Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Primary Role | Excitation system signal integration and data forwarding |
| Auxiliary Supply | 24 VDC, 18–30 VDC operating range |
| Signal Interfaces | Analog voltage/current sampling, optical fiber links, backplane connectors |
| Communication | Internal high-speed bus to regulator and power stage modules |
| Component Weight | 0.35 kg |
| Country of Origin | Switzerland |
| Operating Temperature | −20 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Dielectric Withstand | 1500 V isolation between low-voltage logic and field sensing circuits |
| Mounting | Rack-mounted PCB inside excitation cubicle |
| Compliance | CE, IEC 60034, IEC 61131 |
| Enclosure Rating | IP20, cabinet installation only |
Product Introduction
The ABB UFC718AE101 HIEE300936R0101 is the main interface integration board for ABB synchronous generator excitation systems. It collects VT and CT measurement signals, routes data to the regulation processor, and exchanges commands with the power bridge unit.
It carries on-board fault detection for signal loss and communication dropout. A direct drop-in replacement keeps the original excitation parameter set intact, so commissioning teams avoid full loop re-tuning after swap.

UFC718AE101

UFC718AE101

UFC718AE101

UFC718AE101

UFC718AE101
Application Scenarios & Field Experience
Many excitation outages trace back to the main interface board. When this board fails, all measurement and command paths between the regulator and power stage break, triggering an immediate generator trip. Matching hardware is critical because alternate boards use different signal mapping.
- Hydroelectric power plant: Grid-tied synchronous generator excitation signal acquisition and data transfer.
- Thermal power station: Steam turbine generator excitation cubicle main interface control.
- Industrial cogeneration plant: Island and grid-parallel generator excitation supervision.
- Onshore gas compression site: Prime power generator excitation control for remote process loads.
In my experience, a steam turbine unit had a UFC718AE101 fail after repeated thermal cycling inside the excitation cabinet. The spare board slotted into the existing rack without wiring changes. The team loaded the stored parameter file, and the generator synchronized back to grid within 40 minutes. No extended plant shutdown occurred.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Verify OEM labels, serial number, PCB trace quality, and anti-counterfeit markers against OEM documentation.
- Live Rig Testing: Install on matching excitation chassis, apply 24 VDC supply, run power-on self-test, confirm backplane and optical link handshake.
- Firmware Verification: Read and log firmware revision; align revision with the site’s existing excitation regulator firmware.
- Signal Simulation Test: Inject simulated voltage and current signals to validate sampling accuracy and fault flag triggers.
- ESD-Safe Packaging: Seal in static-dissipative bag, add foam cushion, rigid outer carton, and ESD warning labels before shipment.
Frequently Asked Questions
Q1: Is the UFC718AE101 HIEE300936R0101 compatible with all ABB excitation racks? A: It fits the matching excitation platform backplane and regulator family. Older regulator firmware may not recognize this board variant. Confirm the OEM compatibility matrix before installation.
Q2: What warranty coverage do you provide for this UFC718AE101 board? A: We offer 12 months warranty. Warranty covers factory-tested hardware defects; it does not cover surge damage, condensation, reversed wiring, or improper hot-swap operation.
Q3: Can this item ship immediately, or do we need to confirm stock lead time? A: Stock status updates on our website. If marked in stock, shipment can start within 1–3 business days. If inventory is depleted, we will quote confirmed lead time before order lock.
Q4: What happens if firmware revision does not match the existing excitation regulator? A: Mismatched firmware can corrupt sampled measurements or block command transmission to the power stage. Do not install the board live without a pre-install firmware review. We can supply the revision you specify if available.
Q5: Can I hot-swap the UFC718AE101 while the generator remains online? A: Hot-swap is not supported on this main interface board. You must switch the excitation system to manual control or take the generator offline first. Hot-swap during active operation will break signal paths and cause a generator trip.
