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柯提斯电气CURTISS,CWR480无功补偿/滤波电容器产品介绍柯提斯电气CURTISS,CWR480主要特色 MAIN CHARACTERS 企业标示 Manufacturer code 标示代码 Mark code 额定电压 Rated voltage 额定容量或电容量 Rated capacity or capacitance 电容量相数-单相/三相 Phase 3- Three Phase/1-Single Phase 柯提斯电气CURTISS,CWR480标准 STANDARD IEC 60831-1-2002 IEC60831-2-1995 UL810-2008 EN60831-1-1998+A1-2003 EN60831-2-1996 EAI-456-1989 柯提斯电气CURTISS,CWR480主要特色 MAIN CHARACTERS 采用一次性成型的圆柱形铝合金外壳，具有散热好、重量轻、体积小的特点。 产品采用特殊设计及制造工业，具有极低阻抗和热损 采用优质耐高温薄膜作介质，损耗低、寿命长 采用国际最先进设备和技术，耐涌流能力强 采用双重安全保护：二次保护装置和压力切断保护装置，达 100% 防爆功能，失效时表现为开路 运行 60000 小时产品失效率小于 6%，符合美国电气工业协会标准 EIA-456-A 接线方式多样化，针对不同环境满足各种使用场合 Cylindrical extruded aluminum case, good heat dissipation, low weight and volume Special design and manufacturing process, low impedance and minimal heat loss Imported polypropylene film dielectric, which makes capactor lower losses and long service life Use most advanced equipments and technology Dual protection, secondary protection, overpressure disconnector and self -healing The failure rate is less than 6% after running 60000 hours in accordance with EIA-456-A Diversified leading-out terminals are applied in different environment and occasions 柯提斯电气CURTISS,CWR480技术参数 TECHNICAL DATA
柯提斯电气CURTISS,CWR480安装要求 INSTALLATION REQUIREMENT 电容器安装应符合IEC61921, EN60831技术规范，它们应置于凉爽及通风的地方并远离其他散热元件，在自然冷却的条件下，电容器的间距不少于100mm，如果有充分的空气流通，产品安装的间距建议不少于20mm，保证使用环境温度与产品最高允许环境温度。电容器的有效寿命极大程度上取决于工作温度，超过最大允许温度会导致安全设备停止工作。 Capacitors should be installed under the standard of IEC61921 and EN60831. Keep in a cool and well ventilated locations away fromother heat-radiating elements. Natural heat dissipation is generally sufficient for cooling purposes if enough air circulation, and thespace between capacitors should be not less than 20mm so that the maximum admissible ambient temperature is not exceeded. In thecondition of natural cooling, the space between capacitors should be less than 100mm; The capacitor's useful life greatly depends onoperating temperature. Once exceed the maximum allowed temperature, the safety device will be out of operation. 柯提斯电气CURTISS,CWR480压力切断安全装置示意图 OVERPRESSURE DISCONNECTION SYSTEM
柯提斯电气CURTISS,CWR480电容器基础知识 CAPACITOR RUDIMENTARY KNOWLEDGE 柯提斯电气CURTISS,CWR480纯电容器补偿 Pure capacitance compensation 用电系统中没有明显地(单台功率较大或一定数量的小功率非线性负载)谐波源 电流总谐波畸变率THD i ≤5% 当电流总谐波畸变率5%≤THD i ≤15%时，须提高补偿电容器的额定电压等级 There is no obvious(larger single power or some small power nonlinear loads) harmonic source in power system Current total harmonic distortionTHDi ≤5% When 5%≤THDi≤15%, it should raise the capacitor rated voltage 柯提斯电气CURTISS,CWR480失谐滤波(抑制谐波放大)补偿 Detuned filtering (suppression of harmonics amplification) C ompensation 用电系统中有少量的谐波源 当电流总谐波畸变率5%≤THDi≤15% 当谐波电流以5次以上为主时，加装5%～8%电抗率的串联电抗器 当谐波电流以3次以上为主时，加装12%～14.8%电抗率的串联电抗器 There is little harmonic source in power system 5%≤THDi≤15% It should be in series with 5～8% reactor when harmonic current is in the region of the 5th It should be in series with 12～14.8% reactor when harmonic current is in the region of the 3th 柯提斯电气CURTISS,CWR480调谐滤波(滤除部分谐波补偿) Tuning (filiter a part of harmonic) compensation 25%≤THDi≤50% Setting single-tuned compensation,filter branch of main harmonic order (Normally is F3, F5, F7, F11 etc.) Single-tuned branch setting on the basis of reactive power compensation 当电流总谐波畸变率25%≤THDi≤50% 针对主要谐波次数设置单调谐补偿、滤波支路(通常为F3, F5, F7, F11等) 单调谐支路的设置原则仍以无功补偿为主 柯提斯电气CURTISS,CWR480影响电容器寿命的重要因素 The key factors affect capacitor lifespan 电网中的谐波(谐波量大直接造成电容器损坏) 超电压长期运行(每升高10%其寿命下降一半) 环境温度过高(每超出8℃～10℃电容器寿命下降一半) The harmonic from load(Large harmonic causes the capacitor failure directly.) Working for long time in overvoltage(The lifespan will reduce to half when the voltage raise 10%.) Ambient temperature(The lifespan will reduce to half when the temperature raise 8 ℃～10℃) 柯提斯电气CURTISS,CWR480结构示意图 SCHEMATIC DIAGRAM OF STRUCTURE
柯提斯电气CURTISS,CWR480选型表 GENERAL SELECTION TABLE
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