Description
The ComAp InteliSys GSC-C is a premium, specialized version of the InteliSys range, where the “GSC” stands for Grid Support Controller. It is a “BaseBox” unit (no display) designed primarily for complex paralleling applications that must comply with strict international Grid Codes (such as EN 50549, G99, and IEEE 1547). It is the heavy-duty choice for critical infrastructure—like data centers, hospitals, and banks—that requires not just power, but a sophisticated interface with the public utility network.
Key Features of the InteliSys GSC-C
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Grid Code Compliance: Hard-coded with the latest protections required for connecting large power plants to the utility grid (RoCoF, Vector Shift, and advanced Frequency/Voltage ride-through).
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Controller Redundancy: Specifically designed for mission-critical sites where “no-fail” is the standard; a second controller can be installed in a “hot-standby” configuration.
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Start-up Synchronization: Features unique logic that allows a massive bank of generators to synchronize and take the load in the shortest possible time, minimizing blackout duration.
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Dynamic Spinning Reserve: Optimized for hybrid sites; it calculates how many generators must stay running to cover potential drops in renewable (solar/wind) output.
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True RMS Measurement: High-precision AC measurement ensures accurate billing and load sharing even in “noisy” electrical environments with high harmonic distortion.
Comparison Table: InteliSys GSC-C vs. Newer Generations
The InteliSys GSC-C is a robust legacy unit. Its modern successor is the InteliGen 1000, which integrates these specialized grid features into a newer, more secure hardware platform.
| Feature | InteliSys GSC-C | InteliGen 4 200 | InteliGen 500 G2 | InteliGen 1000 |
| Primary Use | Grid Support / Critical | Common Paralleling | Advanced Paralleling | Flagship / Grid Ready |
| Max Gen-sets | 32 | 32 | 32 | 64 |
| Grid Code Support | Advanced / Certified | Basic | Standard | Advanced / Certified |
| Ethernet | Built-in | Optional (Plug-in) | Built-in | Dual Built-in |
| Cybersecurity | Standard (Password) | High (Encrypted) | High (Encrypted) | Highest Level |
| Redundancy | Controller Redundancy | Limited | Controller Redundancy | Hot Swap Redundancy |
| Form Factor | BaseBox (No Display) | Integrated Display | Integrated 5″ Color | BaseBox (No Display) |
Notes:
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Display Requirement: Like all BaseBox models, this unit requires an external display for manual operation. It is most commonly paired with the InteliVision 8 or InteliVision 12Touch.
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When to choose GSC-C: If your project specifications explicitly require compliance with European (EN 50549) or American (IEEE 1547) grid standards, this is the legacy controller to use.
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Hybrid Ready: While it is a “gen-set” controller, it has specialized firmware to act as a bridge in microgrids, working alongside the InteliSys NTC Hybrid.
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