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- IS200EDEXG1B
- Exciter Demagnetizing Plate
- USA
- 38 × 330 × 250 mm
- 1.36 kg
- Xiamen, China
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Product Overview
The GE IS200EDEXG1B is an Exciter Demagnetizing Plate used in GE Mark VI / EX2100 excitation systems. It is designed to dissipate residual magnetic energy in the generator field circuit, ensuring safe shutdown, system protection, and stable operation of excitation equipment.
This component is part of the excitation protection chain and is essential for preventing overvoltage conditions and protecting power electronics during de-excitation events.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Model | IS200EDEXG1B |
| Product Type | Exciter Demagnetizing Plate |
| System Series | GE Mark VI / EX2100 excitation systems |
| Function | Residual magnetic energy dissipation (de-excitation) |
| Application Type | Generator field protection |
| Circuit Type | Passive energy dissipation / discharge assembly |
| Operating Role | Field energy discharge path during shutdown |
| Power Handling | High-energy transient dissipation |
| Control Dependency | Works with de-excitation control modules |
| Protection | Overvoltage suppression and thermal dissipation |
| Mounting Type | Exciter rack / cabinet mounted plate |
| Operating Environment | Industrial control cabinet |
| Humidity Range | 5%–95% non-condensing |
| Material | Industrial-grade conductive and heat-resistant assembly |
| Dimensions | 38 × 330 × 250 mm |
| Weight | 1.36 kg |
Function and Working Principle
The IS200EDEXG1B operates as a passive energy discharge and demagnetizing component in the excitation system.
Its core functions include:
- Providing a controlled path for field energy dissipation
- Reducing residual magnetic flux in generator windings
- Supporting safe de-excitation during shutdown or fault events
- Preventing voltage spikes caused by trapped magnetic energy
- Protecting excitation and bridge electronics from overvoltage stress
It acts as a safety and energy control element within the excitation discharge chain.
Role in Industrial Control Systems
Within GE excitation architectures, the IS200EDEXG1B provides:
- Controlled demagnetization of generator field circuits
- Protection during emergency shutdown (trip conditions)
- Energy discharge support for excitation subsystems
- Reduction of electrical stress on SCR and bridge components
- Improved system safety and operational reliability
Industrial Applications
The GE IS200EDEXG1B is widely used in:
- Gas turbine excitation systems
- Steam turbine generator systems
- Power generation plants
- Generator protection and shutdown systems
- Industrial energy and utility systems
- High-power electrical excitation environments
Installation and System Integration
Recommended installation practices include:
- Installing within GE Mark VI / EX2100 excitation cabinet
- Ensuring secure mounting and thermal clearance
- Maintaining correct grounding and shielding
- Verifying proper connection with excitation discharge circuits
- Ensuring compliance with system safety procedures
Compatible System Components
The IS200EDEXG1B typically works with:
- Excitation control boards (EDEX control modules)
- DC feedback boards (EDCFG series)
- Bridge interface boards (EBRGH series)
- Gate driver amplifier modules
- Exciter backplates (EBKPG series)
- Power bridge and discharge assemblies
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| IS200EDEXG1B | Demagnetizing Plate | Energy dissipation | Excitation systems |
| IS200EDEXG1A | Demagnetizing Plate | Earlier revision | Similar function |
| IS200EDCFG1B | DC feedback board | Signal monitoring | Control systems |
| IS200EBRGH2A | Bridge interface | Power/control interface | Excitation systems |
| IS200DAMCG1A | Gate driver amplifier | Power switching control | Drive systems |
Key Advantages
- Effective dissipation of residual magnetic energy
- Protects excitation system from voltage spikes
- Enhances generator shutdown safety
- Supports stable de-excitation process
- Industrial-grade durability and thermal resistance
- Improves overall system reliability
Technical FAQs
What is the IS200EDEXG1B used for?
It is used to dissipate residual magnetic energy in generator excitation systems.
Is it an active control board?
No, it is a passive protection and discharge component.
Why is demagnetization important?
It prevents dangerous voltage spikes during shutdown or faults.
Where is it installed?
In GE Mark VI or EX2100 excitation cabinets.
Conclusion
The GE IS200EDEXG1B Exciter Demagnetizing Plate is a critical protective component in GE excitation systems. It ensures safe energy discharge, prevents overvoltage conditions, and protects generator and excitation equipment during shutdown events, making it essential for reliable power generation operation.