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EAI - Model Type SI3-I -Photovoltaics Solar Inverters
Controlled by a microprocessor, the SI3-I solar inverter enables the use of sunlight as an energy supply in stand-alone operation. It converts a DC voltage on the input side into three AC voltages that are electrically shifted by 120 ° (technical three-phase current). The DC supply can be provided by photovoltaic generators, accumulators and other DC systems.
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The SI3-I generates and monitors a three-phase system for the operation of motors and other technical devices with three-phase current. There is a complete electrical isolation between the performance potential and all measurement and information technology signals of the microprocessor unit.
As an off-grid system, the inverter does not require any additional power supply.
- Modular structure
- Technical three-phase current (3x400 V, 3x230 V)
- No auxiliary power supply required
- Island operation with or without integrated sinus filter
- Connection of three-phase motors and other electrical consumers
- Pump load with start-up functions (U / f characteristic)
- Optional: pump operation with variable frequency
- No potential separation between input and output circuit
- Isolation of the measurement and process signals
- Parameter entry via ergonomic front display
- Communication via serial interface (RS232)
- Optional: integration of additional software for control and monitoring functions (customer-specific)
- Optional: energy management