한국화재평가시험기기㈜
케이블 내화 성능 시험기(IEEE1202, IEEE 383, UL1685)

 
작성일 : 19-02-01 15:27
케이블 내화 성능 시험기(IEEE1202, IEEE 383, UL1685)
 글쓴이 : 한국화재평…
조회 : 2,229  
 
Fire Resistance Assemblies Tester, IEEE 1202, 케이블 내화 성능 시험기, IEEE1202, IEEE 383, UL1685
 
■ Introduction
본 제품은 IEEE 383, IEEE 1202를 포함하는 규격의 시리즈로, 이 시험방법은 일정 체적을 필요로 하는 Chamber에서 20분간 시험을 지속하는 동안 케이블 샘플을 이론상의 20kW(70,000Btu/hr) 화염을 갖는 점화원(點火原)을 이용하여 수직으로 배치 고정시킨 상태의 단심 절연 케이블 및 다심 케이블에 대한 불꽃 확산을 평가하는 장비입니다.
■ Standard
▣ IEEE 1202
    -IEEE Standard for Flame Testing of Cables for Use in Cable Tray in Industrial and Commercial occupancies
▣ IEEE 383
    - IEEE Standard for type Test of Class IE Electric Cables, Field Splices, and Connections for Nuclear Power Generaton
■ Specifcation
▣ Test enclosure : 2,600(W) x 2,600(D) x 3,100(H) mm
▣ Enclosure walls : maximum conductive heat fiux loss of 6.8 W/ (㎡K) (30 Btu/h-ft²)
▣ Air intakes : air intakes 1.45 ㎡ ± 0.03 ㎡ (2250 in² ± 50 in²)
▣ Access door : conductive heat finx greater than 6.8 W/(㎡K) (30 Btu/h-ft²)
▣ Collection box : 914㎜ X 914㎜ X 914㎜ (36 in X 36 in X 36 in) SUS 304
▣ Exhaust dust : 16 in (406㎜) nominal inside diameter pipe
▣ Duct dimension : inner diameter φ 400㎜
▣ Exhaust blower : 3.5 ±0.5 ㎧ (11.5 ± 1.6 ft/s)
▣ Velocity probe (Bi-directional) assembly
▣ Pressure tube dimension : OD φ6.4㎜, ID φ3.9㎜
▣ Bi-directional : OD φ22.2㎜, ID φ19㎜, Length φ 44.4㎜
▣ Burner : nominal (W) 12 in(305㎜) X (D) 3 in(78㎜) X (H) 96 in(2438㎜)
▣ Tray : 305(W) x 76(D) x 2438(H) mm
▣ DAQ Board : 16 Bit wide gain range, Analog and Digital I/O Board
▣ Control Rack : 19” Control Rack(Included Personal Computer)


Size 2,600(w) × 2,600(D) × 3,100(H)
Power 220 V AC, 60 Hz, 10 A
Weight About 500kg
Utilities Propane Gas Valve System, Ignition System

■ Features
▣ Test Enclosure는 2,600(W) x 2,600(D) x 3,100(H) mm의 크기로 구성되며 내부 체적은 20.28m3이고, 바닥 면의 내부 면적은 6.76m2로 제작되어 있습니다.
▣ Exhaust Duct에는 배기가스의 온도와 속도를 측정할 수 있는 Thermocouple과 Bi-directional Velocity Probe가 장착되어 있습니다.
▣ Bi-directional Velocity Probe는 연소시 발생되는 고온의 연소 가스 및 와류에서도 덕트내 유속을 가장 정확하게 측정 할 수 있습니다.
▣ Vertical Tray Flame Tester의 시험에 사용되는 Tray는 강철 사다리로 제작되어 있습니다.
    Tray의 기본적인 크기는 305(W) x 76(D) x 2,438(H) mm로서 가로 단의 강철 폭25±6mm이고 가로단의 중심 사이의 거리는 229mm입니다.
▣ Vertical Tray Flame Tester에 사용된 Burner는 벤추리믹서를 포함하는 리본타입의 프로판 가스 버너로서 IEC60332-3과 동일한 버너를 사용하고 있습니다.
▣ Vertical Tray Flame Tester에 사용된 유량계는 기존 로터미터형 유량계가 아닌 Mass Flow Controller를 사용 함으로서 Propane 및 Air의 압력이 변해도 일정한
    유량을 공급할 수 있는 장점이 있습니다.
▣ DAQ Board를 이용 하여 Enclosure 내부 및 버너의 불꽃 온도를 정확 하게 측정 할 수 있으며, Gas 및 Air Solenoid valve를 제어 할 수 있습니다.
▣ Control Rack에서는 Solenoid valve 및 Ignitor를 수동으로 제어 할 수 있으며, 비상 스위치를 장착하여 비상시 컴퓨터를 제외한 전원을 차단 시킬 수 있습니다.
■ FeaturesTest Result
▣ 시험 결과 데이터는 IEEE1202 Vertical Tray Flame Tester 프로그램에서 자동으로 기록되도록 설계되었으며 기록이 누락된 부분에 대해서는 사용자가 직접
    입력이 가능하도록 되어 있습니다.
▣ 시험 일시, 시험 위치, 시험 수량 시험 책임자, 시험 관찰자, 제조자 이름
▣ 인클로저의 내부 크기(이 표준규격에 따르지 않는 경우)
▣ 제조자 신분/타입 그리고 카달로그 번호
▣ 케이블 구조의 상세한 설명 (최소 구조와 가장 높은 비중 구조)
▣ 가장 높은 비중 구조에 관한 비금속과 금속 재의 무게
▣ NEC형 또는 CEC형 고안물
▣ 케이블 트레이에서 케이블 시험체 또는 다발의 수
▣ 인클로저 외부 공기 온도, 시험 시작 전의 인클로저 내부의 온도
▣ 바닥 높이의 공기 유량, 바닥 위로 1.5m(4.9ft)의 공기 유량
▣ 프로판 유량, 버너로 들어오는 공기 유량, 배기덕트를 통한 공기유량
▣ 시험 시 소비한 프로판 용량(유량가스제어기를 사용하지 않는 경우)
▣ 각 시험 시의 손상 길이, 후연소 시간, 시험 결과
▣ 합격 또는 불합격, 비고

Robert 23-03-16 01:01
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