Configured for potential transformer (PT) and current transformer (CT) signal conditioning in Mark VI Speedtronic system architectures, the GE IS200EPCTG1AAA (IS200EPCT Exciter PT/CT Board) provides direct physical/electrical execution. It serves as an analog measurement input board, receiving high-voltage and high-current AC feedback signals from power generator potential and current transformers, scaling them to low-level control voltages, and delivering conditioned feedback to the primary turbine and exciter control loops. The board is designed as a normal assembly without a metallic VME rack faceplate, relying on direct cabinet panel or frame mounting within the exciter control assembly.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200EPCTG1AAA |
| Brand | General Electric (GE) |
| Power Consumption | System backplane / bus powered |
| Series | Mark VI Speedtronic |
| Product Type | Exciter PT/CT Board (EPCT) |
| Functional Revision Level | 3 revisions (2 functional, 1 artwork revision) |
| Backwards Compatibility | Compatible across the first two functional revisions |
| Assembly Type | Normal Assembly (no VME metallic faceplate) |
| Signal Inputs | Potential Transformer (PT) & Current Transformer (CT) feeds |
Firmware Flash Compatibility and Signal Scaling
The IS200EPCTG1AAA maintains strict backward compatibility across functional revision levels to ensure seamless integration with active GE Toolbox firmware flash structures. The board scales raw high-magnitude AC PT and CT secondary outputs down to low-voltage analog inputs processed directly by the central controller. Maintaining precise attenuation ratios and low phase-shift characteristics allows the Mark VI system to execute real-time power regulation, generator synchronizing, and overcurrent protection functions without signal propagation delays.
Frequently Asked Questions
Q: Can the IS200EPCTG1AAA board be mounted directly into a standard VME card rack?
A: No. The IS200EPCTG1AAA is a normal assembly board that lacks a metallic VME installation faceplate, requiring direct mounting within the designated control cabinet frame or backplane interface assembly.
Q: How are the three revision levels of the IS200EPCTG1AAA structured?
A: The board includes two functional hardware revisions and one artwork configuration revision. Functional backward compatibility is maintained across the first two revisions.
Q: What primary electrical inputs does the IS200EPCTG1AAA board process?
A: It processes secondary voltage and current signals from generator Potential Transformers (PT) and Current Transformers (CT) for system feedback monitoring.
Field Installation Guidelines
- Ensure the control panel is fully de-energized and main generator PT/CT secondary circuits are shorted or isolated prior to board handling.
- Wear an ESD grounding wrist strap connected to an unpainted metal chassis frame during installation to prevent component damage.
- Position the board over the designated panel mounting standoffs within the exciter enclosure, taking care not to flex the surface-mount PCB assembly.
- Secure the board using the specified mounting hardware and verify proper terminal/connector alignment before tightening fasteners.
- Inspect all PT and CT signal wiring for correct polarity and solid terminal connection, ensuring shield drain wires are grounded at one end only.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
ABB NTAC-02 58967441 Pulse Encoder Interface Module
$99.00
$199.00
GE Fanuc IC610MDL116 Series One Analog Input Module
$99.00
$199.00
ABB 1SBL351001R8011 A50-30-11 DC Contactor
$99.00
$199.00
ABB NDCU-21 63985317B Drive Control Unit
$99.00
$199.00
Bently Nevada 3300/12-02-20-00 Power Supply Module
$50.00
$100.00
ABB TB840A 3BSE037760R1 Modulebus Cluster Modem
$99.00
$199.00
ABB 1VCR017053G0006 VSC Power Supply and Control Board
$99.00
$199.00
Bently Nevada 3500/40-03-01 Proximitor Monitor Module
$100.00
$120.00
ABB DSBC172 Advant Master Bus Repeater Module
$99.00
$199.00
ABB NPOW-41 Power Supply Board
$99.00
$199.00
Bently Nevada 3500/45 Position Monitor Module
$100.00
$120.00
Bently Nevada 3300/55 Dual Velocity Monitor
$99.00
$199.00
ABB FPR3315101R1032 ICSI16D1 CS31 I/O Remote Unit 24 Vdc
$99.00
$199.00
ABB 3BHE021951R0124 KVC758 A124 Power Supply Module
$99.00
$199.00
GE Fanuc A02B-0091-C113 Macro Cassette B Memory Module
$99.00
$199.00
Guide
Translation missing: en.general.search.loading