电容器BSMJ0.4-12-3
产品概述
BSMJ0.4-12-3是一款三相自愈式低压并联电力电容器，采用金属化聚丙烯薄膜作为介质材料，专为380V工频交流电力系统设计。该产品通过先进的制造工艺实现了紧凑化设计，体积和重量仅为传统产品的1/4至1/5，特别适合空间受限的配电系统安装。产品内置放电电阻和过压力保护装置，能在断电后3分钟内将残余电压降至安全范围，同时具备故障自动隔离功能，有效提升运行安全性。采用半固体微晶蜡浸渍技术，确保全生命周期内无渗漏风险，符合环保要求。典型应用场景包括工业厂房、商业建筑等需要功率因数校正的低压配电网络。1212
The BSMJ0.4-12-3 is a three-phase self-healing low-voltage shunt power capacitor utilizing metallized polypropylene film dielectric. Designed for 380V/50Hz AC power systems, it features a compact structure with volume and weight reduced to 20%-25% of conventional models. The integrated discharge resistor ensures residual voltage drops below 50V within 3 minutes after power-off, while the built-in pressure-sensitive protection device provides fault isolation capability. Environmentally friendly microcrystalline wax impregnation technology eliminates leakage risks throughout service life. Typical applications include power factor correction in industrial plants and commercial buildings.416
技术特点
该电容器具备优异的自愈性能，当介质局部因过电压发生击穿时能瞬间恢复绝缘特性，使产品可靠性显著提升。损耗角正切值低于0.1%，自身能耗极低，工作温升小，延长了使用寿命。电气参数方面，额定电压400V，容量12kvar，容量允差范围+10%，极间耐压达2.15倍额定电压（10秒测试）。产品适用于海拔2000米以下环境，工作温度范围-25℃至+50℃，湿度不超过85%。独特的金属化膜边加厚工艺增强了抗涌流能力，允许在1.3倍额定电流下持续运行。5822
Key technical features include outstanding self-recovery capability that automatically repairs dielectric breakdown spots, with tanδ loss below 0.1% for minimized energy consumption. Electrical specifications show 400V rated voltage, 12kvar capacity (+10% tolerance), and 2.15×Un inter-electrode withstand voltage (10s test). Operational environment covers altitudes up to 2000m, ambient temperature -25℃ to +50℃, and ≤85% humidity. The reinforced metallized edge technology improves surge current resistance, allowing continuous operation at 130% rated current.3725
结构设计
产品采用矩形金属外壳结构，标准三相三角形接法（△），内部元件经过200倍额定电流的老练处理以提高稳定性。创新性的真空灌装工艺确保浸渍剂均匀分布，配合特殊密封设计防止氧化。安装时需保持竖直姿态，多台并联时间距需大于30mm以保证散热效果，夏季高温环境建议增加强制通风措施。连接导线推荐采用截面积不小于4mm²的多股软铜线，端子螺栓扭矩应达到3N·m以确保接触可靠性。外壳防护等级满足常规室内安装要求，避免阳光直射和雨雪侵蚀。61527
Structurally designed with rectangular metal enclosure and delta connection (△), the capacitor undergoes 200×In aging process for enhanced stability. Vacuum impregnation technology ensures uniform dielectric distribution, with special sealing against oxidation. Installation requires vertical orientation with ≥30mm clearance between multiple units. Recommended connection uses ≥4mm² stranded copper wires with terminal torque of 3N·m. The enclosure protection level suits standard indoor environments, avoiding direct sunlight and precipitation exposure.91728
应用价值
在电力系统中使用时，能有效提高功率因数至0.95以上，降低线路无功损耗15%-30%，改善电压波动问题。相较于传统电容器，年运行损耗减少约40%，配合自动投切装置可实现智能化节能管理。典型投资回报周期为8-12个月，长期运行可减轻变压器负荷，释放10%-15%的供电潜能。维护方面仅需定期检查外壳是否变形、端子是否松动等基础项目，正常使用条件下设计寿命超过10万小时。1013[
简单介绍
BSMJ0.4-12-3 电容器3、的自愈性能： 过电压所造成的介质局部击穿能迅速自愈，恢复正 常工作，使可靠性大为提高。4、安全性：内装自放电电阻和保险装置。 内装放电电阻能使电容器上所 带的电能自动泄放掉
BSMJ0.4-12-3 电容器
的详细介绍
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