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The IS200EACFG1B IS200EACFG1BAA functions as an exciter AC filter board for turbines. This printed circuit board belongs to the Mark VI Speedtronic series from General Electric. The IS200EACFG1B serves as the standard version for AC signal conditioning. Its variant, the IS200EACFG1BAA, includes a conformal coating for enhanced circuit protection. Both boards filter AC signals for steam and gas turbine excitation systems.
Core Technical Specifications
This board provides multiple AC filter circuits for voltage smoothing. You will also find overvoltage protection components on each channel. The board stores minimal energy but uses capacitors for signal filtering. Meanwhile, the backplane interface handles all power and monitoring functions.
| Parameter | Specification |
|---|---|
| Full Model No. | IS200EACFG1B IS200EACFG1BAA |
| Manufacturer | GE Industrial Systems (General Electric) |
| Series | Mark VI Speedtronic |
| Board Category | Circuit Board (Exciter AC Filter) |
| Weight | Approximately 0.34 kg |
| Dimensions (H x W x D) | 6.0 cm x 23.0 cm x 3.0 cm |
| AC Filter Channels | 3 independent AC filter channels |
| Filter Type | LC low-pass filter per channel |
| Cutoff Frequency | 150 Hz typical |
| Voltage Rating | Up to 400 VAC |
| Overvoltage Protection | Varistor and capacitor per channel |
| Attenuation | 40 dB per decade |
| Terminal Type | Screw terminal connectors |
| Backplane Interface | VME compatible |
| Energy Storage | Capacitors and inductors for filtering |
| Coating (for BAA) | Conformal coated against moisture and dust |
Installation and System Integration
Install the IS200EACFG1B IS200EACFG1BAA into any standard VME rack slot. The board connects directly to AC excitation circuits through its terminals. Meanwhile, the backplane supplies power and communication to the board. Therefore, proper insertion ensures reliable AC filtering performance.