KR970016588A - Electronic integrated power meter - Google Patents

Electronic integrated power meter Download PDF

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Publication number
KR970016588A
KR970016588A KR1019950031871A KR19950031871A KR970016588A KR 970016588 A KR970016588 A KR 970016588A KR 1019950031871 A KR1019950031871 A KR 1019950031871A KR 19950031871 A KR19950031871 A KR 19950031871A KR 970016588 A KR970016588 A KR 970016588A
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South Korea
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control
value
program
condition
load
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KR1019950031871A
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Korean (ko)
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KR0186108B1 (en
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최종웅
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이종수
Lg 산전주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/30—Dynamo-electric motor meters
    • G01R11/32—Watt-hour meters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

본 발명은 전자식 전산 전력량에 관한 것으로, 종래에는 출력부에 1 : 1로 연결되어 있는 조건값으로 디멘드 예측값만 가지고 온, 오프시키므로, 순차적이며 강제적일 수 밖에 없다. 이때는 예측 전력량이 아주 적은 값의 초과가 예상되더라도 부하가 적게 걸리는 부하를 골라 차단시키지 못하고, 큰 부하일지라도 연결되어 있는 부하를 무조건 차단시킨다.The present invention relates to the amount of electronic computer power, and in the related art, only the demand prediction value is turned on and off as a condition value connected to the output unit at 1: 1, which is sequential and compulsory. At this time, even if the estimated power amount is expected to exceed a very small value, the load that is less loaded may not be selected and the connected load is unconditionally blocked even for a large load.

이러한 경우는 또한 외부 센서등에 의한 입력조건, 내부의 고장, 장애등에 의한 조건, 에너지 양이나 역율에 의한 조건적 부하 제어 및 시간조건에 의한 제어등을 기대하기 어려운 문제점이 있다. 따라서, 본 발명은 내외부로부터 입력신호, 조건을 받아 부하를 조건적으로 제어하는 사용자에 의한 프로그래머블한 로직 제어기능을 수행하여 조건적이며, 연결된 선을 바꾸는 작업없이도 제어가 가능하도록 한다.In this case, there is also a problem that it is difficult to expect an input condition by an external sensor, a condition by an internal failure, a failure, a conditional load control by an amount of energy or a power factor, and a control by a time condition. Accordingly, the present invention performs a programmable logic control function by a user who receives an input signal and a condition from inside and outside to conditionally control a load, thereby enabling control without changing a conditional and connected line.

Description

전자식 적산 전력량계Electronic integrated power meter

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명의 전자식 적산 적력량계 구조도3 is a structural diagram of the electronic cumulative electrometer of the present invention

제4도는 본 발명의 전자식 적산 전력량계 기능도.4 is a functional diagram of an electronic integrated power meter of the present invention.

Claims (3)

