This board manages excitation control signals for GE Mark VIe generator systems. It bridges the exciter field circuits with the main turbine controller. Consequently, it regulates generator output voltage with high precision.
Technical Specifications of GE IS200EBRGH2A IS200EBRGH2ADA
The GE IS200EBRGH2A IS200EBRGH2ADA measures 26.0 cm in length and 18.5 cm in width. Its board weight equals approximately 0.65 kg due to the power components. A single 64-pin male connector links this board to the VME backplane. Additionally, the board provides six independent bridge driver channels.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200EBRGH2A IS200EBRGH2ADA |
| Category | Exciter Interface Bridge Board |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.65 kg (1.43 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Bridge Driver Channels | 6 Independent Channels (3 Phase Pairs) |
| Output Signal Type | PWM (Pulse Width Modulated), 0-10 VDC |
| Switching Frequency | 2.5 kHz to 10 kHz (Software Configurable) |
| Maximum Output Current | 50 mA per Channel (Continuous) |
| On-Board Components | 6 Gate Driver ICs + 12 Protection Diodes + 1 Temperature Sensor |
| Energy Storage | 6 x 100 µF Electrolytic Capacitors (100V) |
| Operating Voltage | +5 VDC, +15 VDC, and -15 VDC from Backplane |
| Isolation Rating | 2500 Vrms (Control to Power Side) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
Energy Storage and Bridge Control
The GE IS200EBRGH2A IS200EBRGH2ADA stores energy using six electrolytic capacitors. Each capacitor sits directly across its respective bridge driver output. This design provides stable PWM signals even during load transients. Furthermore, a dedicated temperature sensor monitors board thermal conditions continuously.
Installation and Driver Layout
You will find six output channels arranged in three phase-matched pairs. Each channel includes status LEDs for real-time driver health monitoring. The board also features six mounting holes for secure rack attachment. Thus, it fits firmly into any standard Mark VIe exciter control slot.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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