IEC 62271-109:2019
High-voltage switchgear and controlgear - Part 109: Alternating-current series capacitor by-pass switches
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About This Item
IEC 62271-109:2019 addresses high-voltage switchgear and controlgear for alternating-current series capacitor by-pass switches, making it a relevant technical reference for organizations that evaluate switching equipment used in power system applications. For engineering teams, procurement specialists, and compliance reviewers, it helps define a common basis for technical review, documented evaluation, and conformity assessment. IEC 62271-109:2019 is especially useful where equipment selection, operational consistency, and safety considerations must be aligned with established requirements for high-voltage electrical equipment.
IEC 62271-109:2019 standard overview
The scope indicated by the title points to a focused document for alternating-current series capacitor by-pass switches within high-voltage switchgear and controlgear. It is typically used to support specification control, design validation, and verification activities for equipment intended to operate in demanding electrical networks. In practice, it can serve as a compliance reference during technical assessment, helping stakeholders review product suitability, test expectations, and documentation needs for procurement or certification workflows.
Applications of IEC 62271-109:2019
This technical document is most relevant where series capacitor compensation systems are part of transmission or high-voltage network equipment. It may be used by utilities, switchgear manufacturers, test laboratories, and EPC teams working on equipment selection, factory evaluation, or acceptance testing. The reference can also support engineering documentation and quality workflows when a project requires clear alignment between the bypass switch design, operational requirements, and the broader electrical system configuration.
Why IEC 62271-109:2019 matters
IEC 62271-109:2019 matters because by-pass switches in high-voltage applications must be evaluated with consistent technical criteria to reduce operational risk and support safe system performance. Using a defined reference helps organizations strengthen testing workflows, compare products more reliably, and prepare for regulatory preparation or conformity assessment. It also supports procurement decisions by providing a common basis for product evaluation, technical validation, and documentation review across suppliers and project stages.
- High-voltage switchgear and controlgear reference focused on AC series capacitor by-pass switches
- Supports engineering specification review and supplier comparison for power network equipment
- Useful for test planning, verification activities, and conformity assessment preparation
- Helps align safety, operational consistency, and technical compliance expectations
- Relevant to utilities, manufacturers, laboratories, and procurement workflows
- Publication Date: 2019-08-04
- Standard Status: Original
- Publisher: IEC
- Edition: 3
- This Version: IEC 62271-109:2019 (2019-08-04)
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