California Instruments Sequoia Series – Precision Programmable Regenerative Grid Simulator
The California Instruments Sequoia Series delivers high-power, fully regenerative, 4-quadrant AC test capability in a compact, SiC-based architecture. Engineered for demanding grid simulation, renewable energy testing, EV power electronics, and advanced PHIL applications, the Sequoia Series offers exceptional flexibility, fast transient response, and broad configurability for both AC and DC test environments.
Key Specifications
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Model: Sequoia Series
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Voltage: 0 – 333 VAC (options up to 1,238 V L-L)
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Current: 0 – 3,000 A/phase
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Produt Range: 500VA to 1MVA
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Type: Precision programmable regenerative grid simulator
Product Highlights
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Advanced SiC 4-quadrant architecture for high efficiency and full regenerative capability.
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Dual voltage ranges (0–166V & 0–333V L-N) supporting global grid standards and high-voltage testing.
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Fast 500 µs transient response ideal for dynamic grid disturbance simulation.
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High crest factor capability for driving nonlinear loads and inverter-based systems.
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Arbitrary waveform generation for custom test waveforms and power analysis.
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Multiple communication interfaces: RS232, USB, LAN (GPIB optional) with SCPI command support.
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User-friendly 5” color touchscreen for intuitive local control.
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Auto-parallel configurations supporting scalable systems up to 1.08 MVA.
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Optional regenerative electronic AC/DC load mode for nonlinear load simulation and energy-saving test cycles.
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Hardware-in-the-Loop compatible (EXTD) with ~100 µs delay for real-time PHIL applications.
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Virtual Panels software included for PC-based control and monitoring.
Testing & Application Areas
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Solar inverter, wind turbine, and distributed energy testing
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EV charger / V2G power electronics testing
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UPS and power conditioning equipment
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Avionics and shipboard power systems
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IEEE 1547 & regulatory grid compliance
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Manufacturing and automated test systems
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Advanced renewable energy simulation
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Motor and drive testing
Available Configurations
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Single-chassis models: 15 kVA, 22.5 kVA, 30 kVA, 45 kVA, 90 kVA
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Multi-cabinet systems: up to 1.08 MVA with Reflex reconfiguration capability
