Photovoltaics equipment for system link

Title:

Photovoltaics equipment for system link

Document Type and Number:

Japanese Patent JP6231900

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To compactify a photovoltaic power generation facility for system interconnection.SOLUTION: A power conditioner 4, its auxiliary equipment 5, and a wiring circuit breaker 6 breaking an overcurrent flowing in the auxiliary equipment are accommodated in a case to configure a power conditioner board 3. A step-up transformer 11 stepping up an output voltage of the power conditioner 4, and an auxiliary equipment transformer 26 stepping down a secondary voltage of the step-up transformer and outputting a power supply voltage to be given to the auxiliary equipment 5 are accommodated a common tank 31 to configure a linkage transformer 30 with an auxiliary equipment power supply function. In addition, a protection relay 18 giving the circuit breaker 16 a breaking command when a fault current flows via a linkage circuit breaker 16 provided between the step-up transformer and a power distribution line 1, and a protection relay 42 giving the linkage circuit breaker 16 the breaking command when a fault current flows in a circuit including the auxiliary equipment transformer 26, are accommodated in a case 43 together with the linkage circuit breaker to configure a high-voltage linkage board 40. The circuit breaker 16 also has a function as a switch for parallelling off the auxiliary equipment transformer.

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Inventors:

Takashi Morimoto

Application Number:

JP2014027590A

Publication Date:

November 15, 2017

Filing Date:

February 17, 2014

Export Citation:

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