GE IC3600SPRA1 Pulse Rate Card
⁦GE IC3600SPRA1 Pulse Rate Card⁩ - الصورة ⁦2⁩

GE IC3600SPRA1 Pulse Rate Card

The IC3600SPRA1 works by receiving signals from a proximity sensor or a magnetic pickup, which generates a pulse for every tooth on a gear or a notched wheel on the rotating shaft. The card then processes these pulses.

  • Speed Measurement: Its core function is to measure the rotational speed of the turbine. The pulse rate is directly proportional to the machine’s speed (e.g., more pulses per second means a higher speed). The card converts this pulse rate into a calibrated speed signal.
  • Control and Safety: This speed signal is crucial for the overall operation of the turbine. It’s used by the main controller for a variety of functions, including:
    • Speed Regulation: Maintaining the turbine’s speed within a desired range.
    • Synchronization: Ensuring the generator is spinning at the correct speed to match the grid’s frequency before connecting.
    • Overspeed Protection: Acting as a safety interlock to shut down the turbine if it exceeds a safe operating speed.
  • Robust Design: Like other GE industrial control boards, it is built to withstand the harsh conditions of a power plant, including vibrations, temperature fluctuations, and electromagnetic interference.
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الوصف

The GE part number IC3600SPRA1 is a Pulse Rate Card. This specialized electronic circuit board is a component of GE’s legacy turbine control systems, specifically the Mark I and Mark II series. Its primary function is to measure and interpret the pulse rate of a rotating machine, like a turbine or generator, and convert this information into a usable signal for the control system.

 

Function and Key Features

 

The IC3600SPRA1 works by receiving signals from a proximity sensor or a magnetic pickup, which generates a pulse for every tooth on a gear or a notched wheel on the rotating shaft. The card then processes these pulses.

  • Speed Measurement: Its core function is to measure the rotational speed of the turbine. The pulse rate is directly proportional to the machine’s speed (e.g., more pulses per second means a higher speed). The card converts this pulse rate into a calibrated speed signal.
  • Control and Safety: This speed signal is crucial for the overall operation of the turbine. It’s used by the main controller for a variety of functions, including:
    • Speed Regulation: Maintaining the turbine’s speed within a desired range.
    • Synchronization: Ensuring the generator is spinning at the correct speed to match the grid’s frequency before connecting.
    • Overspeed Protection: Acting as a safety interlock to shut down the turbine if it exceeds a safe operating speed.
  • Robust Design: Like other GE industrial control boards, it is built to withstand the harsh conditions of a power plant, including vibrations, temperature fluctuations, and electromagnetic interference.

 

Applications

 

The IC3600SPRA1 is a legacy component, so it’s primarily used in power generation facilities that still operate GE’s older Mark I and Mark II turbine control systems. It’s an essential part of the speed sensing and protection system for:

  • Gas Turbines: To accurately measure and control the speed of the gas turbine and its associated generator.
  • Steam Turbines: To monitor the speed of the steam turbine and prevent overspeed conditions.

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