DS200TCPDG3B - Power Distribution Module

SPECIFICATIONS:

Part Number: DS200TCPDG3B
Manufacturer: General Electric
Series: Mark V LM
Product Type: Power Distribution Module
Number of channels: 24
Power supply voltage: 28 V dc
Voltage Range: 14 to 32 V dc
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -30 to 65°C
Size: 30 cm high x 18 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States

FUNCTIONAL DESCRIPTION:

DS200TCPDG3B is a Power Distribution Module manufactured and designed by General Electric as part of the Mark V LM Series used in GE Speedtronic Gas Turbine Control Systems. The Power Distribution Module (TCPD) in the core supplies 125 V dc power to the TCPS boards in each I/O core, the Control Engine core, and the TCEA boards in the core. The TCPD board includes switches for powering down each core individually. The digital I/O cores ( and ) are powered by their respective I/O cores and, rather than the core itself. The TCPD board provides power directly to the DTBA, DTBC, and DTBD terminal boards on the cores for solenoids and wetted contact inputs. The TCPD board supplies 120/240 V AC to the ignition transformers.

• The JZ1 connector on the TCPD board in the core reads and writes the power signals to the TB2 terminal board. TB2 also allows the excitation voltage for contact inputs (DTBA and DTBB terminal boards in the and cores) to be 125 V dc sourced from core or optionally 24 V dc to be used for the excitation voltage.
• This 24 V dc can either be sourced from the core or an externally isolated 24 V dc supply. The TCEA boards in the core use the 24 V dc signals.
• The 24 V dc power for diagnostics comes from the TCPD board in the core. A bypass relay that allows the COREBUS to continue to communicate if power is lost to the CTBA terminal board is located on the CTBA terminal board.

TCPD POWER:

The TCPD board is hardwired to receive external 115/230 V ac and 125 V dc power through TB1 on the core. If ac power is given, it is converted to 125 V DC in a DACA (ac to DC) using the JZ2 connection. Power is distributed from to the cores and boards via the connectors indicated above. Contact #18 on the DTBC board in the core has an optional JZ3 connection for applications that require decreased voltages. The JZ1 connector further conditions the power provided to TCEA boards in the core through resistors. If ac power is present, the JZ5 connector supplies ac power to the ignition transformer outputs.

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FREQUENTLY ASKED QUESTIONS:

How does a Power Distribution Module enhance turbine control system performance?

By efficiently managing power distribution, a PDM helps optimize the performance of various turbine components. It ensures a consistent and reliable power supply, which is crucial for maintaining operational efficiency and safety.

What are the safety considerations when using a Power Distribution Module?

Safety is paramount when dealing with electrical systems. Proper installation, grounding, and insulation are essential to prevent electrical hazards such as shocks, short circuits, and fires. Regular maintenance and inspections also help ensure the continued safe operation of the PDM.

How does a Power Distribution Module contribute to system reliability and uptime?

By efficiently managing power distribution and incorporating features like fault detection and isolation, a PDM helps minimize the risk of system failures and downtime. This contributes to overall system reliability and ensures uninterrupted operation of the turbine.