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实验方式
experimental way
试验程序
Test procedure
试验的开始与结束:
接通电源后调节变压器,逐步升至试件的额定电压,并通过负载的配置使通过线路中的电流为0.25A。然后点火,当耐火试
验炉内接近试件中心的热电偶的温度达到50℃时,所有测量仪表计时开始工作,试验开始。试验期间应按4.3.2.5.2要求进行
观测。供火时间不应低于30min,停止供火后继续通电15min。即总试验时间为供火时间加上15min的冷却时间
Start and end of the test:
After switching on the power, adjust the transformer and gradually rise to the rated voltage of the specimen, and make the current
passing through the line 0.25A through the load configuration. Then ignition, when the fire test
Near the center of the specimen test furnace, thermocouple temperature of 50 ℃, all measuring instrument timing to start working,
trial begins. The test shall be conducted in accordance with 4.3.2.5.2 The observation. The fire supply time shall not be less than
30min, and the power shall be continued for 15min after the stop of the fire supply. The total test time is fire supply time plus
15min cooling time
测量与观察
试验炉内温度的测量: 试验炉内温度测量按GB/T9978-1999中7.3.1的规定执行。
试验炉内压力的测量: 试验炉内压力测量按GB/T9978-1999中7.3.2的规定执行。
试验现象观察:耐火试验过程中,随时观察熔断器和灯泡的现实情况。
Measurement and observation
Measurement of temperature in test furnace: the measurement of temperature in test furnace shall be carried out in accordance with
the provisions of 7.3.1 in GB/ t9978-1999.
Pressure measurement in test furnace: pressure measurement in test furnace shall be carried out in accordance with the provisions
of 7.3.2 in GB/ t9978-1999.
Observation of the test phenomenon: during the fire test, the reality of the fuse and the bulb can be observed at any time.
