JPS58156336U

JPS58156336U - test circuit

Info

Publication number: JPS58156336U
Application number: JP5294282U
Authority: JP
Inventors: 河井　和弥
Original assignee: 株式会社明電舎
Priority date: 1982-04-12
Filing date: 1982-04-12
Publication date: 1983-10-19

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は手動切換回路と自動切換回路を備えた試験回路
の一例を示す回路図、第２図は本考案の一実施例を示す
回路図である。１・・・電源用変圧器、２Ａ〜２Ｄ・・・抵抗、３Ａ〜
３Ｅ・・・回路切換用リレーの接点、５・・・変流器、
６・・・電流計、７・・・供試機器、８・・・ロータリ
ースイッチ、９・・田ツク用スイッチ。FIG. 1 is a circuit diagram showing an example of a test circuit equipped with a manual switching circuit and an automatic switching circuit, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. 1...Power transformer, 2A~2D...Resistor, 3A~
3E...Circuit switching relay contact, 5...Current transformer,
6... Ammeter, 7... Equipment under test, 8... Rotary switch, 9... Switch for electric field.

Claims

[Scope of utility model registration request]

A plurality of series circuits consisting of a resistor for setting a predetermined test current and a relay contact for automatic switching are installed between a power transformer with a predetermined tap and an output terminal connecting the equipment under test, and two circuits are installed. a fixed contact of one circuit of a rotary switch having a corresponding one on the transformer side of said series circuit,
A test circuit characterized in that the fixed contacts of the other circuit are connected to the output terminals of the corresponding series circuits, and a locking switch is connected between the movable contacts of the two circuits.