ENERGY STORAGE OF COMMUNICATION BASE STATION

Patented design of wind-solar hybrid energy storage for communication base stations

The invention relates to a wind and solar hybrid generation system for a communication base station based on dual direct-current bus control, comprising photovoltaic arrays, a wind-power generator, storage battery sets, unloading devices, an intelligent controller, a charging side direct-current bus, a discharging side direct-current bus, a storage battery set switching circuit, a photovoltaic array switching circuit, an unloading device switching circuit, an overload protecting circuit, a load distributing circuit, an AC / DC converter and a DC / AC inverter. [pdf]

Battery current measurement method for communication base station

Aiming at the voltage and current measurement for battery banks in mobile communication base station, according to voltage characteristics of wide common-mode range, three methods including sampling with resistors, converting with analog optical coupler and differential subtractor based on amplifier are presented.For bi-directional current characteristic, both single and double amplifier methods are discussed respectively.Also, all the methods mentioned above are analyzed. [pdf]

Wellington Home Off-Grid Energy Storage Power Station

AMPYR Australia Pty Ltd (AMPYR) and Shell Energy Operations Pty Ltd (Shell) propose to develop and operate the Wellington Battery Energy Storage System (the project), located approximately 2.2 km north-east of the township of Wellington in the Dubbo Regional Council local government area (LGA) and within the New South Wales (NSW) Government declared Central-West Orana Renewable Energy Zone (CWO REZ). [pdf]

The signal types for the communication base station inverter to be connected to the grid are

Micro inverters can be connected to the wireless router through the built-in Wi-Fi module, string inverters and energy storage inverters can be connected to the wireless router through the external Wi-Fi data collector, the Wi-Fi module or data collector will transmit the data of the inverter operation to the server, and can also be connected to the Wi-Fi of the inverter through the mobile phone or computer. [pdf]

Global communication base station inverter grid connection situation

This research focuses on the discussion of PV grid-connected inverters under the complex distribution network environment, introduces in detail the domestic and international standards and requirements on grid-connected inverter grid adaptability, and then analyzes in depth the impacts of the access point voltage changes, access point frequency changes, and access point harmonic changes on the inverters.Can grid-connected PV inverters improve utility grid stability? [pdf]