Field Supply Amplification for EX2000 Generator Systems
The GE DS200FSAAG1A DS200FSAAG1ABA amplifies field supply signals for EX2000 generator excitation systems. This board boosts low-level control signals to drive the main field power stage. It ensures stable and responsive generator voltage regulation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DS200FSAAG1A DS200FSAAG1ABA |
| Category | Field SPLY Amplifier |
| Height | 250 mm |
| Width | 120 mm |
| Depth | 30 mm |
| Weight | 0.580 kg |
| Input Signal | ±10 V DC (from excitation control) |
| Output Voltage | 0 to 300 V DC |
| Output Current | 10 A continuous, 20 A peak |
| Amplifier Type | Linear (Class AB) |
| Gain | 30:1 (10 V to 300 V) |
| Bandwidth | 1 kHz typical |
| Rise Time | 500 µs (10% to 90%) |
| Linearity | ±0.5% of full scale |
| Protection | Overcurrent, overtemperature |
| Heat Sink | Aluminum extruded (passive) |
| Connector Type | 1 x 10-pin input, 1 x 6-pin output |
| Status Indicators | 2 x LEDs (PWR, FLT) |
| Internal Components | 4 power transistors, 2 driver ICs, 1 heatsink, 1 temperature sensor |
| Energy Storage | 2200 µF output filter capacitor |
Amplifier Architecture and Signal Path
The GE DS200FSAAG1A DS200FSAAG1ABA uses a linear Class AB amplifier topology. This design delivers clean, low-noise power to the field winding. The amplifier accepts a ±10 V DC control signal from the excitation board. It boosts this signal to 0-300 V DC for field power. The DS200FSAAG1A DS200FSAAG1ABA provides a fixed gain of 30:1. Four power transistors handle the high-voltage output stage.
Output Specifications and Load Capacity
This field supply amplifier delivers 10 amperes of continuous output current. It supplies up to 20 amperes for brief peak demands. The output voltage ranges linearly from 0 to 300 V DC. Bandwidth reaches 1 kHz for responsive field control. Rise time measures 500 microseconds from 10% to 90% output. The GE DS200FSAAG1A DS200FSAAG1ABA maintains ±0.5% linearity across the full range.
Protection Features and Thermal Management
The GE DS200FSAAG1A DS200FSAAG1ABA includes comprehensive protection circuits. Overcurrent protection shuts down the amplifier during field short circuits. Overtemperature protection activates when the heatsink exceeds 85°C. A temperature sensor monitors the power transistor junction continuously. The aluminum extruded heatsink dissipates up to 150 watts of heat. Two status LEDs indicate power presence and fault conditions.
Physical Dimensions and Installation Guidelines
The GE DS200FSAAG1A DS200FSAAG1ABA weighs 0.580 kilograms for secure mounting. Its height measures 250mm, width 120mm, and depth 30mm. Install this amplifier near the excitation control board for short signal paths. The board consumes 5 watts of control power plus output load. It operates reliably from 0°C to +50°C ambient temperature. Leave 50mm clearance around the heatsink for proper airflow.
Energy Storage and Filtering Capacitance
The DS200FSAAG1A DS200FSAAG1ABA includes a 2200 µF output filter capacitor. This capacitor smooths the DC output voltage for clean field power. It also provides energy during transient load demands. The capacitor discharges within 60 seconds after removing input power. Wait two minutes before servicing the GE DS200FSAAG1A DS200FSAAG1ABA for safety. No battery is present on this field supply amplifier.
Details
| Weight | 0.45 kg |
|---|---|
| Dimensions | 170 × 145 × 65 mm |
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