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SPECIFICATIONS:
Part Number: DS2020LPPB310A
Manufacturer: General Electric
Series: EX2000
Function: Line Protection Panel Module
Continuous Current Rating: 32 Amperes
Operating Voltage: Up to 700 VAC
Operating Temperature: 0°C to +60°C
Repair: 3-7 days
Availability: In Stock
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
DS2020LPPB310A is a Line Protection Panel Module manufactured and designed by General Electric as part of the EX2000 Series used in the GE Excitation Turbine Control systems. Its core function is to provide overcurrent and short-circuit protection for downstream electrical components and circuits within gas or steam turbine applications. The module ensures the safe distribution of electrical power by monitoring current flow and disconnecting power during fault conditions. It acts as a crucial safety interface between the control system and high-voltage electrical loads, helping to isolate and protect sensitive control electronics and power circuits from damage due to electrical faults.
The module supports a continuous load capacity of 32 amperes and operates at voltages up to 700 VAC, making it suitable for both medium and high-voltage industrial environments. Internally, it uses protective elements that sense abnormal current flow and automatically trip the circuit to prevent damage to vital equipment. Its response time is engineered to meet the fast-acting protection standards required in excitation systems, ensuring reliable turbine performance and equipment longevity. When a fault is detected, the module isolates the affected path and sends a trip signal to the control system, integrating seamlessly with GE's Mark V and EX2000 control logic.
INSTALLATION:
The module features secure terminal blocks for power inputs and load connections and integrates into the system via a backplane or cable harness, depending on the configuration. Installation must be carried out by certified technicians who ensure correct torque application on terminals, proper cable segregation, and adherence to GE grounding and safety standards. The module is designed to work in high-stress industrial environments and is suitable for both new installations and retrofits. It is often installed alongside other protection and distribution modules, such as the DS200TCP, and power distribution boards that provide feed lines and control signals. In many cases, it can also be hot-swapped if the system is configured to support live replacement, enhancing uptime during maintenance cycles.
OPERATION:
The DS2020LPPB310A operates as a continuously active protection device within the GE EX2000 excitation system or Mark V turbine control platform. Its primary operational role is to monitor the current flowing through critical power circuits and disconnect them in the event of abnormal conditions, such as overcurrent or short-circuit faults. The module remains energized during normal operation and permits uninterrupted current flow up to its rated capacity of 32 A at 700 VAC. Its protection mechanism is based on internal sensing components that detect rapid increases in current beyond defined trip thresholds.
When a fault is detected, the module initiates an immediate trip, opening the circuit and isolating the affected downstream equipment to prevent further damage. This action also sends a trip signal back to the system controller, typically to the C processor in Mark V or the relevant diagnostic module in EX2000. The controller, in turn, logs the event, triggers alarms, and may execute automated shutdown or isolation sequences depending on system configuration. The module’s trip response is tightly coordinated with other protection devices in the system to ensure selectivity, so only the faulted circuit is disconnected without affecting the rest of the plant's operation.
WOC proudly maintains the largest inventory of replacement parts for GE EX2000 Turbine Control Systems, ensuring that our customers have quick access to the critical components they need to keep their systems running smoothly. Whether you're looking for unused, rebuilt, or refurbished boards, we offer reliable solutions that are all backed by a comprehensive warranty for your peace of mind. In addition to supplying parts, we also provide expert repair services for faulty boards, helping you extend the life of your equipment and minimize downtime.
Our highly skilled team of engineers and technical specialists is available 24/7 to support your OEM and automation needs, offering expert guidance, fast turnaround times, and exceptional customer service. Whether you're maintaining an existing system or planning an upgrade, WOC is your trusted partner for all things related to GE Excitation control systems. For information on pricing, product availability, or repair services, please don’t hesitate to contact our team by phone or email. We’re always ready to assist you with your specific requirements.
What are typical current and voltage ratings for these modules?
Such modules are typically rated for continuous operation around 32 amperes and can support voltages up to 700 VAC, making them suitable for medium to high-voltage industrial applications.
Are these protection modules compatible with multiple turbine control platforms?
Yes, these modules commonly integrate with control systems such as GE’s EX2000 excitation system and Speedtronic Mark V turbine control platform, connecting via standard terminal blocks and communicating fault signals to the system controller.
How does the module indicate a trip or fault condition?
The module detects fault conditions through internal sensors and, when triggered, isolates the circuit and sends a trip signal to the system controller. The event is logged, and alarms may be activated on operator consoles.
Why is the protection module tripping frequently without an apparent load fault?
Frequent tripping may be due to incorrect current settings, harmonic distortion, loose wiring, or transient surges. Verify load characteristics, tighten all terminals, inspect the wiring insulation, and check for nearby high-frequency interference sources.
