THE CONCEPT OF URBAN RAILWAY SURPLUS POWER SYSTEM UTILIZATION

Secondary utilization of power battery energy storage

It introduces secondary utilization modes of retired power battery, summarizes status and trend of scrapping and secondary utilization of power batteries in different cathode materials, points out the challenges and opportunities, analyzes the hidden dangers of power lithium ion batteries in production and vehicle-usage as well as the safety requirements and risks of the secondary utilization of the retired-power batteries in four different application scenarios. [pdf]

Solar power supply equipment for communication base stations

Communication equipment usually uses -48V DC power supply, and the electricity generated by photovoltaic power generation systems is also DC power, so the photovoltaic power generation system is combined with the communication base station, and the electricity generated by the photovoltaic system is used to directly power the communication equipment, reduce the consumption of city electricity, and achieve the effect of energy conservation and emission reduction. [pdf]

Grid energy storage power station safety

Challenges for any large energy storage system installation, use and maintenance include training in the area of battery fire safety which includes the need to understand basic battery chemistry, safety limits, maintenance, off-nominal behavior, fire and smoke characteristics, fire fighting techniques, stranded energy, de-energizing batteries for safety, and safely disposing battery after its life or after an incident. [pdf]

Containerized outdoor power supply

Each containerized power supply design can be customized include various options in addition to the power supply components: Typically these include an isolated high voltage deck, auxiliary systems, user interface and control system, and even office space for users, all within a climate conditioned environment to ensure safe and reliable operation regardless of the weather conditions outside. [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]