Photovoltaic Inverters Sample Clauses

Photovoltaic Inverters the Omron solar inverters of the type set out in Annex 2 (Eligible Solar Inverters).
Sample 1
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Photovoltaic Inverters. In addition to the above, inverters proposed by Contractor must comply with at least, but not limited to the following: Inverters shall be suitable for grid interconnection and shall be compliant with all Utility interconnection requirements. Inverters shall comply with the State of California Energy Commission’s Solar Equipment Lists, listed at: xxxxx://xxx.xxxxxx.xx.xxx/programs-and-topics/topics/renewable-energy/solar-equipment-lists. IEEE 929-2000 – “Recommended Practice for Utility Interface of Photovoltaic Systems”. Inverters must automatically reset and resume normal operation after a power limiting operation. The inverter shall be capable of continuous operation into a system with voltage variation of plus or minus 10% of nominal. The inverter shall operate in an ambient temperature range of -20°C to +50°C. Inverters shall include all necessary self-protective features and self-diagnostic features to protect the inverter from damage (in the event of component failure or from parameters beyond normal operating range due to internal or external causes). The self-protective features shall not allow the inverters to be operated in a manner which may be unsafe or damaging. Inverters shall be true sine wave high frequency Pulse Width Modulation (PWM) with galvanic isolation. Inverters shall be sized to provide maximum power point tracking for voltage and current range expected from PV array for temperatures and solar insolation conditions expected for Project conditions. Inverters shall be capable of adjusting to "sun splash" from all possible combinations of cloud fringe effects without interruption of electrical production. Isolation transformers shall be provided. Inverters shall be UL 1741 and IEEE 1547 compliant. Inverters shall have a THD < 5%. Enclosures shall be rated National Electrical Manufacturers Association (NEMA) 3R when the inverter is located outdoors. For outdoor installations in corrosive environments, NEMA 4X series 300 stainless steel enclosures must be used. Power factor shall be 0.99 or higher. Inverter selection shall consider anticipated noise levels produced and minimize interference with City activities. Inverters shall have a minimum efficiency, based on the device’s power rating, meeting the following specifications: Inverter Efficiency Requirements Inverter Power Rating Range Minimum Efficiency 1000+ kW 96% 500-999 kW 97% 250-499 kW 96.8% 100-249 kW 95.8% 50-99 kW 94.5% 0-49 kW 93.5%
Sample 1

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