电容器BSMJ0.4-3-3
产品概述
BSMJ0.4-3-3型自愈式低压并联电容器是一款专为工频电力系统设计的无功补偿装置，采用金属化聚丙烯薄膜作为介质材料。该产品外形为紧凑的长方形结构，额定电压400V，额定容量3kvar，三相设计，适用于380V低压配电系统。其核心功能是通过补偿电网中的感性无功功率，提升功率因数，从而降低线路损耗并改善供电质量。产品采用半固体浸渍工艺，有效避免了传统油浸电容器的漏油问题，符合环保要求。工作温度范围为-25℃至+50℃，适应多种工业环境条件。16
The BSMJ0.4-3-3 self-healing low-voltage shunt capacitor is specifically designed for power frequency systems, utilizing metallized polypropylene film as the dielectric material. With a compact rectangular design, it features a rated voltage of 400V and rated capacity of 3kvar in three-phase configuration, suitable for 380V low-voltage distribution networks. Its primary function involves compensating inductive reactive power in grids to enhance power factor, thereby reducing line losses and improving power supply stability. The semi-solid impregnation technology eliminates oil leakage risks associated with traditional designs, meeting environmental requirements. Operational temperature range spans from -25℃ to +50℃ for diverse industrial applications.
技术特性
该电容器具备优异的自愈性能，当介质因过电压发生局部击穿时能快速恢复绝缘状态，显著提升运行可靠性。内置放电电阻可在断电后3分钟内将极间电压降至50V以下，同时配置保险装置在故障时自动切断电源。产品采用铜芯软导线连接，建议安装间距大于30mm以确保散热效果。损耗值低于0.1%，温升低，长期运行稳定性良好。适用于无剧烈振动、无腐蚀性气体及尘埃的干燥环境，建议竖直安装并可靠接地。27
The capacitor exhibits outstanding self-recovery characteristics, capable of rapidly restoring insulation integrity after localized dielectric breakdown caused by overvoltage. Built-in discharge resistors reduce terminal voltage below 50V within 3 minutes after power-off, while safety devices automatically disconnect faulty units. Copper-core flexible wires are recommended for connections with installation spacing exceeding 30mm for optimal heat dissipation. With losses under 0.1% and low temperature rise, it demonstrates reliable long-term performance. Suitable for dry environments without corrosive gases, dust or severe vibrations, vertical installation with proper grounding is advised.
应用场景
主要应用于机械制造、石油化工、水泥生产等行业的低压配电系统无功补偿，可安装在变压器、电动机等感性负载附近实现就地补偿。能有效缓解电网电压波动，提升变压器带载能力，对存在硅整流、电弧炉等谐波源的场合建议配合电抗器使用。产品体积较传统型号减少约75%，重量减轻80%，便于在空间受限的配电柜内安装布置。110
Primarily used for reactive power compensation in low-voltage distribution systems across machinery manufacturing, petrochemical, and cement industries. Ideal for localized compensation near inductive loads like transformers and motors, it effectively mitigates voltage fluctuations and enhances transformer capacity. In systems with harmonic sources such as silicon rectifiers or arc furnaces, combining with reactors is recommended. The compact design offers 75% volume reduction and 80% weight savings compared to conventional models, facilitating installation in space-constrained panels.
产品优势
通过优化金属化膜结构设计，产品具有较低的等效串联电阻(ESR)，能减少能量损耗。独特的内置保险机制可在内部故障时防止事故扩大，保障系统安全运行。采用模块化设计便于维护更换，长方形外壳结构有利于多台并联安装时的空间利用。在电压波动较大的电网中表现出良好的适应性，功率因数调节范围建议控制在0.95-0.96之间以获得最佳运行效果。611
Optimized metallized film structure delivers low equivalent series resistance (ESR) to minimize energy losses. The integrated fuse mechanism prevents fault escalation, ensuring system safety. Modular design simplifies maintenance, while rectangular housing enables efficient space utilization in parallel installations. Demonstrating excellent adaptability in grids with significant voltage fluctuations, optimal performance is achieved when maintaining power factor between 0.95-0.96 through regulation.
简单介绍
BSMJ0.4-3-3 电容器2、损耗低：实际值低于0.1%，所以电容器自身的能耗低，发热少、温升低、工作寿命长、节能效果佳。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。
BSMJ0.4-3-3 电容器
的详细介绍
BSMJ0.4-3-3 电容器
BSMJ”自愈式低电压并联电容器是采用先进的金属化膜作为材料，引进国外先进技术、设备，严格按照国家标准及IEC标准组织生产的；主要用于低压电网提高功率因数，减少线路损耗，改善电压质量，是国家推荐使用的新型节电产品。本公司依靠科技优势和严格按ISO9001质量体系管理，产品质优价廉、服务周到。保质期一年半，明显高于国内同行业产品。
1、体积小、重量轻：由于采用金属化聚丙烯膜材料作为介质， 体积、重量仅为老产品的1/4和1/5。
2、损耗低：实际值低于0.1%，所以电容器自身的能耗低，发热少、温升低、工作寿命长、节能效果佳。
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；当电容器发生故障时，保险装置能及时断开电源，避免故障的进一步发展，确保使用安全。
5、不漏油：本电容器采用先进的半固体浸渍剂，滴熔点高于70℃，在使用过程中不漏油，避免了环境污染，电容器也不会因失油而失效。
使用条件：环境温度-25℃~+50℃,湿度≤85%，海拔2000米以下。
额定电压：250VAC，400VAC，525VAC，690VAC，750VAC，1050VAC。
额定容量：1~100kvar。
容量允差：-5~+10%
损耗角正切值：在工频额定电压下，20℃时tgδ≤0.1%。
交流耐电压：极间2.15倍额定电压10秒钟，极壳间3kV10秒钟。
高允许过电压：1.10倍额定电压。
高允许过电流：1.30倍数额定电流。
自放电特性：电容器加 2Un直流电压，断开电源3分钟后，剩余电压降低到75V或更低。
符合标准：GB12747-2004 IEC60831-1996。
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