JPS562016A - Load-change compensating circuit - Google Patents

Load-change compensating circuit

Info

Publication number
JPS562016A
JPS562016A JP7723579A JP7723579A JPS562016A JP S562016 A JPS562016 A JP S562016A JP 7723579 A JP7723579 A JP 7723579A JP 7723579 A JP7723579 A JP 7723579A JP S562016 A JPS562016 A JP S562016A
Authority
JP
Japan
Prior art keywords
current
fluctuations
circuit
output
inverter
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
JP7723579A
Other languages
Japanese (ja)
Inventor
Takao Kawabata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7723579A priority Critical patent/JPS562016A/en
Publication of JPS562016A publication Critical patent/JPS562016A/en
Pending legal-status Critical Current

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  • Control Of Electrical Variables (AREA)

Abstract

PURPOSE: To suppress fluctuations of an output voltage due to a sudden change in load by detecting a signal that corresponds to fluctuations of the load current of an electric power converter, by supplying the detected signal to a voltage control system and then by varying a control signal predictively.
CONSTITUTION: The output of inverter 21 for multiple pulse-width modulation, etc., as an electric power converter is applied to loads 23A and 23B via breakers 22A and 22B and fluctuations of output current IL that may cause the output voltage of inverter 21 to vary are detected by current detecting circuit 31 through current transformer 30. The detected current fluctuations are applied via filter circuit 32 to judging circuit 33 and only predicted output variation is applied to adding circuit 29 connected to phase control circuit 26 through analog gate 34, so that an internally-developed voltage will be brought under predictive compensation control before a transient change in the output voltage of inverter 21 appears. At the point in time when the 1st predetermined time passes from the change point of the load current, this control is finished and from this point in time until the 2nd predetermined time passes, the operation of a compensation control system is suppressed to stabilize the operation.
COPYRIGHT: (C)1981,JPO&Japio
JP7723579A 1979-06-18 1979-06-18 Load-change compensating circuit Pending JPS562016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7723579A JPS562016A (en) 1979-06-18 1979-06-18 Load-change compensating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7723579A JPS562016A (en) 1979-06-18 1979-06-18 Load-change compensating circuit

Publications (1)

Publication Number Publication Date
JPS562016A true JPS562016A (en) 1981-01-10

Family

ID=13628194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7723579A Pending JPS562016A (en) 1979-06-18 1979-06-18 Load-change compensating circuit

Country Status (1)

Country Link
JP (1) JPS562016A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142216A (en) * 1988-01-29 1992-08-25 Taddeo Fausto V Compensating arrangement for a load voltage, synchronously disturbed by a distribution system or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142216A (en) * 1988-01-29 1992-08-25 Taddeo Fausto V Compensating arrangement for a load voltage, synchronously disturbed by a distribution system or the like

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