相关实验视频
Updated: May 12, 2025

08:20
In Situ Soil Moisture Sensors in Undisturbed Soils
Published on: November 18, 2022
5.9K
应急电源允许太阳能光伏集成与电池存储和无线接口
Aratrika Ghosh1, Don Gamage1, Abhisek Ukil1
1Electrical, Computer, and Software Engineering, The University of Auckland, Auckland, New Zealand.
Journal of the Royal Society of New Zealand
|May 8, 2025
概括
本研究介绍了一种紧急电源,将太阳能和电池存储与无线充电相结合. 该系统在所有天气条件下为电器和电动汽车提供可靠的电力.
科学领域:
- 可再生能源系统可再生能源系统
- 电力电子 电力电子 电力电子
- 无线电力传输是无线电力传输.
背景情况:
- 应急电源 (EPS) 往往缺乏灵活性和易于设置.
- 集成太阳能光伏 (PV) 和电池储能系统 (BESS) 提供了一个可持续的电力解决方案.
- 无线电源传输 (WPT) 为方便的充电应用提供了机会.
研究的目的:
- 调查一个集成太阳能光伏,BESS和无线接口的应急电源系统.
- 为家用电器和无线电动汽车 (EV) 充电提供灵活,易于设置的解决方案.
- 确保在各种天气条件下持续提供电力.
主要方法:
- 太阳能光伏,BESS和负载接口的数学建模.
- 使用感应功率传输 (IPT) 作为无线功率传输 (WPT) 方法.
- 模拟和缩小规模的实验原型开发.
主要成果:
- 证明了具有光伏和BESS集成的无线电力传输能力.
- 通过将主充电线圈与现有的无线充电对齐,实现了简单的安装.
- 尽管太阳辐射率 (20-100%) 和负载特征 (20-50%) 的变化,但维持了48V的恒定负载电压.
- 实现了大约97%的无线电力传输效率.
结论:
- 拟议的系统提供了一个强大的和可适应的紧急电源解决方案.
- 太阳能光伏,BESS和无线充电的整合提高了各种应用的电源可靠性.
- 该系统在家用电器和无线电动汽车充电方面被证明是有效的,即使在恶劣的天气中也是如此.
相关概念视频
Power System Distribution
216
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
The transmission system is designed...
216
P-N junction
404
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
404
Batteries and Fuel Cells
26.7K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
26.7K
Distribution Reliability and Automation
93
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
93
Conservation of AC Power
314
The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation
314
Electrical Power
3.0K
Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
3.0K

