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首页> 外文会议>2019 IEEE International Conference on Industrial Technology >Impacts of Linear Controllers for Power Interfaces in Damping Impedance Model Based Power Hardware-in-the-Loop
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Impacts of Linear Controllers for Power Interfaces in Damping Impedance Model Based Power Hardware-in-the-Loop

机译：基于阻尼阻抗模型的电源硬件在环中电源接口线性控制器的影响

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摘要

Power hardware-in-the-loop (PHIL) is an attractive real-time test and validation technique for large power systems. It can be used instead of full simulation or experimental systems to reduce cost and risk, and improve testing flexibility. A key challenge is achieving a power interface with as much transparency as possible via interface algorithms, power amplifiers, and measurement and control strategies. Voltage source converters (VSCs) are a suitable amplifier option for high power applications due to their relative efficiency, but they restrict the bandwidth and update speed of the power signal reproduced for the Item-under-Test (IuT). The stability and accuracy of the PHIL system are consequently affected by these additional dynamics. This paper evaluates the stability and accuracy of a Damping Impedance Model (DIM) based PHIL system where a VSC power interface is controlled by a linear voltage controller. It will be shown that the stability and accuracy can be improved with the use of a controller, when compared to the simple open loop modulation strategy often used in PHIL applications.
机译：电源硬件在环（PHIL）是一种吸引人的实时测试和验证技术，适用于大型电源系统。它可以代替完整的仿真或实验系统来使用，以降低成本和风险，并提高测试灵活性。一个关键的挑战是通过接口算法，功率放大器以及测量和控制策略来实现具有尽可能高透明度的电源接口。电压源转换器（VSC）相对效率高，因此是高功率应用的合适放大器选择，但它们限制了被测项目（IuT）再现的功率信号的带宽和更新速度。因此，PHIL系统的稳定性和准确性会受到这些附加动力的影响。本文评估了基于阻尼阻抗模型（DIM）的PHIL系统的稳定性和准确性，该系统的VSC电源接口由线性电压控制器控制。与PHIL应用中通常使用的简单开环调制策略相比，使用控制器可以提高稳定性和准确性。

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