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The IS200EACFG1A IS200EACFG1ABC functions as an exciter AC filter board for turbines. This printed circuit board belongs to the Mark VI Speedtronic series from General Electric. The IS200EACFG1A serves as the standard version for AC harmonic filtering. Its variant, the IS200EACFG1ABC, includes a conformal coating for extra circuit protection. Both boards filter AC harmonics for steam and gas turbine excitation systems.
Core Technical Specifications
This board provides multiple AC filter circuits for harmonic suppression. You will also find transient voltage suppression on each channel. The board stores minimal energy but uses capacitors for signal smoothing. Meanwhile, the backplane interface handles all power and monitoring functions.
| Parameter | Specification |
|---|---|
| Full Model No. | IS200EACFG1A IS200EACFG1ABC |
| Manufacturer | GE Industrial Systems (General Electric) |
| Series | Mark VI Speedtronic |
| Board Category | Circuit Board (Exciter AC Filter) |
| Weight | Approximately 0.35 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 | 120 Hz typical |
| Voltage Rating | Up to 400 VAC |
| Transient Suppression | MOV 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 ABC) | Conformal coated against moisture and dust |
Installation and System Integration
Install the IS200EACFG1A IS200EACFG1ABC 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.