GE DS2020PDMAG3 Power Distribution Module

GE DS2020PDMAG3 Power Distribution Module

د.إ8,888.00

The DS2020PDMAG3 PDM acts as the central power hub, performing several critical tasks:

  • Power Routing and Distribution: It receives the customer’s main power (typically 125 VDC and 115 VAC / 230 VAC) and routes it to the different sections of the Mark V system, including the VME racks, I/O cabinets, and relay boards.
  • Fault Isolation: The board is equipped with multiple fuses for each output connector and circuit. This allows faults in one subsystem (like a short circuit on an I/O card) to be isolated by blowing a specific fuse, preventing a complete system shutdown.
  • Power Redundancy: It manages the interaction between the main DC power and backup DC power sources (often generated via AC/DC converters) to create a diode-linked backup system. This ensures that the sensitive control electronics maintain power even if one source fails.
  • Noise Filtering: It incorporates power filters (like a Control Power Filter, or CPF) to reduce EMI (Electromagnetic Interference) noise, ensuring a stable and “clean” power supply to the microprocessors and control boards.
  • Diagnostics: The PDM collects diagnostic data, monitoring factors like battery voltage, AC source status, and the health of feeder fuses. This data is then cabled to a dedicated diagnostic board (like the VCMI or VDSK) for monitoring and fault reporting.
  • Ground Fault Detection: It often contains circuitry to monitor the voltage between the floating power bus and the ground. This feature can detect bus leakage or a ground fault by monitoring any imbalance, triggering an alarm if an issue is found.
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الوصف

The GE DS2020PDMAG3 Power Distribution Module (PDM) is a specialized circuit board manufactured by General Electric, primarily for use in their industrial control systems, most notably the GE Speedtronic Mark V Turbine Control and associated drive series.

Its essential function is to manage and distribute the various power sources—both AC and DC—to the numerous electronic boards, terminal boards, and sub-assemblies within the control cabinet.

⚡ Key Functions and Specifications

The DS2020PDMAG3 PDM acts as the central power hub, performing several critical tasks:

  • Power Routing and Distribution: It receives the customer’s main power (typically 125 VDC and 115 VAC / 230 VAC) and routes it to the different sections of the Mark V system, including the VME racks, I/O cabinets, and relay boards.
  • Fault Isolation: The board is equipped with multiple fuses for each output connector and circuit. This allows faults in one subsystem (like a short circuit on an I/O card) to be isolated by blowing a specific fuse, preventing a complete system shutdown.
  • Power Redundancy: It manages the interaction between the main DC power and backup DC power sources (often generated via AC/DC converters) to create a diode-linked backup system. This ensures that the sensitive control electronics maintain power even if one source fails.
  • Noise Filtering: It incorporates power filters (like a Control Power Filter, or CPF) to reduce EMI (Electromagnetic Interference) noise, ensuring a stable and “clean” power supply to the microprocessors and control boards.
  • Diagnostics: The PDM collects diagnostic data, monitoring factors like battery voltage, AC source status, and the health of feeder fuses. This data is then cabled to a dedicated diagnostic board (like the VCMI or VDSK) for monitoring and fault reporting.
  • Ground Fault Detection: It often contains circuitry to monitor the voltage between the floating power bus and the ground. This feature can detect bus leakage or a ground fault by monitoring any imbalance, triggering an alarm if an issue is found.

Part Number Breakdown

  • DS2020: Indicates the product generation/family (associated with the modular Mark V architecture).
  • PDMA: Stands for Power Distribution Module Assembly.
  • G3: Specifies the Group 3 revision or configuration of the board.

The PDM is indispensable in the Mark V system as it guarantees a reliable, filtered, and protected power supply, which is foundational to the system’s high reliability and fault-tolerant design.

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