전류 트랜스퍼서(10)를 통해 전달되는 전류량과 전압량을 검출, 승산한 후 그 승산한 값에 따른 펄스를 발생하도록 하는 검출 및 승산수단과, 상기 검출 및 승산수단으로부터 발생되는 펄스를 적산하여 디멘드값, 에너지값 역율값을 계산하여 디스플레이 및 통신을 행함과 아울러 상기에서 구한 값과 외부에서 설치되는 각종센서, 스위치등을 통한 입력신호, 프로그램에 의한 타이머 동작관련 신호를 입력받아 부하를 논리에 따른 조건 동작으로 제어하는 제어 및 연산수단과, 상기 검출 및 승산수단의 검출, 승산 및 펄스발생 과정시의 하드웨어적 고장, 장애를 검출하여 상기 제어 및 연산부(30)로 출력하는 고장, 장애신호 검출수단과, 상기 검출 및 승산수단에서 나오는 펄스값이나 승산값을 프로그램에서 조건으로 사용하기 위하여 그 값을 상기 제어 및 연산수단으로 전달하여 주는 조건신호 발생수단으로 구성된 것을 특징으로 하는 전자식 적산 전력량계.Detecting and multiplying means for detecting and multiplying a current amount and a voltage amount transferred through the current transferr 10 and generating a pulse according to the multiplied value, and a pulse generated from the detection and multiplication means Calculate the value, energy value power factor, display and communicate, and input the input value through various sensors and switches installed externally, and timer operation related signal by program. Control and arithmetic means for controlling by conditional operation, a hardware fault during the detection, multiplication, and pulse generation process of the detection and multiplication means, a fault for detecting and outputting the fault to the control and arithmetic unit 30, a fault signal detecting means And control the value to use the pulse value or multiplication value from the detection and multiplication means as a condition in the program. Electronic accumulated watt-hour meter, characterized in that constructed on the condition that the signal generating means to pass the computing means. 제1항에 있어서, 제어 및 연산수단은 검출 및 승산수단으로부터 출력되는 펄스를 적산하여 디멘드값, 에너지값, 역율값을 계산하여 디스플레이 및 통신제어를 행하는 연사용 씨피유와, 상기 연산용 씨피유의 제어에 따라 외부에 알리고자 하는 값을 표시하여 주는 디스플레이수단과, 상기 연산용 씨피유에서 연산에 핑요한 테이타를 저장하여 두는 저장수단과, 원격검침 및 관리용 데이타를 처리해주는 피씨(PC)나 원격지끼리의 데이타를 전화선이나 전력선 및 케이블 티브이선을 통하여 송수신하는 모뎀 및 부하제어를 위한 프로그래머블 로직제어언어를 편집하고 번역하여 통신시키는 로디와 통신을 수행하기 위한 통신제어수단과, 상기 연산용 씨피유로부터 전달된 각종 값과 프로그램 로다에서 전송되는 온 프로그램을 동작시켜 각조 부하를 제어하는 프로그래머블 로직 제어수단으로 구성된 것을 특징으로 하는 전자식 적산 전력량계.The control and calculating means according to claim 1, wherein the control and calculating means integrates pulses output from the detecting and multiplying means, calculates demand values, energy values, and power factor values, and performs display and communication control. Display means for displaying a value to be informed to the outside, storage means for storing data useful for calculations in the operational CPU, and a PC or remote controller for processing remote meter reading and management data. Communication control means for performing communication with Roddy for editing, translating and communicating a programmable logic control language for load control and a modem for transmitting and receiving data through a telephone line, a power line, and a cable TV line; Control load of each group by operating various values and on-program transmitted from program loader. Electronic integrated power meter, characterized in that consisting of programmable logic control means. 제2항에 있어서, 프로그래머블 로직 제어수단은 프로그램 로다에서 전송되어 온 프로그램을 동작시킬 수 있도록 번역하며 그 번역한 프로그램을 수행시키는 프로그램 제어용 씨피유와, 프로그래을 저장하는 저장수단과, 외부에 연결된 각종 스위치 및 센서로부터 입력되는 값을 받아들이는 입력 제어수단과, 상기 프로그램 제어용 씨피유에서 수행된 프로그램에 따른 각종 부하를 제어하는 출력 제어수단으로 구성된 것을 특징으로 하는 전자식 적산 전력량계.The programmable logic control means according to claim 2, wherein the programmable logic control means translates to operate the program transmitted from the program loader and executes the translated program, a storage means for storing the program, and various switches connected to the outside. And an input control means for receiving a value input from a sensor, and an output control means for controlling various loads according to a program executed in the program control CPI. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950031871A 1995-09-26 1995-09-26 Electronic watt hour meter Expired - Lifetime KR0186108B1 (en)

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KR1019950031871A KR0186108B1 (en) 1995-09-26 1995-09-26 Electronic watt hour meter

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Application Number Priority Date Filing Date Title
KR1019950031871A KR0186108B1 (en) 1995-09-26 1995-09-26 Electronic watt hour meter

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KR970016588A true KR970016588A (en) 1997-04-28
KR0186108B1 KR0186108B1 (en) 1999-04-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030064480A (en) * 2002-01-28 2003-08-02 엘지산전 주식회사 Electronic wattmeter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100978197B1 (en) * 2008-03-20 2010-08-25 엘에스산전 주식회사 Power Factor Correction System using Electronic Wattmeter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030064480A (en) * 2002-01-28 2003-08-02 엘지산전 주식회사 Electronic wattmeter

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