IS200GDDDG1ACA – Dynamic Discharge board

The IS200GDDDG1ACA – Dynamic Discharge Board is an advanced circuit board designed for use in GE industrial and drive control systems. It plays a crucial role in safely discharging dynamic braking energy, ensuring system protection and operational stability.

At Evaflux Industrial Automation, we supply this important module in UNUSED and REBUILT condition—each unit thoroughly tested for performance, reliability, and safety. This board is essential for maintaining control system efficiency and preventing damage due to overvoltage during braking cycles.

With our same-day shipping service and knowledgeable support team, Evaflux helps you avoid costly downtime and keep your operations running smoothly. Whether you’re replacing a damaged unit or stocking for future use, we offer reliable delivery and competitive pricing.

To get the best deal on the IS200GDDDG1ACA – Dynamic Discharge Board, contact Evaflux today. We’ll get back to you within 24 hours with expert assistance and a prompt quotation.

The IS200GDDDG1ACA Dynamic Discharge Board is an advanced control and protection module used in GE’s EX2100 and EX2000 excitation systems. It plays a crucial role in ensuring stable operation of turbine-generator excitation by handling gating signals, providing isolation between the IGBT bridge and control processors, and managing dynamic discharge of stored energy in the DC link.

This board is responsible for controlling the safe release of energy from capacitors in transient or fault conditions, protecting both the exciter and turbine systems. By interfacing with IGBT legs and excitation regulators, it enables reliable control of generator excitation under varying load and system conditions.

Key Features

• Interface Isolation – Provides galvanic isolation between the IGBT bridge and main processor circuits for enhanced system safety.

• Dynamic Discharge Control – Manages controlled release of stored energy in DC link capacitors, preventing overvoltage and equipment damage.

• IGBT Gating – Supplies gating circuits for both A-leg and B-leg IGBTs with precise timing for accurate switching.

• Instrumentation Inputs – Monitors DC output voltage, DC link voltage, current feedback, and thermistor temperature for real-time protection and control.

• Feedback to Regulators – Transmits measured parameters to excitation regulators or load drop compensation controllers to support closed-loop control.

• Configurable Jumpers – On-board jumpers allow adaptation of voltage and discharge levels to specific system requirements.

• LED Indicators –

  • Bridge OK – Confirms IGBT bridge health.

  • IMOK – Indicates system readiness with no faults.

  • DD AUX POWER – Shows auxiliary supply availability for the discharge circuit.

• Robust Design – Rated for operation between –30 °C to +65 °C, built with surface-mount technology and protective coating for durability.

• Flexible Availability – Available in new or refurbished condition, making it suitable for spares or system upgrades.

Applications

The IS200GDDDG1ACA board is widely deployed in power plants and industrial facilities using GE excitation systems. It is essential in large turbine-generator installations where precise excitation control and safety are required. Its role in dynamic discharge and gating ensures reliable performance during load changes, system transients, and emergency shutdowns.

With its ability to integrate seamlessly into GE EX2100 and EX2000 systems, this board is a key spare for operators aiming to maintain uptime, extend equipment life, and ensure safe operation of critical power generation assets.

Contact Information

For inquiries, pricing, or technical assistance regarding the IS200GDDDG1ACA Dynamic Discharge Board, contact:

Evaflux Private Limited
📞 Phone: +91 7303573946
📧 Email: support@evaflux.com