T/CAS 755-2023 The method for testing the flexibility torque of cables and wires

Scope

Main technical content: 1. Scope This document specifies the method for testing the flexibility and torque of electrical equipment cables, including testing equipment and devices, as well as testing methods. This document is applicable to single-core and multi-core cables for new energy vehicles and wind power applications that have flexibility requirements. Note: Electrical equipment cables with similar performance requirements may refer to and adopt this document. 2. Normative reference documents The content of the following documents is an integral part of this document through normative reference in the text. Among them, the referenced documents with a specified date apply only to the version corresponding to that date; the referenced documents without a specified date apply to the latest version (including all amendment sheets) of these documents. - GB/T 2900.10: Electrotechnical Terms – Cables - GB/T 15729-2008: General Technical Conditions for Hand-Operated Torque Wrenches 3. Terms and definitions The terms and definitions defined in GB/T 2900.10 apply to this document. 4. Testing equipment and devices 4.1 Testing equipment 4.1.1 Adjustable clamping device A device that allows cables to be adjusted to the corresponding clamping position to ensure test consistency. 4.1.2 Torque wrench A device that measures the torque of cables. The torque equipment used shall comply with the requirements of GB/T 15729-2008, and the error shall not exceed ±4%. 4.2 Testing device The testing device for testing the flexibility and torque of electrical equipment cables is shown in Figure 1.

Development Information

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