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用途
Use
KYN28-12是3.6-12KV三相交流50HZ单母线及单母线分段系统的成套配电装置。主要用于发电厂厂用电、输变电系统变电的受配电、工矿企业事业配电等场合，实行控制、保护、监测。
Is a3.6-12KV three-phase AC 50HZ single-bus and one bus set of power distribution sub-system device. The main power plant for electricity transmission and transformer substation of power distribution systems, industrial and mining enterprises and so on the cause of power distribution, control, protection and monitoring .
特点
Characteristics
本产品可配装VS1(ZN63A-12)、VD4、EV12等真空断路器和SF6断路器。并可配装微机智能形式组合继电器，实现遥测、遥控、遥信和无人值守。该产品手车全部采用丝杆传动，小车进入试验位置后关上柜门操作进出。框架材料为进口敷铝锌板，采用组装结构，安装方便、强度好、不宜变形，主要用于电力系统发电厂、变电所，工矿企业等场合接受和分配电能，实行控制、保护、监测。
满足IEC298、GB3906、DL404等标准，具有可靠的“五防”功能，元件布置合理，方案齐全，扩展性强，是一种理想的新型配电装置。
His product can be equipped with equipment VS1(ZN63A-12)， VD4、EV12 such as vacuum circuit bweakers and SF6 bweakers. And distribution equipment portfolios in the form of intelligent computer relays, the realization of remote sensing, remote control, remote and unmanned. The use of Handcart screw drive, the car entered the location of the trial after the doors closed and out of operation. Framework for the import of materials deposited zinc aluminum plate, using assembly structure, easy to install, good strength, not deformation, the main power systems for power plants, substations, industrial and mining enterprises to cooperate in fields such as power and distribution, control, protection, monitoring.
Meet IEC298, GB3906, DL404, and other criteria, with a reliable “anti-five” functions, a reasonable layout of components, the complete program, the strong expansion, is an ideal distribution of the new device.
主要技术参数
The main technical parameters
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额定电压（KV）
Rated voltage
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3.6/7.2/12
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额定热稳定电流（KA 4S）
Rated thermal stability of the current
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16~50
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最高工作电压（KV）
The maximum operating voltage
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3.6/7.2/12
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额定动稳定电流（KA）
Dynamic stability of the raeed current
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40~125
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工频耐受电压（KV）
Frequency voltage tolerance
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42(1min)
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额定短路关断电流（KA）
Rated short-circuit current turn-off
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16~50
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冲击耐受电压（KV）
The impact of voltage tolerance
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75
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额定短路开合电流（KA）
Rated short-circuit current opening and closing
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40~125
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额定频率（HZ）
Rated frequency
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50~60
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分合闸和辅助回路额定电压（V）
Closing minutes and auxiliary circuit rated voltage
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DC24,30,48,60,110,220
AC110,220
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额定电流（A）
Rated current
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630~3150
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防护等级
Protection level
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IP4X
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