DESIGN OF WIRELESS COMMUNICATION BASE STATION

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]

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]

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]

What to do when base station communication equipment switches back and forth

In the wireless communication system of large venues, the signal conflict of multiple base stations will seriously affect the communication quality, and the problem of signal conflict of multiple base stations can be solved from multiple dimensions, such as frequency planning, base station layout and parameter adjustment, application of technical means, optimization management and monitoring. [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]