Battery inspection methods for communication base stations
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]
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]
China s latest communication base station wind and solar complementary project
On December 29, 2024, with the energized operation of all equipment in the 750 kV Desert Substation, the 750 kV Dingzikou Transmission and Transformation Project, a supporting power grid project for the "Shagohuang" large-scale wind power and photovoltaic base in Northwest China's Qinghai, was completed and put into operation, adding another "green power highway" to the development and utilization of new energy and power supply in Qinghai Province. [pdf]
Strengthen the safety production of energy storage power stations
Power companies should monitor and manage the battery packs, battery management systems (BMS), energy management systems (EMS), energy storage converters (PCS), fire protection systems, network security, operating environments and other important electrical equipment of electrochemical energy storage power stations invested and operated by their companies, regularly analyze the safe operation status, strengthen early warning and emergency response of operation risks, and be able to timely warn and take effective measures to eliminate hidden dangers for equipment and systems with safety hazards. [pdf]
Huawei communication base station inverter grid-connected equipment network maintenance
This document describes the networking architecture, communication logic, and operation and maintenance (O&M) methods of the Commercial and Industrial Grid Forming ESS Solution (on-grid, SmartLogger3000), as well as the installation, cable connection, check and preparation before power-on, system power-on commissioning, power-off, and power-on operations. [pdf]
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