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网站编辑:鞍山华盈非晶合金变压器有限公司 │ 发表时间:2019-07-30
电力系统的用户中有的使用大量负荷频繁变化的设备,如轧钢机,电弧炉,变频装置,中频炉,软启动等负载产生的高次谐波也随之注入电网,引起电压和电流的畸变,使用电环境恶化,影响用电设备的正常工作运行.为此无功补偿电容柜装置中设计有谐振点偏移的功能,可以有效地避免高次谐波的并联谐振,滤除谐波,且无大电流产生,保证应有的电网配电质量。
详细参数:
一,无功补偿电容柜功能:节能,增容,稳压,滤波
1、无功补偿及滤波使总电流减小,电能损耗降低,即节能。
2、无功补偿电容柜实现无功就地补偿,增加配电电源设备的供电能力,即增容。
3、动态无功补偿响应速度快,实时性强,无电压闪变,使输出电压稳定,即稳压。
4、动态无功补偿装置可滤除谐波,消除谐波干扰,即滤波。
二,电容柜主要特点
1、无功补偿电容柜基于DSP大规模集成电路数字信号处理方法,对采集参数进行无功计算,输出投切控制信号;响应速度快,实时性强,快速跟随补偿,提高配电系统功率因数及运行的稳定性。
2、 无功补偿电容柜智能投切开关是采用可控硅投切电容器组,磁保持继电器运行的工作运行方式, 不产生合闸涌流,不发热,微功耗,结构简单、安装方便,故障率低,从而使整机长时间免维护,其先进性居国内领先水平。
3、电容柜控制器具有大屏幕液晶显示,可采样,计算,显示系统的各相功率因数、电压、电流、有功功率、无功功率、电压总谐波畸变率、电流总谐波畸变率、频率、电容输出显示及投切状态报警等信息
3、投切过程中无涌流,无操作过电压、无电弧重燃,动态响应快,可达6。7-20ms。电容器切除后无需放电可再次投入,因而可频繁投切;用户要求多次补偿可一次到位,可三相补偿也可分相补偿。
4、无功补偿电容柜保护措施齐全;有短路、过载、欠压、缺相等保护;可以手动投切控制器;各项参数设定方便;当外部有故障时自动退出运行,送电后自动恢复运行。
5、根据用户配电系统谐波源情况,经测试,计算,设计滤波容量,电容柜滤除相关谐波并提高功率因数。
6、采用性能优良的自愈式电力电容器,损耗低,寿命长维护量小,运行成本低,并附有放电电阻,过压,过流等保护功能。
Cummins High Pressure Injection (HPI) PT full authority electronic fuel system.The HPI PT fuel system is managed by a G-Drive Governor Control System (GCS) controller, which is provided for off-engine mounting in the genset control panel. The Quantum Control has a specific fuel system board to interface with the HPI-PT fuel system and provides an Engine Protection package giving greater customer flexibility and cost effective alternatives in the control design and the benefits of Full Authority electronic control.
nCTT (Cummins Turbo Technologies) HX82/HX83 turbo-chargingutilizes exhaust energy with greater efficiency for improved emissions and fuel consumption. nLow Temperature After-cooling- Two-pump Two-loop (2P2L). nFerrous Cast Ductile Iron (FCD) Pistons- High strength design delivers superior durability. nG-Drive Integrated Design- Each component has been specifically developed and rigorously tested for G-Drive products, ensuring high performance, durability and reliability. nService and Support- G-Drive products are backed by an uncompromising level of technical support and after sales service, delivered through a world class service network. nCoolpac Integrated Design-Products are supplied complete with cooling package and air cleaner kit for a complete power package. Each component has been has been specifically developed and rigorously tested for G-Drive products, ensuring high performance, durability and reliability.
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