[논문]An Analysis of the Relationship between Elevator Emergency(Entrapment) and Situation Measurement of Sag/Interruptions at the Switchboard

Kim, Gi-Hyun; Lim, Young-Bae; Bai, Seok-Myung; Kim, Jae-Chul; Lee, Hee-Tae

doi:10.5207/jieie.2007.21.4.036

[국내논문] An Analysis of the Relationship between Elevator Emergency(Entrapment) and Situation Measurement of Sag/Interruptions at the Switchboard 원문보기

照明·電氣設備學會論文誌 = Journal of the Korean Institute of Illuminating and Electrical Installation Engineers, v.21 no.4, 2007년, pp.36 - 44

Kim, Gi-Hyun (Electrical Safety Research Institute) , Lim, Young-Bae (Korea Electrical Safety Corporation at the Electrical Safety Research Institute) , Bai, Seok-Myung (Korea Electrical Safety Corporation at the Electrical Safety Research Institute) , Kim, Jae-Chul (Department of Electrical Engineering Soongsil Univ.) , Lee, Hee-Tae (Electrical Engineering Soongsil Univ.)

Abstract ▼ AI-Helper

This study researched the mutual relationship between elevator emergencies(sudden stops, entrapment) and power quality such as voltage interruptions or sags. To analyze the power quality at the elevator switchboard of an apartment, the on-line power quality(sag, swell, and interruption, etc.) were measured and error messages(under voltage error, etc.) in the elevator control room were researched. Also the performance and susceptibility for stops were evaluated and stated through the testing of three pieces of simulated test equipment with an EN12016(2004) standard setting and the magnitude and duration data of the measured sag or interruption. This paper will use these data in the analysis of the mutual relationship between power quality and elevator emergencies.

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문제 정의

The purpose of this paper is to study how much relationship there is between such moving accidents and accidents of entrapmmt in apartment housing have to power quality iiwacts such as interruptions, sags, swells, harmonics, and surges. To achieve this goal, the power quality in the elevator switchboard apartment was measured and elevators that are usually installed in the field were built, the susc印Ability to power quality of which was tested to analyze the mutual I.

제안 방법

the 1st and the 5th floors. In order to confirm the voltage alterations in iiwortant parts at the control board according to the power quality inpression level of Company A, the changes in the SMPS AC 220[V] input, the DC 24[V] Limit S/W power, the DC 5[V] PCB Control pow&, the DC 10[V] Encoder pow度, and the DC 15[V] Gate power were checked, which enabled us to identify the characteristics of movement for the levator. With elevators made by Company A, 価en the sag and interruption irro'essed, the elevator stopped, moved to the key floor, and finally either opened or closed the door, or remained stopped, according to the level and duration of the inpression.
In order to confirm the voltage alterations in important sections at the control board according to the power quality in軍ression level of Company B, the following were assessed- the changes in the Secondary AC 220[V] TR, the DC 24[V] control power, 仕le DC 110[V] Safety line, and the DC 5[V] PCB Control power, 術)ich enabled the identification of the movement characteristics of the elevator. In elevators made by Conpany B, when sags and interruptions impressed, the elevator stopped, moved to the key floor, and finally opened or closed the door, or remained in stopped, according to the level and duration of the irr^jression.
the 15th floors. In order to confirm the voltage alterations in the in^ortant sections at the control board according to the power quality impression level of Conpany C, the following were checked: the 가]an昭es in the SMPS AC 110[V] input, the AC 110[V] Gate SMPS input, the DC 110[V] M/C input, the DC 15[V] Encoder, and the DC 15[V] Hall CT, which enabled the identification of the movement characteristics of the elevator.
This study chose to analyze the performance of elevator operation d#nding on changes in poww quality, u如ch may be related to elevator accidents such 거s aitrapment. Through testing, the movement characteristics of levators were analyzed according to the circuit con^xisition of the elevator control board Through these tests and analyses, it was confirmed that susceptibility differed from one kind of elevator to another, depending on the control system of AC and DC, and control by M/C of the elevator motors.
This definition will reduce anxiety about accidaits of movement to key floors and being tr^jped within an elevator caused by sags above a certain level and reduce general mistrust of elevators. The contents of this paper will provide data for presenting preventative measures for electric disturbances based on elevator EMS susceptibility tests and fact-finding fi이d missions.

대상 데이터

In order to select a representational model for testing elevator equipment, the VWF method was chosen as the control method Afterwards, three models that are have been installed often in apartment buildings in recent times(2005) with the same specification that are described in Table 5 were selected for production. These were installed according to the organization of the test equipment in EN₁₂016[9].

성능/효과

as defined in IEEE Std 1159. For this study, the duration of the waveform measured on-site was defined as being less than 60 cycles (1 sec). In electric power systems, a sag is caused in situations such as: In cases when a breakdown is caused by a lightning strike and/or forest fire, the brokai line is separated from the system with a high-speed breaker in order to rnininize damage to the facility or to keep the disturbance in the system to a rnmirnuin.
거s aitrapment. Through testing, the movement characteristics of levators were analyzed according to the circuit con^xisition of the elevator control board Through these tests and analyses, it was confirmed that susceptibility differed from one kind of elevator to another, depending on the control system of AC and DC, and control by M/C of the elevator motors. Also confirmed was the existence of differences in safety of elevator movement in terms of sag and interruption, which depended on v^iether Instate or three-phase powar is supplied to the control panel.
5 sec), stoppage or similar phenomena occurred although the situation differed from con耳)any to corrpany. The conclusion of this study is that, even with the movement characteristics differing from company to con叩any, the identification and definition of the section udiere rwmal operations must happen, in terms of sag, is necessary. Once the boundaries of that section are established, normal operation should be able to be maintained without stopping inside those boundaries.

참고문헌 (10)

Statistics data of Korea Elevator Safety Institute (Web site : www. Kesi.or.kr, 2006)
KEPCO, 'Paper of Distribution Fault analysis and protection', 2005 Distribution Part
Gi-Hyun, Kim et 3, The cause analysis and research of malfunction for elevator equipment of the apartment house , Journal of KIIEE, Vol 20, No.4, pp. 65-71, May 2006

원문보기 상세보기
Gi-Hyun, Kim et 2, The Study of measurement and performance evaluation for elevator equipment by Instantaneous power quality, journal of KIIEE, Vol 20, No. 5, pp. 42-48, June 2006

원문보기 상세보기
Sag Project Plan Basics for customer. WESCOV, 2006 paper
Gi-Hyun, Kim et 3,, Relation between event of keptwithin elevator and sag generation at APT by lighting , KIIEE Autumn Annual Conference 2006, pp 245-250, 2006. 11
EN 12016(Electromagnetic Compatability : Product family standard for lifts, escalators and moving walks-Immunity)
Electromagnetic compatibility(EMC) -Part 4 : Testing and measurement techniques - Section 11 : Voltage dips, short interruptions and voltage variations immunity tests(2004)
Recommended practice for monitoring electric power Quality R(1995)
Are Voltage Sages destroying Equipment ? : IEEE Industry Applications magazine 2006. 7

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