IEC？62862-3-2:20 18规定了大型抛物线槽收集器表征的要求和测试方法。本文件涵盖了抛物面槽收集器的光学和热性能的测定，以及收集器单轴跟踪系统的跟踪精度。本试验方法仅用于室外试验。本文件适用于配备制造商提供的太阳跟踪机构的抛物线槽收集器。

IEC？62862-3-2:2018 specifies the requirements and the test methods for the characterization of a large-size parabolic-trough collector. This document covers the determination of optical and thermal performance of parabolic-trough collectors, and the tracking accuracy of the collector one-axis tracking system. This test method is for outdoor testing only. This document applies to parabolic-trough collectors equipped with the manufacturer-supplied sun tracking mechanism.