JPS5575652A - Watt-hour meter for a number of housings - Google Patents

Watt-hour meter for a number of housings

Info

Publication number
JPS5575652A
JPS5575652A JP14893778A JP14893778A JPS5575652A JP S5575652 A JPS5575652 A JP S5575652A JP 14893778 A JP14893778 A JP 14893778A JP 14893778 A JP14893778 A JP 14893778A JP S5575652 A JPS5575652 A JP S5575652A
Authority
JP
Japan
Prior art keywords
current
voltage
watt
fed
detected
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
JP14893778A
Other languages
Japanese (ja)
Inventor
Haruo Takahashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14893778A priority Critical patent/JPS5575652A/en
Publication of JPS5575652A publication Critical patent/JPS5575652A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the installation space of watt-hour meters and to make small the size of cubicles, by replacing the voltage coil in common use with a plurality of watt-hour meters into one pulse width modulator.
CONSTITUTION: The voltage of the common power supply 31 fed to the loads, 32W 34 is detected with the transformer 35 and the pulse signal having the width in proportion to the instant value of the detected voltage is obtained from the modulator 36. On the other hand, the current of the loads 32W34 is detected from the transformers 37W39, this current signal is fed to the current frequency converters 43W45 via the switches 40W42. Specified integration is made and the frequency proportional to power is outputted and fed to the display units 49W51 via the frequency dividers 46W48. In this case, the output pulse of the modulator 36 controls the switches 40W42 and the current output Io of each switch takes the value proportional to the instant voltage and current of each load.
COPYRIGHT: (C)1980,JPO&Japio
JP14893778A 1978-12-01 1978-12-01 Watt-hour meter for a number of housings Pending JPS5575652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14893778A JPS5575652A (en) 1978-12-01 1978-12-01 Watt-hour meter for a number of housings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14893778A JPS5575652A (en) 1978-12-01 1978-12-01 Watt-hour meter for a number of housings

Publications (1)

Publication Number Publication Date
JPS5575652A true JPS5575652A (en) 1980-06-07

Family

ID=15463986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14893778A Pending JPS5575652A (en) 1978-12-01 1978-12-01 Watt-hour meter for a number of housings

Country Status (1)

Country Link
JP (1) JPS5575652A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924261A (en) * 1982-07-29 1984-02-07 リウ・ユンホ− Separation type electric energy meter
JPS6061667U (en) * 1983-10-04 1985-04-30 東京電力株式会社 Socket type power measurement device
CN102317797A (en) * 2009-08-07 2012-01-11 路特克股份有限公司 Multi-line power-measuring system which improves efficiency and simplicity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924261A (en) * 1982-07-29 1984-02-07 リウ・ユンホ− Separation type electric energy meter
JPS6061667U (en) * 1983-10-04 1985-04-30 東京電力株式会社 Socket type power measurement device
CN102317797A (en) * 2009-08-07 2012-01-11 路特克股份有限公司 Multi-line power-measuring system which improves efficiency and simplicity

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