判定条件
耐火试验过程中,若符合下列条件,则表明线路未丧失完整性,试件耐火试验合格。
—— 保持电压,即没有一个熔断器或断路器断开:
—— 导体不断,即没有一个灯泡熄灭。
Decision condition
In the process of fire resistance test, if the following conditions are met, it indicates that the line has not lost its integrity and the
test piece is qualified for fire resistance test.
-- keep the voltage, that is, no fuse or circuit breaker is disconnected:
A continuous conductor means that no light bulb goes out.
耐火母线与矿物质电缆性价比
ཛଢ 耐火母线槽 矿物质耐火电缆
ͽͿͼͷͲͰ Refractory bus slot Mineral refractory cable
ᆳྛѓሙ ͔͎̼͡Ḥ̺͂̀̈́̿̽̽͂ ͔͏̼̻̺̾͆̿̾̓̿̾̿̽̽̀͡
͒΅ͲͰͶͼͻḤͮͻͱͮͿͱ
ܿ۬ ͎̺͎́̽̽͂̽̽̽ ̻̿͂ͺͺ ̺̓̀̽Ḥͺͺ Ḥ̵̶͎̺͎̾̓̾̽̽̽
̿
̿
ͽͲͰͶͳͶͰͮͶͼͻ
ڐഡ ૼڐ҂൳ᇛຶಣ႕ཙ Ңଽڐഡđᄛੀၹಣၹඔ႕ཙࢠն
ͮΆͶͻʹ ͏ͿͶʹ͵ḤͮͽͽͶͰͮͶͼͻḤͶḤͻͼḤͮͳͳͲͰͲͱḤͯΆḤͮͺͯͶͲͻḤ͵ͲͮḤͱͶͶͽͮͶͼͻ ͡͵ͲḤͼͮͱḤͳͼ΄ḤͶḤʹͿͲͮΆḤͮͳͳͲͰͲͱḤͯΆḤ͵ͲḤ͵ͲͮḤͱͶͶͽͮͶͼͻḤͳͮͰͼͿ
ࡎ۬ ରࠅଛཌҢбঀᇉভ̲̺̲֮̾͂̀̽
͡͵ͲḤͽͿͶͰͲ ͟ͲͳͿͮͰͼͿΆḤͯḤͼḤͮͿͲḤ̺̲̾͂̀̽Ḥͼ΄ͲͿḤ͵ͮͻḤͺͶͻͲͿͮḤͰͮͯͲ
ࢫି ରࠅଛཌҢбঀᇉভࢫି̲̺̲͂̀̽
͒ͻͲͿʹΆḤͮͶͻʹ ͟ͲͳͿͮͰͼͿΆḤͯḤͼḤͮͲḤ̺̲͂̀̽ḤͺͼͿͲḤͲͻͲͿʹΆḤ͵ͮͻḤͺͶͻͲͿͮḤͰͮͯͲ
ീ۽ᇛ௹ ീ۽ᇛ௹؋aീ۽ٚь ീ۽ᇛ௹Ӊaീ۽گᄖ
͐ͼͻͿͰͶͼͻḤͽͲͿͶͼͱ ͡͵ͲḤͰͼͻͿͰͶͼͻḤͽͲͿͶͼͱḤͶḤ͵ͼͿḤͮͻͱḤ͵ͲḤͰͼͻͿͰͶͼͻḤͶḤͰͼͻͲͻͶͲͻ ͙ͼͻʹḤͰͼͻͿͰͶͼͻḤͽͲͿͶͼͱḤͮͻͱḤͰͼͺͽͲ΅ḤͰͼͻͿͰͶͼͻ
νልॢࡗ ุࠒཬđᅝႨॢࡗཬđീ۽ॢࡗཬ ุࠒնđᅝႨॢࡗնđീ۽ॢࡗն
͡͵ͲḤͶͻͮͮͶͼͻḤͽͮͰͲ ͠ͺͮḤͼͺͲ̹ḤͺͮḤͼͰͰͽͮͶͼͻḤͼͳḤͽͮͰͲ̹ḤͺͮḤͰͼͻͿͰͶͼͻḤͽͮͰͲ ͙ͮͿʹͲḤͼͺͲ̹ḤͮͿʹͲḤͼͰͰͽͮͶͼͻḤͼͳḤͽͮͰͲ̹ḤͮͿʹͲḤͰͼͻͿͰͶͼͻḤͽͮͰͲ
Ҡቔದູၹ רᇅӁaѓሙࡱđീ۽ࡥֆđ൳ದູၹཬ ѓሙࡱaീ۽گᄖđ൳ದູҠቔၹ႕ཙնđ
͜ͽͲͿͮͼͿḤͳͮͰͼͿ ͐ͼͺͶ·ͲͱḤͽͿͼͱͰ̹ḤͮͻͱͮͿͱḤͽͮͿ̹ḤͶͺͽͲḤͰͼͻͿͰͶͼͻ̹ ͮ͠ͻͱͮͿͱḤͽͮͿḤͮͻͱḤͰͼͺͽͲ΅ḤͰͼͻͿͰͶͼͻ̹ḤʹͿͲͮΆḤͮͳͳͲͰͲͱ
ͲḤ͵ͺͮͻḤͳͮͰͼͿ ͯΆḤ͵ͺͮͻḤͼͽͲͿͮͶͼͻḤͳͮͰͼͿ̹
ః oૼᇍpࢲܒaݖᄛି৯఼a ݖᄛି৯đླေ؟۴ѩႨđթᄝ҂ಒקڄག
ͼ͵ͲͿ ͮ͠ͻͱ΄ͶͰ͵ḤͿͰͿͲ̹ḤͿͼͻʹḤͼͲͿͼͮͱḤͰͮͽͮͰͶΆ̹ ͡͵ͲḤͮͯͶͶΆḤͼͳḤͼͲͿͼͮͱḤͶḤ΄Ͳ̹ͮḤͶḤͻͲͲͱḤͺͶͽͲḤͿͼͼḤͮͻͱḤͰͼͺͯͶͻͮͶͼͻ
ͮͻͱḤ͵ͲͿͲḤͮͿͲḤͻͰͲͿͮͶͻḤͿͶ
39 密集型母线槽