IEEE 929-2000 pdf download IEEE Recommended Practice for Utility Interface of Photovoltaic (PV) Systems
Largesystems, greater than 500 kW, may combine various standardized features as well as customrequirements, depending on the impact of the PV system on the portion of the utility system to which it isinterconnected. A greater degree of custom engineering of the utility interface is to be expected as the size ofthe PV system grows in relation to utility system capacity.
1.2 Purpose
This recommended practice will provide value to a wide spectrum of personnel involved with utility.interconnected PV systems, including utility engineers, PV system designers and installers, and PV systemowners. The standardized interconnection recommendations included in this recommended practice wilminimize custom engineering of many aspects of the interconnection. This document is focused orproviding recommended practice for utility interconnection of PY systems in a manner that will allow thePV systems to perform as expected and be installed at a reasonable cost while not compromising safety oroperational issues
Small utility-interconnected PV systems should use standardized, listed inverters (listed to test standardssuch as UL 1741-1999, which include the testing requirements described in Annex A). The listing processassures that the inverter incorporates fixed voltage and frequency trip settings and incorporates an integralanti-islanding scheme. It is the intent of this recommended practice that small systems designed ancinstalled in accordance with this document and other applicable standards, such as the National ElectricaCode(NEC) (NFPA 70-1999), will require no additional protection equipment.
2.References
This recommended practice shall be used in conjunction with the following publications. When the follow-ing standards are superseded by an approved revision, the revision shall apply.
Accredited Standards Committee C2-1997, National Electrical Safety Code (NESCO).2
ANSI C84.1-1995,American National Standard for Electric Power Systems and Equipment-Voltage Rat-ings (60 Hertz).
IEEE Std 519-1992,IEEE Recommended Practices and Requirements for Harmonic Control in ElectricalPower Systems.
NFPA 70-1999,National Electrical Code(NEC).4
UL 1741-1999, Standard for Static Inverters and Charge Controllers for Use in Photovoltaic Power Systems..
IEEE 929-2000 pdf download
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