PCU/ Inverter Sample Clauses

PCU/ Inverter. As SPV array produce direct current electricity, it is necessary to convert this direct current into alternating current and adjust the voltage levels to match the grid voltage. Conversion shall be achieved using an electronic Inverter and the associated control and protection devices. All these components of the system are termed the “Power Conditioning Unit (PCU)”. In addition, the PCU shall also house MPPT (Maximum Power Point Tracker), an interface between Solar PV array & the Inverter, to the power conditioning unit/inverter should also be DG set interactive. If necessary. Inverter output should be compatible with the grid frequency. Typical technical features of the inverter shall be as follows: Switching devices IGBT/MOSFET Control Microprocessor /DSP Nominal AC output voltage and 415V, 3 Phase, 50 Hz frequency (In case single phase inverters are offered, suitable arrangement for balancing the phases must be made.) Output frequency 50 Hz Grid Frequency Synchronization range +/- 5 Hz Ambient temperature considered -20o C to 50o C Humidity 95 % Non-condensing Protection of Enclosure IP-20(Minimum) for indoor. IP-65(Minimum) for outdoor. Grid Frequency Tolerance range +/- 5 Hz Grid Voltage tolerance -0.20.15 No-load losses Less than 1% of rated power Inverter efficiency(minimum) >93% (In case of 10 kW or above with in-built galvanic isolation)>97% (In case of 10 KW or above without in- built galvanic isolation) Inverter efficiency (minimum) > 90% (In case of less than 10 kW) THD < 3% PF > 0.9
Sample 1
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PCU/ Inverter a) As SPV array produce direct current electricity, it is necessary to convert this direct current into alternating current and adjust the voltage levels to match the grid voltage. Conversion shall be achieved using an electronic Inverter and the associated control and protection devices. All these components of the Project are termed the “Power Conditioning Unit (PCU)”. In addition, the PCU shall also house MPPT (Maximum Power Point Tracker), an interface between Solar PV array & the Inverter, to the PCU/inverter should also be DG set interactive. The PCU should also have provision of charge controller in case of systems. If necessary. Inverter output should be compatible with the grid frequency. Typical technical features of the inverter shall be as follows: • Switching devices: IGBT/MOSFET • Control Microprocessor /DSP • Nominal AC output voltage and frequency: 415V, 3 Phase, 50 Hz (In case single phase inverters are offered, suitable arrangement for balancing the phases must be made.) • Output frequency: 50 Hz • Grid Frequency Synchronization range: + 3 Hz or more • Ambient temperature considered: -20o C to 50o C • Humidity: 95 % Non-condensing • Protection of Enclosure: IP-20(Minimum) for indoor: IP-65(Minimum) for outdoor. • Grid Frequency Tolerance range: + 3 or more • Grid Voltage tolerance: - 20% & + 15 % • Inverter efficiency(minimum): >93% (In case of 10kWp or above) • Inverter efficiency (minimum): > 90% (In case of less than 10 kWp) • THD: < 3% • PF: > 0.9
Sample 1

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