General Electric IS200EXCSG1A Exciter Conduction Sensor Board

The GE IS200EXCSG1A Exciter Conduction Sensor Board is an advanced monitoring and feedback circuit board developed for GE Mark VI and related excitation systems.

It serves as the critical interface between the exciter power stage and the control logic, sensing conduction currents and providing real-time data to the system’s regulator.

By continuously measuring and transmitting conduction signals, the IS200EXCSG1A enables precise generator field control, ensuring stable voltage, optimal excitation, and enhanced system protection.

Its rugged PCB design, robust connectors, and high-accuracy sensor network allow it to operate reliably in demanding industrial and utility environments such as power generation stations, marine propulsion systems, and heavy industrial drives.

Product Specifications

Applications

The IS200EXCSG1A is designed for high-precision current conduction monitoring in a variety of critical installations:

• Steam and Gas Turbine Generators – provides exciter current sensing for closed-loop voltage regulation.

• Hydroelectric Power Plants – ensures accurate excitation feedback under varying hydraulic load conditions.

• Industrial Motor Drives – integrates with synchronous motors requiring precise excitation feedback.

• Marine Propulsion Systems – supports onboard generators and thruster systems where excitation accuracy is essential.

• Renewable Energy Systems – assists in excitation control for wind and small hydro synchronous generators.

• Grid Stabilization Equipment – contributes to reactive power control and frequency stabilization through precise current sensing.

Advantages

• High-Accuracy Sensing – delivers low-noise, real-time conduction measurements for optimal generator excitation.

• Robust Isolation – 1500 V RMS isolation protects sensitive control circuits from high-power transients.

• Wide Operating Range – performs reliably from –20 °C to +65 °C, suitable for harsh environments.

• Integrated Filtering – on-board low-noise filters reduce interference and improve measurement integrity.

• Diagnostic LEDs – instant visual status for power and signal integrity, aiding maintenance.

• Modular Integration – fits standard GE excitation racks for easy replacement and system upgrades.

• Industrial-Grade Durability – built on high-temperature FR-4 substrate for long-term stability.

• Flexible Signal Output – supports both current loop and voltage feedback to match diverse control schemes.

FAQ

1. What is the primary role of the IS200EXCSG1A?

   It senses exciter conduction current and provides isolated feedback to the Mark VI control system.

2. Which excitation platforms are compatible with this board?

   It is designed for GE Mark VI and other GE exciter systems using similar interface standards.

3. What is the required DC supply voltage?

   Nominal 24 V DC, with an acceptable range of 18–30 V DC.

4. Does the board provide galvanic isolation?

   Yes, 1500 V RMS isolation between input sensing circuits and output signals.

5. What types of feedback signals are supported?

   The board supports both 4–20 mA current loop and ±5 V analog outputs.

6. Are there built-in filters to suppress noise?

   Yes, it incorporates active low-noise filters for stable signal integrity.

7. What is the operating temperature range?

   –20 °C to +65 °C for continuous operation.

8. How is operational status indicated?

   Dual LEDs provide power and signal integrity indicators.

9. Can this board be hot-swapped?

   It is recommended to de-energize the system before replacement to avoid transient faults.

10. Is this board RoHS compliant?

    Yes, it is RoHS compliant and CE/UL recognized for industrial use.