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有源电力滤波器

有源电力滤波器
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  有源电力滤波器 Active power filter

  产品概述:

  “DR”牌有源电力滤波器以并联的方式接入电网,通过实时检测负载的谐波和无功分量,采用PWM变换技术,将与谐波和无功分量大小相等、方向相反的电流注入供配电系统中,实现抑制谐波、动态补偿无功的功能。

  “DR” brand the active power filter with parallel connected to the grid, through real-time detecting the load harmonic and reactive component and the PWM converter technology, and harmonic and reactive components of equal size, direction instead of the current injection in power supply and distribution system, the realization of function to suppress harmonic and dynamic reactive power compensation.

  结构特征:

  1. 滤波效果佳:采用基于瞬时无功功率理论的谐波电流检测技术,实时检测谐波电流。通过瞬时电流跟踪控制,实现谐波电流动态补偿,自动跟踪电网谐波变化,具有高度可控性和快速响应性。

  2. 一机多能:不仅能治理谐波,而且能补偿无功、提高功率因数。既可对单个谐波源独立补偿,也可对多个谐波源集中补偿。治理谐波时还可实现对指定次谐波进行治理。可做为谐波源使用。

  3. DSP智能监控:DSP高速检测和运算,确保谐波检测和补偿控制精准有效;兼具智能监控功能,装置操控灵活,运行参数、工作状态一目了然,故障自动诊断;具备远程通讯接口,可通过PC机实时监控。

  4. 先进的设计:采用最新的IGBT高频开关器件,主电路拓扑为三相桥式全控PWM变流器,具有体积小、效率高、可靠性高的特点,先进的多重化技术实现整机容量的扩展。

  5. 标准模块设计:功率电路和控制电路采用模块或组(插)件结构,在实现标准化生产的同时提高了使用中的可靠性和可维修性。

  1. Filtering effect is good:

  The harmonic current detection technique based on instantaneous reactive power theory is used in real time detection of harmonic current. Through the instantaneous current tracking control, the harmonic current dynamic compensation is realized, and the harmonic changes of the power network are automatically tracked, with the highly controllable and fast response.

  2. Flexible compensation:

  A machine can not only control the harmonics, but also can compensate reactive power, improve power factor. Can a single harmonic source independent compensation, and centralized compensation for multi harmonic sources. The control of the harmonics can also be realized by the control of the specified harmonics. As the use of harmonic sources.

  3. DSP intelligent monitoring:

  DSP high speed detection and operation, to ensure that the harmonic detection and compensation control is accurate and effective, both intelligent monitoring function, flexible control device, operating parameters and working status at a glance, the automatic fault diagnosis; With remote communication interface, through the PC real-time monitoring.

  4. Advanced power conversion design:

  IGBT high frequency switching device using the latest and topology of the main circuit for three-phase fully controlled bridge PWM converter, with characteristics of small size, high efficiency, high reliability, advanced technology to realize equipment capacity expansion.

  5. Standard modular design:

  Power circuit and control circuit of the module or group (in) structure, in the realization of standardized production and improve the use reliability and maintainability.

  主要参数:

  1.使用条件:环境温度-10℃~+45℃。

  2.海拔高度:海拔1000米以下。

  3.额定电压:0.4Kvac、0.69Kvac、1.14Kvac。

  4.额定容量:50A~5000A。

  5.响应时间:≤10ms。

  6.滤波范围:2~60次谐波。

  7.滤波能力:≥95%(THDi)。

  8.运行方式:单机/多机并联运行。

  9.执行标准: IEC50178,GB12325,GB14549,GB15543。

  1. Application conditions: Ambient temperature -10℃~+45℃.

  2. Altitude: Altitude lower than 1000M.

  3. Rated voltage:0.4Kvac、0.69Kvac、1.14Kvac.

  4. Rated output: 50~5000A.

  5. Response time: ≤10ms.

  6. Harmonic order: 2~60th.

  7. THDi correction ratio: ≥95%.

  8. Operating mode: single/parallel.

  9.Applicable standard: IEC50178,GB12325,GB14549,GB15543.


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