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- GE
- IS200ERDDH1A
- Dynamic Discharge Plate
- USA
- 231.7 x 63.5 x 50.8 mm
- 0.36 kg
- Xiamen, China
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Product Overview
The GE IS200ERDDH1A is a Dynamic Discharge Plate used in GE EX2100 / Mark VI excitation systems. It is designed to safely dissipate stored electrical energy from excitation circuits, particularly during shutdown, fault conditions, or rapid de-excitation events.
This component is critical for protecting power electronics and ensuring safe system transitions, especially in high-energy generator excitation environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Model | IS200ERDDH1A |
| Product Type | Dynamic Discharge Plate |
| System Series | GE EX2100 / Mark VI excitation systems |
| Function | Controlled discharge of stored electrical energy |
| Application Type | Excitation system protection |
| Circuit Type | Passive energy dissipation assembly |
| Operating Role | Dynamic energy discharge during de-excitation |
| Power Handling | High transient energy absorption capability |
| Control Dependency | Works with excitation discharge control circuits |
| Protection | Overvoltage suppression and thermal dissipation |
| Mounting Type | Exciter cabinet / rack-mounted |
| Operating Environment | Industrial control cabinet |
| Humidity Range | 5%–95% non-condensing |
| Material | Industrial-grade resistive and conductive assembly |
| Dimensions | 231.7 × 63.5 × 50.8 mm |
| Weight | 0.36 kg |
Function and Working Principle
The IS200ERDDH1A operates as a dynamic energy discharge component within the excitation system.
Its core functions include:
- Providing a controlled discharge path for stored electrical energy
- Rapidly dissipating energy during system shutdown or fault conditions
- Reducing voltage spikes caused by inductive energy release
- Protecting excitation system components from electrical stress
- Supporting safe and stable de-excitation processes
It functions as a protective discharge element integrated into excitation energy management.
Role in Industrial Control Systems
Within GE excitation architectures, the IS200ERDDH1A provides:
- Controlled energy dissipation during transient conditions
- Protection for power electronics and excitation circuits
- Support for safe generator shutdown procedures
- Reduction of electrical stress and overvoltage risks
- Improved system safety and reliability
Industrial Applications
The GE IS200ERDDH1A is widely used in:
- Gas turbine excitation systems
- Steam turbine generator systems
- Power generation plants
- Generator protection and shutdown systems
- Industrial energy control systems
- High-power electrical environments
Installation and System Integration
Recommended installation practices include:
- Installing within GE excitation control cabinet
- Ensuring secure mounting and thermal clearance
- Verifying proper electrical connection to discharge circuits
- Maintaining adequate ventilation for heat dissipation
- Performing functional checks during commissioning
Compatible System Components
The IS200ERDDH1A typically works with:
- Excitation control modules
- Demagnetizing plates (EDEXG series)
- DC feedback boards (EDCFG series)
- Gate pulse amplifier boards
- Power bridge assemblies
- Exciter backplates and distribution modules
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| IS200ERDDH1A | Dynamic discharge plate | Energy dissipation | Excitation systems |
| IS200EDEXG1B | Demagnetizing plate | Residual magnetic energy control | Generator excitation |
| IS200EDCFG1B | DC feedback board | Signal monitoring | Control systems |
| IS200EPDMG1B | Power distribution module | DC power routing | Excitation systems |
| IS200EGPAG1B | Gate pulse amplifier | Power switching control | Exciter systems |
Key Advantages
- Effective dissipation of stored electrical energy
- Protects excitation system from voltage spikes
- Enhances safety during shutdown and fault conditions
- Supports stable de-excitation processes
- Robust design for high-power applications
- Improves overall system reliability
Technical FAQs
What is the IS200ERDDH1A used for?
It is used to safely discharge stored energy in excitation systems.
Is it an active control module?
No, it is a passive protection component.
Why is dynamic discharge important?
It prevents damage caused by sudden energy release during shutdown or faults.
Where is it installed?
Inside GE EX2100 or Mark VI excitation cabinets.
Conclusion
The GE IS200ERDDH1A Dynamic Discharge Plate is a critical protection component in GE excitation systems. It ensures safe and controlled energy dissipation, protects system components from electrical stress, and supports reliable operation of turbine and generator systems in industrial power environments.