981-07-13 Tokyo Shibaura Electric Co Grounddfault protecting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5686016A (en) * 1979-12-14 1981-07-13 Tokyo Shibaura Electric Co Grounddfault protecting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005012858A (en) * 2003-06-16 2005-01-13 Toyota Motor Corp Load driver, automobile mounting it, and computer readable record medium recording control program being run on computer upon occurrence of leakage in load driver
JP2012005208A (en) * 2010-06-15 2012-01-05 Toshiba Mitsubishi-Electric Industrial System Corp Power switching device

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