The GE IS200EPSMG1A IS200EPSMG1ADC exciter power supply module delivers regulated DC power for Mark VI excitation systems. This module converts 125V DC input into multiple low-voltage outputs. You will find this power supply in GE Mark VI exciter control cabinets. Its rugged design supports continuous field flashing and control circuits.
Power Conversion Architecture
This exciter power supply uses a switching regulator topology for high efficiency. Consequently, it generates minimal heat during normal operation. The GE IS200EPSMG1A IS200EPSMG1ADC provides three independent output voltage rails. Moreover, each output includes overcurrent protection and status monitoring. You can rely on this module for critical exciter control power.
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 125V DC ±20% |
| Output Voltages | +24V DC (5A), +5V DC (10A), +15V DC (2A) |
| Total Output Power | 150W maximum |
| Efficiency | 85% typical at full load |
| Output Ripple | <50 mV (24V), <20 mV (5V), <30 mV (15V) |
| Dimensions | 230mm x 170mm x 40mm |
| Weight | 0.95 kg (2.09 lbs) |
| PCB Layers | 6 |
| Onboard Components | 3 switching regulators, 18 capacitors, 12 diodes, 2 heatsinks |
| Connector Count | 4 (input, 3 output headers) |
| Status Indicators | 3 LEDs (24V OK, 5V OK, 15V OK) |
| Energy Storage | 8200 µF (bulk input capacitance) |
| Hold-up Time | 15 ms at full load |
| Switching Frequency | 100 kHz per regulator |
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -25°C to +70°C |
| Protection Features | Overcurrent, overvoltage, short circuit, thermal |
Output Regulation and Energy Storage
The unit holds 8200 µF of bulk capacitance on its input stage. Therefore, it maintains output stability during input voltage dips. This module replaces the IS200EPSMG1ADC version without any mounting modifications. Simply remove the old supply and install this one. GE designed this power module for single-slot installation. Hence, it fits directly into existing Mark VI rack positions.
Six PCB layers separate high-voltage input from low-voltage output traces. Four connectors handle all input and output power signals. The GE IS200EPSMG1A IS200EPSMG1ADC includes independent regulation for each output channel. Accordingly, a short on one output does not affect the others. This feature prevents cascading power failures in exciter systems.
Thermal Management and Installation
Two heatsinks provide passive cooling for the switching regulators. The module delivers 15 ms of hold-up time after input loss. The GE IS200EPSMG1A IS200EPSMG1ADC includes thermal shutdown protection at 85°C. Consequently, it prevents damage during overload or airflow blockage. Three status LEDs indicate each output’s condition clearly.
Always verify input polarity before connecting DC power. The module includes reverse polarity protection on the input. The GE IS200EPSMG1A IS200EPSMG1ADC works with all GE Mark VI excitation systems. Proper airflow around the heatsinks guarantees full rated output power. This module operates reliably in non-condensing environments only.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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