GE IS210WSVOH1AE & IS200WSVOH1ADD WSVO Servo Driver Board Assembly

Technical Specifications

Model: IS210WSVOH1AE，IS200WSVOH1ADD

Part Number: IS210WSVOH1AE，IS200WSVOH1ADD

Brand: GE（GE Vernova）

Product Type: WSVO servo driver power amplifier board assembly

Matching System: GE Speedtronic Mark VI, Mark VIe turbine control system, cooperates with PSVO pack and TSVC servo terminal board

Power Supply:28VDC auxiliary power supply, working range 22.5‑28.5VDC

Servo Drive:High‑power current amplification for 2‑channel electro‑hydraulic servo valves

Feedback Processing:LVDT valve‑position signal conditioning and filtering circuit

Protection Mechanism:Built‑in over‑current, short‑circuit, over‑temperature hardware protection

Bus Interface:VME backplane bus signal interface

Redundancy Mode:Support simplex and TMR triple‑modular redundant configuration

Diagnostic Indicator:Front‑panel LED indicators for power status, over‑temperature and fault alarm

Coating:AE / DD grade conformal coating for harsh power‑plant environment

Installation:Mark VI / Mark VIe VME rack plug‑in installation

Operating Temperature:‑40℃ ~ +70℃, non‑condensing

Protection Class:IP20

Weight:0.82kg

Dimension:330mm ×178mm ×32mm

Compatible System:Gas‑steam turbine, combined‑cycle power plant control cabinet

Core Function: WSVO servo power amplifier board assembly for Mark VI / Mark VIe turbine control system. It receives low‑level servo control command signals from PSVO I/O pack, completes power amplification and outputs driving current to field electro‑hydraulic servo valves. Meanwhile it conditions LVDT valve‑position feedback signals and feeds back to upper‑level control unit. Supports TMR triple‑modular redundant deployment, realizes high‑precision closed‑loop position control for fuel valve, steam valve and inlet guide vane of turbo‑generator unit. Built‑in multi‑layer hardware protection effectively prevents servo loop damage caused by field short‑circuit and overload faults.

Product Details

The IS210WSVOH1AE and IS200WSVOH1ADD are WSVO series servo driver power amplifier board assemblies for GE Speedtronic Mark VI / Mark VIe turbine control system.

IS210WSVOH1AE applies to Mark VIe distributed turbine control system; IS200WSVOH1ADD is the corresponding board for Mark VI VME rack system. These two boards must work cooperatively with PSVO servo I/O pack and TSVC servo terminal board, cannot run independently. The board converts small analog control signals from PSVO into high‑power driving current for electro‑hydraulic servo valves, and processes LVDT position feedback signals. Multiple hardware protection circuits monitor current and temperature in real‑time, and trigger protection locking when abnormal conditions occur. Front‑panel LED indicators help engineers quickly judge servo loop running status and locate field wiring faults.

Conformal coated PCB enhances anti‑vibration, moisture‑proof and anti‑electromagnetic‑interference performance, adapts to severe working environment of power‑plant turbine hall. Widely used in simplex and TMR triple‑modular redundant turbo‑generator unit control cabinets.

It belongs to key power‑amplifier spare‑part for turbine servo control loop, widely used in overhaul and renovation projects of gas‑steam turbine generating units.

It is important spare hardware for turbine servo loop debugging and defective WSVO driver board replacement.