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What solutions are there to feeding a high DC voltage rated (eg 1000VDC) certified grid tied solar inverter such as a Yaskawa Solectria PVI23-480. from an alternate DC+ bus supply.
Instead of 670 VDC input from a solar string, the project would involve a 6 pulse rectifier (possibly from a multi kilowatt VFD connected to a 480VAC synchronous gen set) which would in effect supply the DC+ requirement of the grid tied solar inverter.
Whilst extremely straight forward... how would the lack of current control into the grid tied converter be handled?
Suggestions and comments deeply appreciated.
Instead of 670 VDC input from a solar string, the project would involve a 6 pulse rectifier (possibly from a multi kilowatt VFD connected to a 480VAC synchronous gen set) which would in effect supply the DC+ requirement of the grid tied solar inverter.
Whilst extremely straight forward... how would the lack of current control into the grid tied converter be handled?
Suggestions and comments deeply appreciated.
