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The GE part number IS200JPDHG1A is a Heavy-Duty (HD) 28VDC Power Distribution Card for the Mark VIe Excitation Control System. Its primary function is to safely and reliably distribute incoming 28VDC power to the various electronic cards and modules within the control cabinet, especially in applications that require a more robust power infrastructure. ⚡
Function and Key Features
This power distribution card is a passive, but critical, component that provides a centralized and protected point for the system’s power. It’s a “heavy-duty” version, meaning it’s built to handle higher current loads and provide greater reliability.
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- DC Power Distribution: The board takes an incoming 28VDC power source and routes it to various outputs. These outputs are connected to the system’s power supply cards, which provide the regulated DC voltages needed by the control cards.
- Circuit Protection: The card contains fuses or circuit breakers for each power output. This is a crucial safety feature that protects downstream modules from overcurrent conditions or short circuits.
- Heavy-Duty Design: The “HD” designation indicates a more robust design, capable of handling a larger number of connections or higher current draws compared to a standard distribution card.
- Terminal Interface: The board provides a set of robust terminals for landing the incoming DC power cables and the outgoing cables to the power supplies. This simplifies wiring and maintenance.
Applications
The IS200JPDHG1A is a key component in power generation facilities that utilize GE’s advanced control systems. It’s especially used in applications where a more resilient power distribution system is needed. It is essential for:
- System Reliability: By providing organized and protected power distribution, it ensures that a fault in one section of the control system does not cause a cascade failure.
- Safety: It protects both the equipment and personnel by safely isolating overcurrent faults.
