Power Supply for EX2000 Excitation Systems
The GE DS200EXPSG1A DS200EXPSG1ACB provides regulated power for EX2000 generator excitation systems. This board converts AC input into multiple DC output voltages. It supplies control circuits, gate drives, and feedback sensors reliably.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DS200EXPSG1A DS200EXPSG1ACB |
| Category | Supply Board |
| Height | 250 mm |
| Width | 140 mm |
| Depth | 30 mm |
| Weight | 0.590 kg |
| Input Voltage | 120 V AC or 240 V AC (selectable) |
| Input Frequency | 47 to 63 Hz |
| Output Voltage 1 | +5 V DC at 5 A |
| Output Voltage 2 | +15 V DC at 2 A |
| Output Voltage 3 | -15 V DC at 1 A |
| Output Voltage 4 | +24 V DC at 2 A |
| Output Voltage 5 | +48 V DC at 0.5 A |
| Output Ripple | <30 mV peak-to-peak |
| Regulation Accuracy | ±2% over full load |
| Efficiency | 85% typical |
| Input Fuse | 3.15 A, 250 V (slow-blow) |
| Connector Type | 1 x 10-pin input, 4 x 6-pin output headers |
| Status Indicators | 5 x green LEDs (output OK) |
| Internal Components | 1 transformer, 5 rectifiers, 5 filter capacitors, 1 fuse holder, 1 heatsink |
| Energy Storage | 5600 µF total capacitance |
Power Architecture and Voltage Regulation
The GE DS200EXPSG1A DS200EXPSG1ACB accepts 120 V or 240 V AC input power. A front-panel switch selects the correct input voltage range. Five independent switching regulators generate the required outputs. The board produces +5 V, +15 V, -15 V, +24 V, and +48 V DC rails. The DS200EXPSG1A DS200EXPSG1ACB maintains ±2% regulation across all outputs. Output ripple measures below 30 millivolts peak-to-peak for clean power.
Output Specifications and Load Capacity
This supply board provides +5 V DC at 5 amperes for digital logic circuits. The +15 V DC rail delivers 2 amperes for analog and gate drive circuits. A -15 V DC output supplies 1 ampere for operational amplifiers. The +24 V DC rail provides 2 amperes for relay and I/O circuits. A +48 V DC output delivers 0.5 ampere for field supply pre-regulation. Total combined output power reaches approximately 85 watts.
Protection Features and Status Indication
The GE DS200EXPSG1A DS200EXPSG1ACB includes a 3.15 ampere slow-blow input fuse. This fuse protects against short circuits and severe overloads. Each output rail features self-resetting thermal protection. Five green status LEDs indicate the presence of each output voltage. The board shuts down individual outputs during overtemperature events. A red LED lights up when the input fuse opens.
Physical Dimensions and Installation Guidelines
The GE DS200EXPSG1A DS200EXPSG1ACB weighs 0.590 kilograms for secure mounting. Its height measures 250mm, width 140mm, and depth 30mm. Install this board in the designated power supply slot of EX2000 panels. The board consumes 100 VA from the AC input at full load. It operates reliably from 0°C to +50°C ambient temperature. Use proper ESD handling procedures during installation.
Energy Storage and Filtering Capacitance
The DS200EXPSG1A DS200EXPSG1ACB includes 5600 µF of total filter capacitance. Large capacitors on each output rail stabilize voltages during load changes. They also reduce switching noise on all outputs significantly. The capacitors discharge within 90 seconds after removing input power. Wait two minutes before servicing the GE DS200EXPSG1A DS200EXPSG1ACB for safety. No battery is present on this supply board.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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