China is co-publishing 460K of off-grid power to achieve PV voltage.

News from IT House 6 June, 4 June, at the SNEC Shanghai Exhibition, China Electric (Changdu) New Energy Co. and China Digital Energy Technologies Ltd. jointly released the results of 460K offline electricity. The result is based on the 2.6 million kilowatt-ray power project at the Upper Clean Energy Base of the Jinsha River, where both sides have successfully explored new solutions for “photo-voltage voltage” in the absence of external power supply.

According to the information, the PV power station of the New Energy Company (Changdu) is located in Mankang County, Tibet, at altitudes of 4,200 to 4,800 metres, and is now fully under construction. Currently, in-situ equipment, communications, etc., are being debugged during the commissioning of the same type of PV station in the country, usually by means of electricity, such as diesel generators or off-market power. However, there are problems of out-of-market electricity failure, high investment and high costs of electricity use; and the need to debug the power supply for wood distribution: high safety risks, long transit times, low commissioning efficiency, high environmental pollution and high fuel costs.

The U-China Power (Changdu) New Energy Corporation, with its 460K network-based photovoltaic retroverter, has achieved multi-engineered and connected operation without synchronizing. On-site empirical evidence indicates that the application of self-stable + steady-synchronous control technology allows for the achievement of a modular, steady-state base-wave power-equilibrium, as well as the effective suppression of HF circulation and the implementation of multi-band synchronous black start-up.

This joint test was successfully completed without external power supply. As an off-grid power source, the VSG sub-form supports single-formula multi-collector circuits + multi-box transformation and the black-on-load of all stations at 10 seconds to complete multi-machine-synchronous black-starting; supports the collection line, the parent-line impact breaker; and increases the overall debugging efficiency of the PV site to 2 to 3 times the traditional method.

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