IS200EDCFG1BAA 激励器DC反馈板

零件号:IS200EDCFG1BAA
制造商:通用电气
制造国:美国
尺寸:高15.9厘米x宽10.2厘米
技术:表面贴装
工作温度:-30至65摄氏度
产品类型:激励器DC反馈板
供货情况:有现货
系列:EX2100

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产品详情

✦ 产品基本信息IS200EDCFG1BAA 激励器DC反馈板

零件号:IS200EDCFG1BAA
制造商:通用电气
制造国:美国
尺寸:高15.9厘米x宽10.2厘米
技术:表面贴装
工作温度:-30至65摄氏度
产品类型:激励器DC反馈板
供货情况:有现货
系列:EX2100

功能描述

IS200EDCFG1BAA是通用电气公司开发的励磁机DC反馈板。它是EX2100励磁系统的一部分。EDCF板测量EX2100系列驱动组件内SCR电桥上的励磁电流和电压。此外,它还通过高速光纤链路连接器充当与EISB板的接口。该板不可或缺的一部分是其LED指示灯,它可以提供电源正常工作的视觉反馈。

特征

  • 光纤接口:该板的主要功能之一是通过高速光纤链路与控制面板中的EISB板接口。这种创新的通信方法具有多种优势,包括电压隔离和高抗扰度,可确保两块电路板之间的可靠数据传输。
  • 塑料型光纤:这种类型的光纤适用于长达10米的距离,是控制系统设置中较短连接的理想选择。
  • 硬包层二氧化硅型:硬包层二氧化硅型光纤专为长距离设计,支持长达90米的连接。该选项为系统布局和安装提供了灵活性,允许信号在较长距离内有效传输。
  • 最小弯曲半径:需要注意的是,这两种类型的光纤的最小弯曲半径要求为1.5英寸。遵守此规范可确保正确处理和安装光缆,防止信号衰减并保持信号完整性。

励磁电流反馈

  • 磁场电流测量:磁场电流反馈机制在监控控制系统中位于SCR桥的DC分流器上的电流方面起着至关重要的作用。该设置产生一个与磁场电流成比例的低电平信号,最大幅度为500毫伏(mV)。
  • 信号处理:DC分流器产生的低电平信号被输入到一个称为差分放大器的专用电路。该放大器负责放大信号,同时还提供差分放大,以提高其精度和稳定性。差分放大器的输出电压经过仔细调节,范围在-5伏(V)至+5伏(V)之间。
  • 压控振荡器集成:差分放大器的稳定输出电压用作压控振荡器(VCO)的输入信号。VCO是一种电子振荡器,其振荡频率由电压输入控制。在这种情况下,VCO根据从放大器接收的输入电压幅度来调整其振荡频率。
  • 信号范围和控制:VCO的输出频率与输入电压信号的幅度成正比。通过调制振荡频率,VCO有效地将励磁电流的变化转化为输出频率的相应变化。这种频率调制提供了励磁电流状态的动态表示,从而能够在控制系统中进行精确的监测和控制。

IS200EDCFG1B

✦ 立即联系何经理18059884797

Part No.: IS200EDCFG1BAA
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Size: 15.9 cm high x 10.2 cm wide
Technology: Surface-mount
Temperature Operating: -30 to 65oC
Product Type: Exciter DC Feedback Board
Availability: In Stock
Series: EX2100

Functional Description

IS200EDCFG1BAA is an Exciter DC Feedback Board developed by GE. It is a part of the EX2100 excitation system. The EDCF board measures both field current and voltage across the SCR bridge within the EX2100 series drive assembly. Additionally, it serves as an interface with the EISB board via a high-speed fiber-optic link connector. An integral part of this board is its LED indicator, which provides visual feedback on the proper functioning of the power supply.

Features

  • Fiber-Optic Interface: One of the key features of the board is its interface with the EISB board in the control panel via a high-speed fiber-optic link. This innovative communication method offers several advantages, including voltage isolation and high noise immunity, ensuring reliable data transmission between the two boards.
  • Plastic Type Fiber: This type of fiber is suitable for distances of up to 10 meters, making it ideal for shorter connections within the control system setup.
  • Hard Clad Silica Type: Designed for longer distances, the hard-clad silica type fiber supports connections of up to 90 meters. This option provides flexibility in system layout and installation, allowing for efficient signal transmission over extended distances.
  • Minimum Bending Radius: It’s important to note that both types of fibers have a minimum bending radius requirement of 1.5 inches. Adhering to this specification ensures proper handling and installation of the fiber cables, preventing signal degradation and maintaining signal integrity.

Field Current Feedback

  • Field Current Measurement: The field current feedback mechanism plays a crucial role in monitoring the electrical current across a DC shunt located at the SCR bridge within the control system. This setup generates a low-level signal proportional to the field current, with a maximum amplitude of 500 millivolts (mV).
  • Signal Processing: The low-level signal generated by the DC shunt is input to a specialized circuit known as a differential amplifier. This amplifier is responsible for amplifying the signal while also providing differential amplification to enhance its accuracy and robustness. The output voltage from the differential amplifier is carefully regulated and ranges between -5 volts (V) to +5 volts (V).
  • Voltage Controlled Oscillator Integration: The regulated output voltage from the differential amplifier serves as the input signal to a voltage-controlled oscillator (VCO). A VCO is an electronic oscillator whose oscillation frequency is controlled by a voltage input. In this context, the VCO adjusts its oscillation frequency based on the magnitude of the input voltage received from the amplifier.
  • Signal Range and Control: The output frequency of the VCO is directly proportional to the amplitude of the input voltage signal. By modulating the frequency of oscillation, the VCO effectively translates variations in the field current into corresponding changes in the output frequency. This frequency modulation provides a dynamic representation of the field current status, enabling precise monitoring and control within the control system.
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